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  1. random spacehsip question
  2. Coulombs
  3. Temperature related to yield or type of explosion? Nuclear vs conventional.
  4. Displacement Current
  5. Road trip... Which option is the best roll-on?
  6. A few little questions about force
  7. origin of Planck's constants
  8. Measuring the Expansion Velocity of the Universe
  9. Force to RPM
  10. How do 'Plasma Windows' create vaccums?
  11. Passive night vision scopes?
  12. Linear dispersion
  13. How to calculate the required force necessary for orbit
  14. Elastics
  15. What is the highest power in physics equations?
  16. A question about redshift
  17. E=mc2 focusing on c2
  18. dropping bar magnet through loop of wire
  19. Questions about voltage
  20. Moving to a lower state
  21. Please help with labeling simple motor diagram??
  22. From Celsius to Kelvin - why +273?
  23. Is frictional force really a force?
  24. Doppler effect
  25. Thermal equilibrium in stars
  26. A paper I heard about last year about gravity.
  27. Delta-Correlated Gaussian Noise
  28. Adhesive
  29. friction
  30. light/wave travel/propogation
  31. reversed water sprinkler
  32. Packing fractions
  33. Force on current carrying conductor
  34. Comment: "When a metal is heated, there is current (ie flow of e) flowing too"
  35. A few electricity questions.
  36. work
  37. Ammeter
  38. Radio in my car bad due to antenna
  39. Lightning Rod attached to railing of my balcony
  40. Circuit Related Questions
  41. Is this wall strong enough?
  42. Expanding universe
  43. Front velocity
  44. In search for a holistic perspective on the physical reality
  45. Cauchy-Lorentz distribution limit
  46. CFM converted to m/s wind speed
  47. Question on how to calculate bouancy force
  48. Forces Question (Object on Ramp)
  49. Momentum transfer dependent on distance?
  50. Precision of physics formulas
  51. To measure the capacitance of interdigitated metal electrode
  52. Scientific Research in a Gas Balloon
  53. Extrapolating pos., vel. given initial pos., vel. and constant acc.
  54. Synchrotron radiation collimation
  55. about Work and displacement
  56. Interesting article about water
  57. Not sure if this belongs here, but if someone would be kind enough...
  58. Why should buoyancy occur?
  59. Optics Question
  60. Dispersion of light in prism
  61. diffraction of light
  62. Force of gravity...
  63. (optics) Vision abnormality
  64. How much light can be captured and stored in a fixed volume?
  65. UV and irradiance
  66. Computing Hr and Hz from Magnetic potential
  67. Candle Generator??
  68. laminar and turbulent flow
  69. Steam driven brushless DC generator - would this idea work?
  70. drag coefficient
  71. General question about floating/sinking objects
  72. Sound Physics: Generating Tones
  73. Black holes and conversation of energy
  74. Reducing cable capacitance
  75. Energy in an Electric Field
  76. Laser Beam Expansion
  77. Looking for specific magnetic material under pressure
  78. Wider tire giving better traction debate!
  79. Computer Flight Model
  80. Modelling universe.
  81. Light OR Sound!!!
  82. Cloud from jet engines
  83. Rotational energy
  84. Light gas molecules vs heavy
  85. How to understand the image of lens at infinity
  86. finding an equation to represent a jerk
  87. Alternating Current
  88. Proofreader
  89. How would you use a magnet to test whether or not a piece of metal was magnetic?
  90. Why do some objects reflect more light than others?
  91. moving electrons: magnetic and electric fields
  92. Vortex Formation
  93. The Physics of F1?
  94. Urgent!!!Isothermal process
  95. How exactly do cathode ray tubes work?
  96. Concentration of photons in a beam of light
  97. Glare Question
  98. A cup that moves by itself.
  99. HELP!!!Capacitors in circuit
  100. Build your own cloud chamber
  101. MHD energy equation
  102. Types of waves through space
  103. Is space warped, or is matter expanding?
  104. Question about black holes
  105. Help!!!photoelectric effect
  106. How to measure electric field in electrospinning apparatus
  107. E field propagation
  108. electricity and magnetism field lines
  109. hyperbolic curve
  110. light globe
  111. Dampening Magnetic Strength
  112. Spectral analysis
  113. Transparnence
  114. human gravity
  115. Why does hot air really go up?
  116. calculating the drop of a fleeing deer
  117. Spring constant problem :/
  118. Centripetal/centrifugal force
  119. Dry Ice.
  120. light/radio waves radiate in all direction
  121. spectrum of the light
  122. lightwave oven machine
  123. Optical illusion?
  124. Why do electric rockets need to be in a vaccum?
  125. Neodymium Magnet Polarization
  126. Water and Flux
  127. Help with my large mirror and camera.
  128. Check my understanding of electrical energy please.
  129. massless photon...infinite speed???
  130. Van der Waals equation of state and Maxwell construction
  131. Shock waves
  132. "Half-silvered mirrors" and transmission and reflection
  133. unit step function
  134. Fermi level as a function of temperature
  135. Fanless convection heater versus oil filled heater
  136. fractal geometry and physics
  137. Scientific notation
  138. Modeling a lense using the intersection of two spheres
  139. A question on gravity
  140. Can you break the sound barrier under water?
  141. bouyancy
  142. Circular Motion
  143. Research for a book - Would it float question
  144. Circular Motion, artificial gravity
  145. Hydraulics in Office Chairs
  146. Would super-conducting of space itself create electromagnet fields?
  147. How to: compute Watts and Calories for for a bicycle, up a hill
  148. time travel
  149. Magnetic Monopole?
  150. Mobile phone signal
  151. Work and impulse
  152. Magnetic "Push" and "Pull"
  153. Does anybody know who first derived this equation?
  154. thing of nothing
  155. The 'why' of electromagnetic induction
  156. color--eye
  157. can you calculate water velocity from m=f/A
  158. What are the fundamental information-processes in physics?
  159. The power of Ice
  160. Circular wave
  161. View from space
  162. Real/Virtual Images
  163. changing magnetic field
  164. Formula Manipulation
  165. Motion & Relative Dynamics Question
  166. steradian
  167. Guass Simple Explanation
  168. Ok where does the energy come from?
  169. Newton's third law of motion - help me to explain it to someone
  170. What causes magnetism?
  171. Momentum/Kinetic Energy "Stacking"
  172. Magnetic repulsion Hover Boards...
  173. How does a battery charger work?
  174. Why gravity?
  175. A question of the Intercompatibility of the Gas Laws.
  176. Ink fading in Sunlight
  177. can anyone explain kers in formula one cars?
  178. Fundamentals of Physics- Gold Standard in another language?
  179. filter
  180. Moment of Inertia of half disk
  181. Resistance of a trapezoidal geometry
  182. A question
  183. How is boiling different from evaporation?
  184. Iron vs. Opposite Polarity
  185. Methane gas deflagration temperatures
  186. physics review site??
  187. HELP: How would you measure the force of an expolsion?
  188. how to plot Bragg curve?
  189. Electromagnetic Induction
  190. Force of impact, in newtons
  191. Electric and Magnetic fields of light
  192. Buoyancy rate of rise
  193. Muon magnetic field question
  194. A way to gain a formula
  195. principle of homogeneity
  196. Rutherford's gold foil experiment
  197. Quick question about a train/car problem
  198. Magnetism - Work and Energy
  199. Is there a type of liquid that is less dense than a type of gas?
  200. What range of frequencies can be generated by blood flow
  201. how to get high voltage but NO amps
  202. Real gas vs ideal gas
  203. Is Force instantaneous?
  204. Worst Conductor Metal
  205. What air pressure can the human body survive?
  206. Properties of a vacuum
  207. Thin, light, cheap and strong as wood material?
  208. Ideal gas assumptions
  209. Velocity down an inclined plane
  210. a doubt on self inductance and mutual inductance
  211. Spacetime fabirc and Earth
  212. Total work done in pumping a layer water through a bottleneck
  213. Sound and Heat -- Whats the difference
  214. Movement
  215. hadron collider questions
  216. Mass of a person
  217. Beat frequency from >2 waves?
  218. gyroscopic propulsion
  219. "anti-gravity globe" question
  220. Differential equation of spring-mass system attached to one end of seesaw
  221. Demagnetization of repelling poles
  222. Help finding topic for Independent Research
  223. What is the role of the electric field in a battery?
  224. Gas compression and Interaction with Fluids
  225. I need help trying to find mass with these varbiales.
  226. Single molecule, one million times smaller than a grain of sand, pictured for first t
  227. How to make a Velocity Time Graph For Data?
  228. Scalar and Vector Quantities
  229. i want to show my students how to block the signal coming from a wireless router.
  230. Noisy vacuum cleaners
  231. long solenoid with ac
  232. Charge on Alpha particle?
  233. Power of Non-Periodic Signal
  234. Curious about Some units
  235. The unit of Flux density.
  236. Kirth, Kerth, Kurth (SP?!) Phase?
  237. Simultaneity, Special Relativity, and Quantum Mechanics
  238. What gravity?
  239. Whats causes flanging/phaser effect in real life?
  240. Coordinate transformation under rotation
  241. locate crashed aircraft
  242. Sound barrier
  243. Inertial frames
  244. What is BP Invigorate and What Makes It Different?
  245. Punching holes in trees
  246. Calculate Pressure of Air in a Cylinder
  247. quantities describing time-dependent phenomena measurable initially?
  248. Skipping a Stone across Water
  249. Hot air in a closed container
  250. black vs white vs red with relation to UV rays
  251. Just getting started
  252. Do black holes repel the weak force?
  253. Phase Transitions
  254. Speed of sound
  255. Light, and from whence it cometh.
  256. If a comet kicks the moon out of its orbit and away from earth...
  257. How would i go about doing this.
  258. Thermocouple voltage compensator
  259. light changes frequency depending on...
  260. electromagnetic standing waves measurement
  261. Calculating torque/hp losses from wheel choices
  262. the magnetic field of a solenoid
  263. How was Coulomb's law figured out?
  264. What makes a magnet, a magnet?
  265. Why an antenna cannot receive analogue baseband signal of 0-4000Hz?
  266. Thought Experiment
  267. Can my cup hold more tea on the moon?
  268. star ?
  269. Vector addition using graphical method
  270. Is Time finite or infinite?
  271. Kenitic vs. Static friction
  272. opposing but equal forces
  273. Why does a high optical carrier feq. provide higher transmission rate?
  274. Extended essay about PEM fuel cells
  275. Which definition is more clear?
  276. Can you relate sound frequency's to light frequency's?
  277. Do ruby quartz emeralds diamonds and other gems have their own general frequency?
  278. Is gravity affected by mass on the earth?
  279. Magneitic fields can do no work
  280. wavelength -> antenna, waveguides, mirrors ets
  281. Probably the WEIRDEST Sci-fi related question ever posted!
  282. Synchronizing Sound to a Physical Motion
  283. Laser question
  284. light absorption in solar cell.
  285. reverse microwave
  286. the science of flying molten tungsten
  287. Projector with the greatest projection angle
  288. Lighting effect
  289. Pro Writer Needs Help To Develop Paper
  290. Concept of torque
  291. Who invented the iconoscope?
  292. buoancy air ballons
  293. Metal for capacitor
  294. Why do Balloons filled with Air not fall at 9.6m/s/s?
  295. Light rays in concave lens,moon and eclipses?
  296. What exactly is interaction?
  297. why do surfaces get darker when they are wet?
  298. beam divergence after a slit
  299. Length of extension pf spring
  300. why exp?
  301. speed
  302. Jumping out of a moving bus (quick question)
  303. Reflection and Total Internal Reflection
  304. The turning effect, what is actually physically happening that causes it?
  305. Questions about lights contradicting properties
  306. EMF around single charge
  307. Fluid in a rolling can?
  308. Quartz crystal microbalance
  309. Electromagnetic force and resistance to displacement of atoms.
  310. Force due to Eddy Currents
  311. normalization of debye
  312. Metal ball and ring
  313. Equation for a falling leaf
  314. How does a fuel engine work?
  315. Potential Energy Regarding Magnets
  316. Help needed force on objects
  317. Acceleration has nothing to do with mass, but...
  318. Photoelectric Effects?
  319. Why doesn't an object fall through the ground when it hits it?
  320. sychrotron radiation
  321. Independant learning inbetween college and work
  322. The difference between Burning and Exploding
  323. Calculating magnet strength?
  324. Penny Launcher!
  325. I cant believe im asking this...
  326. why do coffee grounds fly out of the grinder?
  327. wondering how to wire led series
  328. Aeroplane and clouds
  329. Pilot in a plane
  330. Pilot in a plane
  331. Pulley system
  332. Question about gravity
  333. Ball and chain- (kidding, no chain)
  334. Is this really plasma?
  335. Measuring the intensity of light
  336. Tooling the Standard Model
  337. Difference between Resistance and resistivity
  338. Young`s Modulus
  339. Optical Coherence Tomography
  340. Compton Edge and Gamma Spectroscopy
  341. why can't light go thru solids?
  342. What is the fourth variable in the 4th dimension?
  343. specific gravity
  344. Coffee grains are hard to clean up
  345. Absorption line spectra and emission line spectra
  346. Giant Straw Question
  347. Is there a name for this equation?
  348. Is time reversible in Quantum Math?
  349. Fluid viscosity in a can and tendency to roll
  350. Can math truly describe our universe and it's phsical being?
  351. Is law of universal gravitation really correct?
  352. Moon's path/orbit - is it changing?
  353. how temperature effects bulk modulus?
  354. Explanation of Angular Speed Change
  355. Dispersion/Refraction, but WHY?
  356. Acceleration down a frictionless ramp- what does a[SUB]y[/SUB] represen in this case?
  357. Intersize Particle Interaction
  358. Is or can gravitational force become cumulative?
  359. Can magnetic flux be surpressed or added to?
  360. Time
  361. Endothermic Paint
  362. Insulating sphere
  363. Comparing critical temperature to mechanical onset of turbulence
  364. kinetic friction vs static friction?
  365. How much Energy exacltly is an MeV?
  366. Opitmizing out of balance load
  367. Gravitational force
  368. Start of life
  369. Resistance and heat
  370. Associated Legendre Fct
  371. Is there direct evidence photons attract gravitationally?
  372. Wave eq., two real fields with interaction, wave speed.
  373. Compton vs. Raman vs. Thomson Scattering
  374. Conservation of Momentum for Inelastic Collisions
  375. Conceptual question about torque
  376. Some Mechanics Questions
  377. hydraulic to electricity
  378. Knotted Falling Chain Problem
  379. Photon gravity field
  380. perpetual magnetic generator
  381. How to change the polarization of the light
  382. Sailboat forces and Newton's 3rd law
  383. Converting noise into electrical energy
  384. Angular momentum in planetary/satellite orbital systems...
  385. photon
  386. water, paper towel and energy
  387. Kinematics..
  388. Can the magnitude of vector be negative?
  389. Magnetism observed in a gas for the first time
  390. Projectile motion: Bi level equation
  391. Absorbance of UV light by glass
  392. How to calculate the dynamic range of a photo-detector
  393. How To Propogate Uncertainties (Angle of Incidence and Angle of Reflection)
  394. Iron State with Temperature and Pressure
  395. Coma aberration
  396. physics/chem question
  397. What is this equation
  398. Absorbtion and Reflection of Objects, question
  399. Light and heat?
  400. Is v=f lamda true in every circumstance?
  401. Ball incoming perpendicular to wall and bouncing w/o change in direction
  402. electron and photon wave
  403. Force of ball against wall.
  404. Explaining Voltage/Current/Resistance to non-physicists
  405. general friction formula's
  406. pumping electrons without magnetics?
  407. Kirchhoff's Law and current Sources?
  408. An Explosion in a Vacuum
  409. The hyperbolic tangent function and physics
  410. Physics Faq clarifiaction - light duality
  411. Transparency of water, glass and plastic materials
  412. temperature range in a body of liquid
  413. Can a single particle be in "equilibrium"?
  414. how to get water in air tight container w/ other specifics
  415. I had an idea
  416. Meters negative cubed?
  417. Force on a magnet in magnetic field...
  418. Solenoid forces...
  419. How well does aluminum foil block radiation?
  420. how to find radius if I know angle and velocity
  421. Speed of light in a moving medium
  422. Why are Grain Dust explosive?
  423. Particle beams in space rockets
  424. Which part of the light wave do we take? (quick question)
  425. How Efficient is an old-style coal-fired steam boiler?
  426. Planet X
  427. Another idea
  428. Xray - what physics discipline?
  429. How does an electric field create a magnetic field and relativity
  430. Are 4d enteties 3 dimensional time travelers ?
  431. 3D model of an EM wave
  432. Planes affected by earth's rotational spin
  433. Is building a particle accelerator legal ?
  434. How to Find the Phase Difference in Degrees
  435. Inductance in Kirchoff's voltage law
  436. Laws of Conservation of Energy
  437. Momentum and Collision
  438. Car Speed Using 3axis Accelerometer
  439. Multiple Flywheel System
  440. "The Fabric of Space"
  441. Weight
  442. Gravitational force: action and reaction
  443. Laplace's equation
  444. Stark Effect
  445. Traveling with the Earth
  446. action and reaction
  447. BEAR,SABLE, and building a better balloon.
  448. How to calculate force of a fall w/increased gravity
  449. LED Light problem... blown!
  450. Trying to find some rheostatic fluids
  451. Acceleration of gravity in space.
  452. Regarding heat property of electromagnetic waves
  453. help with significant digits
  454. If all the empty space of atoms were removed, how big would this earth be?
  455. Question On Photons and Mass
  456. Is the aurora (as in "borealis") caused by Cherenkov radiation...
  457. Is the component of a vector still a vector?
  458. Entropy and Energy in Higher Dimensions
  459. General Question Kinematics Units
  460. Why do bodies have inertia?
  461. Young's Modulus for Plastic URGENT
  462. The distance from the Earth at a given time t for a body moving toward the Earth.
  463. what is the meaning of the sum of tan A and rad A?
  464. photocatalyst gas pressure
  465. Info about sound waves?
  466. What is the difference between emissivity and reflectivity?
  467. Help with Dimensions
  468. How do you know the vector potential inside a solenoid only depends on r?
  469. Total energy of air, does it include pressure?
  470. does a machine like this violate laws of thermodynamics?
  471. Urgent help with physics incline problem!!!
  472. Line of charge as a volume charge dist. (w/ Dirac delta fcn.)
  473. conductivity of liquid iron
  474. North pole and south pole of a magnet.
  475. velocity, speed, acceleration and...?
  476. Mechanism of reflection at the atomic scale
  477. size and distance of different wavelengh photons?
  478. Kinetic and Potential energy
  479. Gavity sorting?
  480. Field lines of a ring of magnets?
  481. Calculating moment of inertia of a filled cylinder
  482. high-index vs. regular lens.
  483. Two oppositely charged infinite conducting plates...
  484. Expert Help: Does this physics simulation appear realistic to you?
  485. What comprises the mass of the earth?
  486. A room with a stronger gravitational force?
  487. Greenhouse effect (reflection vs transmission)
  488. Power in solenoids
  489. Gravitational interaction
  490. g at Centre of Earth
  491. A mini project regarding soundwaves?
  492. Why is there a shine around the moon at night?
  493. A relative to B
  494. Some confusion between radiation and conduction
  495. Does energy really exist?
  496. Is pressure a force?
  497. Air Compression vs Water Depth
  498. How and why does everything in life reach equilibrium?
  499. appuratus needed
  500. In what medium do light, energy, and matter exist?
  501. Question about the Bohr Model
  502. torque about a line
  503. Experimental Values vs. Theoretical Values
  504. elevator straw
  505. Glass Lens affects Magnetic Fields?
  506. need urgent information
  507. Effecieny of a pedulum
  508. potential
  509. Mercury intrusion porosimetry equipment
  510. Temperature of Compressed Air
  511. Stopping the Earth Rotation
  512. Why does the temperature goes up following rainfall (then gradually cools down)?
  513. unconstant acceleration
  514. Force Tables and Vectors
  515. Uncertainty in Measurement (Question)
  516. Newton's third law and air resitance?
  517. How is voltage by itself important?
  518. Law of universal gravitation - why DON'T heavy objects fall faster in a vacume
  519. Friction Force question
  520. Tripling fundemental frequency
  521. If Kinetic friction is a constant can I accelerate forever?
  522. How Many Significant Figures?
  523. Maximum surface area in nature, man made and mathematical
  524. Brownian motion
  525. Effect of Resistance on Current
  526. Some quesitons about Sun and Earh
  527. Equation for drag force
  528. one-dimensional locomotion
  529. Air Expansion: Questions
  530. Q about phyiscs of Liposuction (and Sonolumensence)
  531. Magnetic and Electric flux
  532. Newton's law
  533. Dipole moment of water
  534. Rocket thrust
  535. Relation between magnus effect, speed and acceleration
  536. Gravity and Atraction.
  537. Faster than light Information...Possible?
  538. Heat experiment callibration
  539. Is my calculation correct?
  540. “mirage” is refraction phenomenon or total internal reflection phenomenon?
  541. What are the biggest problems of "push" / kinetic gravity theory?
  542. embedding dimension
  543. Light in a perfect reflective box
  544. Need help manipulating Van der Walls Force
  545. Is conservation laws are more fundamental than newton's second law?
  546. Single slit interference fringes
  547. Hamiltonian Systems and Liouville Integrability
  548. Preception of time on a Clock.
  549. Electric Field Question
  550. magnetic forces
  551. How are these earphones receiving power?
  552. This may be a stupid question
  553. complex natural systems... missing
  554. Accelerometer data to a useful velocity vector
  555. Nobel prize in physics announced
  556. great circle path
  557. Pressure Profile at End of Long Tube
  558. Pressure in liquid
  559. Pressure Tube Response Time
  560. net force?
  561. physics of submarines work
  562. atomic time
  563. electron repulsion per unit volume
  564. Velocity of a falling object after 1 meters
  565. Derivation of formula using dimensions
  566. Doubt !
  567. equation question
  568. books about emptiness
  569. Cryogen-cooled x-ray tube anode
  570. Work on a magnet's circular orbit and Magnetic Flow
  571. Air flow caused by fans (game simulation)
  572. What is osmotic pressure?
  573. Finding Acceleration Experimentally
  574. help..! (required force to move a sliding door weighing 100 kg with two rollers)
  575. Do gasses have viscosity?
  576. Weight/mass discrepancy: Semantics? I say NO!
  577. multidimensional time series embedding
  578. The average and variance of distributions (thermodynamics)
  579. location of medical fusion imaging papers
  580. Direction of Motion of Electrons
  581. Light
  582. Space elevator
  583. Why are atoms in constant motion?
  584. Horsepower based on distance and speed
  585. Red shift / Blue shift
  586. bernoulli's Principle
  587. Hello all, new member with a strange question..
  588. tying knots in rope(s) - tension, weakened strength
  589. What equation help ?
  590. how to connect a wireless moderm(internet) to cabled network
  591. hi all im new here a few questions
  592. Weird words. Someone please clarify.
  593. Uses of very large magnetic fields
  594. AP Physics B thermodynamics
  595. simple way to measure thermal conductivity
  596. acceleration of a legged animal (ie, humans)
  597. Ways to send signals
  598. using e=mc^2 to calculate electrical properties
  599. Containing plasma with a magnetic field
  600. Quick Plasma Question
  601. EM fields..
  602. Atomic force microscopy
  603. Newton's Laws
  604. Energy savings lamp produce heat... so what?
  605. Electron collision
  606. high altitude balloon acceleration
  607. Lorentz transformation matrices...are they necessarily symmetric?
  608. What is the current best estimate for LHC online
  609. What is the difference between voltage drop and wattage?
  610. momentum conservation in collisions
  611. What exactly is a "g"?
  612. Heat Conduction and Turkey
  613. Question about charge by induction
  614. Buoyancy in particle-based viscoelastic fluid simulation
  615. Rotation angle from angular rate
  616. How do you find the diameter of certain atoms?
  617. Range of the gravitational field
  618. urgent help
  619. Forces on a sailboat
  620. Stoboscopic effect and why!!!!!!!!!!!!
  621. Derivative of Stochastic Function
  622. What's the point of a histogram of baseline measurments?
  623. Flow through a glaucoma tube
  624. help with elastic collision algorithm (need unit vector and velocity)
  625. Imaging horizontally through the atmosphere
  626. wind and f=ma
  627. atwood's machine and buoyancy force
  628. does binding energy mean energy has a mass?
  629. Drag constant, flow regimes, CFD
  630. centripetal and centrifugal force
  631. Inertial frame of Reference?
  632. Electromagnetic energy wave (photon) questions
  633. Forces of attraction inside atom
  634. What color is the sky on extra-solar planet?
  635. Uber High Frequency
  636. Finding the center of gravity & mass by torque?
  637. Why exactly can energy not be gained from magnets?
  638. can salty sea water create heat in a simple reaction ?
  639. Additional Force Required for Inclined Planes
  640. At what height body body escapes gravitational fields
  641. Bologna Bottle
  642. Rainbow
  643. Fun idea, the falling ball
  644. Assistance Needed For Rearranging Equations
  645. Mylar Balloon Scare Today
  646. orifice sizing help
  647. Another Balloon Question from Today
  648. Please clarify - Spacetime
  649. time & measurement
  650. optics interference basic
  651. Simple LED problem.
  652. What, who is doing the work?
  653. Vacuums and Buoyancy
  654. General Energy ? - prob easy to answer
  655. airy disk patterns
  656. Power spectral density?
  657. Electromagnetic "Black hole" phenomena
  658. Light passing through the normal of a surface
  659. 2. law of thermodynamics wrong afterall?
  660. Dating
  661. Flowing Electrical energy.
  662. WHY do objects interact?
  663. Is Angular Velocity and Rotational Kinetic Energy Frame Independent
  664. Entropy increase in dissipative systems
  665. will a car on ice have its maximum speed reduced?
  666. Will EM wave be emitted from simple circuit?
  667. Calculating the Electric Field Between 2 Parallel Conductors
  668. Calculating tension between two knots.
  669. Does every object have capacitance?
  670. worb done by variable force
  671. Electrostatics questions
  672. Questions on the following...
  673. U-shaped tube different diameters. What level will water assume?
  674. Amount of light needed to capture images
  675. Spacetime and gravity: question about how they work together
  676. Floating stacked books
  677. Magnetize a steel wire by rubbing against your head. (BS or ~BS)
  678. coefficients
  679. Transferral of orbital energy
  680. change in flow / velocity direction and the Reynolds number
  681. Artificial Black Hole and entropia
  682. Energy Levels eq'n
  683. Nuclear Energy
  684. Where is energy traced back to?
  685. Help me please to use my infrared heater the most effectively
  686. Sound Waves and Voice Recognition
  687. lens design
  688. Resistance
  689. conflicting definitions of temperature?
  690. CMOS coupling to data processor for experiment
  691. Projectile Launcher Ideas???
  692. Radiating Heat
  693. speed of light does not exist
  694. Basic question concerning mirrors
  695. Any particle,(with mass), get closer to "C" than the electron?
  696. A coaster heater with nichrome wire <-- circuit and components advice
  697. Mr Usain Bolt 200m
  698. How does my energy saving meter work?
  699. Dark Surfaces and Global Warming
  700. Linear / Circular
  701. Electrons spining
  702. projectile motion or stokes law
  703. hi
  704. Can someone explain the Earth's magnetic field to me?
  705. Are potential energy and gravitational potential energy same..??
  706. Spheres on the GRE
  707. Is electric electrons and protons?
  708. Compressing water
  709. Whats the effect of universal/absolute gravity?
  710. How is mass, energy and velocity defined?
  711. Charge on a Spherical Shell
  712. Interference between different mode of light
  713. The electron
  714. Thermal resistivity
  715. In this grid of 1 Ohm resistors...
  716. Torque with relation to Acceleration
  717. Is there a way to disrupt air molecules?
  718. Specific Charge sum
  719. Please help - Gravity v/& Acceleration
  720. Privatives - Darkness and Cold
  721. Noise Across Capacitor
  722. TED Presentation, April 2009: Allosphere, data visualization
  723. Active and passive gravitational mass
  724. What is time, and can it be changed?
  725. Magnification of telescope
  726. equations for fan
  727. alternator
  728. potential energy of earth
  729. gravity
  730. Complex Variables and Physics
  731. Confused about mass
  732. Speed of gamma rays
  733. Thermal photons
  734. Fick's law of diffusion
  735. 3d hologram in vacuum ... help plz ?
  736. total momentum of a rotating object
  737. Kinematic equations - What do they mean?
  738. Stupid question about Newton's third law
  739. Funnel in a vacuum
  740. Time travel question
  741. clarification needed about accleration
  742. New idea -needs feed-back. A gas separator.
  743. What is relative or absolute?
  744. Foundations: Newton's Third Law and time reversal invariance
  745. LED resistance problem.
  746. new alternators?
  747. Torque and Static Equilibrium Experiment
  748. Time time time
  749. Optical Phenomena with White Wine and Glass...
  750. Just a little input........
  751. On tunneling to the center of the earth
  752. Why are things blue shifted and not violet shifted?
  753. Using Technology to stop the expansion of space.
  754. Errors in measurements
  755. Soundwaves question
  756. Cm
  757. Light as an EM wave
  758. simple physics help pls
  759. Efficiency with a combustion engine
  760. I have a stupid professor and need clarification on newtons 2nd law
  761. Trying to understand magnetic pump
  762. acceleration due to gravity below earth
  763. potential energy equation?
  764. slingshot method problem?
  765. Cocktail shakers
  766. Books to build "physical intuition"
  767. Periodic motion.
  768. Questons about Big G
  769. AA battery energy estimate
  770. Mirrors
  771. Motion of Levitating Magnets Problem
  772. how smoke travals at 70mph or dose it??????
  773. Thermal conductivity of metals
  774. Why is "silver" percieved as "grey" in colour?
  775. My Unanswered Question
  776. Soil Moisture?
  777. plasma flow velocity
  778. Defining flux
  779. experimental set ups for magnetic springs
  780. Circus Performer Falling into a Safety Net
  781. Required Compuations
  782. Last Digit of Pi in the measurable universe
  783. Hall Effects Theory
  784. If light is a constant then gravity is also right?
  785. Calculating the Reynolds Number (Re) for a non-spherical object?
  786. Rocket nozzle spreadsheet Qs
  787. Evaporation Rates
  788. Wave equation
  789. Spring and damper in parallel
  790. hit a sign with my car
  791. Project
  792. conformal transformation (CT)
  793. Catching a Train
  794. What is required for change? Force or Energy?
  795. Object Falls in Vacuum at the acceleration due to gravity.
  796. physics!!!! Science!!! Really Hard
  797. Wavelength and penetration.
  798. Is light a wave AND/OR a particle
  799. Rotation & Mathematics
  800. A few general questions.
  801. A simple question
  802. what is the relationship between stopping potential and the intensity of light?
  803. What is the meaning of tg(...)
  804. Egg drop physics, making a safe landing.
  805. Inertia in motion - why is momentum called this
  806. Free Fall Timescale
  807. Schumann resonance
  808. Calculating actual x-ray flux measurement
  809. Low Pressure Air?
  810. Physics behind making fire: The ancient way
  811. Is it possible for maximum entropy to decrease?
  812. Deflection
  813. A Future Energy Alternative?
  814. Inertial Frame of Reference & Equilibrium
  815. 1.61803399
  816. y ICE doesnt melt when placed in microwave oven?
  817. A Nice Problem
  818. Free electrons
  819. Constant drip speed
  820. need help!! why did the water increased the friction??
  821. Is the natural frequency the highest frequency?
  822. How do 3D movies work?
  823. Acceleration of falling object on impact
  824. How to measure flux of UV LEDs in water
  825. Gravitational potential and partial derivatives app's
  826. Wonder about instant Acceleration
  827. Relative Velocity
  828. Simple photometry question...with something going wrong?
  829. Physics Applications
  830. spining and weight loss
  831. About physical equations
  832. The Van Allen Radiation Belt and Space Travel
  833. Ampere's Law (enclosed current?)
  834. Measuring impact force of an air gun pellet on a dilatant mixture
  835. Magnetic Field Outside a Finite Solenoid
  836. Replace sun with a black-hole!
  837. Why doesn't the Earth collide with the Sun?
  838. dimension
  839. gravity
  840. Are lines of force measurable?
  841. atmospheric radiation scattering/absorption
  842. What aluminum alloy is moslty used in baking wares?
  843. Lifting vs pulling
  844. Measurement of gravity
  845. Settle An Argument Please
  846. Whistling iron and sulfur
  847. Light passing through a field
  848. The partial pressure of gases below sea level?
  849. Time as a dimension
  850. Bicycle Balance
  851. Physics of Golf
  852. Tyres - why is wider better for lateral grip?
  853. gravitation among individual particles
  854. mass + time + acceleration => watts
  855. Elliptical Orbits
  856. how to fit min. area ellipse around data point
  857. Continuity & Force - Change
  858. Torque applied to cap on bottle, resulting force
  859. size of an electron
  860. Formula to calculate the engine inertia
  861. Solar Cell and UV Light
  862. electricity from tides
  863. Mass doesn not effect speed of dropped objects
  864. Lagrangian with basis calculus
  865. relatioship between density and thermal conductivity
  866. How far will the GOLF BALL travel???
  867. single slit diffraction
  868. Coriolis from our orbit around the Sun
  869. why doesnt air go into space?
  870. spiral around cone
  871. Definite phase?
  872. how can I collect power from a magnetic field?
  873. coefficient of Friction
  874. What is the most accepted beleif about the universe, in terms of how large it is etc
  875. Centripetal acceleration geometry
  876. Ways a Car can be More Efficient?
  877. Age of the universe
  878. Creating Lift?
  879. Need help understanding negative pressure
  880. Where'd the energy come from?
  881. Bicycling on the Moon
  882. Swings
  883. Electron oscillating in vacuum
  884. Entropy vs. video game controllers
  885. Resistance of a moving coil galvanometer value
  886. Blobs in shadows
  887. Object with constant speed does not lose kinetic energy when faced with resistance
  888. Vasodilation and Vasoconstriction. This is so contradictory?
  889. damped oscillations
  890. quick question: how does air friction work?/why do things float
  891. How are bubbles created?
  892. Hydrostatic pressure
  893. Effect of Volume on Revolution
  894. Magnet and Motors?
  895. Electromagnet design
  896. Generalized Coordinate Systems
  897. Drop of Water
  898. Ranges of coherence lengths for......
  899. Photoelectric effect
  900. black hole gravity
  901. I need some help with this project (optics and lens design)
  902. Work
  903. Pressure exerted by a liquid is different to gas?
  904. Young's Double Slit - Fringe Width
  905. help with accelerometer
  906. A basketball Jump Shot
  907. Refraction optics help
  908. Bodies in motion…..
  909. Calculating a Damping Constant
  910. Physical Science...need help
  911. How do you separate things from centrifugal force?
  912. Why is infrared called the heat signature?
  913. Standing waves in a metal rod
  914. Total Energy calculation of permanent magnet
  915. speed of propagation of waves
  916. A quick question about startling forces?
  917. Geothermal power entering atmosphere?
  918. largest and smallest structures
  919. Need light with less heat for microscope
  920. Why are spheres and triangles so important?
  921. Why does gravity give a constant acceleration and centrifuge?
  922. Why does air way collapse when pressure outside exceeds pressure inside?
  923. photons...
  924. Egg shaped movement
  925. about water pressure
  926. Skydiver
  927. Electric field between 2 plates
  928. knowledge of physics advances
  929. Light velocity, wavelength, and frequency
  930. the presumed Invariance of the atom
  931. calculations i cant understand and make me crazy
  932. Subatomic cyclone experiment idea
  933. Does the piston ever "stop" moving in a running engine?
  934. Fractal Nature of Gravitational Forces
  935. Helium balloon in a decelerating car
  936. Calculating Spring Constant - Force or Energy?
  937. Can someone help me to better understand energy
  938. Magnetic moment of solenoid
  939. Mr vvaiser
  940. EMP effects?
  941. thoughts on gravity and space time
  942. How to find G's
  943. Neutron energy
  944. Velocity/Displacement Time Graph
  945. Magnetic Force on Iron
  946. waves equation
  947. tension in a chopped up string
  948. Magnetic lines
  949. physics query
  950. Resolving vectors into components
  951. Lens Thirring Effect
  952. Debate in simple mechanics
  953. Hot air Rotation
  954. Electron Density ?
  955. Path integral formulation - uses/related topics
  956. Electrical conductors!
  957. Calculating the force on a permanent magnet due to an alternating EM field
  958. Biomechanics with dissipation and conservation of momentum of ball travelling upwards
  959. contribution of physics
  960. Water on the Moon
  961. Refractive Indicies
  962. Learning Categorical Foundations
  963. capacitor charge
  964. why negative sighn in faraday law of electromagnetic induction?
  965. ELECTRIC field due to a solenoid, or a current-carrying wire, or...
  966. Major Physics Experiments
  967. Some Concept Questions
  968. Time-varying current in a long straight wire
  969. Relationship Between Energy and Wavelength
  970. Explain HOW SOME INSECTS CAN WALK ON WATER EVEN THOUGH THEIR DENSITY IS GREATER THAN
  971. Blinding White Universe
  972. About electromagnetic waves
  973. e=mc^2
  974. Why we dont use Magnet Motors?
  975. Do You think That We Can someday Fly like Birds?
  976. Lifting
  977. How do we know all electrons are the same?
  978. Left Hand Rule
  979. Can we be confident in a specific cosmological model without sufficient empirical evi
  980. Birds Sucked into Engines?
  981. Can Artificial Photosynthesis be a Fossil Fuel Alternative?
  982. Expanding Universe
  983. How do you get a mousetrap car to go forward and then backward?
  984. If light has mass, and is a wave...
  985. Fresnel Biprism
  986. physics challenged
  987. Reverse Universe
  988. Why are Horizontal Axis Wind Turbines used other than Vertical Axis?
  989. break shot in pool
  990. "Energy can be conerted into matter"
  991. 2012 myth
  992. magnetic field due to charge in motion
  993. how can a photon became a electron ?
  994. moment of inertia of solid sphere
  995. Brainstorm of Possible Questions/Topics for A2 Data Handling and Experimentation
  996. Hologram question
  997. Calculate smallest pore that will admit water
  998. Why are Oven Fans so Noisy?
  999. Static/dynamic spring stiffness problem
  1000. "in 4-D, the Earth orbits around the sun in a straight line"
  1001. Projectile Launched from the moon
  1002. What is Dynamics
  1003. Is Light a State of Matter?
  1004. Vapor vs Gas, both containing solids
  1005. Some Explanation about Momement of Inertia
  1006. Units of Electron Volts (AMeV)
  1007. Iron-rich spheres
  1008. power measurements?
  1009. Dispersion Force - The intermolecular force
  1010. Expert Help: What do you guys think about this 3D physics simulation ?
  1011. Butterfly Effect ever observed?
  1012. harmonics of a closed-closed tube...
  1013. How to lower Sound Pressure?
  1014. How to pronounce Langevin in English?
  1015. Air Pressure and Sound?
  1016. the effects of a solids dimensions on sound waves?
  1017. large particles
  1018. Cell Phones
  1019. gravitational potential energy
  1020. Gasoline vapor and explosions
  1021. Charge consumed by a circuit
  1022. Acceleration and force
  1023. Birkeland currents
  1024. Impact Force vs. Weight
  1025. Does the Nonlinear Schrödinger equation violate thermo 2?
  1026. My misconception about the preservation of energy.
  1027. F = ma
  1028. static equalibriam's
  1029. Calculating Work/Power
  1030. Center of gravity
  1031. Which would hurt more a water bottle or a frozen water bottle?
  1032. Longitudinal vibrations in solid metal rods
  1033. Force Vectors and Dot Products
  1034. Equations
  1035. Difference between Magnus effect and Bernoulli
  1036. New Supercomputer at Brown University
  1037. Are Active Noise Control Stereo Possible?
  1038. US Physics Test Eligibility
  1039. Magnetic Oscillation Equations
  1040. Can light produce darkness and can noise procude quiteness 4
  1041. Speed of light : missing energy
  1042. How to Make a Ferrofluid?
  1043. Some Explanation with Rigid Rotator
  1044. Transfer machanism via conduction
  1045. How is the freezer part of a refrigerator is more cooler than the other parts?
  1046. What is voltage drop?
  1047. Bicycles and their mad skillz
  1048. Do you know elementary physics?
  1049. Laser spots
  1050. Coulomb's Law
  1051. Rocket Experiment Help
  1052. Physics of Golf
  1053. Space in an atom
  1054. Forces acting on pipe submerged in drying cement
  1055. Newton's Cradle office desk toy
  1056. Question on Physics
  1057. Hanging basket wrong way round?
  1058. what is the relationship of modulus and temeprature?
  1059. Galileos law of free fall
  1060. Badminton
  1061. The acceleration of mass using light
  1062. two-dimensional collision
  1063. Planck's Radiation Law and Stefan's Law
  1064. moment of inertia and friction
  1065. Noether's Theorem
  1066. is weight universal?
  1067. Passage principle
  1068. "Pendulum"
  1069. Concept of 3 balls falling from building at different angles
  1070. Going to CERN in December! can anybody help?
  1071. Galileo's Pendulum
  1072. Large Plano-convex lens pairs
  1073. Scanning tunneling microscopes, physics lab
  1074. Pressure vs length vs optimal speed vs volume
  1075. Nonlinear Vs. Chaotic
  1076. Preservation of information?
  1077. Hydrostatic pressure in a submerged pipe
  1078. Hi ,new here and have a question! :)
  1079. Radiation heat transfer between air or wall
  1080. tonometer experiment
  1081. strange 'weight-lifting' machine in Feynman's lectures on physics book..
  1082. LED Headlights do not work
  1083. atomic isolation
  1084. wavelengths for ionization
  1085. Shouldn't railgun gave any recoil?
  1086. Bicycle wheel size question.
  1087. Entropy
  1088. Spin Polarization
  1089. Elementary question involving turkey thaw process!
  1090. Contrails/Vapor on plane wings? confused..
  1091. Microwave vs metallic objects
  1092. Enthalpy and it's use in Gibb's Free Energy
  1093. inertia
  1094. vacuum question
  1095. Subatomic Reversibility of Time?
  1096. Unitary Operators
  1097. The mass of Earth.
  1098. Principle of least action
  1099. V-shaped Pendulum help
  1100. magnetic field and displacement current
  1101. One-way mirror ball
  1102. What is wrong with this argument?
  1103. electric charges experiment
  1104. ideal gas equation
  1105. brewster's angle
  1106. Atmospheric pressure
  1107. Mass Eccentricity <-- What?!
  1108. Molecule size of water and oxygen
  1109. Basic question - flotation
  1110. Theory behind RMS speed
  1111. Inductance and Magnetic Fields
  1112. Setting a circular polarization at an FBG
  1113. magnetic repulsion force between two cylindrical magnets
  1114. Calculating volume of earth
  1115. Rearranging the kinematic equations
  1116. Using dimensional analyisis to verify formulae
  1117. radiant heat energy
  1118. Stefan's Radiation Law with Boxes
  1119. Average velocity from multiple displacement/velocities
  1120. Meniscus propulsion
  1121. Vibration into Electricity?
  1122. Obtaining research papers from journals
  1123. Wave dispersion
  1124. Relationship between Refractive index and Inpedance
  1125. pressure
  1126. force on a lifted object
  1127. thermal loading
  1128. electrostatic magnetic-field interaction
  1129. paradox of energy gain
  1130. Davy's Safety lamp (a little help)
  1131. wheel rotation force
  1132. confused on Gravity
  1133. Where could I buy electron guns?
  1134. Monkey and Hunter
  1135. Light Intensity and Number of Photons
  1136. mystery equation
  1137. Just a quick question of the escape velocity equation
  1138. Normal Forces
  1139. Do different masses ever combine?
  1140. Molecular Vibration and Translational Kinetic Energy in a Gas
  1141. Newton's 2nd Law: Zero Acceleration Problem
  1142. Why do we need particles in our theories?
  1143. When a stream hits a surface, why does the stream always split in two?
  1144. Is your mass a constant?
  1145. Pressure of helium
  1146. Optics Q!!!: Diffraction Pattern from a Ronchi Ruling
  1147. What is a guage?
  1148. Interesting optics Problem
  1149. tide force
  1150. magnetic field
  1151. New Project
  1152. Lorentz force question
  1153. calculating rotational g force
  1154. Temperature and Compressing Water?
  1155. Rotating Charge
  1156. Confused about water/compressed air
  1157. Where I can find a table of values for little g (acc. due to grav.) in diff. cities?
  1158. Specific Heat Capacity
  1159. Buoyancy questions: Submerged vs Floating
  1160. Can it be possible to take well water by using a vaccume tank
  1161. Anti matter ?
  1162. Time derivative
  1163. Organic matter in absolute zero?
  1164. Very Confused... Static Pressure?
  1165. Simple Electron Question.
  1166. Normal coordinates of a dynamical system
  1167. What is energy
  1168. Can you please help me with Newtons 3rd Law
  1169. Confused about Vertical Windmills
  1170. Cooling the human body with fans.
  1171. AP Physics Exam Projectiles
  1172. Most Energy Storage Device?
  1173. Wind Force on a surface area
  1174. calculating pressure requirement
  1175. what is a dielectric sphere?
  1176. Computing Flight Forces. Im getting so upset!
  1177. velocity of electron moving between charged plates
  1178. Nobel prize in physics
  1179. Does anyone have any recommendations as to how to assign error to this?
  1180. Explaining Light Travel Time
  1181. measuring lightspeed
  1182. Slit
  1183. rediculous questions on light speed
  1184. Absolute vacuum between atoms?
  1185. using taylor form to calculate errors
  1186. ball collides with spinning ring. Spooky.
  1187. Oscillatory motion (vertical spring-mass system)
  1188. how to determine rarer & denser medium for light?
  1189. The speed of a shadow?
  1190. Impedance
  1191. Ideal destructive interference of two beams - Where is the energy?
  1192. Conservation of Energy Problem
  1193. relation between wet ability and viscosity
  1194. Hey guys, this is my theory of blackholes and how new parallel universes
  1195. Curving light undergoing redshift
  1196. Charges, current, and Electric Field direction?
  1197. Question about Schwarzschild radius
  1198. Dual Mass-Spring System help!
  1199. What is Hilbert Space?
  1200. Speed of light in denser and rarer medium.
  1201. Investigatory Project
  1202. Unfolded hypercube.
  1203. something about Bessel function
  1204. What does "axially symmetric" mean mathematically?
  1205. Does physics support the notion of eternity?
  1206. Do all bodies emmit black body radiation?
  1207. .75c+.75c
  1208. Relativity and Spatial Dimension
  1209. Please help me guys...
  1210. photoelectrons..
  1211. Find velocity of a pulley system
  1212. Vector Quantities
  1213. Bulk modulus of ployurethene
  1214. Relating electric constants to the speed of light ?
  1215. please help my wind turbine...lol
  1216. Orange - Hitting it lying on a surface or hanging free
  1217. Eddy current - magnets.
  1218. magnetic field around a moving charge
  1219. what is energy density?
  1220. Charge of a pollen
  1221. Flowrate and Pressure Calculation
  1222. Pressure vs Flowrate
  1223. Electromagnetic Propulsion Theory
  1224. effects of time on particles in an active synchrotron
  1225. magnets and television screens
  1226. Do we move through higher dimensions?
  1227. Working with UV-C on independent project
  1228. Is it possible
  1229. why long Wave is better?
  1230. Pendulum craziness (LOGS)
  1231. Is there any law that states something cannot have 100% efficiency?
  1232. Questions About Objects Touching?
  1233. Particle Accelerator Schematics
  1234. Could you apply Poincaré recurrence theorem to our universe?
  1235. Mhd
  1236. Visualizing 4-d
  1237. Introductory demonstration materials
  1238. Eddy currents and the motion of the body
  1239. -ve sign in expression of "induced emf"
  1240. ADXL Accelerometer data to speed
  1241. Change in acceleration
  1242. Electromagnetic Field Detector
  1243. Ships, locks and potential energy
  1244. Anyone fancy doing a good deed? Aerodynamics.
  1245. Gravity and density
  1246. sound waves, ultrasound
  1247. Magnets down a copper tube and Lenz's law.
  1248. Kind of a dumb question...
  1249. Practical problem -anchoring
  1250. Parllel Plate Capcitor separation distance and voltage
  1251. ideal gas or not ideal gas
  1252. Is space a property of matter?
  1253. Weight difference between an empty and a full memory stick
  1254. Distributed Loads (When to Cut)
  1255. Is Information described by physics?
  1256. Color
  1257. experimental error
  1258. Old mans inquisitive crap?
  1259. Greenhouse Gas Misunderstanding?
  1260. standard deviation.
  1261. CFD code
  1262. Diffuse light - clear reflection
  1263. Yes, cars can run on water
  1264. Conservation of momentum
  1265. Electrolysis of Seawater under pressure
  1266. Gravitation and Motion Equations
  1267. Two phase momentum conservation
  1268. USB stick and mass
  1269. Material that blocks visible light but not uv light
  1270. explanation of laser intensity
  1271. Space Based Solar Power Generation.
  1272. Simplifying Lenz's Law
  1273. Need help with Dynamo rule applied to coil and magnet:
  1274. Antimatter Problem + Arrow of Time
  1275. S.I Unit
  1276. Luminous and light distance
  1277. relationship between light amplitude and intensity
  1278. sound reflection & controversy in ray diagram of concave mirror
  1279. how do pelican crossings work?
  1280. The phenomenon of image formation
  1281. The shot at the beginning of Wanted... was it possible?
  1282. Higgs Boson and Einstein
  1283. Label Rolls
  1284. coulomb calculation?
  1285. electrostatic charge buildup in a voluminous conductor
  1286. Properties of a bimetallic strip
  1287. A puzzle on light diffraction
  1288. balloon
  1289. Vectors or not?
  1290. Calculating the required fan size and cfm.
  1291. Looking for: Sound that creates bass through adding of oscillations
  1292. Question on Formulas and how they came to be?
  1293. Virial Theorem
  1294. Biophysics enzyme experiments for a second year lab
  1295. How do overhead projectors project black onto a screen?
  1296. Interesting problem
  1297. Force Distribution on a square
  1298. What would happen with this configuration of static charge
  1299. Will there be changes to length of barometer if the following changes are made.
  1300. Who knows the proper name for this experiment...
  1301. Old person curious about conservation of energy
  1302. What is Charge????
  1303. Beads in rocket exhaust?
  1304. Does an artificial satellite rotate in its own axis?
  1305. Plotting graphs help
  1306. Instantaneous speed
  1307. What is the physics of a ukulele
  1308. Is there a formula for determining the velocity at which two magnets are attracted?
  1309. Photon generated black hole
  1310. Calculating FPS of compressed air projectile ??
  1311. Is it possible to have distance but apply no force?
  1312. Where does the energy to create tides come from?
  1313. Pressure Change over time PV=nRT
  1314. Pulse Jet Propeller Thrust Calculation
  1315. Particle Accelerator & Energy Consumption
  1316. Expression for circular wave
  1317. Electromagnet coil core to yoke ratio?
  1318. why symmetry is not important in classical physics?
  1319. Length vs. height of a cable
  1320. Light and Vision: Photon Direction
  1321. Energy Thought Experiment
  1322. General Friction Info& Inclined Planes
  1323. Refraction and fiber optic cable diameter
  1324. Bernoulli's Equation and Fluid Mechanics?
  1325. Most effective means of moving hot air?
  1326. questions about gravity
  1327. Rotation vs. Translation
  1328. Determining direction of wave propagation from the phase?
  1329. Invisible bottle glycerine
  1330. Frames of Reference on Top of a Moving Train
  1331. Firelight???
  1332. constant water flow rate?
  1333. Voltage and Electromagnetic power
  1334. Is velocity incremental when measured precisely?
  1335. How does the principle of "Reference Frames" work?
  1336. What is transverse momentum?
  1337. A few general questions about Optics
  1338. Fresnel diffraction
  1339. Shielding
  1340. Green light
  1341. Is it true that magnets forced into opposition lose magnetic their force?
  1342. Polarised 3D glasses and an LCD Monitor
  1343. Bullets in flight
  1344. Norway Spiral Mathematically Proven to not be a Missile
  1345. How to determine a lens width?
  1346. Kinetic/Mechanical Energy ----> Electricity?
  1347. can acceleration overcome a constant force
  1348. Light ... some interesting questions and an observation
  1349. How can time have a beginning?
  1350. Solitons vs light wave.
  1351. Entropy and energy
  1352. A Basic Question on Light
  1353. Relavance of speed to time
  1354. calculate the force of gases?
  1355. Real relativistic field and curvature?
  1356. Calculations for flying ball
  1357. Color Tutorial
  1358. Electron Tunneling Challenge
  1359. Components of Compton Spectrum
  1360. Is it Possible to Convert Sound Energy into Heat Energy?
  1361. Question about super large number units in hubbles constant
  1362. sub-universal Infinity ?
  1363. Is this a valid equation?
  1364. opening a tiny air gap
  1365. diferences b/w emf & voltage,Resistance & resistivity
  1366. Measuring frequency and radiations of seawater
  1367. Is this not mathematical evidence that the universe is an open system?
  1368. Does the 'Pauli exclusion principle' imply that the universe is finitely creative?
  1369. Help needed
  1370. Contact Lens: How to focus light 1mm away
  1371. Liquid oxygen explosion blast radius
  1372. Velocity vector along a parabola
  1373. Launcher Project question
  1374. Jerk due to Gravity
  1375. Surface Tension
  1376. Heat
  1377. Total magnification of microscope
  1378. electricity from radoactive material
  1379. The idea of Work/Energy
  1380. gravity and geothermal
  1381. average velocity
  1382. Supercomputer Time
  1383. Second law of thermodynamics
  1384. Laws of Physics vs. Laws of Nature
  1385. eight short questions, but very important to me
  1386. Electron carrier
  1387. Nikola Tesla's Dynamic Theory of Gravity
  1388. Mass of the photon depends on the frequency??
  1389. definition of viscosity
  1390. REALD 3D Cinema Glasses
  1391. Surface waves on a balloon and our possible extra dimensions.
  1392. Magnets repell water??? Help!!
  1393. Radiance and Irradiance.
  1394. Helmholtz coil design.
  1395. Does sinusoidal play a role in physics?
  1396. How to measure crash impact of a remote control car?
  1397. Waves and Interference
  1398. Additional Motorcycle Wheels?
  1399. Question on gravity and mass
  1400. dual nature of electron spectrum
  1401. Inverse square law with flat detector
  1402. Energy is all ?
  1403. Equation 2nd law thermodynamics
  1404. Anti-matter B field ?
  1405. Summarize the Universe
  1406. Car hitting a tree - calculating the force?
  1407. Looking for an electronic nose
  1408. Need A Small Accelerometer
  1409. Photon questions
  1410. Will a nuke detonate in space?
  1411. Torque required to rotate something
  1412. What is matter?
  1413. Antigravity Particle
  1414. Gravity wave?
  1415. How to imagine an electric field?
  1416. Strength of fundamental forces
  1417. Cutoff Point for Relativistic Effects
  1418. Block on Ramp
  1419. Electric field on a tapered cylinder???
  1420. Loudness of sound in air, liquid and solid
  1421. Faster than a photon
  1422. Magnetic field?
  1423. What is Normal Force?
  1424. dot product or cross product?
  1425. Energy within gas and liquid
  1426. magnetic dipole moments
  1427. General question about solutions to Laplace's equation
  1428. Expansion Volume of n-Pentane as Working Fluid & Carnot Efficiency
  1429. Energy in a Vacuum?
  1430. Entropy question
  1431. thermophoretic force coefficients
  1432. Does it happen?
  1433. universe mass responsible for inertia?
  1434. momentof inertia and center of mass!!!
  1435. Negative to a Positive Gravitational Force
  1436. what is a magnetic field made of
  1437. How long does shuttle re-entry burn last?
  1438. magnet and eletricty
  1439. Magnetic lines of force
  1440. Doubt reagarding magnetic fields
  1441. Why moon has no gravity ?
  1442. Air Pressure - Kinetic Energy
  1443. What is a force?
  1444. Electromagnetic radiation and absorbing materials
  1445. motion of balloon
  1446. Modern Physics vs Classical Physics
  1447. Calculating Spherical Collision Outcomes
  1448. Moment of Inertia, relation to other moments?
  1449. Calculate the force needed to lift
  1450. balls colliding line
  1451. Maglev- Lenz's law
  1452. Weak Interaction Field
  1453. basic
  1454. Induced Current
  1455. rate of heat transfer / specific heat
  1456. How can you row a boat with a paddle?
  1457. High School Science Project
  1458. Lighting a match
  1459. Question about space-time
  1460. A question regarding..electricity's nature..
  1461. Mercury 'surface tension' vs. density
  1462. equivalency: particle with energy
  1463. does atom lose energy?
  1464. Suspended compass
  1465. Free Body DiagramPlease
  1466. What is a chip ?
  1467. Double Slit Experiment inquiry
  1468. Inertia of rolling objects
  1469. Figuring out force.
  1470. Gravitons and black holes
  1471. The amplitude equation of Brusselator
  1472. Why is a changing magnetic field and changing electric field perpendicular?
  1473. Galilean Transformations and Relativistic Physiology
  1474. Questions about insulation and heat transfer
  1475. Energy and computational complexity of atomic interactions
  1476. gravity ?
  1477. Question on Bernoulli's equation
  1478. Gratings
  1479. Application of kinematics
  1480. Multiplying decimals
  1481. Orbital speed, Earth vs Moon
  1482. problem in spectrometer
  1483. Baffled with experiment
  1484. Poisson's ratio and its Range!
  1485. How does a solid-state gyroscope work?
  1486. Conservative force ???
  1487. Another "where did the energy go" question
  1488. Dowsing
  1489. Vector Spherical harmonics/spherical coordinates question
  1490. Capturing Electrons Inertia?
  1491. Basis for conservation of mass-energy?
  1492. Sound and Temperture
  1493. Projectile Speed, Crosswind Relationship
  1494. Electron charge question
  1495. Why does "grounded" imply "V = 0"?
  1496. Some questions on properties of superconductors
  1497. Does a chimney work in this situation?
  1498. Electric current density in conductors not resembling a wire
  1499. the brakes of a car
  1500. Magnetic pinches and MHD
  1501. Questions about the Universe
  1502. Resistance to change in temperature?
  1503. Falling off of a building and ANY equations that would be associated with that
  1504. Acceleration plus change in Direction
  1505. Model Maglev Train starting motor help
  1506. electromagnetism, flux density Vs. field size
  1507. Quantum Tunneling- Walking through walls
  1508. diffraction of moon light
  1509. cellular antenna
  1510. What do they mean by Light being a wave?
  1511. Physics behind blood vessel constriction and blood pressure?
  1512. heat leak in low temp. app
  1513. kinetic energy
  1514. Matter/Antimatter annhialation
  1515. Does angular acceleration not always come with torque?
  1516. Infrared thermometer ?
  1517. uncertainty principle - light beam
  1518. Temperature dependence of contact angle in liquids
  1519. What makes diamond so excellent for drilling?
  1520. having trouble deflecting charged microparticles in a nanoscale device
  1521. Creating a vert. drop impact that is equivalent to a faster, but lighter hor. impact
  1522. Monstrously Magnetic
  1523. Need Help
  1524. Why root mean square for temperature?
  1525. angular acceleration: round 2
  1526. Is anything on Earth--- 4 dimensional? 2 dimensional? 1 dimensional?
  1527. I think I understood Bernoulli principle but I need to clarify one thing quickly
  1528. electric potential easy question
  1529. Is gravitational attraction finite?
  1530. Weakened Magnets?
  1531. Pressure and Displacement sound waves. Pressure always lead?
  1532. does strong force = gravity at very small distances?
  1533. Freezing rate for water in supercooled ice
  1534. Physics of "Hurricane Balls"
  1535. Can someone explain this...can't understand notation
  1536. SF6 Basic pressure question
  1537. Capturing light photons with the Hubble
  1538. Effect of noise on a circuit
  1539. Conversion help please
  1540. Light has no length
  1541. Laser optical components/setup
  1542. Contradiction in the equations of motion....??!!
  1543. coefficient of restitution
  1544. Is matter infinitely divisible?
  1545. A push to an object in complete vaccum.
  1546. Effect of magnetism
  1547. Induced Voltage
  1548. Moving Electric Charge Creating a Magnetic Field
  1549. (Bessel Beam) Wave vector question
  1550. Equivalence of SI Units.
  1551. Poiseuille's Law
  1552. Biophysics
  1553. Books on Categories (and toposes) in physics
  1554. Impulse required to stop a rotating body
  1555. Sending Information By Laser
  1556. Superposition of waves
  1557. Why aren't interference filters also polarizers?
  1558. What do we mean by 'wavelength'
  1559. If Electrons Repel Each Other, Then...
  1560. What is the force on a Bike shock?
  1561. Basic Monatomic Ideal Gas Speed/Temperature Relationship
  1562. speed on ice
  1563. Calculating meters per second
  1564. Understanding basic principles
  1565. How "bright" are radio and other EM signals?
  1566. Plane's Propellor Illusion
  1567. MOVING center of gravity in a sphere satellite
  1568. Horizontal component of projectile motion
  1569. Online courses for general physics
  1570. Size of atom and free electron affect thermal and electrical conductivities
  1571. night vision
  1572. doppler effect?
  1573. Linear size of everything doublles overnight
  1574. b&w to color
  1575. Initial Velocity in Vector3 format - non equal height
  1576. Relation vs Constant
  1577. velocity on a moving platform
  1578. Visiting car guy, got a quick question about volume and compression
  1579. 1 gal Milk freezes in 12 hrs thaws out in 3 days. WHY?
  1580. Interference: Requirements
  1581. Question about colour/light
  1582. Can anyone tell me what is charge space?
  1583. introductory material - GR Hamiltonian Treatment
  1584. Impact generated by a futsal ball vs. basketball ball at a wall
  1585. Question about gears and torque
  1586. Help with a creative writing piece (not homework)
  1587. Antimatter
  1588. Calculating average speeds when distance is unknown
  1589. Vehicle rollover physics
  1590. Mythbusters Car Drop
  1591. math problem in Huygens-Fresnel principle
  1592. Looking for Rocket Nozzle Equations
  1593. Game Collision Physics
  1594. Compression No, Othertimes Yes
  1595. exitance or excitance, radiant.
  1596. flow rate
  1597. how maglev(magnetic leviation) works?
  1598. Cancellation of Electric Fields
  1599. Air pressure
  1600. Confused !!!!
  1601. Can't get the concept !! [of energy]
  1602. Some questions mostly dealing with large objects in space.
  1603. How can I calculate energy loss from a leak in a large furnace???
  1604. How to calculate vectors
  1605. how design vent silencer pwl and spl
  1606. Iccd
  1607. Why does water get 'hard' on impact?
  1608. Gibbs or Entropy
  1609. Can I measure the Solar Constant this way?
  1610. Gravity Repulsion
  1611. antimatter - a kind of a matter?
  1612. Helium Balloon Levitation
  1613. Hooke's law, again
  1614. Travelling at the speed of light
  1615. Speed of electromagnetic wave in matter
  1616. What exactly is a wheatstone bridge? What are its uses?
  1617. Capturing paramagnetic beads in a capillary
  1618. Chemistry and Dimensions
  1619. Calculating the gravitational acceleration
  1620. Grounded conductor within a charged shell
  1621. How can Gauss's Law be Correct if We Consider Charges Not on The Gaussian Surface?
  1622. relating gravity to time through black holes and Gravitational time dialation?
  1623. The energy isn't conserved here! Is there any thing wrong?
  1624. Waveforms & Barriers
  1625. How do waves travel in a vacuum?
  1626. Solar eclipse captured!!
  1627. Spacestation Question
  1628. light reflection?
  1629. Calibration of a 3-Axis Accelerometer for fixing effect of gravity
  1630. Cloud Chamber Construction
  1631. Straws not working!
  1632. Simple pulley systems
  1633. Capacitor discharge waveform.
  1634. Transverse vibration in a solid metal rod
  1635. Transient (Time domain) in transmission lines
  1636. Why does glass not permit long wavelength infrared to pass through?
  1637. Does a light pulse get amplified when it goes to a less dense medium?
  1638. Why are walls impenetrable?
  1639. Solar eclipse and radiation levels
  1640. free fall velocity of object under water
  1641. Magnetic and Electric Fields in Gravity
  1642. force transferred across a fulcrum
  1643. Origin of terms in equations
  1644. Relative velocity of perpendicular vectors
  1645. Conservation of momentum with initial velocity of 0
  1646. Momentum vs. Kinetic energy
  1647. Designing an air gun to launch simulated rpg's
  1648. Soccer physics
  1649. Inverse square laws
  1650. light velocity change in different medium
  1651. De Mourve's Theorem
  1652. Need help understanding Half life, decay constant & activity equations
  1653. FTIR Spectrometer
  1654. Ducted fan wind turbine
  1655. Wave passing medium containing discontinuities?
  1656. Does making ice take energy?
  1657. Force of Impact Question
  1658. How does a rocket work in space
  1659. Reaction force of a laser
  1660. ElectroThermal Vaporization
  1661. One dimension or Three?
  1662. Confused - chemical potential of an ideal classical gas
  1663. Three car crash physics
  1664. Ad Hoc Physics discussion & other subjects
  1665. Grease under the eyes of football players -- dumb or not?
  1666. Earth's Magnetosphere
  1667. External Ballistics.
  1668. Can a man made fire be visible a few miles in the night?
  1669. Triboluminescence
  1670. What is atomic concentration?
  1671. Put out the fire with explosive
  1672. calculating work in a body of water
  1673. Calculating error in fit parameter
  1674. quantity of water in air at saturation
  1675. He-3 and He-4
  1676. Link between fractals and chaos
  1677. Magnetic Field in a moving Medium
  1678. Real and virtual images
  1679. semiconductor laser
  1680. Better explanation of Radiative Transfer in Atmosphere especially with Saturation
  1681. Could someone clarify the Multiverse theory of things
  1682. how much time is 1 second!
  1683. Vacuum Physics???
  1684. Help understanding chemistry (an idea for harnessing energy)
  1685. Research in anomalous kinetics using fractional calculus
  1686. About the atomic model
  1687. Gravity movement and kinetic energy
  1688. Magnetic induction equation -How does it change in case of a rotating magnetic field?
  1689. Tilt Angle of a Floor Lamp
  1690. Magnets & closures
  1691. The difference between diamagnetism and paramagnetism?
  1692. Question about like poles repel and unlike poles attract
  1693. Balloon deformation - calculating effect on surface points
  1694. Is it possible to make a closed mirror system?
  1695. Educational Challenge
  1696. Universal Gravitation and Local G
  1697. How would i measure the frequency, of a song, or sounds?
  1698. Determination of coefficient of friction between two spherical particles
  1699. Feynman QED, Permanent Magnets, and Virtual Photons
  1700. understanding wavelength and frequency.
  1701. Finding Hour Angle
  1702. Rule of thumb
  1703. Energy available
  1704. Improving MPG with hydrogen/oxygen
  1705. Egg Drop with Three Eggs
  1706. Making my own fire hose
  1707. Calculation of magnetic field
  1708. Converting to hydrogen power
  1709. Physics Contest, Quiz-Bees, Olympiads
  1710. Online Physics Quizzes
  1711. Electric Constant
  1712. increase photovotaic output
  1713. average work per manhour
  1714. Magnetic shielding, or field line redirection - why does it work ?
  1715. how does an electron absorb energy from a photon
  1716. Maintaining constant Potential Energy
  1717. Can We Create Electricity While Cooling our Homes?
  1718. Stability of droplets - using Unduloids
  1719. electromotive force
  1720. Do water molecules at the bottom of a swimming pool move faster and closer together?
  1721. How does Avatar's 3-D work?
  1722. Exploding potato?
  1723. What is the total energy of the universe?
  1724. Looking for the author of this quote
  1725. Attacking Einstein (and other pursuits)
  1726. Non destructive technique for Measuring and profiling the density of a food wafer
  1727. Red shift photons: where does the energy come from?
  1728. Viscosity
  1729. Simple Harmonic Motion. Why is Acceleration proportional to NEGATIVE displacement?
  1730. Gravitation problem
  1731. Battery Powered Nichrome Heating Element (80 Degrees)
  1732. Bubbles in water, need a method/equations
  1733. Randomness of quantom particles.
  1734. Calculating Moments about a point with couples.
  1735. Mixing CO2 with Air under pressure
  1736. The Nature of Colors
  1737. i don't quite get Newton's third law... :(
  1738. What would be the force on a beam of particles from focused sunlight?
  1739. 3D Coordinates To 2D
  1740. Light reflection question....
  1741. Neutron ?
  1742. superparamagetism
  1743. Cooling of metal in vacuum
  1744. Liquid dispersion
  1745. The Earth's Magnetic Field & Energy
  1746. Magnets in Cars-Coils in Roads
  1747. need help solving a work debate
  1748. Why is the "bending" of waves related to wavelength?
  1749. EM waves...
  1750. my understanding of tension..
  1751. Using sound to extract information
  1752. Optical Pyrometers
  1753. The force of drag is proportional to velocity?
  1754. How does smell work on the atomic level?
  1755. Help needed: coupling light from a LED into an optical fiber
  1756. Changing water's specific heat capacity
  1757. Hot object and IR emission
  1758. Research on rotational of rigid body.
  1759. Radiation from stationary changing charge
  1760. Book stand made from straws
  1761. gas law understanding
  1762. How to calculate power required by vehicles
  1763. Mixed light and "pure" light?
  1764. Magnifying Glass & UV
  1765. Not Homework (but it sure looks like it though)
  1766. Freez Beer in 2 sec
  1767. Projectile calculations including air resistance and weight
  1768. is it possible to make a "gravity mirror"?
  1769. Elastic/rubber help
  1770. Would "finely dispersed radioactive aerosols" be correct to say?
  1771. Gravity's weakness
  1772. Mathematics proof vs Physicists proof
  1773. exerting forces on massless objects..
  1774. Infinite universe filled with uniform dust
  1775. Question about Center of Gravity
  1776. How do I get momentum to assist rotational force from overcoming traction force?
  1777. How many balloons would it take to lift an object?
  1778. The relevance of physics in the causation of a HEART ATTACK
  1779. Energy from combustion of element
  1780. What the Bleep do we know!? Doco
  1781. Conservation of momentum
  1782. How does evaporation work at the molecular level?
  1783. general physics
  1784. Drop of water in slow motion - explanation needed
  1785. How to physically justify it??
  1786. concave & convex bridges..
  1787. Wind Tunnel Experiment(pressure problem)
  1788. On N-body potentials
  1789. Where does this kinematics equation come from?
  1790. Photon ?
  1791. Solar cells and electric fields
  1792. pouring liquids question
  1793. Energy <---> Mass conversion and visible light
  1794. Physics in Honey I Shrunk the Kids
  1795. Does entropy always involve heat?
  1796. Force applied on suspending/falling mass
  1797. Temperature/Resitance Relation?
  1798. Maglev Force Equation
  1799. rare earth magnets
  1800. The desire of atoms for a lower energy state
  1801. Is there a reference of naturally occuring electromagnetic waves?
  1802. Before Vectors, was it Components, and Quaternions?
  1803. B, H fields due to a magnetized material everywhere
  1804. Assumptions for shell balances
  1805. Wheel and axle mechanics
  1806. For the N's second law
  1807. RealD Glasses and the polarized effect.
  1808. Van de Graaf generator
  1809. Need help
  1810. My questions on gravity
  1811. Basic Question on Force Plates and Measuring Moments
  1812. Electroscope; conceptual charge distribution questions
  1813. Electric field with reference to voltage
  1814. Magnetic Pull Force
  1815. I just created a vacuum in a cup when doing the dishes?
  1816. Faraday cage experiment - Static current
  1817. Casimir effect and a finite length Tipler cylinder?
  1818. Young's double slit experiment (shallow slit and deep slit)
  1819. Tuning Fork - Simple Harmonic Motion
  1820. What is meant by friction loss?
  1821. Torque - Energy relation
  1822. Graphing a Permanent magnets field
  1823. Need_help
  1824. remnance of cast iron vs steel
  1825. Speed of satellites in a geostationary orbit
  1826. im stuck please help
  1827. How do X-rays work?
  1828. magnetic field of a moving point charge
  1829. Flow rate vs rev/gal
  1830. finding projectile speed
  1831. Coulomb's Law
  1832. Water bubble inside a microchannel
  1833. Force applied on the plate
  1834. gyro is weird
  1835. Maximum and minimum skew of a line of best fit
  1836. forced evaporative cooling in high humidity conditions
  1837. question about gravity
  1838. Calculating heat loss by evaporation (water)
  1839. Finding center of mass
  1840. Work vs. work (or physics vs. biology)
  1841. GaAs temperature calculation induced by electrical power
  1842. Calculating force to displace water
  1843. Photonics source?
  1844. E=MC^2 and the creation of mass
  1845. Laser Help
  1846. Accurate, Affordable Digital Thermometer?
  1847. physical oceanography, geomatics
  1848. Index of Refraction
  1849. Relation between laser frequency and range?
  1850. Need help with loaded cart problem
  1851. Weird question about Nuclear Weapons...
  1852. Acceleration vs. Velocity
  1853. Why you call momentum for momentum?
  1854. 150N electromagnet repel neodymium
  1855. What Propels Photons to c?
  1856. Hydrogen proton
  1857. Time Travel
  1858. Bullet train
  1859. Force of gravity in terms of time, rather than distance.
  1860. How many times will the energy in a choclate bar lift 100kg?
  1861. What will happen in this situation
  1862. Best model for antigravity
  1863. Question about electromagnetic waves
  1864. ARRRH I'm gonna explode. This is my pet hate!
  1865. Quick question to wat this equation is?
  1866. help with problem, comparison of energy released
  1867. Maximum Speed - T-shaped intersection
  1868. What vibrates in De Broglie waves?
  1869. Electron Mean Free Path in air & Electric field requirements?
  1870. Spherical Magnet...!!!
  1871. Relation between capacitance and frequrency
  1872. Difference between "Nothing" & Vacuum
  1873. Can you explain this? Hunting physics
  1874. Toppling
  1875. *Particles to biological cells?*
  1876. Question about Dielectrics
  1877. Airplane on a conveyor belt
  1878. Questions about forces.. Newton's Laws (first law)
  1879. Importance of a keystone in an arch?
  1880. why motors can convert energy??
  1881. Testing my understanding of flux
  1882. Connected conductors with cavities
  1883. Stress tensor basics
  1884. can clothes dry without any air movement
  1885. sound waves
  1886. Determining Heat of Fusion for Ice:Calorimetry experiment
  1887. Apparent Bycicle Paradox
  1888. Hard oscilations
  1889. The volume of a Singularity
  1890. Forces acting on pelton turbine foundation
  1891. What is the meaning of "degree" of temperature?
  1892. Perception of colors
  1893. Velocity at the top of the path
  1894. using centripetal force to fight lenz?
  1895. Electron Repel Distance?
  1896. thermopile
  1897. Impact force: scooter compared to Accord
  1898. Proofs in physics?
  1899. Inertia
  1900. overlapping lazers
  1901. Slider crank -- with a twist!
  1902. Force and Power ???
  1903. Focal lengths of lenses
  1904. Q's regarding Conceptual Physics
  1905. Fizzy drinks in zero gravity
  1906. Pressure and stress
  1907. Density of water
  1908. final velocity
  1909. mass and weight
  1910. Deduction of thrust force
  1911. Touching both terminals of a battery
  1912. Deduction of centripetal force
  1913. Coefficients of friction
  1914. Calculating decible increases
  1915. How to find static friction
  1916. Pressure created by clamping base and cover
  1917. Interception angle
  1918. What would a voltmeter read if it were connected between the surface of the cylinder
  1919. Light powered spaceship
  1920. Water drop microscope!
  1921. what is magnetism
  1922. EMF + Water = Sudden Acceleration Of Your Car?
  1923. Cherenkov Radiation for lighting
  1924. Mass, Inertia and Velocity Question
  1925. Question about gravity
  1926. Feynman and gauss integral
  1927. Calculating the change in flow rate with varied height.
  1928. does door lock size matters?
  1929. Question about loudness of sound
  1930. FFT Single slit diffraction
  1931. Nature of electromagnetic radiation.
  1932. Gravity as a resultant force?
  1933. Semi-Conductors
  1934. question about gravity
  1935. Women ski jumpers at a disadvantage because of their mass?
  1936. One of the most fundamental questions in electric currents (basic but very important)
  1937. Help me understand the energy of a phtoton
  1938. water pressure
  1939. The forces in an atomic nucleus
  1940. freezing point of flowing water.
  1941. Quick question about Bernoulli principle and resistance?
  1942. Helicopter hovering
  1943. Vibration Craft
  1944. Radiowave Absorption Formula
  1945. photon mass?
  1946. Reading a book in the infrared
  1947. Swimming in short wavelength waves and high wavelength waves
  1948. Dispersion
  1949. Joule Thomson Effect
  1950. Radar Flashlight
  1951. The strong force and E=mc2
  1952. Help finding time between two frames for collision detection
  1953. Resistivity of gold VS copper
  1954. Odd Square Wave...
  1955. Gaussian beam passing through a circular aperture
  1956. Degrees of freedom and RMS-speed of CO2?
  1957. Gravity question
  1958. Spoon Optics-Virtual Inverted image with a concave mirror
  1959. shape of light?
  1960. Would this experiment work?
  1961. Can a smooth ball be made to curve?
  1962. Electron double-slit experiment...transverse or longitudinal waves?
  1963. Electromagnetic Spectrum Wavelengths
  1964. Microwave heating with a lid on
  1965. effects of gravity on a pendulum
  1966. Creating an iPhone Physics Simulation...
  1967. atmospheric pressure in mercury
  1968. Speed of Sound
  1969. how do "zero g" planes work?
  1970. Time
  1971. solar flux
  1972. Tension question!
  1973. X-ray attenuation question
  1974. Baseball bat impact force
  1975. how does mass get there
  1976. colour temperature
  1977. Microwavable materials
  1978. Poisson dist. with small numbers
  1979. Question about moving Neutrons
  1980. Oil in Water
  1981. Michio Kaku, Parallel Universes, and Galactic EZ Bake Ovens
  1982. Newton's law of cooling from Stefan's law?
  1983. replace solar panels by thermopiles
  1984. what exactly is photonics
  1985. Light Reflection Program
  1986. There is a "magnetic friction force" in a dynamo?
  1987. ball and string
  1988. Bottle rockets on steroids
  1989. Reversed spectrum through prism?
  1990. what is magnetic force ?
  1991. what do DC magnetic fields do to salt water.
  1992. speed of light
  1993. Hitting a golf ball at a brick wall
  1994. Calculating velcoity around a corner
  1995. Moving in a lift and gravity. Yes the classic question but I can't understand
  1996. The bounce of a tennis ball (clay v. hard court)
  1997. absorption spectrum in chlorophyll
  1998. Centripetal forces effect on weight
  1999. Waves
  2000. Static Equilibrium
  2001. Motor selection
  2002. Convex Lens with light source (object) on optical axis Help
  2003. dBm and dB
  2004. Problem Dealing with Linear Angular Momentum
  2005. how to draw distance-time graph from velocity-time graph?
  2006. Effect of Doping on Fermi Energy....
  2007. I want to know that light has mass or not.
  2008. Kinetic Energy vs. Momentum in Projectile collisions
  2009. Trumpet physics
  2010. magnetizing force
  2011. What was Einstein looking for?
  2012. Will it ever be possible to create Matter from a large source of energy ?
  2013. Magnitude of acceleration on a ramp
  2014. Gravity Help
  2015. Quantum Information
  2016. uncertainty
  2017. Eclipse
  2018. Normal reaction
  2019. Is acceleration sufficient?
  2020. A Gravity Question
  2021. Torque question.
  2022. Centripetal force ?
  2023. centripetal acceleration
  2024. LDR Circuit Project
  2025. Basic kinematic physics equations do not make sense to me.
  2026. Mass vs distance
  2027. Changes in the flow due to moving bodies (Batchelor))
  2028. Ballistic Pendulum - Kinetic Energy vs Gravitational Potential Energy
  2029. magnetic fields and relativity
  2030. Torque, force and rotational acceleration
  2031. The Mechanism of Seeing...
  2032. eddy current
  2033. Can we 'feel' magnitudes of distant forces?
  2034. clarification on semiconductor physics in solar cells
  2035. Gravity in space
  2036. Where is infinity??
  2037. Question about light speed and something I'm having trouble understanding
  2038. Shoe Drag lab question
  2039. Voltage across a wire
  2040. Pi, momentum, and kinetic energy
  2041. Acceleration in a vacuum
  2042. glass as an insulator???
  2043. Object in a vacuum
  2044. A question about centripetal acceleration
  2045. Shm
  2046. Question regarding movement of universe
  2047. Catapult Ideas
  2048. Electricity and Magnetism Book...
  2049. Understanding an idea
  2050. Electron Splitting?
  2051. Neutronium (On Earth?)
  2052. Nothingness?
  2053. Do Electrons Attract AND Repel?
  2054. Physics Notation Help...
  2055. Helium 4 and photon ?
  2056. How do supersonic sources create sonic booms?
  2057. Force
  2058. Ozone heating the lower stratosphere.
  2059. location of an object moving in a circular path
  2060. SPHERE plus VORTEX
  2061. Physic Basic BASICS!
  2062. Why liquid boils when the envrionmental pressure equals its saturated vapor pressure
  2063. 3D Graphics Light In-Scattering
  2064. time arrow of Antiparticle
  2065. Finding Density of a Neutron
  2066. What is Colour?
  2067. Firing Neutrons at Neutronium
  2068. Help with Spin.
  2069. How to calculate collision sounds?
  2070. Determining the distance of a pipe by the length of an echo
  2071. what is the smallest reference of time
  2072. Wind resistance on an airsoft BB
  2073. Simple harmonic motion
  2074. Electric Sparks
  2075. Can any1 give me a formula for sound energy to electrical energy
  2076. Upward acceleration of submerged bubble based on radius
  2077. Atomic Collision
  2078. Circular Motion Time Graphs
  2079. Program for distance Measurement
  2080. Pressure and gravity
  2081. Holographic projector
  2082. Thought Experiment
  2083. static friction
  2084. Physical Interpreation of the Laplace Operator
  2085. Obit velocity vector variances, how it works?
  2086. Understanding Equipotential Lines and their relationship with Electric Field Lines
  2087. Latent heat of ashes
  2088. Are There REALLY Infinite Colours?
  2089. NOTE Newtons laws does NOT seem to work here
  2090. the question no one seems to know average force
  2091. Does the Heisenberg Uncertainty Principle make human teleportation impossible?
  2092. Satellite orbit
  2093. Why do smaller particles travel faster in gel electrophoresis?
  2094. Nuclear Reactions
  2095. Quantum Key Distribution (QKD) Optical Fibers
  2096. I want an Atmospheric Physist to guide me through an IT project.
  2097. why electron absorbs photon costs FINITE time?
  2098. A simple tasing question
  2099. Waves under Boundary Conditions
  2100. electron speed
  2101. Definition of electrical ground
  2102. Why is glass transparent?
  2103. Finading U-value for a wall
  2104. photon
  2105. Antiparticles?
  2106. Help with configuration/view/form factor
  2107. Magnetic Track + Superconductor = Rideable Hover-Board?
  2108. penetration depth!?!?!
  2109. Question about the brightness of light and the inverse square law.
  2110. what is decay length in particle physics?
  2111. Question about the Earth and Constant Angular Momentum
  2112. What is a Wave? (simply)
  2113. Gravitons are Massless?
  2114. photons and speed
  2115. Why are light waves from 2 separate light bulbs incoherent?
  2116. ultrasound machine
  2117. Clarification on Frictional Forces?
  2118. special relativity
  2119. LRC circuit , please explain this ..
  2120. Silly idea of BEC in any temperature
  2121. What if one stand in the middle of a composite boson?
  2122. incandescence vs. luminescence
  2123. solar sail acceleration
  2124. Alternate Current/Direct Current?
  2125. Entropy
  2126. What is negative pressure?
  2127. Effect of inclined venturimeter?
  2128. sound energy with relation to power formula
  2129. How to know phase difference will be of a light wave entering a thin film?
  2130. Calculating Newtons produced by Speaker
  2131. what causes things to BEGIN moving in a field?
  2132. Captain America's shield properties
  2133. Graph uncertainty
  2134. Entropy of an ideal gas using statistical thermodynamics
  2135. Does ether exists?
  2136. Positronic Circuits?
  2137. Anti-elements
  2138. What's the time?
  2139. Need a pair of forumlas to help me build a lifting platform
  2140. Questions re: absorption spectrum
  2141. Egg Drop Project
  2142. Dose unit Mrad(Si)
  2143. Dividing by Zero in Physics?
  2144. Impact Parameter
  2145. Calculating Turn Radius Change During Bank Angle Change
  2146. Why is energy flat?
  2147. diffusion of particles
  2148. Trajectory and C02 expansion question
  2149. how to relate power and sound give some formulas
  2150. Static and dynamic spring constants
  2151. negative light speed
  2152. P type semiconductor coil....
  2153. Question about Piezoelectric Crystals
  2154. Stability
  2155. Universal law of gravitation
  2156. Discharging a capacitor at a "battery like" rate
  2157. Hall Effect data
  2158. scalar potential in EM and Newton's Law
  2159. information travel faster than c ?
  2160. ElctronHole and PositronHole
  2161. center of gravity
  2162. where does energy come from?
  2163. Gravitational field strength at latitude
  2164. Battery potential energy versus mass
  2165. stationary waves
  2166. basic forces of nature
  2167. Megnatic Field Of Earth
  2168. Is there a buoyancy force or not?
  2169. Q about momentum
  2170. Program that will draw a(t) knowing x(t) in SHM
  2171. A gadget I dont know the name of
  2172. Buoyancy and reverse-submersion technique(s)
  2173. Heating water
  2174. Physical units and dimensions
  2175. calculating the value of resistors
  2176. Find an example, Dirichlet problem/ Harmonic Function
  2177. Two measurements on one electron at nearly the sametime but different place
  2178. First law of Kepler explained without mass ?
  2179. Does skin perpendicular to sun’s rays burn faster than if not perpendicular?
  2180. what is the different between general relativity and quantum gravity
  2181. An equation in fluid dynamic ~please help me ~
  2182. Vi=p
  2183. Chaos Lab Experiment
  2184. Degenerate fermi gas
  2185. Device that catches an egg!!!!
  2186. I made liquid oxygen today. I think
  2187. The affect of changing Light intensity on Resistance due to LDR
  2188. Charged can and spray water
  2189. The Millikan experiemnt!
  2190. Diffusion of water vapor in air
  2191. is there any way to prove Newton's law
  2192. Newton's Third law
  2193. Kinetic Energy in relation to the ideal gas law
  2194. Unit of the Green's function
  2195. Need help making a cloud chamber...
  2196. X-ray Ionisation Q's
  2197. What determines how light is reflected
  2198. The Compound Microscope
  2199. Uncertainty
  2200. Circular motion with light ?
  2201. Radioactive Decay is... Random?
  2202. Conservation of Energy and Inertia resist acceleration
  2203. Plot and share
  2204. 2.4GHz radio signal through small gaps
  2205. Gross force
  2206. 3D trajectory formula?
  2207. touch, surface interaction..
  2208. Gravitons vs. Relativity
  2209. Speed Of Light and Gravitational Force
  2210. [ Speakers for my Exhibition Room ]
  2211. frequency and penetration depth
  2212. Why can you slide on water?
  2213. Electromagnetic waves: Antenna length
  2214. D.c battries
  2215. Current electricity
  2216. Binding energy
  2217. Electromagnetic heating
  2218. Buoyancy in horisontal pipe
  2219. Why do objects accelerate?
  2220. Mass - Energy Equivalence
  2221. Problem About Induced Current on a planar manetoquasistatic System Of Wires
  2222. Voltage/Potential Difference
  2223. Can you see heat if you use Infra red filters?
  2224. Trying to reconstruct an accident
  2225. Highest Possible Temperature
  2226. Sine Wave Addition
  2227. Why does movement in waves produce harmonics?
  2228. accelerometer's angle from ground to sky
  2229. themodyanamics
  2230. Spin!?
  2231. RADAR SPEED CAMERAS and HOT DAYS
  2232. Magnetic Field generated by a wire
  2233. Light can't travel at the speed of light?
  2234. Electricity, anyone?
  2235. Soils, mud, dirt "Sticking" to glass?
  2236. hardness vs. density (for Elements)
  2237. Understanding Equations
  2238. Opposites Attract
  2239. traveling through a magnetic field
  2240. What happens when two masses touch?
  2241. series resonance circuit
  2242. equilibrium of torques
  2243. understanding electron and observer
  2244. Which variable(s) are adjusted for artillery targeting?
  2245. calculating uncertainty.
  2246. Two-car situation
  2247. Why does PI occur so much in physics?
  2248. Adjustive resistance using magnets
  2249. Car physic angular velocity.
  2250. Question about gravitatinal singularities and Shwarzchilds Radius.
  2251. thickness of lens and its focal length
  2252. acceleration and momentum
  2253. Classical Physcics VS Quantum Physics
  2254. generator+motor
  2255. parallel resonance circuit
  2256. Difference between F=qE and F=q(V*B)
  2257. three phase A.C supply
  2258. Is there anything other than sunlight i can use to see with my goggles?
  2259. Point charges in an equilateral triangle
  2260. Can potential energy be in the unit of Volts?
  2261. Shooting a bullet up into the air
  2262. when given the angular velocity, why not multiply by time to find the # of revs?
  2263. Changing Visible Light into IR and then back
  2264. Conceptual thermodynamics/physics question.
  2265. A Question about displacement
  2266. "Tapping" radiowaves for energy?
  2267. Max efficiency (thermodynamics)
  2268. Bouyancy issue
  2269. Reflection and refraction
  2270. What does infinity mean to a physicist
  2271. A high schooler looking for some complicated physics problems
  2272. Please help with a friction problem! (due tomorrow)
  2273. Incessance
  2274. Lines
  2275. function of units
  2276. What determines shape of dust nucleus?
  2277. Convection, conduction and heating problem
  2278. mobile "lights"
  2279. Pi and Einstein field equations
  2280. A box falls one metre and hits a womans head
  2281. magnetic field of a charged rod
  2282. Air Density: How to calculate Relative Humidity
  2283. Why can't someone who is myopic see reflections clearly?
  2284. Capacitor discharge: how is it measured?
  2285. Electronics
  2286. Modeling Formulas for Tubular Vibration
  2287. General
  2288. some questions about electric potential
  2289. electric potential question
  2290. question about current
  2291. Help with integrating the kinematic equations
  2292. Simple thrust measurement stand
  2293. f.c. analysis
  2294. Designing a Generator
  2295. Gamma radioactive decay of anti-particles
  2296. Driving Frequency
  2297. adding waveforms
  2298. photon ?
  2299. What exaclty is allowing these guys to defy gravity?
  2300. Function of W+, W- and Z bosons?
  2301. Mass/Weight on Scales
  2302. Is the space between the electron shell and nucleus a perfect vacuum?
  2303. Atwood Machine Lab Questions
  2304. Induced Drag Airfoil
  2305. Name of Shape
  2306. Adsorption of polymer question
  2307. Can One Make the atmospheric pressure to store energy
  2308. black hole and graviton's ?
  2309. Falling Objects With Different Mass
  2310. Unit Converter
  2311. Significant Figures
  2312. Atmospheric pressure... 1Atm or 100 kPa?
  2313. Pressure Due to Lateral Expansion?
  2314. "Hydrogen Is Positive"
  2315. What is Colour (in terms of Quarks)?
  2316. Force carrier particles... i.e. gravitons, photons
  2317. Voltage is the "Push on Electrons"?
  2318. Where do electrons come from in a circuit?
  2319. Mass - What makes something have it?
  2320. Entropy
  2321. Can a Moment propel?
  2322. Pressure change from cooling liquid.
  2323. What exactly the "time" is?
  2324. Stream break into droplet
  2325. Wing-in-ground-effect aircraft question
  2326. Electrical energy = electricity?
  2327. Mobile phone user hit by lightning!
  2328. Light And Blackholes
  2329. hydraulic pressure dropping bottle
  2330. Water bath with controlled temperature
  2331. inductance
  2332. Backpressure Compensation in Variable Orifice Flowmeter
  2333. magnetic field in a rotating magnet
  2334. Wires and potential difference
  2335. Physical intuition behind geodesics and parallel transport
  2336. Attracting small splinters of glass with a Van de Graaff generator
  2337. energy deposited by high energy electrons in matter
  2338. Heating and Cooling
  2339. Squeaky Friction
  2340. How does bass shake your room?
  2341. Science fiction 'Ringworlds'
  2342. Does the Riemman tensor and the covariant derivate commute?
  2343. Calculating power over a frequency band
  2344. How to find composition using Specific HEat
  2345. Magnetic attraction v/s induction ?
  2346. Olympic Advantage (High/Long/Triple Jumps)
  2347. Lightbulb differences
  2348. Floating Tensegrity Sphere
  2349. Cutting a Magnet
  2350. Perception of motion in a void
  2351. vibration
  2352. ELF waves and beyond?
  2353. Are water waves indicative of QED?
  2354. If light does not experience time, why does it take time to get here?
  2355. observing light
  2356. Quantum efficiency as a function of wavelength
  2357. sound waves propagated as transverse waves
  2358. thought experiment with magnets
  2359. "Ice In Boiling Water?"
  2360. Milk In The Coffee
  2361. Moving Target Lead Time ??
  2362. Quick question...
  2363. Confused about Voltage and Current
  2364. CD on glass casimir effect ?
  2365. Trying to understand potential energy with this tricky question
  2366. Creating static charge with a voltage source
  2367. Heat Dissipated By a Freezer's Condensing Unit
  2368. magnetic field from roting static charge
  2369. Is Hawking radiation responsible for the lack of parity between matter & anti-matter
  2370. Help!- Center of Mass/system of particles problem
  2371. Q about shapes of magnetic fields
  2372. How could you test that gamma rays spread out in different directions?
  2373. So everything ISNT particle based???
  2374. What is wrong with my derivation for the moment of inertia of a sphere?
  2375. Currents Carried by Transmission Lines
  2376. Physics question about deriving a one dimensional kinematic equation?
  2377. Calculation help?
  2378. band theory
  2379. Vapor from high-energy particle collisions?
  2380. Will light be trapped in a room full of mirrors?
  2381. Momentum and Kinetic Energy
  2382. What is Spin, Exactly?
  2383. Question about wire-grid polarizers
  2384. Steady state-circuits
  2385. travel back in time, with the help of light?
  2386. The affect of changing Light intensity on Resistance due to LDR
  2387. Why does long wavelength infrared not penetrate glass?
  2388. - manufacturing of oxygen analyzer sensor cell
  2389. Inelastic Collision with Friction and angle
  2390. Colder As You Go Up?
  2391. Measuring Electric Field Strength
  2392. center of mass and center of gravity different in non uniform gravitation field?expl
  2393. Error calculation
  2394. static charge
  2395. force messenger particles -graviton
  2396. FUNDAMENTALLY RANDOM occurrences in physics.
  2397. White light
  2398. dynamic vibration
  2399. Diodes in Electric Circuit
  2400. transformer ? and current
  2401. Pitch of sound: Elasticity vs Tension of string
  2402. Conductivity vs. Speed
  2403. Is the Earth loosing weight?
  2404. New tonrings
  2405. Classic Problems
  2406. Newton's 2nd Law
  2407. need help in statistical mechanics' canonical ensemble
  2408. What Dimensions Are There (in Physics)...?
  2409. Does Potential Energy = 0 at Earth Centre?
  2410. Rectifying an "conventional error"
  2411. Visualization
  2412. Gravity Field of earth ?
  2413. Water Dispenser Energy Conservation
  2414. Direction of friction force
  2415. Ionizing Air Guns
  2416. question about size of nucleus.
  2417. How to filter out blue light?
  2418. weak nuclear force
  2419. Is light "pure" energy?
  2420. A few really quick questions about light from a physics noob.
  2421. Energies in thermodynamics
  2422. Measuring Interference Experimentally
  2423. Another POV
  2424. Original ideas for a physics experiment
  2425. Final Help with Experiment!
  2426. Thermistor vs thermopile
  2427. light go faster then C?
  2428. Laser Power vs. Energy
  2429. Calculating Balloon Range and Altitude
  2430. RC car motor problem
  2431. Could there be a way to more easily release energy from atoms?
  2432. Puck Launcher Calculations
  2433. Energy Storage in Fundamental Forces
  2434. Electric generator calculations
  2435. Time taken for energy to transfer... ?
  2436. The Standard Model (What Don't I know?)
  2437. I'm stuck with my 'Balls in a vacuum'
  2438. A racing formula
  2439. Accuracy of the exploding asteroids in The Empire Strikes Back movie
  2440. What velocity to use to find momentum?
  2441. Why is the wind cool?
  2442. why cant conductors be charged by friction?
  2443. usage of calculus in physics
  2444. Magnetic box ?
  2445. Electromegnatic waves
  2446. Conservation of energy and momentum
  2447. Work is scalar
  2448. Inelastic collisions
  2449. Need help understanding off axis electromagnet field strength equation
  2450. a question in physics
  2451. Lighting Avoidance Device Question
  2452. Work required to move photons?
  2453. 2 Quick questions on Sound and echoes
  2454. Gyration of radius & e/m measurement
  2455. Smooth Movement to (0,0,0)?
  2456. 100% Efficiency?
  2457. Chaos theory and psychology?
  2458. peltier cooling ?
  2459. Why does the cricket ball swing?
  2460. Magnetic field lines of a moving electron
  2461. Magnetic Monopole
  2462. Number of steps distribution for a continuous time random walk with memory
  2463. Harvesting asteroids
  2464. Capacitor
  2465. Angular SHM of a dipole in electric field
  2466. Fire and liquid Oxygen.
  2467. Kinetic Energy Weaponry
  2468. Angular frequency
  2469. If you were giant, but everything around you was to scale physically...
  2470. Electrolysis and energy
  2471. Centripetal force basic questions
  2472. Optics: Dispersion
  2473. How do I prove this average force equation?
  2474. spring with mass
  2475. What is the nature of refraction ?
  2476. Sinificant figures
  2477. Newton's Third Law
  2478. Quark Combinations for Protons and Neutrons
  2479. Cosmological redshift and photon energy loss in SR
  2480. Electronics graphs
  2481. Microscopic reason why refractive index typically increases with frequency?
  2482. Specular Reflection on the Sea
  2483. the distance travelled in the Y-axis by an arrow
  2484. All Materials Exhibit Magnetism?
  2485. expanding spherical cavity
  2486. Help with a debate on atoms at work?????
  2487. Treadmill vs outdoor running
  2488. How does a normal pipette work?
  2489. Remember the debate about downwind vehicles
  2490. Adhesives that are friendly to the environment?
  2491. Distance between photons?
  2492. Carbon-12 Ion
  2493. Frictional accelerations greater than one G
  2494. Looking for an Einstein Paper
  2495. question from a non-physicist
  2496. Casimir Effect and Gravity Question
  2497. Can you make an object have a stronger graviational pull if you make is denser?
  2498. Basic questions about momentum
  2499. question about cornstarch/ non newtonain fluid
  2500. Shaft Speed Calculation:
  2501. cathode ray tube ?
  2502. angular velocity
  2503. Why does flux flow through ferromagnetic materials?
  2504. Determining force to crush an object using a pendulum
  2505. Fields
  2506. how much free energy have we got?
  2507. did Tsar bomba explosion seen in Finland ?
  2508. Why & How?
  2509. Can a potted plant kill?
  2510. Static Friction and Gravity
  2511. Does cartesian velocity contribute to Lat Long conversion?
  2512. Normal force changes
  2513. Calculating 3D Pressure from 2D Pressure
  2514. Fastest Wave Frequency?
  2515. Physics project on Piezoelectricity?
  2516. Ideas for making a Physics Demonstration?
  2517. Resistive forces on a submarine?
  2518. Right hand rule for electrons
  2519. Newtons from Bouyancy underwater comparing helium, oxygen, and hydrogen
  2520. Math for physicists.
  2521. Estimating discharge at the outflow structure of a lake
  2522. Weight of object as measured on spring scales
  2523. Adiabatic Process
  2524. magnetic fields
  2525. decanting one tank into another
  2526. Gravity ?
  2527. to calculate the amount/quantity of waves emitted by a magnetron
  2528. Poisson Ratio
  2529. Question about how collisions deal with force.
  2530. Gravitational constant?
  2531. Reverse Piezoelectric Effect - how much?
  2532. Velocity given centripetal force, accounting for friction
  2533. What (physically) to do in a falling elevator?
  2534. Scientist Wanted. (Los Angeles)
  2535. doppler effect to distance without using time-of-flight; can this be done?
  2536. Potential difference between conductors, such as capacitor
  2537. Orbiting around an object of variable mass
  2538. Theoretical problems with relativistic space flight
  2539. Density and pressure relationship
  2540. Simple momentum question
  2541. Quick Question on Harmonic Motion
  2542. Potential Difference in Series and Parallel circuit
  2543. 2 questions about sound - logic reasoning needed
  2544. What is the thermodynamics temperature scale?
  2545. Displacement of water for a boat and raft
  2546. Orthopedic Hardware
  2547. mechanical vibrations
  2548. Wave Equation
  2549. What's the relative speed of electricity?
  2550. analyzing the danger of electromagnetic radiation
  2551. momentum and kinetic energy
  2552. words
  2553. Strange behavior of the density of the water around the freezing point
  2554. Conic section
  2555. minimum speed of interaction of matter
  2556. Power (Watt) of Magnetron and Klystron
  2557. Fan and cold air
  2558. What Do Sound/EM Waves Look Like.
  2559. Moon's Gravitational Pull?
  2560. Induced Current (Magnetic)
  2561. Diffraction of a Laser
  2562. What were the requirement of a physics degree back in the early 1900s?
  2563. Materials and Eletromagnetic Waves
  2564. inorganic crystal structure theory for linear birefringenc
  2565. Violation of Snell's law
  2566. Interesting topics
  2567. Voltage Vs Pressure: Ideal Gases- not so ideal?
  2568. Coupleand Torque
  2569. Electric monopole radiation?
  2570. Cable tension
  2571. faraday's Law integral
  2572. Donor, Acceptor
  2573. Refractive Index
  2574. Problems resolved by a new technology?
  2575. Quench spreading on multiple coils superconducting magnet
  2576. Electron Shell Capacities
  2577. Why doesn't centripetal force change the magnitude of speed
  2578. Rad/s vs rev/min- label question
  2579. Do Electromagnets work Underwater?
  2580. Accelerating to the Speed of Light
  2581. clarification on position equation for simple harmonic motion...
  2582. Standing Waves
  2583. Homemade Cyclotron Help
  2584. Movie physics
  2585. Angular Speed Between 2 rims attached by a belt
  2586. Loudest SPL (and how easily it *could* be broken)
  2587. Neutron ?
  2588. alternating currents, what's the use?
  2589. electric current
  2590. electromagnet to repel neodymium magnet?
  2591. Confused about transformers formula derivation
  2592. Is it possible to calculate earth's massiveness
  2593. Renormalization
  2594. gas bulbs - avalanche effect
  2595. Possible scenario of some of the laboratory exercises for a class called Mechanics of
  2596. Why is 4C quoted as 400 amps
  2597. Solar Panels
  2598. Positive Hydrogen Ion = Proton?
  2599. Any other theory of gravity?
  2600. If a 10km Asteroid Impacted the Pacific along the equator
  2601. Constancy of light? Why the fuss?
  2602. I am confused about the orbital velocity
  2603. Acoustic test for the sloshing noise in a tank
  2604. Potential energy basic question
  2605. help calculating friction required steel on steel turning barrel
  2606. Electromagnetic Induction Help
  2607. Why do fingers stick to ice
  2608. Fermat's principle Math formulation
  2609. Electromagnetic Questions
  2610. Comparison of Physics Questions
  2611. 240 volts and 120 volts
  2612. My First Post: conciousness, the brain, gravity, the universe. Connections?
  2613. Helmholtz configuration with currents in opposite directions
  2614. light through glass ?
  2615. Specific Orbital Energy confusion
  2616. Force of gravity from different heights
  2617. metal balls connected with resistors to a battery
  2618. Speed of light in and out of vacuum
  2619. Tritium watch
  2620. Question about atmosphere pressure
  2621. effect on angular frequency in a sping mass system
  2622. Mark Whittaker says the dark matter cant cool
  2623. Magnetic Circuit practical
  2624. Why does heat pass from hot to cold?
  2625. AC voltage source in an open circuit
  2626. Please helpppp with lab...test on this...THANKS
  2627. Boundaries of the universe
  2628. compression springs
  2629. Question about Big Bang Theory
  2630. Why is electricty conducted through salt water?
  2631. 3 method to convert from ferro to parra ?
  2632. vacuum question
  2633. Visible domain
  2634. Conceptual physics
  2635. spectrum
  2636. What happens to water droplets and ice cubes at zero pressure?
  2637. Running on Gravel
  2638. Mass, Gravity and Attraction
  2639. Looking for a physics explanation of this observation
  2640. speed of sound in material under tension
  2641. Bullet Fired From Moving Train Scenario
  2642. Where does heat come from?
  2643. the height of a spring loaded pen
  2644. Hiroshima
  2645. Light Can Erode Matter?
  2646. Complete list of physics equations?
  2647. Speed of Light
  2648. what software can display the sound wave behavior in a more direct means?
  2649. HOW do radio waves form at the subatomic level?
  2650. Is water a particle or a wave?
  2651. Please recommend a path to study acoustics
  2652. Why multiplication?
  2653. Wax in my heating system instead of water
  2654. deceleration force question
  2655. i have an idea...
  2656. Vectors and Interpretation in Physics Calculations
  2657. proton accelerator
  2658. Suggestions for experiments with electromagnetism/ magnetic fields
  2659. electron bomb?
  2660. Iron core for Electrostatic coil
  2661. Help understanding a Yulmetyev article
  2662. Source of Gravity
  2663. Residual-current device & isolation transformer
  2664. Question about Flux through a closed surface
  2665. ghg emissions
  2666. Wave Nature of Light
  2667. Powered atmospheric re-entry
  2668. Can magnetic fields be focused to distant points?
  2669. A question about Joule's experiment
  2670. Is Anti-Gravity a myth?
  2671. Constant velocity of heat?
  2672. Helium Leak Detectors
  2673. Tangent Planes
  2674. Why do systems tend to favor the state with the lowest potential energy
  2675. On Newton's First Law of Motion
  2676. Finding the safe rotational speed of a carousel?
  2677. Using Black Holes for FTL travel
  2678. Light between mirrors
  2679. What is a Philips Gauge?
  2680. Momentum
  2681. Measuring high voltage
  2682. I need help in making a boat for a project!
  2683. Easily measurable non-linear physical relationships.
  2684. Meissner effect, thought experiment.
  2685. Electromagnetic Energy propagation
  2686. Negative Voltage Using Faraday's Law
  2687. Maser
  2688. Coulombs constant
  2689. Developed an interest in, Astronomy? Astrophysics?
  2690. Simple wiring query.
  2691. Fluid problem
  2692. How can magnetic field lines "snap"?
  2693. Cauchy equation
  2694. Refractive index
  2695. KE vs momentum
  2696. noob question please help - antigravity
  2697. Circuit questions (polarity and LEDs)
  2698. Question on frame of reference
  2699. Help understanding EM waves
  2700. Torque required to rotate a composite structure
  2701. Torque required to reduce the speed of a rotor?
  2702. Why periodic phenonena?
  2703. Supercharger power requirement
  2704. Depth of Field needed for Fraunhofer Pattern
  2705. About light
  2706. Audio, how to make microphone unidirectional?
  2707. Research question about magnetic properties of iron
  2708. Wind Turbine Design
  2709. Why are Iron, Cobalt and Nickel Magnetic?
  2710. Summer break experiment Fun!!
  2711. Explanation for the Fountain effect in superfluids
  2712. General physics help
  2713. DC Circuits: Inductors
  2714. centripital force on 3d bodies
  2715. Passive Sign Convention
  2716. Heat transfer and GPM
  2717. vacuum pumps
  2718. RLC: Natural and Step Responses
  2719. Light coming off a mirror ?
  2720. X-Ray Refraction
  2721. Drawing free body diagrams
  2722. Point of detachment
  2723. Being shot by a bullet in space. Damaging? Why/why not?
  2724. Computer/System Security + Sencond Law of thermo
  2725. right hand palm rule and right hand clasp rule
  2726. diffusion of water vapour in air
  2727. Circuits with different LEDs?
  2728. Diminishing Gravitational Acceleration with Distance
  2729. How to find the mass of one cell using centrifuge data?
  2730. An extremely Novice energy question
  2731. Power loss in cables
  2732. Nuke in volcano
  2733. Dimensional reduction
  2734. Difference between Mass and Weight?
  2735. Tire and sand?
  2736. Monte-Carlo
  2737. Does typical Sun Light usually contain all EM spectrum?
  2738. Electric Quadrupole
  2739. Aircraft Simulation for beginners
  2740. Copy & Paste TI-84+ Silver Edition
  2741. Dampening effect on a pendulum
  2742. Water displaced against surface area
  2743. Simple harmonic motion (doubt in the derivation of equation)
  2744. How does a vacuum tube get hot?
  2745. Where can i get Quizez on Finding the Resultant of Vectors ?
  2746. Why is a rough surface a good absorber and radiator of infrared?
  2747. Why is iron magnetic and copper is not?
  2748. experiment about corona discharge
  2749. So, oscillating an electron...
  2750. Current in superconductors
  2751. Force
  2752. Beyond the EM spectrum
  2753. Attracted to the opposite side of the earth?
  2754. Describing the motion of feet while running
  2755. Why don't black holes disconnect themselves from the universe?
  2756. Standing waves on a guitar
  2757. Force needed to reach Lagrange Points
  2758. What is the amplitude of the subsequent oscillations?
  2759. Vulnerability of Space Shuttle to Impact by Meteor
  2760. Salt melting ice.
  2761. KE of Gas Molecules
  2762. force between two magnets
  2763. What is it?
  2764. UV disinfection in water treatment
  2765. Funny question in Physics
  2766. Meissner effect question
  2767. gravitational acceleration of a satellite
  2768. Solar Power Requirments
  2769. Wind Power
  2770. Altimeter, accelerometer
  2771. Need help on ball spinning
  2772. Fusion
  2773. Frames and magnetism
  2774. Linear Generator
  2775. Is countersteering a necessity?
  2776. Magnets to stop car crashes.
  2777. microwave auditory effect ~
  2778. Aerodynamics question for lab
  2779. Magnetic flux generated by a motor coil
  2780. Why does air escape through a pinched ballon?
  2781. A question about heat transfer
  2782. Handling particles
  2783. I accidentally dropped a 1 kg object on the ground
  2784. aerodynamics - advice on topic for personal researche...
  2785. Questions about space
  2786. questions on physics articles in journals
  2787. Thought about gravity
  2788. Antimatter
  2789. Using Gravity to obtain relativistic speeds...
  2790. Focusing Light
  2791. Questions regarding exotic weaponry based in "the new physics".
  2792. Microscope field of view & depth of field/focus (confocal microscopy)
  2793. question about Newtons third law
  2794. energy siored in an inductor
  2795. convoolution of phase diagrams
  2796. Moments
  2797. Can our eyesight framerate capability be improved through reverse magnification?
  2798. Non existant time
  2799. lenzs law
  2800. How can ~100% of any mass be converted into energy WITHOUT the use of anti matter?
  2801. Why don't race bikes have a high CoG?
  2802. Nothing?
  2803. van de Waals equation
  2804. space ?
  2805. just a little thought...
  2806. Energy conversion
  2807. Confused about light!!
  2808. Oxygen free oven?
  2809. Photo-atomic Refrigerator
  2810. Diverging Optical Filters
  2811. Diffusion and Dispersion
  2812. Retardation of a Balloon's Vertical velocity
  2813. Single body gravitation
  2814. How much force is needed for "Super Jump Shoes"?
  2815. Wheel illusion...
  2816. What is light?
  2817. Does it take a long time or a short time for gamma rays to reach the photosphere
  2818. Attenuation Coefficient
  2819. Petrol engine efficiency.
  2820. Is there such thing as rest mass.
  2821. evaporation rate
  2822. The Science of Magic (Seeking Help)
  2823. Help on Quantum Statistics Topic
  2824. How is light produced
  2825. Hydrogen Discharge tube
  2826. What is buoyancy?
  2827. How is light produced
  2828. Optics - Ray tracing and images
  2829. Diverging lenses + mirrors
  2830. Electrons and Photons
  2831. Perpendicular Acceleration
  2832. electrostatic potential
  2833. oppositely charged parallel plates...I don't get why...
  2834. What happens to wavelength and frequency when a wave changes velocity
  2835. Nonlinearity of Piano hammers help
  2836. Why do ions flow from high concentration to low concentration?
  2837. Active and passive drag
  2838. 6) How does computer software plot magnetic field lines?
  2839. How do polarizing filters work
  2840. How was this Naval ship raised?
  2841. why do we lean towards left..
  2842. Double slit diffraction
  2843. Does heightening a sofa increase strain in the centre?
  2844. How to Find the Center of a Ball Moving Forward
  2845. time for an object to fall
  2846. Light polarization
  2847. Do types of electro magnetic radiation exist that we can not detect?
  2848. Birefringence color chart
  2849. time dilation in relation to earth time
  2850. superconductor:monopole
  2851. Why does looking at things from a small hole make it more clear?
  2852. Help & advice need on how fs laser beam propergate in glass
  2853. how to describe the 4th dimension?
  2854. Will this flow the same?
  2855. Challenge: measure body weight without bathroom scales
  2856. the answer of a "2 sig" calculation 0,098 = 0,10 ?
  2857. what is light?
  2858. Particle Colliders and Collision Energy
  2859. Fluid dynamics and pressure type question.
  2860. Noob's Questions about Electromagneticism
  2861. Redirecting Wind
  2862. Measuring airflow w/handheld anemometer
  2863. photomultiplier tube
  2864. Is Free Air Compressible?
  2865. photocell
  2866. capacitors
  2867. What is fourier number??
  2868. Searching Samples for X-Ray Analysis
  2869. Newtons Constant Help
  2870. mass spectrometry
  2871. Impulse when 2 bodies stick together?
  2872. Applications of Symplectic Geometry
  2873. Can a nuclear explosion be vectored?
  2874. Microwave Phenomenon
  2875. Fun Way to Learn About the Large Hydron Collider!!
  2876. wavelength
  2877. Cantileverd Paper Tower
  2878. energy conversion question
  2879. Relative?
  2880. Bulbs in Series
  2881. human body movement equations
  2882. Highest point an object can travel?
  2883. Speed of light...
  2884. Two Parallel Beams of Light Pass Each Other At What Speed?
  2885. rotation of the earth
  2886. Whirling Rope
  2887. An egg story
  2888. Lines of electric field
  2889. S vs P polarization
  2890. Electromagnetic Radiation and Heat Transfer
  2891. what determines distance a baseball will travel when hit?
  2892. Atomically flat vs Optically flat
  2893. Remmendation of book for a freshman
  2894. pressure gain from water dropped from a height
  2895. a=F/m with a plastic and real golf ball
  2896. Magnetic Moment ?
  2897. Proximity of permanent magnet increases toroids inductance?
  2898. ablimation
  2899. How much energy is needed to evaporate 1 liter of water in 5 minutes?
  2900. An old theory of mine was scientifically proven recently!
  2901. Role of Concepts in describing observations of concrete objects
  2902. Speed of Light Thought Experiment
  2903. Gr. 12 Physics Project Ideas?
  2904. Inductive Current Help
  2905. Calculating resistance from voltage drop
  2906. Confusing/tricky question about force
  2907. Crookes tube ?
  2908. Evaporation and heat transfer coefficient
  2909. Frequency Response
  2910. First law of Maxwell
  2911. magnetic lens
  2912. E-field and H-field in a waveguide
  2913. Sorry if this is too basic but we've all got to start somewhere......
  2914. What's it like if I were standing on earth's axis?
  2915. the math or physicality, wich one leads?
  2916. Hydraulic press and compressible fluids
  2917. Queries on Maxwell's Equations
  2918. Why ultrasonic waves are used for ultrasounds?
  2919. differentiating with units ?
  2920. Why do things spin?
  2921. Understanding Precession ?
  2922. Magnetism
  2923. invalidation of Newton's law
  2924. Is time travel possible?
  2925. E=mc²
  2926. Resistor or Inductor?
  2927. formula of physics
  2928. Power and elevators
  2929. physics:imp. qu. for CBSE-XII
  2930. Explosion to the moon
  2931. D4h symmetry group.
  2932. Magnetron/Klystron Question
  2933. New Energy (Audio)
  2934. Finding net forces when 3 charged objects are involved
  2935. Why do the magnetic force does no work?
  2936. Mathematical Prerequisites
  2937. blood pressure and atmospheric pressure
  2938. Is this product claim impossible according to the laws?
  2939. pnp transistor voltage/current graph
  2940. Buoyancy and Swimming
  2941. Methods of Proofs
  2942. Journal paper
  2943. Standing waves
  2944. Why is voltage like pressure?
  2945. Why does Steam Effusing Through a Oraface Generate Static Electricity
  2946. Earth-like Gravity.
  2947. Reflection loss during absorption spectroscopy
  2948. conductivity reference charts
  2949. Work hardening
  2950. Great Turkish Bombard vs. a tank
  2951. Bypass current of parallel conected inductor/diode
  2952. energy in standing waves
  2953. Resistors in front of capacitors
  2954. Lenz's Law and conservation of energy.
  2955. Quadrupole ion trap vs. Penning trap
  2956. Obscure Magnetic effects on copper wire
  2957. Question about Piezoelectricity...
  2958. Flux and gauss law
  2959. Charged particle flying into an electric field
  2960. Mythbusters Mistake
  2961. Noether's Theorem, Symmetries & Lorentz/Poincare Group Self-Study - help?
  2962. How can hydrostatic pressure drop to zero?
  2963. Is it possible to build a vertical particel accelator?
  2964. the gulf oil leak
  2965. Why stars blink and planets don't
  2966. What is kg wt?
  2967. Ray tracing rules
  2968. will a black hole revolve around a non-black hole object with greater mass?
  2969. Refraction/Defraction/Reflection
  2970. all physics laws in one equation, which?
  2971. driving frequency
  2972. Force on a body through air pressure
  2973. Double slit ?
  2974. Black hole ?
  2975. Energy Consumption of an Old-Fashioned Icebox
  2976. Comsol-Help needed with expressions and scaling
  2977. What is the name of the quantity "P"?
  2978. rotational inertia
  2979. Magnet strength and distance
  2980. Loss of heat from magma of Earth
  2981. Stuid Question
  2982. Benford's Law And A Theory of Everything:
  2983. Combination/Convergence of Laser Beams On A Singular Focal Point
  2984. Name the forces involved.
  2985. Difference between work and heat in thermodynamics
  2986. What's special about 3 dimensions?
  2987. Rotation of a point particle?
  2988. Quick question about Microwave radiation
  2989. How to Measure Force
  2990. Physics In The Movies
  2991. Inverse-square law
  2992. Physical limitations of electromagnetic induction ...
  2993. Work and Energy
  2994. General question about center of mass
  2995. Photons per square CM
  2996. Rotation- is axle or wheel rotating?
  2997. blondels thorem
  2998. Questions about Activated Charcoal
  2999. Inclined plane acceleration
  3000. Atom ?
  3001. How can you measure compressive strength?
  3002. gas and aluminum
  3003. electrons magnetic field
  3004. Basic Question About How Matter Absorbs Light
  3005. The weight of a frozen object
  3006. Interesting problem (not homework)
  3007. Speed of light through a prism
  3008. Mirrors, Atoms and Light Question
  3009. How can water pressure be measured in "m"
  3010. velocity vector
  3011. Plasma Physics
  3012. Violation of Kirchhoff's Laws for a Coherent RC Circuit.
  3013. Calculating EFL of a Three Lens System
  3014. Freefalling laptop
  3015. Diffraction and Huygens sources
  3016. Gravitational Potential Energy
  3017. Siphon in a vacuum?
  3018. For the different wavelengths of radiation, what do the wave crests correspond to
  3019. Were should i start learning?
  3020. 90KJ railgun
  3021. Determining Tire Pressure
  3022. What wheel moves faster?
  3023. Fresnel equations
  3024. Food and physics?!
  3025. how to pick theta while resolving vector.
  3026. Direction of Pressure
  3027. will nuking jupiter start a helium/hydrogen fusion reaction?
  3028. Wave freq vs freq of its oscillating source
  3029. How does buoyancy cause this wheel to spin?
  3030. Difference between enthalpy and internal energy
  3031. Signal background ratio
  3032. Oblique collisions
  3033. How big is the electric force in ion engine?
  3034. Lift and Drag from Pressure Distribution over an Air Foil
  3035. Phase shift
  3036. Hydraulic problem , Water Main
  3037. Kinetic energy of N solid bodies
  3038. Water water everywhere
  3039. why is it that diffraction is greatest when slit is close to size of wavelength?
  3040. The World Doesn't Revolve Around You
  3041. Compton scattering
  3042. with what materials a strenght can a constant volume be kept under water pressure?
  3043. How do IR goggles work?
  3044. Here's a question i hope someone can answer..
  3045. Magnetic field ?
  3046. Double slit ?
  3047. Bouncing Ball Equation
  3048. How does opening a window change the air pressure of a bedroom?
  3049. Oil, Candy, Millikan?
  3050. magnetic field index of refraction
  3051. Can Anyone Help Me Understand Kinematics???
  3052. Electric Current clarification
  3053. Ammeters and Voltmeters
  3054. Hertz and polarization of EM waves
  3055. Ac Motors
  3056. Single and double slit diffraction formulae
  3057. vacuumed container
  3058. Waves
  3059. Using capillary action to generate energy
  3060. Initial Velocity of a Soccer Ball
  3061. electric potential
  3062. behaviour of accelerated object in fluid chamber with perforated bottom
  3063. If energy is never lost where is it?
  3064. Nitrogen powered plane?
  3065. Energy in scuba tank moving a car?
  3066. What are the physics in a kaleidoscope?
  3067. Incredibly Difficult Egg Drop Challenge
  3068. Physics of a Saxophone
  3069. Why does oil show so many colors?
  3070. Harmonic average and electromagnetism
  3071. Why don't the moon crash down to earth?
  3072. Flux of particles through a sphere?
  3073. Force to keep a Object in Orbit
  3074. What happens to matter that isn't vibrating?
  3075. Bathtub Vortex
  3076. phase space
  3077. light out of phase?
  3078. Conversion for maximum and minimum pressure in South African water reticulation
  3079. Solar Cells
  3080. Tidal Power and Conservation of Energy
  3081. Oscillations - A puzzling demonstration
  3082. Semiconductor lasers
  3083. Art student looking for messed up calculation sheet
  3084. Laser coherence
  3085. Effect of reynolds number on flow in wave tank
  3086. Ideal Transformer
  3087. Climbing Anchor Equalization
  3088. Space Ends
  3089. Acoustic "Frequency Hole" -- How does this work?
  3090. Mechanics - massive pulley, Atwood machine or similar
  3091. How to find energy value of this frame equilibrium?
  3092. Building a bridge outta balsa wood- three arches or one?
  3093. Light as a wave?
  3094. Energy required per day for survival by an individual
  3095. How to Find the acceleration from 3-axis accelerometer?
  3096. A ambiguous variation of Einstein--Hilbert action
  3097. What does electricity & magnetism travel through
  3098. Mass to energy conversion in living beings
  3099. Plot 2d trajectory
  3100. scattering of light
  3101. Does Newtons 3rd law corespond with pressure?
  3102. If velocity is subjective to an observers frame of reference?
  3103. Looking For A Solid Material Light Diffuser - Terminology?
  3104. Gravitational waves?
  3105. point charge in a conducting plane
  3106. What pressures can a human survive in?
  3107. Why isn't wind hot?
  3108. Kinematic equation looks like a Taylor series
  3109. heat element, atomization, portable, melt tank
  3110. Quick question about centrifuge?
  3111. How small can you go
  3112. Sound barrier
  3113. UBER EASY QUESITON: just need to make sure...
  3114. Man in the moon
  3115. Solving the Equations
  3116. Nuclear physics and the oil spill.
  3117. Direction of Tree Branch Growth
  3118. rotational relativity problem
  3119. psi --> pounds lifted?
  3120. magnet lifetime
  3121. Physics behind the Coanda effect
  3122. Wavelength limits of Planck's Law
  3123. Does Mass Increase with Height?
  3124. Spinning Compass...
  3125. Will two out-of phase lights cancel out?
  3126. Clarification on 1st law of thermodynamics and e=mc^2
  3127. Maximum Acceleration of a Bullet
  3128. suggestion of physics
  3129. zeeman effect ?
  3130. Stars and visible light
  3131. Visibility of IR light from remote controls
  3132. Flame temperature based on colour
  3133. external magnetic plane
  3134. Musical instrument confusions.
  3135. Light Regaining energy?
  3136. Parameterizing frictional energy losses in pressure waves
  3137. Electron Gun ?
  3138. Few questions about heat?
  3139. Mass and Energy "Stuff"
  3140. Increase reflector output?????
  3141. Fit - Error Contours
  3142. Gravitational Constant
  3143. does electron oscillate in vaccum?
  3144. Effiency of Wave Power
  3145. why milk boil n overflow?
  3146. erm.... just things that i wonder...
  3147. electric potential
  3148. About the shperical coordinate
  3149. Convert g-forces to velocity?
  3150. In Science what usually comes first - Theory or Experiment
  3151. Power line inductance on an electric fence
  3152. How is momentum conserved here?
  3153. Linear momentum in a pipe with a 90 degree curve...
  3154. Raman effect Issue
  3155. How far away is a plane in the sky?
  3156. Measurement problem -basic definition.
  3157. When time slows down for us on Earth, are we traveling closer to the speed of light
  3158. Mass and Density relationship
  3159. What blocks a magnet's pull?
  3160. Converting Elastic Collision to Inelastic
  3161. photons governing the electromagnetic field
  3162. time constance "capacitors" electricity
  3163. New finding with matter/anti-matter?
  3164. Why don't electrons turn into black holes?
  3165. Anthropic Principle Interpretations
  3166. Destructive Interference and the Conservation of Energy
  3167. Question help (not homework)
  3168. Discontinuity of Spacetime (and other things)
  3169. Why do forces make an object move?
  3170. describe surfaces of equal pressure in a rotating fluid
  3171. Energy From The Nucleus
  3172. potential ground and electric charge
  3173. The maximum speed due to gravity?
  3174. time requried to charge and dis charge
  3175. Penetration Perturbances
  3176. Light seems to bend around objects but why?
  3177. Wind Farms and potential
  3178. Intensity of LEDs
  3179. Water flow and pressure to fly
  3180. Calculating heat of compression?
  3181. person's hidden sound wave
  3182. Sound Frequency Gravitation?
  3183. Is there any major wind turbine project currently taking place right now in Canada?
  3184. help with electroplating please! :)
  3185. Conservation of momentum and energy question
  3186. What is the 4th dimension?
  3187. Why is turbulence so little understood?
  3188. vacuum vs volume
  3189. Electric field and electric potential doubt
  3190. Anyone know a thing about propellers?
  3191. simple strong force question
  3192. Other Special Speeds? (than light)
  3193. about light interacting with matter
  3194. Determining the Temperature at which breath condenses
  3195. If Mass can be turned into energy, can enegry be turned to Mass?
  3196. Quick question about an object hanging from a string?
  3197. Weight Displacement?
  3198. Can't we say vector or scalar quantity is relative thing!!
  3199. Undergrad project ideas (energy/geophysics)
  3200. Light waves? Particles? Why?
  3201. Physics of Pizza Tossing
  3202. Near ballistic light/photon interference
  3203. Neutrino Black Holes?
  3204. How Digital Multimeters Work
  3205. Could a fish swim faster than sound?
  3206. what is this equation all about ?
  3207. Is H2O magnetic?
  3208. Confused about Newton's third law again?(Doc Al and others help)
  3209. Why dont magnets around earth fly towards the earths magnetic poles?
  3210. smashing electrones
  3211. THE CENTER of The Milky Way Galaxy!!!
  3212. Thermal radiation experiment, question
  3213. Alternatives to Quantum Mechanics?
  3214. Essential physical problems
  3215. radio wave ?
  3216. dipole radiation (Terahertz generation)
  3217. Rayleigh waves
  3218. Quantum mechanics vs Classical mechanics
  3219. antiparallel magnetic fields
  3220. How long can a light ray travel
  3221. What does this -- "^" mean when it is over a value?
  3222. Seismic waves
  3223. Gravity waves
  3224. Gravity wave
  3225. Quick question about elastic potential energy?
  3226. Ground state hydrogen parallel to the double slit experiment?
  3227. Dropping and launching space shuttles
  3228. Matrix Indexing please help?
  3229. Contradiction in Maxwell?
  3230. Functions to describe object falling in the water
  3231. Conductors and Inductors?
  3232. Urgent - fiber optics illumination system
  3233. How does the conservation of momentum explain this?
  3234. Is it possible to get electrocuted by touching this electric line?
  3235. Which is easier to learn, QM or GR?
  3236. loop radius
  3237. air in mercury ?
  3238. Zeeman effect
  3239. What does a light 'filter' do?
  3240. Single slit diffraction minima formula misunderstanding
  3241. Big Wheels or Small Wheels
  3242. Relative velocities at ends of rod
  3243. waves caused by bodies falling in water
  3244. Q I can not find the answer
  3245. Traveling 60mph, is it really 88 feet/second?
  3246. Gyroscopic forces in motorbikes.
  3247. Do electromagnetic waves lose energy as they increase their distance?
  3248. Modelling a capacitor discharging
  3249. Frequency dependant dielectric expression
  3250. Electric Field
  3251. Sound waves
  3252. Can AC Induction be Harmful?
  3253. looking for formula to equate force to oscillation frequency/length
  3254. unit conversions - ideal gas
  3255. Torque Calcuation
  3256. Gravitomagnetism
  3257. Teacher's teachings are questionable
  3258. I am entering college majoring in physics, are there any projects anyone recommends?
  3259. P.S.I. in a pipe
  3260. Pulley question ?
  3261. Doubts from "light as wave"
  3262. How can I calculate a force from?
  3263. gyroscope
  3264. Shockwaves and Pressure
  3265. Resonant frequency vs Natural frequency
  3266. 2D assumption in a rectangular duct
  3267. Value of drag forces in air?
  3268. How to calculate the acceleration of a longitudinal wave (seismics)
  3269. Mirages on road
  3270. Photons
  3271. calculate rotating force
  3272. Tornado Vortex
  3273. Cool Physical Phenomena Objects?
  3274. Nitrogen tube in microwave ?
  3275. 5th State of Matter
  3276. simple coefficient of friction question
  3277. Automobile wheel forces?
  3278. Coulomb Potential Energy - discrepancy between like and opposite charges
  3279. Light: Speed and Sight Dilemma
  3280. Ferromagnetic Pillar Calculations
  3281. Speed of airplane engine
  3282. A.C Generator
  3283. potential and potential energy
  3284. Split HHO?
  3285. Limits of information transfer through light and sound
  3286. SWL to secure engine onto a flatbed trailer
  3287. Non uniform charge distribution on conductor surface
  3288. Calculating a Parachute Descent
  3289. Turbulent boundary layer in a duct
  3290. Classic airplane vector problem issues
  3291. Solenoids with a hollow core cylinder.
  3292. Need suggestion for preparation of M.Sc. in physics
  3293. Coulombs constant
  3294. What Are The Basic Physics Principal For GPS, TV and Radio?
  3295. Gravity evidence
  3296. smallest stable particle?
  3297. The mystery of the tangent and the radius... fluid in spiral pipe on rotating disk
  3298. What is a 'Gravitational Slingshot'?
  3299. about hologram technology
  3300. The hologram effect
  3301. About Transformer
  3302. Gravity
  3303. angle of sun - maximizing sun exposure
  3304. interesting physics applciation
  3305. electric generator
  3306. Scanning Electron Microscope Images
  3307. Entangled “Frankenstein” Photons
  3308. Centripetal force- Car making a turn
  3309. Why does ice have no friction?
  3310. Magnet science
  3311. Question about acceleration?
  3312. Is blue shift a potential problem for near light speed travel?
  3313. Why doesn't infrared radiation travel through glass
  3314. correction formula
  3315. home made desale plant
  3316. Centripetal Acceleration on an Inclined Plane
  3317. How mass affects projectile motion
  3318. Hot Air generation
  3319. holography
  3320. Why Uranium?
  3321. Interference pattern with some fringes missing
  3322. Objects with no mass
  3323. Jump higher?
  3324. hydrodynamics (related to the oil leak in the Gulf)
  3325. Question about the average force?
  3326. Potential of a long charged wire
  3327. Carbon Ion
  3328. Equilibrium in the Human Body using Torque
  3329. Physics Theorem?
  3330. 3-D interference pattern
  3331. How do you find the B field between finite wires?
  3332. circular polarization through a linear polarizer!
  3333. What is the resistance of a non-ohmic resistor in v-i graph
  3334. Initial Acceleration of a motorcycle
  3335. Very quick question about lift and apparent weight?
  3336. Mirage ?
  3337. tire Forces
  3338. gravitational filed
  3339. Am radio disturbance
  3340. Amplitude of a particle
  3341. Illuminative Thrust
  3342. GARFIELD on Ubuntu ?
  3343. Sci-fi novel help
  3344. driven oscillator mechanism -
  3345. Question on calculating speed
  3346. potential and potential energy
  3347. Single molecule fluorescence
  3348. Does a photon experience time?
  3349. Asteroid Impacts on Deep Watery Planets/Moons?
  3350. The strength of fundamental forces
  3351. Trying to link linear and rotational dynamics
  3352. How to get up/gravity-vector from 3-axis accelerometer data?
  3353. Ray Tracing
  3354. Vibrations.
  3355. Fluids in Equilibrium
  3356. kW and kWh
  3357. Confused to the max! Re-aranging equations.
  3358. Dominoes zero loss
  3359. Bomb Calorimeter with warm water and dry ice - Mass loss?
  3360. According to Thermodynamics Everything should Pop into Existence?
  3361. capacitor charging/discharging for R=0
  3362. Silly idea?
  3363. Magnetic field through ferrous material and across air gap
  3364. Transmitted colour of a solution
  3365. Question on time
  3366. mixing of light ?
  3367. Spring Launcher
  3368. Bouncing back or blocking high frequency sound outdoors?
  3369. Slowing down the earths rotation and changing the moons orbit
  3370. Time relative to speed?
  3371. Question about Moon's Orbit
  3372. Question about displacement
  3373. Car on a Banked Curve (no friction)
  3374. Can a highspeed camera show a laserbeam moving?
  3375. question about conservation of angular momentum around an axis
  3376. Physics of the Brachistochrone
  3377. Magnetic fieldstrength, magnetic flux, magnetic flux density
  3378. Instantaneous Deceleration
  3379. 'Close Encounters' and Galaxy formation
  3380. 2D motion, asking for distant land,
  3381. A problem of Cartesian diver
  3382. Spinning leaking drum motion in zero g
  3383. Distance vs. Displacement?
  3384. Ascension rate of balloon
  3385. How does a generator produce AC current?
  3386. Question about angular momentum?
  3387. Adding vectors?
  3388. rayleigh scattering ?
  3389. mixing three water quantities at different temperatures
  3390. Candle question
  3391. Tension
  3392. Friction
  3393. Optics
  3394. Motion driven by force
  3395. Kinetic Energy
  3396. Energy Consumed Versus Energy Returned
  3397. Possibilty of creating strong flash without high heat
  3398. Hologram of a car or skyscaper.Is it possible?
  3399. Radar and Sonar
  3400. bicycle gear ratios for maximum efficiency
  3401. Frequencies on a violin string
  3402. help with electromagnet
  3403. Shaft Rotation Analysis
  3404. Electrolysis of water rocket
  3405. Help required for surface reflection circuit (IR-LED/ PHOTODIODE)
  3406. How would one caclulate the G forces of the slingshot effect?
  3407. proportional relationships
  3408. Ridiculous falling out of an airplane scenario
  3409. Vacuum Energy
  3410. The maximum height within a bowl using friction.
  3411. magnetic field ?
  3412. Not An Overunity Question
  3413. Physics of baseball at Coors Field, Denver
  3414. The gas laws are wrong!
  3415. Where are the Linear Generators?
  3416. How do you explain this?
  3417. Tornado Defense
  3418. Breaking laws
  3419. Calculating Velocity and Its Signs
  3420. Gyroscope
  3421. Creating Electricity From Magnets
  3422. Eulerian Method for Vlasov-Poisson System
  3423. Magnetism and photons
  3424. Help trying to calculate forces from Pro Wrestlers
  3425. Cylindrical Light Intensity
  3426. Philosophy Professor on Physics? :s
  3427. question on bulb and brightness
  3428. Gaussian beam
  3429. Entropy and Dust!!
  3430. quirky and hopefully fun physics question about specific heat/thermal conductivity
  3431. Power issues with power drill physics help needed please
  3432. Electron as a wave medium
  3433. Time varying magnetic field and electron
  3434. A 'What if?' question.
  3435. Another "what if" Question concerning gravity
  3436. question about velocity change
  3437. Displacement and distance!
  3438. How much force is required to jump?
  3439. How does infa-red heat things up?
  3440. capacitance, voltage, distance and charge?
  3441. magnetic field
  3442. Lens questions from a software engineer
  3443. dense non-sticky fluid
  3444. Have electromagnetic waves any polarity?
  3445. Roller Coasters--help a writer out?
  3446. k-dimensional brownian motion
  3447. Axiomatic Systems & Modern Physics
  3448. What units does incident light have in UV spectroscopy
  3449. UV Spectroscopy - Absorbance vs transmission
  3450. Infrared Absorption/Transmission Spectra of different types of glass?
  3451. how is gravity the weakest force?
  3452. What is the acceleration of sound and what is the difference between acceleration an?
  3453. Foucault Pendulum
  3454. Why do waves(in general) travel in different frequencies?
  3455. Wrapping my mind around vectors?!
  3456. Gravity is constant?
  3457. Speed of Light
  3458. thermionic diodes ?
  3459. charge displacement through a conductor
  3460. Momentum transfer from a transiting bullet
  3461. what does this symbol mean?
  3462. is electric potential conservative? yes.?
  3463. What is the minimum pressure the human body can handle? ..
  3464. Verification of moment of inertia calculation
  3465. Question about liquid expulsion from a spray bottle
  3466. Tension on the Lateral Epicondyle
  3467. Skateboard drops to flat.
  3468. visualizing the hyperspheres (only the hyperspheres, no tesseracts etc. please)
  3469. DIY: Simulate Atoms and Molecules...
  3470. Earth's magnetic numbers
  3471. Why is the speed of water waves dependent on depth?
  3472. What is the definition of wave?
  3473. Materials to read on global warming
  3474. What Affects the Energy of a Photon?
  3475. Given a curve how to find the damping ratio?
  3476. Is wave made of particles?
  3477. Regarding Feynman lectures
  3478. Chaotic Orbits
  3479. Can someone clarify Wave Power?
  3480. Calculating Ion Charge (given Electron Configuration)
  3481. Transformers?
  3482. Are we push or attracted to a planet?
  3483. Questions regarding something in Feynman's lectures.
  3484. Formula for Drift Tube
  3485. Simple Logic (OPTICS)
  3486. Where is Earth's center of mass?
  3487. where does mass come from?
  3488. help!! dont know what to study
  3489. ??? (How to vibrate a metal object with certain frequency)
  3490. Linear Frequency?
  3491. Let's talk about the holographic
  3492. 3d glasses.
  3493. Inverse kinematics for object trajectory in 2D (control theory?)
  3494. Does the Force of gravity act at an object every second?
  3495. What is sub-atomic level?
  3496. Nuclear Tests?
  3497. Piezoelecric Crystals
  3498. why colours are reflected
  3499. light wave/particle
  3500. I read that vehicles over the last 20 years have increased operating temps by
  3501. Rearranging an equation
  3502. New RGBY TV.
  3503. Debate About Photons
  3504. middle of gravity
  3505. Electronic Transitions
  3506. Why is distance = 1/2a(t)^2
  3507. Waves ?
  3508. Ampere force and motion?
  3509. why cant rads be converted to cpm?
  3510. Physical constants changed?
  3511. Help! Basic Rotational Dynamics Question
  3512. Direction of Voltage and E field
  3513. Are angle measurements rank 0 tensors?
  3514. centrifugal force units.
  3515. accelerometer direction
  3516. Van de Graaf Accelerator question
  3517. Quantized energy vs. T=Ia
  3518. Intensity of light vs amplitude
  3519. Waterspount meets whirlpool
  3520. Could you crack a whip while...
  3521. wavelength as a yardstick
  3522. lhc particles harmful to humans?
  3523. How does a bottle of paint spray work?
  3524. Physics of being a waiter?
  3525. Need some help putting this into perspective
  3526. Help ! i need a explanation for this
  3527. The effect of a Nuclear Blast on Planetary Magnetism
  3528. Defining a weight process
  3529. Amplitude Entrainment?
  3530. If you plug a cord into an outlet and sparks fly while plugging it in...
  3531. Black holes and photons ?
  3532. Weekend question on whirlpools
  3533. HyperVelocity Mass Accelerator-Helical Solenoidal Model
  3534. Likelihood of light being absorbed/re-emitted in 50 light years
  3535. Help with physical understanding of AC signal
  3536. Poles and Zeros of system
  3537. Potential energy of gravity
  3538. Does air molecules travel with the same speed as the sound wave?
  3539. Question about refractive index and momentum
  3540. Removing a stuck object
  3541. Article about mass and energy
  3542. Electromagnetic wave cancellation
  3543. Photon - Proton collison ?
  3544. Orbit Question
  3545. Evolutionary reason for 3-D extrapolation
  3546. space expansion on smaller scales
  3547. Horse power to g-force
  3548. (newbie question) Useful mental models for the flow of electricity?
  3549. removal of 1 g from accelerometer
  3550. hologram ?
  3551. Fluid Mechanics - keeping water level constant
  3552. Xe Arc Lamp Safety
  3553. About Gravity
  3554. Drag torque of rotating cylinder
  3555. Units od Intensity (AU)
  3556. The effects of Temperature on Magnetism
  3557. Dr. Emoto's : the structural formation of ice crystals
  3558. Inrease in water pressure as a function of temperature under constant volume
  3559. accelerometer total not equal to 1
  3560. Additive velocity in space?
  3561. Why photons can't afford more than light speed ?
  3562. Physics in the sport of Basketball
  3563. Launch Loop to Space
  3564. source for relativistic electrodynamics
  3565. physical phenomenon
  3566. Where to buy cheap plastic lenses?
  3567. What does it mean by a particle is a "wave"
  3568. Heat Transfer
  3569. Water condensation
  3570. AC Electronics
  3571. Collimating Light
  3572. Creating a Universe.
  3573. Integrating accelerometer data (obtain velocity and distance)
  3574. Fresh water and contact lenses
  3575. Analysis of current flow and EM fields in seawater?
  3576. Particle/wave duality: physical reality? Or really physical crackpottery?
  3577. Oil drop experiment ?
  3578. Static friction ?
  3579. logarithmic water pressures
  3580. Force in a vacuum
  3581. F = m x a, but what if velocity is constant (making a zero)?
  3582. energy of a charge configuration
  3583. estimation of displacement
  3584. holes
  3585. charge leaks out?
  3586. masses of fundamental particles
  3587. Newton's 2nd - assumption or observation?
  3588. Isp in model rockets
  3589. Making air form a vortex
  3590. Hinged lever held by a string - Problem regarding forces
  3591. If light itself it timeless?
  3592. Question about the conservation of momentum?
  3593. physical pendulum--thin rod
  3594. device That may defy the law of conservation
  3595. Faraday cage ?
  3596. Electric Potential !!!
  3597. Total Impulse in a Model Rocket
  3598. Diving in Dense Liquids
  3599. Electrophoresis kinetic friction or not?
  3600. The light spectrum
  3601. scattering of light ?
  3602. Why does air resistance increase with speed?
  3603. Atomic clock ?
  3604. Calculating the heating effect of a Class IV laser
  3605. can a particle revolve around a magnet
  3606. Equations of motion!!! the conditions plzzz
  3607. units FFT
  3608. Center of mass and a bit vector calculus
  3609. Atom Smashers
  3610. Why read bottom/top of menicsus?
  3611. Basic question about NMR
  3612. compass and its directions
  3613. Detecting hydrogen gas via IR spectroscopy
  3614. Light=Heat?
  3615. Calculation of size from images at unknown distance
  3616. dynamical concentration
  3617. question on solary cell etc very simple
  3618. What does this symbol mean?
  3619. Color changing beads under cellophane
  3620. best speed for fuel economy.
  3621. Variable Spring Rate
  3622. Perpetual Motion
  3623. Music vibrations into light
  3624. Understanding Light in a Sheet of Glass
  3625. Microwave ?
  3626. 3 dimensions
  3627. Bahaviour of time
  3628. Total Impulse Divided by Weight
  3629. The hilarious phyiscs of Iron Man
  3630. Amount of kinetic energy in universe
  3631. Laser in a box
  3632. distribution of charges
  3633. Hydroelectric Dam: Energy Transformations
  3634. basic question on radiometry
  3635. m=P^2/2KE: How is this derived?
  3636. Applications of Resonance in Real Life, Example?
  3637. The Gravity Problem
  3638. Light Absorption
  3639. Drilling holes im Microwaves...
  3640. Light at absolute Zero
  3641. Question about integral used in Lattice Boltzmann text
  3642. A thought experiment: Light in a mirrored box..?
  3643. How do we know that light is a wave
  3644. e=mc^2 and gravitational potential energy
  3645. Radiation
  3646. Whats a joule second?
  3647. How Planck explained black body radiation
  3648. Sinusoidal in time
  3649. Energy levels and line spectra
  3650. Spring problem with two masses question.
  3651. difference between pseudo force and centrifugal force
  3652. Superconducting ring moving in magnetic field.
  3653. sound waves patterns produced by rifle fire
  3654. negative absorbance reaading
  3655. What does the "w" in this equation stand for?
  3656. Velocity along an arc path
  3657. Method for storing infinite energy?
  3658. question about mars
  3659. lattice bolztmann - what exactly are regularized boundaries
  3660. Atomic Structure
  3661. Good old fashion beer drinkin' physics...help settle the bet
  3662. time independent acceleration equation?
  3663. Does White Light Exist? (And two possible explanations for black lines)
  3664. irradiance
  3665. The spectrum of a double pulse
  3666. i got a question about relative velocities
  3667. About the wave nature theory !! In the case of Lunar Eclipse
  3668. Question possibly to do with atmospheric pressure (but possibly not)
  3669. Maxwell–Faraday equation symmetry violation
  3670. Understanding Energy
  3671. Elephant Toothpaste Experiment in closed container used to compress air
  3672. Oil Bath heat exchanger
  3673. Photon ?
  3674. tensor rank of pressure
  3675. The 'Knuckle'(ball) Effect..???
  3676. rate of frost formation
  3677. cooling thermocouples junction
  3678. Urgent question about static friction - help pls!
  3679. The Acceleration of the Center of Mass and External Force
  3680. g
  3681. Time and Size
  3682. 2D surfaces in the third dimension?
  3683. Three Body Problem (and Chaos Theory, Determinism and Prigogine)
  3684. Refraction vs. Interference
  3685. about motions of the low earth orbit satellite
  3686. Raman Spectroscopy
  3687. Helmholtz resonance airbox design?
  3688. What is the G force for this?
  3689. Why isn't CHARGE a fundamental quantity rather than CURRENT?
  3690. Equation used for centrifugation
  3691. Gaussian surfaces: Electric Field=zero
  3692. wave length...
  3693. Black Hole Question, HELP!
  3694. Speed of light through moving liquid
  3695. Does anyone know a device that reads the frequency of objects?
  3696. New theory of gravity???
  3697. i have a crazy theory
  3698. Max theoretical resolution of scanned images.
  3699. Angular Velocity confusion
  3700. Might This Work? A Diamagnetic Theory
  3701. torque and holding torque question
  3702. Noise Frequency Analysis
  3703. inFinding heat transfer coefficient experimentally
  3704. Parabolic Mirror Equation
  3705. does antiMatter matter
  3706. misure magmetic field by hakìll probe
  3707. A simple algorithm, with no use of the mass, to reproduce the 3 laws of Kepler
  3708. Universal speed of light
  3709. Rate of Water Flow help.
  3710. Equivalent resistance.
  3711. dielectric breakdown
  3712. Surface science
  3713. relation of pressure with mass
  3714. Calculating angular acceleration and translating to force
  3715. Do magnetic feilds operate at a frequency?
  3716. X-wave? Radio ray? What?
  3717. what's the energy source for capillarity to lift liquid up?
  3718. Oil shortens lifespan of halogen bulbs?
  3719. time's arrow
  3720. Faraday Generator - Theoretical
  3721. How are electrons "pulled"?
  3722. Eletron interference ?
  3723. Why static charge created electric field while moving charge creates both electric an
  3724. Latent heat and colligative properties
  3725. Help with understanding electromagnetic induction
  3726. Drag On A Sphere... Confused...???
  3727. How much acceleration could a person withstand while immersed in liquid?
  3728. Expansion of the Universe, Dark Energy and Conservation of energy.
  3729. What does this sentence mean?
  3730. Why is light affected by gravity?
  3731. discontinuous processes
  3732. pendulum involving problem
  3733. subatomic particle masses
  3734. Does Helium Expands Faster than Air When Heated?
  3735. Confused about energy
  3736. Simple Current Question
  3737. Thermodynamics
  3738. SF becoming reality?
  3739. What is the current highest temperature super conductor?
  3740. Underlying Concepts of EMP generation & sustainence
  3741. Tesla Coil Plasma
  3742. Force Sensor
  3743. Magnetohydrodynamics
  3744. CO2 gas diffussion and exchange
  3745. Questions regarding light and dark
  3746. Coke physics (ice and pressure)
  3747. What 'drives' time forward?
  3748. What is a force?
  3749. mechanical motion VS thermal motion
  3750. How would you steer a spacecraft?
  3751. White Light Scanning
  3752. magnetic feild in regard to aluminium
  3753. Does Newtons of an Egg drop vary accordingly to height?
  3754. Neil Turok's All Known Physics Equation
  3755. Quantum Espresso DFT+D
  3756. Couple magnetic experimental questions
  3757. Gravity -Questions and Ideas
  3758. Gamma/Radio waves through solids
  3759. The possibility of "Perception" being a dimension?
  3760. capacitor , leyden jar ?
  3761. object sliding through hollow rotating tube
  3762. Statistical Mechanics: Confused about Liouville's Theorem (Susskind, Time, Chaos)
  3763. Question on gravity?
  3764. Simultaneity
  3765. Non-Sinusoidal Waveforms
  3766. Light question
  3767. radium measurement
  3768. Correct term: thermal power & electrical power
  3769. The movement of a chain
  3770. Laser shoots down drone
  3771. quick question on connecting ammeter, voltmeter
  3772. getting graph of v(t) on oscilloscope?
  3773. Can an Inductor hold a charge?
  3774. Forces, yanks, and torques
  3775. Two Mirrors
  3776. space by radiation?
  3777. Exhaust Heat Question
  3778. Forces on pendulum
  3779. Finding the mass of earths troposphere
  3780. Gravity ?
  3781. Convection/Archimedes Principle
  3782. The Myth of Fictitious Force
  3783. irradiance from a sphere
  3784. rolling motion terminology
  3785. Stopping heat rising
  3786. Calculating force with only mass and distance known
  3787. confusion over real and complex versions of the same quantities
  3788. Underwater Pressure
  3789. How do we know protons, neutrons and electrons exist?
  3790. Questions about Gravity
  3791. Pressurization in an enclosed space
  3792. why does stainless steel float when coated with wax?
  3793. light and electromangetic interference
  3794. Just want to see if my understanding of the photon is correct...
  3795. polarising sound
  3796. How to measure...
  3797. Total Entropy = constant?
  3798. Creating a waterfall from a roof slope.
  3799. Would this (classical magnetism) experiment be proved wrong?
  3800. How to measure the temperature of an arc discharge
  3801. induced current in a static magnetic field
  3802. Refractive index and dispersion (name & usage of eq and conceptual questions)
  3803. Levitation.
  3804. Will the weight of jar changed?
  3805. Magnetism and conservation of energy
  3806. Momemtum
  3807. Are photons much older than stars?
  3808. Help us understand spectral transmittance
  3809. Does something weigh less 1km under the ground?
  3810. Rudiments of Physics? Please help me get started!
  3811. Definition of Work and Energy
  3812. Calculating Power and Instantaneous Power - What's the difference?
  3813. Apparent 2nd law violation? (thermodynamics)
  3814. Why is speed of sound constant?
  3815. Why can't we feel the acceleration of the earth?
  3816. About Repulsion Force
  3817. aircraft in general
  3818. Gravity ?
  3819. A Wonder
  3820. fluid heat transfer problem, please advise. Thanks
  3821. How do rockets in space works?
  3822. About Torque and Force
  3823. Shaping a magnetic field
  3824. Water vapor at approx. 300 degrees Celsius
  3825. Slowing Light Down to Photograhable Speeds?
  3826. Two questions about school buses
  3827. Color comparison
  3828. QM and relativity.
  3829. Is the physics concept of tires kinematics or work/energy? Please explain why.?
  3830. speed of light?
  3831. polarizers
  3832. Instantaneous Velocity of a car after letting off the throttle
  3833. Gas to liquid by pressure
  3834. Electricity is confusing!
  3835. Variation of gravitation field strength?
  3836. Explanation of Schur's Lemma Corollary
  3837. What is easier to measure, angle or velocity?
  3838. Fresnel Lens Array - Focal Point Question
  3839. Converting Transmission to Absorbance (Optics)
  3840. light?
  3841. Homopolar Motor Help
  3842. Motor!!
  3843. Power Plant - Will it Work???
  3844. The weight of our planet?
  3845. Adding Voltage in parallel?
  3846. Modelling forces acting on a sail
  3847. How much will the speed of a magnet be reduced when it is passed trough a coil?
  3848. acoustic impedance matching
  3849. Rocket equation exhaust velocity question...
  3850. Is there a perfect vacuum between atoms in space?
  3851. Laser Cutting Machines
  3852. Purpose of the weak nuclear force?
  3853. Another 2nd law Violation Thread
  3854. Help identifying a formula that incorporates the theory of relativity
  3855. polarization of light
  3856. Low Pressure and high voltage in cathode rays experiment
  3857. De Broglie wavelength and it's dependence of the frame of reference
  3858. Few Magnetism questions.
  3859. Mass of an electron?
  3860. air expansion
  3861. Photovoltaics current
  3862. Energy for computation
  3863. Size of the universe and human brain
  3864. change of color in fluid
  3865. Monochromatic to Polychromatic Laser beam
  3866. Adding forces... Again...
  3867. help with laser sound project
  3868. If the centrifual force does not exist then why?
  3869. MORE Magnetism questions.
  3870. Faster than C
  3871. Axle of Rotation
  3872. Question about entropy?
  3873. Benham top?
  3874. Visible light Absorption Spectra vs Color of mineral
  3875. Optics question - eyes and cameras, and the mythical 50mm lens
  3876. The magnetic component of electromagnetism
  3877. Does a full 3TB hard drive weigh more than an empty one?
  3878. Electric discharge question.
  3879. What is acoustic displacement amplitude?
  3880. Maxwell's theory??
  3881. Comparing magnitude of forces
  3882. I need studt material for semiconductor lasers.
  3883. Zener Diode Regulator
  3884. Conservation and Symmetry
  3885. Lecturer made a mistake ?
  3886. Light
  3887. Is it possible: Ion Bomb
  3888. Is it possible: Plasma Thrower
  3889. images formed by mirrors
  3890. dose gradients - medical physics
  3891. Number of atoms in the OU
  3892. Speed inorder to shift green light to blue light?
  3893. Bizzare idea, I need expert opinions?
  3894. Gravity just a theory?
  3895. need help!
  3896. Motion Prob ! Need Help
  3897. Life and entropy
  3898. I am trying to set up a model using calculus in physics and I need assistance?
  3899. Car aerodynamics
  3900. What is the Earth's natural resonant frequency?
  3901. moment of inertia
  3902. Negative dielectric constant,dispersion
  3903. Horton Hears a Who... and the Whos hear...
  3904. RC circuit
  3905. pressure inside a discharge tube
  3906. More than efficient
  3907. Light and a photon
  3908. earth was not flat because ??
  3909. Physics - Calculus Question
  3910. Colour (RGB/HSV/HSL) to wavelength.
  3911. torque
  3912. torque and inertia
  3913. the human antenna
  3914. Lasers - energy per round-trip
  3915. Is my physics course following acceptable standards?
  3916. Harnessing the power of heat? [discussion]
  3917. Tensors
  3918. Information is energy
  3919. Rotating a marble in a glass tube ?
  3920. Help me please about Fleming's Rule
  3921. How to see infrared...????
  3922. Matter made of pixels?
  3923. Why do astronauts feel weightless inside a space ship and centrifugal force?
  3924. applications of elliptic integrals
  3925. Inertia and Torque
  3926. Repulsive Static Electricity
  3927. Meaning of p in Gauss's law
  3928. If you scratch a piece of metal, does it weigh more?
  3929. Maxwell equations with time-dependent boundary conditions
  3930. standard cubic meter per minute
  3931. Conformal Electromagnetic Relativity (1/2)
  3932. Conformal Electromagnetic Relativity (2/2)
  3933. Faraday cage problem with RFiD
  3934. Volume of electron
  3935. 3d Glasses/polarisation
  3936. What's the strongest magnetic field safe for someone with a pacemaker ?
  3937. Raman effect
  3938. space time world line diagram
  3939. High jump - Fosbury Flop
  3940. Magnetic Field/Strength questions
  3941. Looking for a compressed air formula
  3942. Capillary force when immersed in liquid
  3943. I would link to know about tide force and manetic force
  3944. Expansion of Combusting Butane
  3945. where do electrons go?
  3946. How photon interact with electron ?
  3947. wavenumber
  3948. Everything depends on gravity and mass
  3949. KG and SEC as the basis of all units?
  3950. Proton 4% smaller
  3951. Why is entropy an irreversible process?
  3952. Where do I post this question? And, hi! This is my first post!
  3953. Calculating torque for a bent lever
  3954. the physics of time travel
  3955. Thermodynamics (conceptual)
  3956. frequency and force constant
  3957. null coils
  3958. Why certain things are easier to magnetize than others?
  3959. Bernoulli's principle and the 3rd law of motion
  3960. The 1/e Factor
  3961. materials with an index of refraction of zero
  3962. Flow of elecltrons ?
  3963. Color of sub-atomic particles
  3964. Why time is a separate physical quantity
  3965. Antenna reception affected by person.
  3966. Calculating young's modulus from data provided
  3967. Work done in moving a unit positive charge in space by an external force
  3968. Punched!!!
  3969. Is It Possible: Invisible Wire
  3970. Finding Range of the Projectile
  3971. Stored charge in a capacitor
  3972. Can someone explain Pulsars and Quasars?
  3973. Curved mirrors
  3974. Opposing forces but opposite travel = no work?
  3975. Orientation of Satellites
  3976. Electrons in a wire
  3977. why is moment of inertia varyiing with the square of the radius???????
  3978. the world of anti-matter
  3979. Fundamental Point
  3980. Error in drift Formula of Current??
  3981. is the time average of a sin function = 0?
  3982. Weird phenomenas on the Moon !
  3983. a question of combining laser light
  3984. Calculating magnetic field strength (complex)
  3985. Frequency & Wavelenght of EM wave!!
  3986. Upthrust
  3987. complex refractive index mesurement from reflectivity data
  3988. Dirac Delta
  3989. Is this in equilibrium?
  3990. Did Lijun Wang nec experiment send something back in time
  3991. Sorry if this is an unusual question, but..
  3992. Optical tweezers
  3993. Bs in Physic, Going for MBA, Teaching English
  3994. Dc motors
  3995. Simple Harmonic Motion with Springs that have Mass
  3996. I am having trouble understanding a steam turbine
  3997. A description of fire at an atomic level
  3998. An Exponential Traction
  3999. water pressure in multiple tanks
  4000. Magnets "on and off"
  4001. Doubt about differential Gauss's law
  4002. energy weapons: reality and fiction
  4003. Champagne
  4004. balance proves gravity isn't a force
  4005. What would happen if gather all universe matter into one object.
  4006. Inside a Train
  4007. Statistical mechanics: Heat capacity
  4008. 1D three-body problem (with spherical shell)
  4009. Help!! Union Labor at Convention Center
  4010. Water in our Atmosphere
  4011. Colors in white light visible to the naked eye?
  4012. Base Diameter of a standing pole
  4013. Wind Power Vehicle Traveling Down Wind Faster Than The Wind
  4014. Acoustic Contrast Factor
  4015. How would a 2 dimensional intelligence find out the world has 3 dimensions
  4016. light from the sun .
  4017. Optics thought experiment and 2nd law of thermodynamics
  4018. Mushroom cloud ring
  4019. Particles as different states of a matter field.
  4020. earth as a giant sphere of electric charge
  4021. Particle Sizing using Dynamic Light Scattering (DLS) - Volume, Intensity & Number?
  4022. Diffraction
  4023. the electricity shortfall has reached 3,000 MW
  4024. How to send and receive radio waves?
  4025. Solve the puzzle
  4026. air pressure dependent water evaporation
  4027. Is time slowing down?
  4028. Help identifying equipment
  4029. Conservation of energy
  4030. polarization of laptop display
  4031. What is Motion ?
  4032. Equation for the energy of an acoustic wave?
  4033. Problems with The Universe
  4034. Initial velocity of air from tank
  4035. QFT/GR whats the problem? I can't see one
  4036. Why c^2 in "e=mc^2"?
  4037. How to mount a microlens?
  4038. Spatial Light Modulator to remove high intensity light
  4039. BioGeometry
  4040. Volume of Gas by Burning Gasoline
  4041. Current in an open circuit
  4042. photon momentum conservation
  4043. Law of floatation
  4044. Why does rotation occur?
  4045. Magnet with negative charge in gaussian surface?
  4046. Strange behavior of thermal expansion and resistivity equations
  4047. Lets make something fly! How to build a plane
  4048. Can someone please check if this sound-energy equation is right?
  4049. altitude, gravity, and air density effects on flight
  4050. Earth's rotation and geosynchronous satellites
  4051. Doubt about lens and power
  4052. Dimensional homogeneity
  4053. "Mach's principle" for electric fields
  4054. Chadwick's experiment and proton velocity
  4055. On Rocket Motion
  4056. Does energy exist?
  4057. wave
  4058. How to protect yourself from radiation?
  4059. Binding energy after fission and fusion
  4060. Who do you agree with and why (atheist vs spiritualist)?
  4061. Prarmeters describing laser wavelength
  4062. Modern physicists
  4063. Is Gravity a function of mass or density
  4064. How would a warp drive work
  4065. Inverse square law and superposition.
  4066. Question about satellites falling 'around' Earth
  4067. What would happen inside a spacecraft with no power?
  4068. bernoulli's principle with venturi effect
  4069. Photoelectric effect
  4070. Refraction & reflection
  4071. calculation the resistance of a spherical shape
  4072. Recoil Energy
  4073. In order to develop the right language?
  4074. If light has momentum then wouldn't it have force?
  4075. Are people radio transmitters?
  4076. Decrease in entropy and 2nd Law of Thermodynamics!
  4077. bound vector addition
  4078. Would the other end move instantaenously
  4079. gravity along a shifted sun-earth line?
  4080. At what point does light come into existence from when it leaves its source?
  4081. Solar Flux
  4082. Post co-extrusion die
  4083. Fluid friction within tubes?
  4084. Vector help!
  4085. PDE solution
  4086. Why do we see certain colours?
  4087. As close to perpetual motion as we might ever get.
  4088. Dimensional Rifts, Windows, Einstein-Rosen Bridge & other Mindbenders
  4089. Radioactive isotope dangers
  4090. Standing wave detection using a microphone
  4091. Grandfather Paradox
  4092. Question for the use of Woolaston Prism in OPTICAL TWEEZER
  4093. What effect does a nuke have underwater?
  4094. doubt
  4095. Teleportation
  4096. fast spinning earth
  4097. Static friction constant and Kinetic friction constant
  4098. Wet clothes - Bright Color
  4099. what is an electron lens diameter?
  4100. If space is quantized, then you move in steps. What happens right before each step?
  4101. Emission spectrum
  4102. energy in inductor and capacitor
  4103. Motion In A Straight Line (Scalar, Vector, Distance, Displacement, Speed, Velocity?)
  4104. 'i' due to resistances in parallel
  4105. Why do hydrogen and atom bombs have such force?
  4106. Average wavelength for blackbody radiation
  4107. Temperature due to resistance calculator?
  4108. How to combine laser beams?
  4109. Non linear properties of Metamaterials
  4110. A question about the difference between mass and charge?
  4111. High energy free electron and low energy photon collision
  4112. Parallel Plates and Potential Difference
  4113. Coriolis
  4114. Contradictory FBD's for simple pulley problem
  4115. Why wouldn't this work?
  4116. why convection happens when concentration gradients exist?
  4117. Doors, windows, pressure.
  4118. Perfectly Elastic Collisions in 2 Dimensions with Round Objects
  4119. Reflection of radio waves
  4120. Overcoming the normal force
  4121. Gas volume by liquid displacement
  4122. Stop electricity???
  4123. Why polished surfaces are colder?
  4124. Is this a law of physics?
  4125. Thermal energy
  4126. Electric Potential energy
  4127. Hypothetical Situation: Would a beam made of antiparticles explode on initiation?
  4128. Power of laser vs Power of X-ray
  4129. How is light produced in the following?
  4130. Capacitor charging
  4131. Thermomagnetic convection
  4132. Force to open door
  4133. Breaking through a concrete wall easily
  4134. Open/Close doors to cooling the house?
  4135. work
  4136. Ants inmune to microwave.
  4137. X-Ray Source
  4138. Physics Suggestions - Over my user level
  4139. Gravity affects light
  4140. A hypothesis of the basic working of the physical reality.
  4141. Loop around an infinite solenoid?
  4142. Crash of two cars: What was the speed of car 1 at imact?
  4143. E= Mx (C Squared) by why squard?
  4144. Bor's theory!
  4145. Rockets energy expenditure
  4146. egg drop project
  4147. Why thrust decreases then increases with velocity?
  4148. Zero point energy
  4149. Waves
  4150. Is there really such a thing as a perfect circle in nature?
  4151. Identifying resonant frequencies in various objects
  4152. Starting velocity of a electron
  4153. What causes this?
  4154. Gravity Doesn't Make Any Sense...
  4155. Where do all these formulas really come from?
  4156. blackholes
  4157. Speed of Light
  4158. Average deviation
  4159. can we trap light???
  4160. Is this why relativity and quantum physics don't mix?
  4161. Upper limit of harmonics
  4162. Agreement between QM and GR
  4163. Why do things burn,or char? (Please answer by tommorow)
  4164. Rain
  4165. electric constant
  4166. Synchronizationa & Resonance
  4167. Bandgaps - how are they tuned?
  4168. vector subtraction
  4169. Coriolis Acceleration and Inertial Frame
  4170. Calculating electric fields through integration
  4171. Algebraic Physics to Calculus based
  4172. History & Present State of "Action at a Distance"
  4173. Anyone here have familiarity with "Mastering Physics"
  4174. Why do we feel this?
  4175. What is Infared and Ultraviolet radiation responsible for?
  4176. Why do X-rays only show bone?
  4177. If infared energy makes things hotter, why do microwaves use radio waves?
  4178. Two part question.
  4179. How on earth can a piece of paper stand vertically on a single corner!?
  4180. Strange Observation of Ink in Ball Point Pen
  4181. Where does the potential energy go?
  4182. Increasing wave speed on a tring
  4183. Maximum wavelength of EM
  4184. What is this object called? It deals with Pressure.
  4185. Ineresting thought on earth's speed and rotation.
  4186. Particles vs Waves
  4187. Physics of Balloon Expansion / Rubber, Latex Material Expansion
  4188. Physics Question about throwing a Football
  4189. Understanding the effects of gravity on a gas
  4190. Does an EM wave bend in a B-field?
  4191. welding safety
  4192. Gravity (over extremely long distances)
  4193. Flywheel Energy Storage
  4194. 2 Dimensional Motion (calculating total distance traveled)
  4195. Vectors of ships
  4196. Negative wire when jumping start a car
  4197. Unexplained Movement
  4198. NOT A HWK QUESTION!! Molecular Theory PLEASE.
  4199. Drake equation
  4200. velovity of a light beam in an arc
  4201. How is a semiconductor's bandgap energy related to its voltage?
  4202. Bandwidth of space!!!
  4203. Is there any branch in math that is not directly or indirectly used in physics?
  4204. Why can't we feel certain kinds of waves?
  4205. If the atoms in solid matter a tightly grouped?
  4206. The mass of sunlight
  4207. An Opaque question.
  4208. nuclear and gravitational force related?
  4209. Coulomb's law
  4210. EM waves penetration
  4211. Need Help Coming Up With Experiment
  4212. what is the minimum amount of current that can be fatal at around 20KV?
  4213. What would happen if Earth's core where moved? (Gravity)
  4214. Refraction
  4215. Heat capacity
  4216. Inertia
  4217. Black Body Radiation.
  4218. Is it safe to say...
  4219. How do I asses the % of light transmission that passes through glass
  4220. Help! (pic) Force of impact. Launched vs Dropped. Same height.
  4221. Measuring Tiny changes in Electric Field Strength
  4222. Calculation of tank height based on flow rate
  4223. Water Temperature gain calculation
  4224. Thermostat's circuit wiring
  4225. fringes of a perfect beam?
  4226. The effects of electrical shock on the brain from non-localized contact area
  4227. Movement pattern of liquids
  4228. is it possible to separate the 3 elements in cloth Carbon,oxygen and Hydrogen
  4229. how do i graph displacement, velocity and acceleration...manually and oncalculator?
  4230. left over energy when an electron moves to a higher energy level?
  4231. A nonlinear model of ionic wave propagation along microtubules
  4232. Electromagnet project
  4233. Falcons and Planes
  4234. General Physics
  4235. Gravity field differential equations
  4236. Is Newtonian Mechanics more general than Hamiltonian Mechanics?
  4237. What is this?
  4238. Sound waves
  4239. Gearing Question
  4240. Transmission Signal PLZ HELP
  4241. Vacuum Jump
  4242. Can a golf ball gain speed when it goes round the hole and doesn't drop?
  4243. Me-163
  4244. Differential Equation with forcing/fluids question
  4245. Will electrons fly out of atoms and planets lose orbit?
  4246. Experimental Error on a quadratic
  4247. Books on partial wetting (graduate level or higher)
  4248. ¿Is there a book(source) wich describes fluid mechanics from n-s equations?
  4249. Looking backwards through a holographic diffuser
  4250. How do you calculate a force of a object that is not accelerating
  4251. Modeling the Collision of Acoustic Waves
  4252. gradient operator in Natural Curvilinear Coordinates
  4253. Thermal Conductivity in Supercritical Fluids
  4254. Weights and Speed?
  4255. laser
  4256. Varying index of refraction Experiment (URGENT)
  4257. Isothermal vs. adiabatic
  4258. Finding a space video.
  4259. Why do glass and crsytals absorb light?
  4260. Why is it that things feel ''hot''?
  4261. Electron orbitals.
  4262. Question about entropy
  4263. Snells Law prism forumla
  4264. Air Compressors
  4265. 3d parabola (projectile motion) to hit a target on an arbitrary plane
  4266. Airborne Laser Testbed
  4267. Gravitational forces between 2 masses
  4268. Conservation of Energy in a Gyroscope Thought Experiment
  4269. Questions regarding the constant of light and photons
  4270. As the electrons spin...
  4271. Inertial water movement
  4272. Acceleration perpendicular to velocity in 2D
  4273. einstein work equation
  4274. stability of levitrons
  4275. Which unit of pressure is used in the ideal gas law?
  4276. How Can I Calculate My Target's Distance?
  4277. Fluorescent Lamp/ plasma experiment
  4278. Help me build the fastest downhill cart
  4279. Double-well potential
  4280. Error in Quote from Planck?
  4281. Schuster's method
  4282. A question that has been plaguing me
  4283. Does a nuclear explosion in outer space generate space waste at all?
  4284. Group and Phase velocity
  4285. Copper Pipe in Solenoid Center
  4286. Producing current from sun magnetism?
  4287. Airfoil Lift
  4288. Question about climbing and fall forces generated
  4289. How come there is visible light in Uv lights?
  4290. water pressure/volume problem
  4291. So confused about reflection from metal surfaces
  4292. What's happens when?
  4293. A difference in protons....
  4294. plasma engine
  4295. Has Statistical Mechanics Produced Any Results on Self-Organization?
  4296. Differentials in the context of thermodynamics
  4297. Thrust
  4298. The Bernoulli's principle ???
  4299. Young's double slit expt - purpose of the first slit
  4300. Constant in Newton's Law of Cooling
  4301. Spring constant- calculating velocity
  4302. Why concave reflectors work better than a plane reflector
  4303. Dependency of electrolyte conductivity to temperature?
  4304. The real cause of refraction.
  4305. inverted spring pendulum & control torque
  4306. Display of TV
  4307. When emitting a photon, does the body exert an opposite force?
  4308. Derivation of Law of Refraction
  4309. Rectennas and 2nd law of thermodynamics
  4310. simulate a monopole
  4311. A discussion of heat vs cold
  4312. Questions RE: radiation pressure
  4313. (Hopefully) simple thermodynamics question
  4314. commutative property of numbers and uncertainity
  4315. Once to light never back again
  4316. Highschool Senior Project Ideas
  4317. Speed of sound through a plate!!
  4318. Adjusting our units
  4319. The Ampere in alternative units
  4320. No gravity at center of earth= no pressure?
  4321. Emit one "lower energy" Photon and....
  4322. Easy physics question
  4323. Electromagnetic Wave
  4324. Traveling at the speed of light and time travel?
  4325. 3D 'perception' of the world we live in
  4326. Electromagnetic Spectrum
  4327. Water battery
  4328. Pressure & Force conversions?
  4329. What is the amount of energy released from an exploding firecracker?
  4330. EM field lines in non-isotropic media
  4331. relativity at cern - deflection
  4332. How can i calculate the speed of an object in water
  4333. Why derive electric field produced by a rod?
  4334. Friction on a slope
  4335. How many hydrogen atoms are there in a 5 sample of pure hydrogen?
  4336. Amorphous Material
  4337. Time Dilation
  4338. DIY CRT mass spectrometer
  4339. How to evaluate gradient of a vector? or del operator times a vector
  4340. question for electromagnetic induction
  4341. magnetic monopoles
  4342. polarisation
  4343. Thermal expansion of a metal round disk with hole in the middle
  4344. question regarding atoms
  4345. Power density and shockwave velocity limit in large explosions.
  4346. How to build a powerful single celled battery
  4347. 5.8ghz laser?
  4348. RF beam width and antenna diameter?
  4349. Earth as return path for power transmission line?
  4350. Self induction in a straight wire
  4351. Some question about Spring force and Deformation
  4352. Equations are 2-dimensional
  4353. gas/fluid dynamics
  4354. 3D Modelling Software for Astronomy?
  4355. Closed System and Center of Mass
  4356. Electromagnetism in Reference Frames
  4357. Practical Report For Investigation to flight (wind tunnel)?
  4358. Radial current in a curved wire?
  4359. Newton's third law
  4360. cfm flow calculation
  4361. Why is wave diffraction around object better at longer wavelength?
  4362. Light speed internet
  4363. Doubt with centripetal acceleration
  4364. Top 5 hallmark experiments in physics
  4365. Ferrimagnetism vs ferromagnetism
  4366. Designing a faraday cage
  4367. why doesn't a magnet interfere with light?
  4368. Work scalar...?
  4369. muon decay constant
  4370. Random questions: explain BB gun bullet dent in (regular) glass?
  4371. direction of vector displacement
  4372. Heisenberg's reasoning concerning matrices
  4373. Free fall ?
  4374. Why do we need the s-2 when describing force/energy..etc?
  4375. Elevator Question
  4376. Annihilation and energy occurance
  4377. Doppler effect for light - how can it be explained ?
  4378. Standing waves hanging in pulley problem
  4379. What is the meaning of a fundamental constant? Dimensioned or dimenionless
  4380. Gravity
  4381. How to determine nature of frame (inertial/non inertial)?
  4382. how can you Shield pacemaker like device so you can work with neodynymium magnets?
  4383. Electron - positron annihilation
  4384. 2 weighted pulley system
  4385. Solenoid / coil with varying number of windings per meter
  4386. magnetic feild question
  4387. orbital and escape velocity
  4388. General cosmological question
  4389. Simple explanation - wings in an aeroplane
  4390. Energy conversion
  4391. Mass Impacting Spring Damper System
  4392. Can such motion exist?
  4393. Partition function in Statistical Physics..
  4394. Minkowski Space - Definition
  4395. E=mc^2...
  4396. Puzzled: why is this even linear? Must it be? Looking for clarification
  4397. Data Table help (for a wind tunnel.. (Lifting force etc.)
  4398. force contours?
  4399. Slow Light
  4400. Proof that Objects Interact with Spacetime
  4401. High jumper and com
  4402. Temparature
  4403. University thermodynamics fundamental equation/identity derivation.
  4404. Constant volume Specific heat and internal energy relationship in nonideal gas.
  4405. Can we accelerate in space ?
  4406. Need book recommendation for difficult multiple choice problems
  4407. Electromagnetic waves
  4408. Atoms that make up the body do they come from...
  4409. Trajectory Graphs
  4410. Magnitude vs Direction
  4411. Buoyancy of object on telescopic riser with only part of its bottom in water
  4412. Astronaut Backflip
  4413. Need ideas for solar/atmospheric experiment
  4414. Calculate sound pressure inside a cavity
  4415. Calculate velocity of an oobject falling trhough a medium
  4416. Estimation of diffuse and direct radiation starting from the global radiation
  4417. Tangental acceleration from given centripetal acceleration and a range of radii
  4418. Electic field / capacitance of parallel plates
  4419. Convection of charged particles in oil subject to DC bias
  4420. Measuring Light Output
  4421. Acceleration and velocity when time and distance are known
  4422. Paper bridge project !!!
  4423. Physics Project involving ice, gases, and global warming
  4424. Back EMF
  4425. Material properties influencing laser properties
  4426. Faraday Box
  4427. Why use high frequency power supply for generating plasma??
  4428. Undamped HO transfer function
  4429. Manipulating light electro/magnetically
  4430. Agar Gel diffusion rate
  4431. How does physics relate to water pollution?
  4432. Layers of gravity and kinetic force - us to galaxy
  4433. zero kelvin!
  4434. How Maxwell's equations explain the Lorentz contraction?
  4435. Physics meets art history
  4436. "Moving Individual Atoms"?
  4437. 3D Velocity Of A Moving Object To A Stationary Object
  4438. conservation of energy
  4439. Uniformly Accelerated Motion for Short Distances
  4440. Buoyancy question
  4441. Cause of Diffraction of Light
  4442. Point charges and electric potential
  4443. calculation of force
  4444. Transistor amplification
  4445. Light bundles and diffraction
  4446. Aerodynamics
  4447. Swing speed analysis
  4448. Rolling Cans: Hypothesizing the action inside
  4449. Why does a4n electron need to move in an orbit?
  4450. The physics of losing Helium from the Earth - question
  4451. Ballistics, hydrodynamics - tensile cavitation in tissue and fluids
  4452. Stick and Beaker activity
  4453. If the earth stops rotating...
  4454. Free fall in compressed air
  4455. AC circuits with complex numbers
  4456. Factors affecting the design of an efficient paddle wheel
  4457. Emission spectral line intensity
  4458. Partial derivatives (Maxwell relations) in thermodynamics
  4459. Standing waves by a speaker
  4460. Trees as antennas
  4461. Ball- Sliding or Rolling?
  4462. Basketball Bouncing
  4463. How Wavelength is measured?
  4464. Faraday Cages and Induction
  4465. Help with gauss, Sheet vs conducting surface
  4466. brightness of real images from converging lens
  4467. Energy question
  4468. Mechanical properties of Solids Concept
  4469. Vector Equation Help
  4470. Mirror phenomenon
  4471. Calculating Gravitational Acceleration
  4472. fluid dynamics-eductors
  4473. Height of a mountain
  4474. photoelectric absorption in x-ray imaging
  4475. Two types of electrical charge?
  4476. How do you put a uniform charge on an insulator?
  4477. Fluidification technique ???
  4478. how to calculate radius of curvature of a reflector
  4479. Circular Motion
  4480. Pr0j3ctil3$
  4481. Geissler tubes and Crookes tubes
  4482. Help me understand electromagnetism.
  4483. 4blade-rotor air slipstreaming
  4484. Absorption coefficient of the solar radiation
  4485. Origin of notations in physics.
  4486. Motion in Bound Electrons
  4487. Understanding Ideal Gas Law
  4488. Simple Electric Field Problem
  4489. Is It Possible: Plasma Shield
  4490. Diffuse microwave/far infrared heating as a replacement for space heaters?
  4491. really simple gravitational question
  4492. What is the difference between a quantum and photon?
  4493. how to visualise hypercubes?
  4494. Coefficient of restitution and damping
  4495. Using physics to produce heat - need some ideas
  4496. Throwing a ball in my office
  4497. Twisted Space ?
  4498. Understanding Gauss' Shell Theorms?
  4499. how can Dirty clothes effect the Insulation?
  4500. Tangential Force to pull a cylindrical plastic cover
  4501. high-speed rotating thing
  4502. properties of foam plastic in Mattress and in general
  4503. can air humidity(water vapor) fall like rain in a room?
  4504. gravity at core
  4505. Light at Flat/Curved Surface
  4506. Conservative Forces
  4507. Mag-electro
  4508. Moss Burstein Shift
  4509. Are protons magnetic?
  4510. Whats going on in this video with the water ?
  4511. Efficient Pulley System
  4512. Seismomter sensitivity
  4513. stokes' law
  4514. Light question
  4515. what is the real power behind the rush to fill in complete emptyness
  4516. A quick conception question... newtonian physics
  4517. A paradox related to rolling
  4518. Convex Mirror
  4519. What are "blackbodies"?
  4520. Is the rate of entropy of a closed system constant?
  4521. When does slipping occur?
  4522. the sun exerts a greater gravitational force on the mars compared to the moon right?
  4523. Pressure -- Average Trajectories
  4524. Calculate electric force between unlike atoms of a molecule?
  4525. how to calculate power ouput of a car?
  4526. calculation results?
  4527. What exactly is entropy?
  4528. How long does it take to learn physics?
  4529. Is it possible: Supernova Bomb
  4530. Use ohm's law to (in a parallel kind of way) to predict the outcome of a generator
  4531. Green lasers
  4532. Can anyone explain Gravity to a biologist?
  4533. How maglev trains work?
  4534. Non Calc - Potential Energy/Conserv. & Centrepital Acc?
  4535. EM radiation ==> Self propagating wave ?
  4536. Fresnel Lens and Fiber Optics
  4537. Airy Disk
  4538. How to calculate the amount of electricity being produced.
  4539. Can energy/mass be created?
  4540. In what ways is Carl Sagan's Cosmos outdated?
  4541. the gravitational constant
  4542. Computational Physics
  4543. Compact Unidirectional Audio Speaker
  4544. Confocal system - how to calculate depth of field
  4545. The Nobel Prize in Physics 2010 goes to...
  4546. static and dynamic impact
  4547. Rock On Rod Stewart
  4548. My Air Mattress as a Pressure Vessel
  4549. Capillary Rise
  4550. Disc Speed and Relativity
  4551. Is our granite inspection table harmful?
  4552. Angular Momentum and Linear Momentum
  4553. Does the wall get somewhat warped from me pushing it?
  4554. If temperature gradients cause wind in air, how about in zero gravity??
  4555. Kevlar and knives
  4556. Calculating gravity -- is your "down" plus or minus?
  4557. Rate of velocity decay for rolling object/friction
  4558. Trying to find papers of Debye and Falckenhagen's Induction Effect.
  4559. Cleaning your PC with a vacuum cleaner
  4560. Surface Tension
  4561. Mass reconstruction
  4562. Entropic Manifolds
  4563. The role of time in Physics(project)
  4564. Is the following sentence true?
  4565. Question about ordinary magnets. (Not homework)
  4566. how do i generate nitrous oxide from a electrical arc?
  4567. refraction
  4568. Magnetic Flux
  4569. How to calculate laser thrust?
  4570. question Is it possible to have energy going from the body without touching it
  4571. Temporal evolution of the distribution of identical particles in 2D space
  4572. Standard deviation in Graviational force, g
  4573. If light causes radiation pressure, what about sound waves?
  4574. Base Isolation
  4575. What happens with the sea level due to the centrifugal acceleration?
  4576. what do you mean by bandwidth?
  4577. Geometry problem: a cone meeting a cylindre.
  4578. Resonate frequency at the quantum level?
  4579. Capacitor
  4580. Can a Tower emanate light?
  4581. Clarification of White Light/Superposition
  4582. Forces Involved in Jumping
  4583. Adhesive tape
  4584. Question about entropy
  4585. Sum of Partial Pressures of Gas phase equals to total pressure of a 2 phase system?
  4586. Any Good Resources for Non-Technical, Non-"Popular" Physics Videos?
  4587. Why is a bulb lit as soon as a torch is switched on?
  4588. cause of diamagnetism
  4589. What's Wrong with my Experiment?
  4590. Fine distinctions: F vs ma, E vs H, etc
  4591. Viscosity from a graph
  4592. Irreducible Tensor Operator
  4593. Pascal's Law Question
  4594. Gravity and energy
  4595. torsion balance experiment question
  4596. Microscope(Not homework)
  4597. Relative angular velocity
  4598. Applying Huygens's principle to light propagation
  4599. Question about spontaneous creation.
  4600. Why do rivers flow ?
  4601. Are we heavier at night than at day?
  4602. mathematical description of wavefront propagation through vacuum
  4603. need a website that explains general physics 2 (electricity and magnetism)
  4604. Sublimation
  4605. Right hand rule
  4606. how to calculate change in pressure of air through a funnel
  4607. photon and magnetism
  4608. May i ask where can i read some sample good lab report?
  4609. What is the CGS of current and voltage.
  4610. Pressure & Force Question
  4611. Bernoulli?
  4612. DOUBT!!..plzz help!
  4613. Earth Mass Increasing? Photons and Photosynthesis making more matter on earth?
  4614. Raisins and bread, expansion
  4615. Gravity
  4616. Acceleration questions
  4617. Equal Pressure Canister Collapse
  4618. Magnet pull force Question's
  4619. Acceleration of an ellipse
  4620. Utilizing light
  4621. Measuring Earth's magnetic field
  4622. Why does vasodilation in periphery lead to reduction in blood pressure?
  4623. practical question- anyone w. experience w. BBO crystals?
  4624. x-ray focal spot size
  4625. Magnets
  4626. Self-propelled Car
  4627. Magnetic Dipoles
  4628. Hot air balloon staying in the air for 24 hours
  4629. DC motors characteristics
  4630. Finding the stress of a beam
  4631. Enthalpy change for different processes.
  4632. Angular momentum to force
  4633. What will happen if I use a air core for 50Hz current tranformer
  4634. bubbles in resin
  4635. Physics Science Research Idea
  4636. Sudden impulse due to explosion
  4637. The treatment of errors and uncertainties?
  4638. fluid mechanics conceptual question
  4639. 'Sideways Momentum'
  4640. 20th+ ionization batteries?
  4641. Shweeb Transportation system
  4642. Help me to understand Coulomb's law.
  4643. Why is the earth how inside?
  4644. Why don't light waves move magnets?
  4645. Newton's third law of motion
  4646. The Elegant Universe
  4647. Different Physicists, Different Methods
  4648. Interesting practical question skydiving
  4649. Space And Time
  4650. spring constant
  4651. Atoms and sound waves
  4652. Can microwave radiation penetrates building materials?
  4653. Steffan-Boltzman Law
  4654. Yaw rate and yaw angle
  4655. How can a basic particle have a charge?
  4656. $500 Superconductor research project?
  4657. Feynman's vector potential, a physical meaning clue
  4658. Rutherford scattering
  4659. Different formula for generator and motor ?
  4660. How do I figure out the number of shells in noble gas items?
  4661. adjoint operator
  4662. Phenomena of reflection of light
  4663. How do relativity and quantum mechanics contradict each other?
  4664. Superposition principle in arbitrary medium
  4665. How hot can radium get?
  4666. Why do these neodymium magnets seem to have 2 dipoles?
  4667. Can time be quantized?
  4668. Isolated system
  4669. How true is Lorentz force?
  4670. Earths Gravity and Spinning.
  4671. Existence of electromagnetic field
  4672. Degrees of Freedom
  4673. Finding drag force
  4674. Sports on the Moon!
  4675. Stopping or absorbing gamma rays
  4676. Does the record move faster or ?
  4677. Newtons Laws?
  4678. Generating Angular Acceleration using a fixture
  4679. forces
  4680. Persistence of Light?
  4681. Need some help with Rotational Physics and determining angular velocity.
  4682. Spinning Magnet Question
  4683. Particle beam weapon
  4684. Diffraction plane & image plane
  4685. Convex lens and focal length
  4686. Simple harmonic motion - vibration frequency
  4687. Waves - phases
  4688. electrical resistance of Earth
  4689. Gerchberg–Saxton algorithm
  4690. a problem with theromdymics
  4691. what is the relationship between mass absorption coeff. and linear absorp. coeff.?
  4692. Is there such thing as infinite magnitude of velocity?
  4693. Self Resonant Freq of Spiral Inductor
  4694. angular,rotational, translational and tangential velocity
  4695. Repulsor Rays: How they work
  4696. Specific volume of Nitrogen
  4697. How would the world look if all particles spin would align?
  4698. Interference Pattern from a wedge
  4699. How much energy could be stored in a superconducting ring
  4700. Trying to create a magnetic feild that is responsive to sound
  4701. who made the D'Arsonval/Weston galvanometer movement?
  4702. HELP!!! pounds to kcal
  4703. Thermodynamics - Brayton Cycle
  4704. Experiemnt on Liquid cooling
  4705. Nikola Tesla's Death ray
  4706. Earths Magnetic Field and solar winds
  4707. cosmic rays
  4708. Correcting accelerometer mounting angles
  4709. Interpreting units
  4710. Error Propogation
  4711. Equation Manipulation with Differentiation or Integration?
  4712. why are diamonds shiny?
  4713. Standing Waves and nodes
  4714. What is a valvular conduit
  4715. The hulk
  4716. centripital force
  4717. Would submerging a human in water eliminate pressure from G force in a rocket launch?
  4718. velocity of particles on a disc
  4719. Is it possible: ionizing atoms in free-air
  4720. Reversing the heating process
  4721. car crash
  4722. Wiring for thermocouple in cryostat.
  4723. Alpha particles and Teflon
  4724. Optics - Mirror Formula
  4725. Optics - Paraxial rays
  4726. Does every force have an opposing force?
  4727. Electromagnet Coil Inductance
  4728. Squinting at light bulbs, what are those lines?
  4729. Really elementary conceptual question
  4730. Electrical Resistence Reserarch
  4731. spinning in space
  4732. Solvent heat up due to gamma ray
  4733. Egg Drop Physics
  4734. Ultrarelativistic gas
  4735. 100 watt lightbulb resistor
  4736. r-square value for model fitting
  4737. Electric field speed
  4738. AA battery to lift 1000kg up 1meter
  4739. Suppression of a detonation
  4740. Does this material exist?
  4741. horizontal spring
  4742. fabric of space and time ?
  4743. aircraft trajectory from point a to point b
  4744. The accurateness of electricity laws
  4745. fan in vacuum
  4746. nfl helmet to helmet hits
  4747. Highest Temperature
  4748. gravity and magnetism
  4749. Clarification of Plane Wave Solutions
  4750. Questions about constructing a cyclotron
  4751. Trajectory of charge in a magnetic and gravity field
  4752. Is position and resultant vectors are same?
  4753. Electromotive force
  4754. How does this circuit technique work?
  4755. MEMS gyroscope
  4756. free energy, perpetual motion
  4757. Wave diffraction
  4758. Materials for microwave antenna dish?
  4759. happy and excited beams of light
  4760. Helicopter stability?
  4761. What exactly is the difference between frequency and period?
  4762. What does vigorously boiling water do?
  4763. What does this mean and how do you do it
  4764. How do I express the frequency of the hour hand?
  4765. Question about forces.
  4766. Are there any chemical reactions that can generate radio waves?
  4767. Meissner effect?
  4768. Moment acting at Point A?
  4769. Swiping my card, induced emf?
  4770. Magnus effect and Air resistance
  4771. Measuring speed decay
  4772. The Dirac's identity
  4773. reflecting light
  4774. What is a transmission line resonator ?
  4775. pulling box at an angle
  4776. photons reflecting off mirrors, wheres the flaw?
  4777. How do I enter Latex into the Messages
  4778. electrical circuit
  4779. Build a balloon powered vehicle
  4780. How does exactly higher capacitance have "more bang for your buck"?
  4781. Conservation of Energy
  4782. Conservation of Energy
  4783. Why doesn't a biconvex lens cancel itself out and not change the light beam?
  4784. If The Sun Turned Completely To Water, Would It Freeze Or Boil?
  4785. Tandem solar Cell
  4786. Physics Experiment References
  4787. Thermodynamics: Steam Power Plant
  4788. Electromagnetic induction
  4789. Can a universe exist without matter?
  4790. About diffraction (conceptual problem)
  4791. Gravitation and EM
  4792. Question regarding Electric Razor functionality?
  4793. Pop Bottle Rocket Project
  4794. Time Machine will not be invented
  4795. Best Parachute Design
  4796. Torque used to generate angular acceleration
  4797. Radiation: Whole Body Dosage
  4798. Fluids
  4799. LED screen
  4800. Transparency effect in photos
  4801. Wi-Fi Wavelength??
  4802. colour changing sticker
  4803. Circuit for Hall effect sensor
  4804. Does gravity cause electric resistance?
  4805. Movement In Space
  4806. Does heat independently cause Infrared radiation?
  4807. Metalic Ball heat transfer
  4808. Magnetic fields in vacuum
  4809. Significant Digits
  4810. Aerofoil pressure drag calculation
  4811. Pumpkin Drop Time/Distance?
  4812. Rockclimbing Fall Physics: Fall Factor
  4813. Bowling physics.... 10 pin bowling...
  4814. What is action in human terms
  4815. Why is the slope of a V2 Vs. X Graph 2a?
  4816. Does a curveball really curve? or is it just an illusion
  4817. TIme and time travel...
  4818. Is there a paradox here?
  4819. Lift of a helium balloon
  4820. Developing a game that requires a physics engine with little knowledge
  4821. Cellphone power adapters consolidation
  4822. Electric field of a battery
  4823. Magnification; What's focal point
  4824. The Physics of Fire by Friction
  4825. Isolating particles
  4826. Standing Waves - Loud and Soft spots
  4827. Can Gamma Rays Make Plasma in a Vaccum
  4828. how the charges are transferred?
  4829. Polarization of light
  4830. How is sound waves with timbre, etc. represented electronically?
  4831. Does photon have mass ?
  4832. Increasing velocity graph
  4833. Q About Fusion
  4834. heat generation from friction
  4835. different materials generate different amounts of friction heat?
  4836. Capillary action for non-polar substances?
  4837. Physics / Statistics question related to Atwood Machine and calculus of g
  4838. Question about travel-time (or time-of-flight)
  4839. Newton's Third Law
  4840. AC voltage from aluminum Grounded?
  4841. Direction of Centrifugal Force?
  4842. Plans for a homemade Mini-blimp
  4843. Imperial Unit
  4844. Strange Optics Ques: photon capture and reprod
  4845. What does relative mean..!!
  4846. how do we measure the frequency of light?
  4847. units mismatch?
  4848. Multiples of natural frequency??
  4849. How does a metal detector work ?
  4850. how does magnetic field induce current??
  4851. electron schwarzchild radius problem
  4852. Connecting wire from battery terminal to electroscope
  4853. Force due to Gravity
  4854. How do we know that gravity results from mass?
  4855. A practicle problem involving soup.
  4856. Infrared as heat waves
  4857. Why Does Refraction Occur?
  4858. Shadow physics
  4859. Only using 2/3 Motion equations
  4860. Question about uncertainty
  4861. Which way does the force of friction point on a turning cylinder?
  4862. Light and sound waves
  4863. metallic luster
  4864. scattering
  4865. Contradictory: Sky blue and sunset red?
  4866. color physics
  4867. effect of thickness of atmosphere on the incident light on land
  4868. Polarization and crystallography
  4869. photograhing our mirror image
  4870. elliptical sun
  4871. Physics of triangles
  4872. Electron Speed
  4873. Electron Bombardment
  4874. Can dropping an aerosol can make it explode?
  4875. does this person see the mirage as we do?
  4876. long barrel of telescopes
  4877. reducing glare
  4878. Impact and Damage from falling from a bridge into water
  4879. High-voltage low-amperage current through the human body
  4880. negative probability
  4881. irreversible and isothermal work
  4882. projectile motion
  4883. diffused reflection?
  4884. speed of red light in water
  4885. Space Elevator Questions and What Ifs
  4886. sound converging lens
  4887. Countercurrent and concurrent exchanger?
  4888. Huygen's principle
  4889. Cooling System
  4890. Calculate change in air pressure (Physics 101 type Q)
  4891. to be opaque to pair production
  4892. Uni Essay help! "Does classical physics have fundamental status in modern physics?"
  4893. Does an object gain weight???
  4894. What is it exactly about an explosion that pushes the piston in an engine?
  4895. weight or mass????
  4896. surface tension
  4897. radiant energy and radiative energy
  4898. tides and gravity
  4899. Exergy Consumption
  4900. Supercapacitor futures
  4901. A simple question on why water soaks through mugs
  4902. air temperature and water temperature
  4903. How much Gamma Radiation does Radium produce
  4904. How does a calibrated Hall Probe work?
  4905. Physics simulation software
  4906. Calculating net force and direction on a system of rotating shafts within another.
  4907. Changing Angle of Refraction?
  4908. Why aren't we heavier during the day?
  4909. Buoyancy of a 4m x 4m platform
  4910. Anyone know Cv for water?
  4911. why is the spring constant changed
  4912. liquid pressure
  4913. Tyndall vs Rayleight Light Scattering
  4914. Running with a physics question?
  4915. Doppler Shift
  4916. hmm is this posible?
  4917. Complex network physics
  4918. how to calculate radius of the wheels to overcome the obstacle?
  4919. Ionizing a sphere till it explodes?
  4920. Is there a tool to measure resonant frequency?
  4921. What is the correct math notation for the Coulomb Barrier?
  4922. A big problem for me ?
  4923. Pedal-force for bicycle @ 43.2mph ???
  4924. Locate points in space
  4925. Detecting single photons - conceptual question
  4926. Absolute Zero
  4927. Force meter ideas.
  4928. Can Any1 tell me why kienetic energy is equal to both m.v[SUP]2[/SUP] and 1/2
  4929. Block going down a ramp
  4930. Thermal radiation from the sun
  4931. Radios of Photons?
  4932. Table top cold fusion reactor
  4933. Why magnetic feilds are not dangerous for health but ELCTROMAgnetic fields are
  4934. Gravity problem
  4935. Wavelength of photon in a medium
  4936. Gravity and Integral Calculus
  4937. Work done in water .
  4938. Induction cooking: barefoot, with a metal spoon
  4939. Quick question on microwaves
  4940. Could the speed of light be variable?
  4941. Why can't waves (light) be in two mediums at the same time?
  4942. visualizing radio waves?
  4943. Exam paper contradiction
  4944. new formula for centripital force ? whats wrong !!!
  4945. how to calculate thermal vibration?
  4946. anti matter vs matter?
  4947. Spring Problems
  4948. Meaning of Phase in stationary waves
  4949. A simple circuit - 2 lamps in parallel connection dim
  4950. Projectiles: Hitting x and y with initial height given.
  4951. initial velocity of a snowmobile collision
  4952. Lagrangians: the obvious questions
  4953. Hamaker Constant Question
  4954. friction
  4955. sound barrier
  4956. time travel?
  4957. liquid pressure
  4958. If we have a mass function of time i.e M(t) then F=(m.v') or F=(m.v)' and why ???
  4959. Force graphs and stress-strain graphs
  4960. pressure due to an elephant and atmospheric pressure
  4961. Catenary
  4962. Is invisibility really achieved???
  4963. looking for a picture of black body radiation from an oven
  4964. Resistance in parallel
  4965. Electrons and electromagnetic radiation.
  4966. Why are photons emitted when electrons drop energy levels
  4967. Harvesting energy from walking humans
  4968. Granular Physics models
  4969. capacitor and observer, what does he measure?
  4970. Is there an infinite number of events in the past?
  4971. binding energy of protium
  4972. Moment of inertia for wheel
  4973. How to type equations?
  4974. Linear Velocity, linear momentum, and agular momentum
  4975. fluid statics
  4976. Thompson's cathode ray tube experiment
  4977. Car Jumping Railroad Tracks
  4978. Does application of torque add to rotational stability?
  4979. what is the cause of reflection?
  4980. Bringing Near Objects to Focus
  4981. Continuous Time Random Walk
  4982. Polar molecules like water Spin why?
  4983. Upside down falling body problem
  4984. Conditions at the Centre of the Earth
  4985. Magnetic Monopoles
  4986. Gravity
  4987. Including Dissipation in Kinetic Energy of Lagrangian
  4988. Compression, low heat fusion
  4989. Is it possible: Implosion Device
  4990. Compressed/Uncompressed gas combustion and Emissions
  4991. Confusion with parallel plates
  4992. Efficiency of solar panels: Earth vs Space
  4993. lens shapes other than conic sections
  4994. Deuterium bombarded with Neutrons from tritium?
  4995. Time Travel Proposal
  4996. Weird Projectile Physics
  4997. Raining flue gas..
  4998. Trivial questions on notation...
  4999. Weber and Tesla basic question
  5000. does a perfect concave mirror act as a radiation heatpump