PDA

View Full Version : General Physics

Pages : 1 2 3 [4] 5 6 7
  1. Q: relativistic velocity
  2. Call for Papers: The 2008 International Conference on ScientificComputing (CSC'08), USA, July 2008
  3. Combination of Lenses ?
  4. Defects of Workmanship
  5. Could time be movement in a 4th physical dimension?
  6. phases in SHM
  7. [SOLVED] Evidence for the existence of neutrinos.
  8. Polarized thin film?
  9. Why isn't it possible that gravity is repulsive at long distances?
  10. null cavities?
  11. Inertial Reference System
  12. Re: relativistic velocity
  13. On Snyder's paper on quantized space-time
  14. SHM energies
  15. Acoustic streaming
  16. wave 2d, 3d
  17. Does gravity apply at very short distances?
  18. Blueshift + Classical Physics = Golden Ratio
  19. A conceptual question about current...
  20. primary mirror for dobsonian telescope...
  21. Relativistic EM question
  22. Sinking sphere
  23. Simple question on newtons third law of motion...
  24. [SOLVED] Model
  25. Ice sticking to the mould problem.
  26. Fresnel diffraction; geometrical shadow
  27. Waves Questions
  28. Electric Field Produced by an Infinite Sheet.
  29. Compression of Gases
  30. Circles of light
  31. toroidal transformers
  32. Why does fuse wire always break in the middle?
  33. TV Researcher needs help w/ electromagnet
  34. velocity with mass and distance given ?
  35. conductor question
  36. Derivation of spring constant k: Where can I find it?
  37. photodarkening
  38. making a stronger air flow using 2 fans
  39. Gauss's Law with Dielectric
  40. magnification of dobsonian telescope..
  41. force, gravity question
  42. wave speed
  43. Gauge coupling unification
  44. A small numerical error of A. Einstein
  45. virial expansions
  46. light
  47. Corriolis Effect
  48. Conceptual question about syphons...
  49. Equation for measuring strain
  50. heat
  51. Simple Harmonic Motion in daily life!
  52. can i use a watch glass as a primary mirror of dobsonian telescope?
  53. Vectors
  54. Optics and The Eye
  55. significant numbers
  56. taphonomy and turbulent flow dynamics
  57. Barometric height
  58. Roller Coaster Project Help
  59. Understandable, recent physics
  60. Problems with Bohrs atomic model
  61. Magnetic flux density
  62. Vacuum vs. Centrifuge - equivalence
  63. 4th Dimension
  64. Mass on a stick model.
  65. Elextric Flux Question
  66. "Quantum efficiency" of photon detectors
  67. BARC Ph.d program
  68. Gravity at the Molecular Level
  69. Hammer and ruler balance
  70. Free Fall and air resistance
  71. Derivations of the Decay Constant Equation.
  72. If temperature is motion, why doesn't stirring water make it boil?
  73. Resonance, standing waves and bass
  74. AC vs DC Generated Magnetic Field
  75. laser
  76. Canceling out low frequencies noises (subwoolfers)
  77. Can something massless be stationary ?
  78. Escape Velocity
  79. velocity of planet
  80. Mummy, where do harmonics come from?
  81. Video: Scientist plans Time Machine - Is this possible?
  82. earths magnetism
  83. Kelvin Temperature - Celsius Temperature Change
  84. FORD F150 Centrifuge
  85. refraction of light
  86. can polarization affect diffraction?
  87. Quick question about light waves
  88. Leyden Jar Capacitor Recharging?
  89. Coulomb's Constant Question
  90. Yikes, I need help! (Centripital Motion/Forces/Friction)
  91. Electrocuted....by household static…?
  92. what is the difference between gas and vapour?
  93. Any Known Similarities between the electron and the photon?
  94. If visible light have so much more energy than infrared, why does infrared feels hot?
  95. Minimum wavelength of light and electrons? Microscope related.
  96. What the h-?
  97. Error propagation when you take the inverse?
  98. [SOLVED] Sound waves in solids?
  99. Motion and energy!?
  100. Wavelength in Orbit
  101. Newton's Third Law Question
  102. general relativity website
  103. Gravity vs Gravitation
  104. uniform acceleration
  105. Question about slowdown of the speed of light in solid medium
  106. spectroscopy
  107. Postion -> Velocity -> Acceleration -> Jerk ->?
  108. gravitational potential energy challenge
  109. Out of the Loop (no pun intended)
  110. why some materials have bigger refractive index than others?
  111. Vortex surface elevation
  112. physics of die bouncing
  113. On The Nature of Transverse Waves
  114. Flavor Problem - Has it been solved?
  115. QM Measurement Problem
  116. digital and quantized signal, are one same thing?
  117. Classical Physics with Time going Backwards
  118. Spheres octaves and pitch
  119. do the electrons "spend" energy, and where that energy goes?
  120. Centripetal forces on a drifting Hangglider?
  121. Help is Needed with this Q
  122. diffraction
  123. angular acceleration in baseball
  124. bouncing
  125. Whispering Gallery at St. Paul church
  126. Tension effects on web slits
  127. Wave Reflection Question
  128. Questioning of fundamentals of current flow
  129. physics of far from equilibrium systems and self organization
  130. Wear rates and friction of plastics
  131. Stroboscope monitoring by CCTV
  132. Mechanical resonance
  133. snow weight on fencing
  134. open organ pipes
  135. Does light have a size
  136. Conceptual Question on Current
  137. A little help
  138. What is the velocity of a relativistic electron?
  139. Grad studies in quantum information/computing
  140. Huygen's principle
  141. Sparks in vacuum?!
  142. Interested in Understanding Limitations to 12V DC battery applications
  143. I need a formula!
  144. Accurate tracking of position at walking speed using an accelerometer
  145. Joule efficiency project
  146. Isotopes and Speed Question
  147. distance transform
  148. magnets
  149. magnetic flux
  150. Re: Any Known Similarities between the electron and the photon?
  151. Trying to understand Electromagnetic waves
  152. electromagnetic motor
  153. How to define charge?
  154. String Frequencies By Temperature.
  155. Pregnancy Gel
  156. Exponential decay
  157. Path between two points in rolling terrain
  158. BRST and others
  159. Re: Fancy-Schmancy Forms in EM (and Gauge Theories)
  160. Bell's Spaceship paradox
  161. Strawfuls of water
  162. First Leyden Jar - experimenting.
  163. Molecular Simulation
  164. fly in my truck
  165. Maximum Speed
  166. Phone book friction!
  167. Dark places.
  168. Scale ?, mass or weight
  169. hot glass
  170. electron attracts the earth..
  171. helium gas flow cryostat tips?
  172. Question about 5-D Kaluza Klein Theories with a Timelike rather thanSpacelike Extra Dimension
  173. Category Theory and Physics
  174. Group velocity and reflective index relationship
  175. Second Law of Thermodynamics
  176. Reverse magnus effect
  177. annihilation
  178. Capacitance word problem
  179. Help Understanding Gravitational/Elastic Potential Energy and related
  180. Diving into swimming pool
  181. Centripetal Force
  182. possible airflow formulas
  183. Density of the same substance.
  184. Acceleration of mass?
  185. Auto airflow.
  186. topple effect
  187. General Question about force
  188. Help! Bullets And Impact Math!!
  189. Eyes FPS
  190. Floating ice
  191. bonds in liquids
  192. launching a golf ball
  193. Solar Radiation and Nuclear Waste
  194. mirror reflection question
  195. Color Theory Modeling?
  196. Bandgap Values for GaAs and Si
  197. Thermodynamics
  198. Wavelength - differences in equations
  199. Gravitational Field
  200. color spectrum underwater.
  201. conservation of enery
  202. Labview e Network Analyzer HP3577A
  203. What's the shape of a microwave beam?
  204. question
  205. Acceleration
  206. quasi-static processes
  207. scattering
  208. electricity device help
  209. Time and the 2nd law of thermodynamics
  210. water pressure and explosions
  211. physics olympiad
  212. voltage question (photoelectric effect)
  213. Top heavy object
  214. Constructing a Table. (Radioactivity)
  215. Ball and string
  216. Some conceptual collision/energy stuff
  217. Wavelength of an Electromagnetic wave
  218. Potential due to a continuous charge distribution
  219. Spotlight Diffraction
  220. Doesn't Alternating current cause fatigue?
  221. Charges on Faraday ice bucket like conductors
  222. synthetic diamond
  223. Relating Distance and Speed for orbits
  224. Fundamental Forces Questions
  225. Calculating Power of a rotating shaft
  226. DHM equation
  227. Crazy physics problem! (big debate in my high school)
  228. Gravity and Mass Question
  229. Jet engine
  230. Orbit concepts
  231. Fuel burns upon re-entry?
  232. Reverse diffraction
  233. Pulleys and Acceleration
  234. Binding Energy makes life possible. Do you agree?
  235. Physical meaning of a fourier transform?
  236. Giant Slingshot
  237. radiation dampening field
  238. What is the force of a shockwave expanding 100 fps in fluid
  239. Ball bouncing on the floor - Normal reaction?
  240. [SOLVED] Two objects of Different masses falling
  241. Violation of Snell's Law??
  242. gauss law
  243. Gravity
  244. Absolute Zero and Time?
  245. Ballistic Galvanometer
  246. recoil
  247. Mie Theory.
  248. Nylon fiber guitar string sound
  249. Question about friction
  250. Single Loop Circuit Energy Conservation
  251. Bertram Kostant on E8
  252. Wanted: Defn of Equal Time Commutaion Relation
  253. Anyone needs a graduate student in high energy physics theory?
  254. how to make such thing
  255. velocity selectors
  256. Resistance of Various Shapes
  257. Acoustic Length?
  258. Hollowed cylinder grounded
  259. No magnetic fields?
  260. electromagnetic induction
  261. Calculating Properties of Tsunamis
  262. Subatomic Particles Fired At Each Other
  263. Metal heat
  264. fresnel Biprism
  265. electromagnetic induction
  266. Electron filmed?
  267. Driving a car on the roof of a truck.
  268. Lasers!
  269. research at a low level
  270. Odd results from an incandescent bulb
  271. Interference and Medium?
  272. Are Atoms round shaped ?
  273. Perfectly Rigid Bodies and Quarks
  274. energy conservation in particle decay
  275. Equilibrium of a gas
  276. Density of salt and graphs
  277. relationship for molecules
  278. AirFlow Calculations/ Anemometer anyone??
  279. trying to understand power/work
  280. orientation of an object after collision with ground
  281. Formula for the tensile stress on a spinning ring
  282. anomaly freedom
  283. Octonions, Electrodynamics and Gravity?
  284. 2 questions
  285. Trying to understand Magnetic Braking
  286. what happens to PE during elastic/inelastic collisions?
  287. Water pressure
  288. Tachyon vs neutron
  289. magnetic field around wire
  290. Act against Gravitational Force
  291. Inverse Square Law
  292. Questions about Electrical Field and Magnetic Field
  293. Effect of Sugar on Coffee Heat
  294. Lighting bulbs with magnetic fields
  295. Superposition of position functions
  296. infinite potential well
  297. light and darkness!
  298. Torque: Swinging Door; mass, I, r, t and Angular Displacement Given
  299. Why am I magnetic?
  300. Basic physics- chain strength question.
  301. Phun
  302. Light weight Material
  303. mechanical electricity generation
  304. frictionless surface
  305. Fiber Optics
  306. proof on two dimensional elastic collision.
  307. Do 2 laser beams interfere?
  308. with the water flow analogy
  309. magnet force
  310. Single Slit Explanation.
  311. coherent time vs duration time of the wave packet (photon)
  312. scattering in water or atmosphere
  313. Why or How an electron REVOLVE around the Atom ?!
  314. simple differential questions
  315. From the perspective of a Neutrino.
  316. duration of wave packet (photon) vs coherent time
  317. Projectile motion
  318. What makes a spring stiff?
  319. Questions about Path Intergral for Lagrangian Density = 0
  320. Dealing with vectors
  321. velocity of light with flour?
  322. Small LED on screwedriver
  323. calculating velocity or acceleration
  324. Graphing experimental Data
  325. Field Theory Justification
  326. Helicopters vs. Airplanes
  327. Coherence
  328. How do i measure light frequency?
  329. Accelerating reference frame physics
  330. Question about space, time and string theory
  331. Perfect Atomic Structure
  332. SETI article, today's times
  333. LyX figure labeling
  334. Capacitor Discharge Energy
  335. Free Electron
  336. Lightweight aerogel material
  337. A New Translation & Reformatting of the 1905 SR Paper
  338. Electromagnets and Permanent Magnets
  339. What determins the electrical resistivity of different metals?
  340. Hypothetical Question involving Conservation of Energy
  341. doppler
  342. Alderson Disk general solution
  343. Propagating signal in a rod
  344. [SOLVED] Aluminum Boats and Buoyancy.
  345. what happens when two light beams collide ?
  346. Gravity!!!
  347. Measuring Parsecs
  348. Is weather a chaotic system?
  349. True vacuums with no energy at all inside
  350. thermodynamics notation
  351. Gravity anomaly???
  352. Laser spots
  353. Top Mysteries in Physics
  354. The Kaye effect - Leaping Shampoo
  355. Question about Velocity.
  356. Need help in determining formula for for fishing lure depth...
  357. Superparamagnetic nanobeads
  358. A few questions about magnets
  359. Acceleration Due to Gravity Question
  360. How to calculate g-force in a Class 2 rocket
  361. Impact Craters!
  362. spring constant and acceleration
  363. how small can you go?
  364. Fun little paradox
  365. Plano-convex lens
  366. time dilation
  367. Radiative transfer to space affected by atmosphere?
  368. energy conservation
  369. coherent length
  370. computation of scattering angle
  371. Special quantum ensembles and their statistics
  372. Is there such a thing as in-phase and coherent white light?
  373. Is an omnidirectional laser possible?
  374. Limit below which we cannot detect light?
  375. Mechanical Work
  376. Car physics
  377. What's up wioth wrinkles
  378. A guess in Physics
  379. Radio transmitter for Zune...
  380. styrofoam
  381. velocity of light and temperature of medium
  382. Newton question
  383. CFP: INTERNATIONAL WORKSHOP ON OPTICAL SUPERCOMPUTING (OSC'08)
  384. Looking for Objective Reading on Referee Report
  385. Topple and Centre of gravity
  386. Need Help Answering Voltage Problem
  387. why magnetic field deflects a charged particle.?
  388. FTL travel: Do you think we can do it?
  389. Question about frequency versus wavelength
  390. Slope Physics
  391. calculating velocity coefficient of arbitrary transmission lines?
  392. Interference does not happen
  393. [SOLVED] Can an electrostatic force repel or just attract?
  394. Colors vs. UV Ray Exposure
  395. Fine structure constant -1/137
  396. Can photons interfere with de Broglie matter waves?
  397. Can wheel locking occur with engine breaking?
  398. Knick-knacks you learnt..
  399. Question about Course Material
  400. fermi's constant
  401. Question about bullet fired from gun.
  402. naive Question
  403. Force of Superman's Fists
  404. If I have to send a beta particle in space
  405. Magnetic field outside a solenoid in 3D in terms of position
  406. Resistance as density
  407. Resistors become insulators at some high temp.
  408. Why dont we feel the tilt in an aeroplane?
  409. Call For Papers with Extended Deadline of Mar. 10,
  410. What would you write?
  411. Hydrogen tank de-pressurisation
  412. What are the conditions of a ideal Stefan-Boltzmann gas?
  413. Frequencies of Light
  414. water flow question
  415. Why doesn't light go faster than it does?
  416. Kinetic friction problems
  417. Limits of Real Gas Behavior
  418. Finding the "bounce equation"
  419. Can you shape a magnetic field?
  420. object rotating on string
  421. Question regarding pi
  422. Visualizing Free body diagrams?
  423. Small project
  424. Beat Frequencies & Light
  425. Faraday cage not working
  426. Some Random questions (plz help)
  427. Home Insulation Question
  428. Rube Goldberg project
  429. variations on the double slit
  430. Gliding
  431. My Path to Physics Enlightenment
  432. Mass density and specific gravity
  433. Modeling of an inductive proximity sensor
  434. Projectile Motion
  435. Fat and frying
  436. Hamiltonian vs. Energy
  437. the acceleration of a rocket
  438. Coaxial cable
  439. "cgs" unit systems
  440. Can't tear something into three pieces
  441. Drag Coefficient and Snow, dirt, or hail damage
  442. What IS a field e.g. magnetic field
  443. Rainbow
  444. So I was thinking about Light, right...?
  445. Solar Sailing
  446. Explosive force?
  447. What is a centrifugal force?
  448. Why does smoke rise upwards?
  449. calculating the intensity of line spectra of atoms located on theperiodic table tia sal2
  450. Weird laser effects
  451. Neutral Wire
  452. conical pendulum?
  453. Inertia Moment for Racing Motorcycle Wheels
  454. White and silver
  455. Radiation by an accelerated electron?
  456. The role of Oxygen in life
  457. What is the energy/work required to turn something?
  458. Projecting Video Onto Two-Way Mirror
  459. Reflection at atomic level ?
  460. Diffraction of light
  461. How hard something hits the ground
  462. Photon Absorption
  463. Fire vs. Water
  464. Pressure in a tank
  465. Lie algebras and Bohr-Sommerfeld conditions
  466. Help with physics project
  467. Sound Waves, Resonance, and intensity...
  468. Different types of LaTeX fonts?
  469. Spherical aberration
  470. Flexible vegetation
  471. Falling objects
  472. Fundamental Ideas
  473. Frans Michel Penning ??
  474. conversion
  475. Not conserving energy when I should be
  476. tell me about the harmonograph
  477. The mirrored sphere
  478. Thrust of Big Bang
  479. Focal points ?
  480. The Spherical Oscillator
  481. Books by Springer/Quantum Electronics/Photonic series...
  482. relationship between Linear and Rotational Variables
  483. exterior covariant deriviative (what good?)
  484. consistent quantum theory
  485. Gravity calculations
  486. Moving Water
  487. Proton Mass
  488. Possible to Add Light?
  489. Magnetic Fields: I don't understand cylindrical current systems
  490. QM: Particle in time-dependent potential
  491. difference between Br in BH curve and gauss meter measured value
  492. centrepetal force
  493. Power and Tq Needed to keep a car rooling at speed
  494. Electromagnetic Spectrum
  495. Anti-magnetic.
  496. 5.8Ghz phones, less harmful than 2.4Ghz?
  497. Query about spin and uncertainty
  498. light cones
  499. Radius of curvature ?
  500. acceleration on a corner
  501. Projectile motion!!
  502. Two Dimensional Standard Deviation?
  503. gravity
  504. conical pendulum concept
  505. intensities and magnitudes in natural science
  506. horizontal and vertical independance
  507. what is charge and what are the reality of fields?
  508. Significant Numbers
  509. Cold Black Sun
  510. photoelectric effect (questions)
  511. Wavelength, Frequency...
  512. World beyond Normal (distribution)
  513. Losing energy via EM, G field
  514. Amplification of energy
  515. magnetic field between two solenoids..
  516. Momentum of a photon
  517. the exact definition of tension
  518. What is Centrifugal force?
  519. playing basketball on the moon
  520. Rayleigh vs Compton
  521. What the heck is the point of this?
  522. Hyugens principle and laser wave dispersion
  523. suction
  524. Newton's Third Law, Universe Imploding?
  525. Calculation of classical vector potential from QFT
  526. Query about non-symmetric energy tensors
  527. "ballistic bean bag blast"
  528. Rainbow
  529. EMF question
  530. superconductor with no current?
  531. Reflux still
  532. Centrifugal force, rotation
  533. Making A Concave Mirrior?
  534. Work in the middle of space
  535. Fermat's principle and lens
  536. catapult projectil
  537. Kinetic Energy
  538. rockets in space
  539. Need help finding a derivation of the range formula
  540. Differential modulo another differential
  541. Newton rings ?
  542. water pipes and frigid weather
  543. does static friction cause a car to move forward?
  544. Amazing physics!
  545. Inelastic collision (not homework)
  546. laser through optic fiber - out before through
  547. conservation of energy
  548. How many shields, for the Archimedes legend to work
  549. Position as a function of time
  550. Why does light intensity decrease when light passes through a glass block?
  551. Linear Velocity and Acceleration
  552. charging a capacitor
  553. Centrifugal force and those Mike Rowe Ford Truck Commercials
  554. Energy calculation
  555. Modulus of Rigidity
  556. Coefficient of static friction
  557. [SOLVED] Test tomorrow... trouble with conversion.
  558. Rigid Body Physics
  559. magnetic filds
  560. Help Understanding Circular Motion
  561. New interest in Physics.
  562. [SOLVED] I really need help
  563. synchrnised clocks
  564. Compression and Expansion Index
  565. magnetic field 2 please help
  566. Calculate Heat and Temp
  567. force =mass x acceleration
  568. Air pressure and force of lift
  569. static? dynamic?
  570. Uniform Circular Motion, Rotational Motion, Torque, and Inertia
  571. How is this formula derived?
  572. [Quick question] A bird's fall.
  573. Charging a capacitor through a high resistance
  574. entropy in compressing gas
  575. Correcting Speed Value
  576. Reflection
  577. Help!!!
  578. Question regarding temperature
  579. about coloumb??????
  580. Nitrogen Expansion
  581. Electromagnet construction questions
  582. Piano Tuning Pin Rotation: A Physics Problem
  583. Physics teacher needs help with lab on Newton's laws
  584. Question about resistance in a circuit
  585. A Question I am wondering...
  586. grade 11 science project proposal
  587. poynting vector
  588. some basic questions about collision force
  589. air compressor
  590. May i know the difference....
  591. What does this symbol mean??
  592. Focal Length
  593. three dimensional torque questions
  594. Induced Electric Fields and EMF
  595. Zero G forces: Translate or Rotate?
  596. Electron density for a metal
  597. how can tension be the same along all points in a rope?
  598. A perfectly smooth sphere...
  599. efficient energy conversion
  600. Cooldown curves, inflection points etc.
  601. Finding the length of a tube from and original frequency
  602. Nonseparable Hamiltonian
  603. Induced current
  604. Static Electricity
  605. Electric charges and large bodies
  606. 24 and 70
  607. maximal optical diffusion
  608. Who has got 12 fermions of 8 dof each?
  609. Query about non-symmetric metric tensor
  610. Gravitational blueshift in Kerr geometry
  611. Light cancellation
  612. HELP:where can I find data for schumann resonance?
  613. How can we boil water without heating it?
  614. Motion of the earth and us
  615. Question concerning magnetic fields
  616. Query about dynamical friction of photons
  617. complementarity (particle-wave duality)
  618. The Untold Story of the Massive Photon
  619. Remove oxygen from liquid
  620. Phase Transitions
  621. Air drag equation
  622. Torque
  623. Need help understanding work equations :-)
  624. Measuring the speed of light with a microwave and marshmallows
  625. Formula for Paper Airplane Flight?
  626. back EMF (electromagnetic induction)
  627. Why does a rainbow arc shaped
  628. Physics and the eye: How does color vision really work?
  629. Brillouin explorations via the dispersion: monatomic cubic system withunit cells containing 1 atom and 64 atoms (4x4x4)
  630. Cloud Chamber Demonstration
  631. Estimate the power of the laser on board of Darth Vader's Death Star
  632. How to melt ice?
  633. Magnetic field measurements
  634. Parallel-Axis Theorem Clarification
  635. Bernoullis Principle Question
  636. totally random?
  637. Velocity of a rolling body down an inclined plane
  638. A different set of tools
  639. Airplane's shortest route
  640. Concept Question about Resonance and Oscillations
  641. Mystery of Candle Wax
  642. So if i dig a hole to the other side of the earth...
  643. fusion
  644. Very simple question.
  645. directions in vectors
  646. Question about AC frequency
  647. laser questions
  648. Formula Of Inertia
  649. If the universal gravitational constant was changed from 6.67 X 10(continued on post)
  650. Goofy question for you guys
  651. why do planets move?
  652. Grating matters...
  653. Relativistic addition of grav'l potentials
  654. How Many Distinct Invariants of the Poincaré Group
  655. Superposition...
  656. induce e.m.f
  657. coefficients of friction on skis
  658. Fabry-Perot Cavity
  659. Clean energy and more drinking water.
  660. CO2 laser and sigarette smoke question
  661. Help evaluate the ball lightning energy
  662. Interesting phenomenen
  663. My question related to the particles or beads science
  664. Calculating Spinning Disc Physics/Dynamics
  665. fluorescent colours and the atmosphere
  666. Proof of induction
  667. An assumption about the speed of light !I need help.
  668. recoil question
  669. Question regarding ideal fluids vs. non-ideal fluids
  670. Rolling Motion w/Static Friction
  671. about ideal mechanical advantage for an inclined plane...
  672. Data types in physics
  673. Query about intrinsic verus orbital angular momentum
  674. Wanted a High Energy Theory Research Advisor !!
  675. Why farther objects appears smaller?!
  676. Wien's Displacement Law & Emission Spectra
  677. Need some help regarding phase and group velocity of a wave
  678. Satisfying application of physics
  679. direction of friction in rotational motion
  680. phase optics
  681. NMR: what is the area under the curve of the radio transmitter?
  682. what is electron cyclotron frequency?
  683. conceptual question about angular speed and radius for rotational motion
  684. Photon momentum and lasers transfering energy
  685. Moment of Inertia
  686. Aeronautics
  687. Local vs Global Constants of Motion
  688. total internal reflection (T.I.R.)
  689. Can something exceed the speed of light?
  690. Calculating Time in gravity/acceleration problem
  691. A simple weight distribution problem
  692. Angular Acceleration and Velocity..please help :)
  693. how Cooulomb's law follows from Gauss' law?
  694. Car question
  695. Causality??
  696. What is Gravity?
  697. Mousetrap Racers
  698. Can a single conductor be used as capacitor ?
  699. Centroids of various triangles.
  700. object getting closer to a mirror
  701. heat transfer & sound transfer
  702. Force to Open A Door
  703. refocussing Young's double slits
  704. Centrifuge Torque
  705. Why an electro magnet use energy?
  706. Absorption spectroscopy
  707. Can someone help me explain these two problems better?
  708. The Earth and its orbit around the sun
  709. Do you use set theory in Physics?
  710. Math Project on projectiles
  711. Particles in Magnetic Fields
  712. Spring Walkthrough
  713. Friction and Rotation
  714. Gap Band
  715. Calculating Acceleration on an incline plane?
  716. How far the light can be shine?
  717. Really basic electronic question
  718. Torque direction rule and metamaterials
  719. ye old acceleration
  720. Non-uniform circular motion!
  721. Question about mass
  722. Coefficient of Restitution and Spring Constants
  723. Geomagnetic propulsion
  724. Gravity outside a cylinder.
  725. Do photons decay?
  726. Fabry-Perot Interferometer as Principle for Bris-Minisextant
  727. Ideal gas law
  728. newtonian mechanics and inclined planes
  729. Photon Mass Question.
  730. Speed of light question.
  731. Spin
  732. Eye of Ellipses
  733. When I see an electrical arc ,what am I really seeing?
  734. Acoustic boundary conditions
  735. Why do resistors in series recieve the same current
  736. Gravitational attraction of bodies
  737. An interesting scenario...
  738. Good resource for understanding light waves?
  739. INTERNATIONAL WORKSHOP ON OPTICAL SUPERCOMPUTING (OSC'08)
  740. Be 8 nuclear instability
  741. Gravitational redshift (potential well) query?
  742. Collimating beam with optical axis
  743. Impact Time and transfer of rotation
  744. ice with microscope
  745. Can someone please explain magnetic pressure to me?
  746. ampere-turns explaination?
  747. I read that iron and mu-metal repel magnetic forces. So I was wondering...
  748. Is there a way? Salt Water to Fresh Water
  749. Parallel Current-Conducting rods
  750. Magnetic field and airplane scenario.
  751. Everyone in the world jumping in place at one time
  752. Hertz to MeVs
  753. whoever has got...
  754. Hemoglobin-Oxygen binding energy
  755. Air Displacement?
  756. wind velocity
  757. Quality Factor in damped oscillation
  758. alternating current versus direct current
  759. hitting a golf ball
  760. nuclear bombs
  761. Electricity & Circuitry
  762. [thin films] (Macleod's) phase-shift upon reflection
  763. Total Energy Dilemma
  764. gauge theory (alternative descriptions)
  765. textbook on scattering
  766. Passing of John Archibald Wheeler
  767. Toy top in space
  768. Magnetic force does no work?
  769. significace of i*sin(wt) in SHM [cos(wt)+i*sin(wt)]
  770. Is nuclear fusion radioactive?
  771. Question from a helicopter pilot . . .
  772. Pointwise Ampere's Law
  773. Question about the physics behind a guitar string
  774. If the moon suddenly vanished, what would people on earth experience?
  775. Ferrofluids: do they produce a force?
  776. [SOLVED] Waves
  777. Fossil fuels
  778. Resonant frequincy of capped cylinders
  779. d 'Alembert's solution
  780. Types of physicists at a particle accelerator?
  781. question about acceleration
  782. how would this work on the moon?? theory..
  783. Fusion or not with Van De Graaff machine and very high voltage
  784. Light transmission through glass.
  785. Centripetal force and Bernoulli's equation
  786. Electrical Power Calculation
  787. How Do I Make a Balloon Pop by Itself?
  788. What exactly is overtone
  789. foot-pounds
  790. CG of frame
  791. Strange radio wave phenomena
  792. I was to design my own rocket.
  793. why most particles are spherical??
  794. Centrifuge Question
  795. Is the acceleration of the universe possible without dark energy ?
  796. How can we explaine the adhesion force?
  797. filling petrol in the day or night
  798. At the planck scale...
  799. conversion device
  800. CO2 Formula help
  801. about lagrange dynamics of aparticle
  802. Extending the range of electro magnets? Can it be done?
  803. Experiment Ideas
  804. What makes tennis loud popping sound?
  805. A Universe without Light?
  806. Dust accumulation and change of weight (or mass, or gravitation field)
  807. [SOLVED] Light propelled toy boat?
  808. Building a glider
  809. What does a light bulb in vacuum look like?
  810. Magnetic field produced by a solenoid
  811. Does a piano string slowly stretch (creep) over time?
  812. Opics: making lantern's
  813. What causes a boomerang to flatten out in flight
  814. Arches or beams?
  815. Newton's third law to explain lift
  816. Overshoot in electronics
  817. direction of friction in rotation
  818. Convex lens
  819. question on wheeler feynman absorber theory
  820. Is Cross Product AxB always equal to -BXA? Even if A and B are non-commuting?
  821. But where the heck is the spinor??
  822. Electromagnetic Wave Propagation
  823. Creating "Visible" Inert Gases
  824. capacitance
  825. distribution of forces
  826. Impulse
  827. acoustic (vocal) UNDERTONES
  828. Solitons KdV Equation
  829. Question about electromagnet induction in a coill.
  830. Dirac Delta Function question(s)
  831. What lens shape gives perfect focus?
  832. Conservation of Kenetic Energy: Rotational Style
  833. Horn Antenna Radio Interferometer
  834. Spinning object
  835. A have a question
  836. Converting Kinetic Energy
  837. Double Slit
  838. DAMA/Libra claim confirmation of direct dark-matter detection
  839. Any good physics softwares?
  840. on beating the speed of light
  841. Field lines and Coulomb Forces
  842. Need Help In Tracking Down Info
  843. What's a circular integral?
  844. Magnetism by hitting metal?
  845. Frequency Response
  846. The black hole Einstein-Rosen bridge instability revisited
  847. Centrifugal pulse reactor and Bernoulli's principle
  848. Physics and music
  849. Tangent and normal acceleration, curvature radius
  850. How does a mgnet work?
  851. Does light speed apply to all waves traveling in vacuum?
  852. How is the wave equation derived?
  853. Ground Roll Identification and Fresnel zone
  854. Snell's Law
  855. Coeff of vertical Incidence
  856. How is stacking accomplished and Why do we stack data?
  857. RMS Velocity
  858. Difference between GPR from seismic
  859. Lie(G2) representations
  860. Distinguishing random from chaotic data
  861. Dumb antenna question
  862. light rays / mirror equation.
  863. Helium and a tuning fork...
  864. Entropy Equatio for a closed system
  865. Strength of an electromagnet
  866. Liquid molecular Velocity Distribution
  867. What does this word mean in physics language?
  868. Want help on thermodynamics question: internal energy of a gas
  869. Hertzian wave and harmonics
  870. momentum is a covector?
  871. Fresnal Zone
  872. Periodic arrangement of sub-atomic particles
  873. AH Physics Investigation
  874. Electrostatic Levitation
  875. Looking back in time?
  876. Help regarding 'Interferogram Phase Correction'
  877. Physics postgrad? Look here!
  878. Electromagnetic radiation.
  879. Atmospheric Scattering Problem
  880. Need help with sine waves Equation!
  881. Researching Seismometers.
  882. Shileding of a point charge by an infinite conducting plane
  883. Can rotation wt, lift leverage wt
  884. Pauli Matrices in higher dimensions
  885. Friction in Vacuum
  886. Re: Explanation of Ring Shape Dark Matter
  887. Query on Heisenberg Uncertainty, Dirac Spinors, and Fermions "At Rest"
  888. Reduction of velocity in an isentropic process?
  889. Frequency and electrons
  890. Using the pressure of the water in the sea
  891. gravity speed and force of impact
  892. does the resistance of strain gauge increase when temperature increases?
  893. DC Excited Spiral Coil Expression
  894. automotive weight transfer question
  895. Need help finding coefficient of rolling friction of UHMW (close to Teflon) on Steel
  896. Mass calcuations in space
  897. Higher orders of infinity in a physical model?
  898. resonance states of the neutron
  899. Inflating tubes
  900. Where does resonance fundamentally come from?
  901. Most stable structure ??
  902. Electromagnetic Wave Equation
  903. Speculate for me ..
  904. Need help in Calculating Wavefunction Variance
  905. Why does a ball go further if toe poked
  906. artificial gravity
  907. Speed of light and mass
  908. Braking calculations while going down a slope pullling a load
  909. Speed of car to overcome a pothole
  910. Infinite hose?
  911. balsa wood glider help
  912. Polarization
  913. Gravity
  914. Boil Water At Low Temparatures
  915. Looking for examples of Physically-Meaningful,Non-Gaussian Wavefunctions
  916. Question about Gaussian Intergal Underlying the"Central Identity of Quantum Field Theory"
  917. Selenium-Odd
  918. Negative dielectric constant
  919. Looked watery
  920. Fun Physics you can do at home.
  921. car movement physics
  922. What is Energy
  923. the Kilogram
  924. Work and Heat in Gas Cycle (formatted: may load slowly)
  925. Spinning rotor/stator mixer
  926. pls help w blue film in green xray cassette
  927. Simple harmonics motion
  928. Modification of Energy-Momentum Relation and UV/IR mixing
  929. kinetic Monte Carlo
  930. Why cant we obtain a virtual image on a screen?
  931. how can mass be converted into energy?
  932. covelant bonds:why dont the electrons(+) repel eachother?
  933. Electromagnetic Radiation Propagation and Efficiency
  934. About Windmill Energy
  935. Clapping Hands.
  936. Could somebody explain to me why the degree of freedom of graviton isD(D-3)/2??
  937. Wind Tunnel - relevant formulae
  938. How to figure in cascading coefficients of friction?
  939. Phase, Phase Difference and Phase Shift
  940. Making Gravity?
  941. Max time to reach apex.
  942. true value of exp
  943. Gravity around the Earth (or other large spherical object)
  944. lifter
  945. Forces on a submerged object due to currents in the ocean
  946. Is there and equation to estimate how man teslas will = a certain distance/strength?
  947. Why macro model bad for atomic world?
  948. Flying Ring
  949. Simple argument for a deterministic Universe-Please refute!
  950. How can the Planck length be claimed to be the smallest length?
  951. Bernoulli effect for spinning disks
  952. Query about Lande-type G-Factors in relation to potential energy
  953. Terminal velocity and g-forces
  954. About the dimensions of the universe
  955. Please identify pictures
  956. Increasing the divergence of a laser.
  957. Alshar's Lorandite
  958. speed
  959. Project Question
  960. Effective Field Theory & Curing UV Divergence
  961. Unit cancellation in integration with natural logarithm?
  962. bridge tester design (for competition)
  963. Leverage and Moment of Gravity?
  964. portable air conditioners
  965. Please Help: Guass's Law and surface integrals
  966. thermodynamics challenge
  967. Need brains about car plowing into my house
  968. Calculating Torque ratio
  969. Shear Stress of a particular length rod
  970. Color
  971. Car and Plane
  972. Switching between frames of reference
  973. Mass: Matter or Inertia?
  974. Anti-gravity calculation for fun
  975. Magnetic field in plane of ring, outside (verify please?)
  976. Physiological Limits in Physics
  977. comics can be educational........ somewhat....
  978. mass, weight, acceleration, motion
  979. what happens to sound?
  980. Physics, Music, Rythem?
  981. Snowmelt model, temperature index solutions ?
  982. ADMINISTRIVIA: Expected delays
  983. Why does our planets orbit?
  984. number of electrons per cubic metre
  985. Project Discussion and Presentation
  986. Explosives Question
  987. Equal and opposite reactions
  988. orbital frequencies
  989. what does these electric components represent??
  990. Help a dumb weightlifter out
  991. what are the amplitudes called for blue visible light, and microwaves?
  992. Regaining balance
  993. The physics of RFID systems
  994. Symmetry and precession
  995. Physics equations, exact?
  996. Several questions about Dirac's equation and Dirac Spinors and QFT
  997. Can Enough Windwills Cause Climate Change?
  998. black hole evaporation
  999. decibel & voltage formula
  1000. swimming pool pressure on bottom drain fittings
  1001. String Theory: A Brief History
  1002. test
  1003. Charge distributions vs. voltage on an infinite plate
  1004. creating a vacuum manually?
  1005. Mouse Trap Car
  1006. "Empty Space" Just a quick thought you might enjoy.
  1007. Help with the physics of optical illusions
  1008. Stair Walker
  1009. A Ques. From Irreversible Process
  1010. Physics question
  1011. ELF Wavelength
  1012. Ballistics
  1013. Electricity Question
  1014. Position eq with theta
  1015. Dynamics of rigid bodies
  1016. why we use
  1017. Refraction
  1018. Electron collison with an atom
  1019. a question on norton method..
  1020. Vacuum Lift
  1021. Some help with Gyroscopic Presession please . . .
  1022. Resistance in a Circuit
  1023. Photons = energy? no?
  1024. States Of Matter....
  1025. question about electrons per shell
  1026. light amplification
  1027. Physics Contest Books
  1028. Rockets
  1029. Sound
  1030. Know something about Meker Burner?
  1031. Classical gravitation/parity violation
  1032. Is this Gaussian Integral calculation correct?
  1033. Foundations of STR #1: On the alternative formulations of tensors
  1034. Why is the gauge group for Ashtekar variable theory for General
  1035. Meaning of size in subatomic
  1036. fiber optic coupling question
  1037. Superposition: Sound pressure
  1038. Treasure hunting metal detectors
  1039. Maxwell vs Heaviside
  1040. Contacts concerning old Pfeiffer TPU's in particular?
  1041. N-dimensional fluid simulator
  1042. Self-Interacting Fermion Solution?
  1043. gas law help for a home project
  1044. Far and extreme ultraviolet light
  1045. Quick stupid question.
  1046. Elastic collision with unequal mass and motion
  1047. What's this filaments of a nuclear explosion?
  1048. An Impossibly Enormous Calculation
  1049. Table tennis problem!
  1050. E-field strong enough to rip all electrons from copper atoms
  1051. Aircraft wings - Kelvins Circulation Theorem and the conservation of vorticity
  1052. Why do we say photons travel ?
  1053. What causes drag
  1054. Liquid Nitrogen
  1055. Apollo reentry
  1056. Archimedes principle and relativity
  1057. electronic version for Berkeley Physics course Vol. II ?
  1058. matter/antimatter annihilation question
  1059. Question on de Broglie waves
  1060. Water Calculation
  1061. Electric Currents and Magnetic Fields
  1062. Question regarding optical callibration
  1063. Lenz's Law and counter torque in relation to electrostatic induction
  1064. A Simple Physics Question?
  1065. Question about physics of light / light travel
  1066. Magnetic Induction at the atomic level.
  1067. Negative Energy/Negative Matter
  1068. maths in gravitation law equation?
  1069. Easy conceptual question...
  1070. Is a flame hotter on the outside?
  1071. Question on Earth's magnetic field
  1072. I need to create a demonstration..
  1073. Webassign HW Solutions PHY 1 & 2
  1074. data analysis
  1075. voltage breakdown of distilled water
  1076. Work With Regards to Velocity
  1077. Earths magnetic field is changing...
  1078. Car powered by can of tomato soup.
  1079. Reversal of a black hole ?
  1080. matter == condensed energy
  1081. Nikola Tesla and Stan Meyers
  1082. When is a photon a photon?
  1083. if an ice skater is spinning on a frictionless surface...
  1084. Coulomb's Law - Could a mass term be missing?
  1085. Burning Water
  1086. heat capacity hypothetical
  1087. Chinese aurora before Quake
  1088. storing light
  1089. Cricket Question
  1090. teleporting
  1091. Why does the Stone not pull the Horse
  1092. Is magnetism more concentrated at the more pointed pole?
  1093. Sound intensity
  1094. Want my robocar to turn
  1095. Why light from sun takes 8 minutes ?
  1096. A question about physics.
  1097. Ampere's law vs. Biot-Savart law
  1098. what kind of q-group generates a massive boson?
  1099. escape velocity
  1100. Amperian loop question
  1101. Homemade device for measuring hydrogen production
  1102. Temperature: Does it make sense to say something is "twice as cold". (or hot)???
  1103. Momentum is always conserved
  1104. Unified theory (Are we close?)
  1105. Physics Question
  1106. Optics Device
  1107. Energy conservation ?
  1108. Can a pilot hear engine > mach 1????
  1109. Why does an airplane fly?
  1110. Vacuum to replace helium
  1111. Thermodynamics and the Weather
  1112. Weight of Earth's atmosphere?
  1113. Trebuchet Projectile Physics - Height Formula
  1114. Van der graaf generator and tesla coil
  1115. anomalous magnetic dipole moment vs CPT
  1116. Query about commutation of Scalar rest mass with Position
  1117. M and the higgs
  1118. Cold Fusion demo
  1119. Re: Why is the gauge group for Ashtekar variable theory forGeneral
  1120. D=26 in bosonic string theory?
  1121. Electric Arc
  1122. Can a photon last forever?
  1123. "Friction's a Drag" t-shirt design
  1124. Gravitation attraction proportioned
  1125. Raman Microscopy
  1126. Water Wave
  1127. The human leg
  1128. The laws of Coulomb versus Ampere and the electromagnetic Machian "paradox"
  1129. journal acceptance
  1130. Sound on other planets
  1131. large leyden jar help?
  1132. Modulate Visible Light
  1133. Detecting the existence of a sound that has been lost in thermal noise
  1134. PV=nRT for solids??
  1135. The Multiple Launch Rocket System and Rocket Noises
  1136. Lawrence Berkeley Pocket Book?
  1137. sound waves
  1138. Question about sound waves...
  1139. Water question?
  1140. Why is the rest mass of photons 0?
  1141. Thermos question
  1142. Re: anomalous magnetic dipole moment vs CPT
  1143. Calculate the Fermi energy
  1144. Magnets
  1145. IR Spectroscopy
  1146. The nature of time
  1147. Cellular lattice model
  1148. Question on Magnets
  1149. clarification of photon "arrows" in feynmans QED book
  1150. Redshift
  1151. High School Cyclotron
  1152. Sci-fi writer needs help with unusual problem
  1153. question...based on real experience!!!
  1154. Force on spring loaded valve?
  1155. Are collisions relative?
  1156. Explain Why Wind Power Works But Permanent Magnet Power Doesn't
  1157. Tone Bar Question
  1158. ions in water - what does ppM actually mean?
  1159. Normal Force Inclined plane
  1160. Singing Glasses: Tuning to a Certain Frequency
  1161. Simple question about magnetism
  1162. Simple question about Motion graphs/trajectory
  1163. concave mirrors mystery
  1164. Hmmm...
  1165. Missile turning toward target
  1166. General Electric Field Question
  1167. Temperature: Absolute infinity
  1168. Electric field of powerline
  1169. ideal and real gases...
  1170. Longitudinal electrical field in black-body radiation?
  1171. Simple geometry question
  1172. scanning laser interferometry
  1173. Elastic PE, gravity and SHM
  1174. Proton question
  1175. Mechanics of materials
  1176. Fly Wheel on a unimaginable scale!
  1177. Heat generated by friction
  1178. Questions about electromagnetic forces.
  1179. Geocentrism
  1180. Larmor Frequency of 57Fe the earth's ambient magnetic field
  1181. Entropy decrease
  1182. Its elements can separately absorb the electric and magnetic components...?
  1183. Brain Power
  1184. Photons
  1185. A little help...
  1186. velocity proportional to wavelength?
  1187. Physics in ... (Need HELP)
  1188. Wave Refraction
  1189. Magnetic poles flipping and the effect on animals
  1190. Cern
  1191. Transfer and Conversion of pressure to Energy (Kinetic)
  1192. Carbon footprint! Turn your lights off! - Does it really make a difference?
  1193. Hypothetical questions
  1194. Optical problem that eludes me..
  1195. vehicle dynamics programming
  1196. Can someone explain this? (water)
  1197. speed of sound versus frequency
  1198. Sound in a box, in space.
  1199. SI Prefixes
  1200. Magnets and Electricity
  1201. New to physics and The Forum
  1202. Heat transfer
  1203. Microphone in vaccuum
  1204. chemical energy in motion
  1205. Flailing arms
  1206. Tektronix 2246 CRT
  1207. Single slit diffraction?
  1208. electron
  1209. 4 States of matter
  1210. Centre Of Gravity.
  1211. Navier Stokes with chemical reaction
  1212. Any good guides/tutorials for laser use?
  1213. How does a glider glide ?
  1214. Star Ignition Question
  1215. How to expand Debye potentials of a plane wave into spherical
  1216. One physics article
  1217. Lifting power of Compressed Air
  1218. Crumple Zones on Cars
  1219. Quantum theory-compliant interpretation of experimental data
  1220. Noether charge in multisymplectic geometry
  1221. Why is the Majorana mass of a neutrino so big compared to the
  1222. Question about Huygen's principle
  1223. The force of a bullet
  1224. Torque and Bending
  1225. Monte Carlo and Inverse Monte Carlo - Good Sources for Self Study?
  1226. colliding a box with the floor
  1227. if the earth is one big magnet, why there is not current induced in our selfs?
  1228. deceleration rate
  1229. naked gravity
  1230. pound force to kg?
  1231. Burning Calories, Burning Wood, Grams to Cals?!
  1232. Amazing video
  1233. Friction on the ramp vs in-water?
  1234. Two coherent beams crossing each other's path; what will be the effect?
  1235. Hydrostatics
  1236. Energy
  1237. taking the vector E out of the Electric potential equation
  1238. what is magnitude?
  1239. Sick and Tired of Inconsistencies
  1240. Reconciling several views of the electron wavefunction
  1241. Is it possible to make a gamma-ray laser?
  1242. Geometric mechanics: terminology?
  1243. Gravitational Force!!!
  1244. Accumulation of Mass
  1245. Faraday rotation in highly birefringent fiber
  1246. newton's cooling law
  1247. Calculating componants of a falling object.
  1248. Newtons Law on Gravitational Force
  1249. Optics Problem
  1250. Constructive Quantum Mechanics (Relativistic)
  1251. help with question
  1252. Irradiance contrast , stefan boltzmann
  1253. refraction
  1254. Freebody/Force Diagrams
  1255. I want to Ionize Hydrogen in a Balloon
  1256. Magnetic dipole in an external magnetic field
  1257. TE TM fields calculation
  1258. Voltage to Pounds calculation
  1259. Dimension of momentum per metre
  1260. Try telling me this
  1261. differential equations in physics
  1262. Relativistic kinetic energy formula
  1263. Is there a maximum upper limit for photon energy?
  1264. Canonical Commutators, Rest Mass Commutation, and Dirac's Equation
  1265. Re: Gravity at the Molecular Level
  1266. Referee report on "Newtonian limit difficulties of GR" and
  1267. 'Keep It Cool Box' Problem.
  1268. Potential and electron distribution in circuits and cells
  1269. Aparent contradiction - pressure and velocity
  1270. Dielectric
  1271. Is there a survey on the wide range of algorithms derived from Shor's
  1272. Scalar vs Vectors
  1273. Lightning Strike and electrical power surge
  1274. how can an antenna capture + recieve EM Waves ?
  1275. Complex stuf Physical Application
  1276. compining lazer beam?
  1277. Uniform boundedness of the functional calculus
  1278. How can you prove the earth is round?
  1279. How does rubbing a magnet over iron, magnetise it?
  1280. Why does gas emit light, when light is shone on it?
  1281. Analogy between E and B fields
  1282. Tangential Acceleration
  1283. Basic Structure & Behavior of The Atom... Oh, and hi!
  1284. density
  1285. plane wave electric field.
  1286. Questions for Igor about canonical commutation
  1287. How does the air polarise the light?
  1288. Practical demonstration of radiation
  1289. Excited lifetime
  1290. EM waves - wave equation derivation
  1291. Vc - what is it?
  1292. Can Someone Explain This To Me?
  1293. speed/velocity c in GR
  1294. Entropy
  1295. audio feedback
  1296. What is an instanton correction?
  1297. Quantization of gravitational momenta
  1298. Help save usenet news for Time-Warner customers
  1299. Speed of light and air resistance
  1300. Natural Units
  1301. Friction
  1302. Definition of Minkowski spacetime
  1303. z shift in 'rigid' linearly accelerating reference frames.
  1304. Vacuum Sphere
  1305. projectile motion with air resistance
  1306. Is it possible to solve this?
  1307. Questions about Phase Space
  1308. Experimental Methods
  1309. Friction coefficient ramp
  1310. Example Help?
  1311. Water freezing?
  1312. Supersymmetry generator(s) ?
  1313. New physics equation: electric field - potential - space charge
  1314. Penrose-Newman in a Nutshell
  1315. The quantum of convective heat?
  1316. Special Relativity with an Aether Velocity
  1317. Biodiesel
  1318. Effect of Atmospheric pressure on Butane /propane
  1319. transformers and tesla coils
  1320. Q Factor, Volts times Q
  1321. Parking uphill without a curb - question
  1322. Grade 10 physics reviewer questions (QUICK)
  1323. why do we derive analytic solutions
  1324. Understanding how energy disappears
  1325. why do you stumble forward when a bus starts moving?
  1326. What is the shortest wavelength recorded for a photon?
  1327. Welcome! to the Physics Newsgroups
  1328. Dark Energy and Photon Dispersion of Gamma Rays
  1329. Electric eel
  1330. kinetic energy
  1331. potential energy
  1332. How can I determine the IR frequency?
  1333. Power wind calculation and blade area
  1334. car accident
  1335. Fermat's principle
  1336. sound propagating in air inside a tube
  1337. symmetry in floating objects
  1338. Free-electron laser with 10^-15 meter wavelength for P-P fusion
  1339. definition and interpretation of entropy
  1340. Making Light
  1341. Ball in an Accelerating Bus moves backwards
  1342. Behavior of Systems
  1343. single photon through glass
  1344. Who coined the term "relativistic mass"?
  1345. Difference between incompressible viscous and incompressible inviscid flow.
  1346. Conservation of Velocity
  1347. Chiral gravitation on arxiv
  1348. Help! Projectile Motion High Speed Camera
  1349. how to detect the TE mode and TM mode?
  1350. hankel orthogonality
  1351. Is there a rigorous definition of "quasiparticle"?
  1352. Quantum General Relativity without Quantum Gravity -- a Field Law
  1353. Light
  1354. Inelastic Equations
  1355. absorption and reflectance spectrums
  1356. Gravity non-renormalizable,yet with a finite number of "counter-terms".
  1357. gasoline vs ethanol
  1358. rocket propulsion and "vortexes"
  1359. Surprising lightning observation
  1360. N=(2,2) SCFT string theory confusion
  1361. Why is food cooked differently by microwaves than by an infra-red grill?
  1362. Area efficiency of Miles Per Gallon
  1363. I come to these forums for one thing and one thing only.
  1364. Sound to infrared conversion
  1365. Complex potential / conformal mapping
  1366. Critics Fear Collider Could Doom Earth
  1367. Cancer Early Warning Device-Contact-Field Optical Microscope
  1368. Commutation Relations between L_i , x_i , p_i
  1369. Questions about aneutronic laser fusion.
  1370. four point probe help
  1371. The Source of All Light
  1372. Wind Load, Mass, & Impact Force
  1373. Tea in Milk Question
  1374. Particle Trapping
  1375. crimped loop
  1376. Measurement Question.
  1377. Density correlation question
  1378. Correlated electron-positron spectrum
  1379. Photon is the Energy to Maintain all Kinds of Life on Earth
  1380. Q:Negative water pressure electrolysis?
  1381. feynman path integral
  1382. electricity generation without using magnet
  1383. 2-liter bottle harmonics question
  1384. powdered neodymium magnet
  1385. LCD display and viewing angle
  1386. solar cell Efficiency & thermal ?
  1387. Question about rapidly cooling air, and the resulting density
  1388. microwave cavity and chamber
  1389. I know I'm not losing my mind
  1390. What would happen if...
  1391. polarized sphere
  1392. Refraction and constant frequency
  1393. Microwaves and Weird Neighbors
  1394. E=mc^2, but m can change...
  1395. Question on Berry Phase
  1396. Seeing fluid on the surface of your eye - how does this work?
  1397. Laser
  1398. Most efficent Portable Energy sources
  1399. Diy Crt
  1400. Thought Experiments
  1401. "The Amateur Scientist" archive articles are back
  1402. Published paper is needed
  1403. Imperial, metric, U.S. customary units...
  1404. Q; Thermodynamics of radiation
  1405. force on charged particle to enter electric field perpendicularly!
  1406. Poincare's method in perturbation theory
  1407. rain drops
  1408. Check your tire pressure
  1409. One last thought experiment
  1410. Basic question about weight
  1411. Higher dimensional proton decay operators.
  1412. The Foldy-Wouthuysen Velocity Operator -- Is this Correct?
  1413. Zip Wire Loading
  1414. Similarity beetwen magnetic and gravitational field
  1415. mediating particles
  1416. Why is a space probe spinning around its own axes, when flying through space?
  1417. Electromagnet Question...
  1418. Basic question about Lenz law
  1419. temperature & molecule speed
  1420. free energy??
  1421. Non-Euclidean Recommended books
  1422. Exact value of Hydrogen line?
  1423. Charge on hollow metal sphere
  1424. lightning in the sky
  1425. Application of cameras...
  1426. Voltage Seconds
  1427. How to analyze data.
  1428. Simple Statics Question: Three Legged Table
  1429. Basic question on right hand slap rule and electric motor
  1430. thought experiment - micro gate
  1431. Torque Rod
  1432. measuring work using elastic system
  1433. Charge distribution within a solid conductive sphere
  1434. Initial velocity
  1435. Electron beam/atmosphere interaction
  1436. Help with Paintball (-;
  1437. Question regarding thin film interference
  1438. 2d Rigid Body Collision
  1439. energy efficiency and home insulation
  1440. Really basic buoyancy question
  1441. effect Bifinda - Brauna
  1442. Magnetic flux formula confusion
  1443. Difussion
  1444. Hi I have been making my own crumple zone and I need help with this.
  1445. Gamma Ray Gun
  1446. Calabi-Yau surfaces and algebraic geometry
  1447. Boundary Conditions, Continuum Mechanics
  1448. Question regarding air flow in a closed circuit
  1449. General Relativity- the Sun revolves around the Earth?
  1450. Physics of cracking a Whip
  1451. Car travelling at constant speed (embarassed to ask)
  1452. I violate law of energy conservation
  1453. 2d Collision Physics
  1454. resistance in a lasing crystal
  1455. Oxygen flow
  1456. skin depth challenges?
  1457. Star Trek Nerd: What are force fields and why dont we have them?
  1458. Hyperspace is making me dizzy
  1459. Basic question about newton's law
  1460. if photons have no mass, then how can they travel the speed of light?
  1461. Impact Force...
  1462. Kelvin and Watts
  1463. sweating on line
  1464. Color and mode of transition of heat waves
  1465. Torque of different sized gear or fly wheel
  1466. The origin of conservation of momentum
  1467. one question about xiclotron
  1468. Energy and Gravity
  1469. Experiments that revealed light's nature.
  1470. Welcome! to the Physics Newsgroups
  1471. Gravitational Redshift On Rotating Disk (and its implications)
  1472. photon probability density
  1473. Transition from classical continuum mechanics to point mechanics?
  1474. Question about the force of a falling object.
  1475. Examples of resonance of sound in tubes
  1476. Question about draft (probably wind blowing up in your room)
  1477. Why is there no induced emf in electric motor?
  1478. Vacuum Fluctuation Dimensional Constraints
  1479. What kind of current creates magnetism?
  1480. Hammer Vs. Bullet
  1481. SIMPLE HARMONIC MOTION--help needed
  1482. rubber bouncing balls
  1483. How does electromagnet works?
  1484. Thermal conductivity problem
  1485. Density to spherical radius collapse ratio?
  1486. Homemade Mass Spectrometer
  1487. KAM curves
  1488. Bikini, bucket, and a hose (water displacement)
  1489. Wire does a loop of wire create a norh pole and a south pole
  1490. when saying that AC creates magnetism...
  1491. Line tension attached to Parasail?
  1492. Physics Experiment Equipment Resource?
  1493. Acceleration from a spring
  1494. A new way to get Hubble-like redshifts
  1495. Best position for a dehumidifying block?
  1496. Orbital forces
  1497. what's the relation be zmole and mole?
  1498. Laptop and cell phone batteries
  1499. Potential Research
  1500. Another approach for explaining the acceleration of the universe
  1501. Expected value
  1502. The Dirac and Newton-Wigner Velocity Operators and the Speed ofLight Fermion Perplexity
  1503. On Penrose's argument against density operators
  1504. Force of a Falling Object
  1505. Valid Inertia Tensor
  1506. Uniform Spring Force?
  1507. "High-siding" a motorcycle
  1508. How does lorentz law affect a single charge?
  1509. Cooling a room with A/C (w or w/o a fan)
  1510. Expansion of diesel fuel
  1511. Refraction question!
  1512. projectile rebound:good or bad?
  1513. Ampere's Law
  1514. Transformer when output circuit is open
  1515. What are Charges?
  1516. one question about newton's law
  1517. question on force
  1518. Question on Bernoulli's law
  1519. Wiki Article on Foldy-Wouthuysen Transformation
  1520. Why and How of the schuster's method.
  1521. Photon
  1522. Formula for mixing liquids of different temperatures?
  1523. Vector analysis for a variational problem
  1524. Questions on light and photoelectric effect
  1525. conductivity,permittivity & permiability
  1526. basic magnet question
  1527. electric and magnetic fields of a moving point-like charge
  1528. getting to the speed of light
  1529. Help with Newtons 2nd applied to Rocketry
  1530. Road to Reality solutions
  1531. Question about light and sound.
  1532. q. about the result of the dual-slit setup with an additional slit
  1533. "Ghost Detectors"
  1534. orbital and spin angular momentum
  1535. formula or list needed for gas 'critical temperature' calc
  1536. Hello, can anyone help me with this formula?
  1537. Why T for Kinetic energy?
  1538. Test Banks?
  1539. How dangerous might my countertops be?
  1540. What is energy
  1541. The physics behind air/fuel ratios in 4-stroke engines.
  1542. Causality question
  1543. the dot product on electric potential
  1544. Optics, far point, near point
  1545. Need help finding magnets for experiment...
  1546. Analytic continuation
  1547. Why does ELF radio need more watts than MW radio?
  1548. Does dark matter contribute to the mass of planets and stars?
  1549. "Color" symmetry
  1550. kJ and lux
  1551. Gallium Arsenide
  1552. Questions about plasma physics and other stuff
  1553. neophyte GR question
  1554. Expansion coefficient of liquid Propane ?
  1555. Index of refraction
  1556. left/right
  1557. Measuring angles using accelerometers
  1558. Simple reflection question
  1559. maybe philosophical question
  1560. the constancy of the energy of the universe?
  1561. Speed of Wire faster than Speed of Light???
  1562. How does a commutator reverse the current?
  1563. A topic for a 5 min speech
  1564. spinning masses
  1565. The Crookes Radiometer
  1566. test---ignore
  1567. magnetic field and current
  1568. vehicle-car crash physics
  1569. Question about intensity and area
  1570. Trouble with the idea of frequency.
  1571. Thin Film Interference
  1572. Confused about my frisbee (flight dynamics)
  1573. effects em fields have on em waves
  1574. Question about earth's magnetic field strength
  1575. Question >> Atmospheric pressure
  1576. PEM fuel cells, why the membrane?
  1577. Work done by an Electric Field Clarification
  1578. Sheet Analogy for Space Curvature
  1579. Pressure vessel leakage - time to equalize
  1580. Stages of Ionization
  1581. Relative intensity changing with temperature?
  1582. Time and Temperature
  1583. Broglie wavelength
  1584. Black ?
  1585. Generators and electrons
  1586. gravitational equilibrium between earth and sun
  1587. water in methanol
  1588. Unusual pulley problem
  1589. Surface plasmons to generate coherent photons from non-coherentphotons?
  1590. Light matter
  1591. Converting magnetic field strength into a vectorial distance.
  1592. Laser Molecue Excitement
  1593. electromagnet question
  1594. Force, the things you forget.
  1595. Generate coherent photons from incoherent plasmons?
  1596. Velocity vs.Time graph
  1597. Complete noob , got many questions
  1598. Refractive Index Matching
  1599. Cloud Chambers and cooling
  1600. Cosmic explosion or something
  1601. Question About Fields.
  1602. Double slit experiment --WHAt is it it showing or proving
  1603. Waterskiing
  1604. introductory numerical/lattice QED package/text?
  1605. Persistent currents in normal metals
  1606. Law of conservation of energy
  1607. Force/density difference in liquid question
  1608. What do we know about gravity?
  1609. Boiling water produces how much air?
  1610. what is mean by "charge in an electrostatic equilibrium" ??
  1611. Equivalent energy stored in compressed gas
  1612. gas diffusion and gravity
  1613. Polarization in Interferometry
  1614. Magnetic field or photon
  1615. Rayleigh one-two photon? dipole aprox
  1616. Wavelength and Aperture Size
  1617. What is a particle?
  1618. Wires from an AC motor
  1619. Forces/Simple Machines
  1620. electric flux definition confusion
  1621. Feyman Diagram - Represent QED model(s)?
  1622. flywheels and inertia
  1623. Radiation heat Pump
  1624. Question about Calculating Expectation Values in Free Dirac Theory
  1625. empirical evidence for gravitational field of EM radiation
  1626. Electromagnet winding
  1627. Need help for toboggan speed
  1628. Why is the Earth a perpetual motion machine
  1629. Time evolution in GR
  1630. Schrodinger's Equation
  1631. Discharging Capacitors into Capacitors
  1632. Electromagnetic Induction and Magnetism Questions
  1633. Elementary Electronics physics resources?
  1634. Magnetic force vs gravity
  1635. Microgravitational field resulting from Wienberg's inversion ofEinstein's general postulate.
  1636. elements of reality and quantum complementarity
  1637. spectrum of light
  1638. buoyancy question
  1639. Wave orbital velocity components
  1640. What does this mean?
  1641. Statistcally different results
  1642. Bell Resonance in Air vs. in Water
  1643. Relation between work and change in energy.
  1644. GRAVITY its time we figured it out.
  1645. AC Stark Effect
  1646. Measuring acoustic energy
  1647. Will the universe run out of energy?
  1648. Lamb-Dicke Regime
  1649. Thermal Radiation from a Liquid or Gas
  1650. Reversing Entropy
  1651. Fulcrum problem (I think)
  1652. GYROSCOPIC stability???
  1653. CasebyCase: Halfing the amplitude of light
  1654. Fate of matter with universal heat death
  1655. basics about radiation question
  1656. 3rd Quantum Interaction Symposium
  1657. Proca theory & renormalization
  1658. Faraday's Law of EMI
  1659. New solar cell and the 2 nd Law
  1660. Electricity & Magnetism: Circuits and the movement of charge...
  1661. Invisibility Cloak - new advances
  1662. Light Speed and Space
  1663. Biomechanics question!
  1664. Ways to bend radiation question?
  1665. Urgent: The subject of my project !
  1666. Lorenz gauge
  1667. hypothesis for dark matter
  1668. Inquiry: impact on non-zero neutrino mass on the standard model of
  1669. ram air
  1670. List of materials and their damping properties
  1671. Ballistic and Bullet Flight Path Calculation
  1672. dynamo lamp
  1673. Null Physics
  1674. Trying to Understand the Role of Water in Combustion
  1675. why cant u go to outer space like an upwards climbing roller coaster?
  1676. Convering Len
  1677. energy use exerting gravity
  1678. Seeking distance learning programs in physics (M.A./M.S. level)
  1679. Uniting quantum physics with the theory of relativity
  1680. a confusing torque phenomena
  1681. Magnetism and energy
  1682. constant water pressure
  1683. Related T, f, W, R to circular motion.
  1684. color transmittance measurement
  1685. Question about semiconductor
  1686. Is the energy and mass of the universe constant??
  1687. Why does light travel at varying speeds through different materials??
  1688. Calculate a thermal expansion pitch change
  1689. Weightlessness due to gravitational field
  1690. flow of liquids experiment
  1691. Welcome! to the Physics Newsgroups
  1692. How big are photons compared to electrons?
  1693. Continuity Equation
  1694. Maximum CFM through a pipe
  1695. Exponential Growth
  1696. nwebie,formula for drag of submerged object...
  1697. How come speed of sound is not releated to frequency and more?
  1698. Newton's Law
  1699. An Easy Question
  1700. speakers and work?
  1701. Questions regarding electrostatic charge decay.
  1702. Water For gas a scam?
  1703. Wavelength and amplitude. Are they related?
  1704. Are the W bosons charged before electroweak symmetry breaking?
  1705. Query about Pionieer anomaly
  1706. One Electron
  1707. Heat absorption, IR - light - UV, differences?
  1708. SPRING CONSTANT- simple harmonic motion
  1709. how to calibrate a rotational measurement device
  1710. Simple Harmonic Motion
  1711. wind turbine cut in speed decrease.
  1712. Converting wattage to KWH?
  1713. energy to charge capacitor and stored energy
  1714. Soap films
  1715. Refraction and reflection
  1716. Moments of inertia in image processing
  1717. Meaning of low temperature
  1718. Conservation of information in quantum mechanics
  1719. Is there any proof that electrons can absorb photons?
  1720. initial entropy
  1721. Dark matter questions
  1722. Fourier transforms in crystallography
  1723. lenses and infinity
  1724. [x-ray physics] refractive index
  1725. Impact of rim weight on energy output when biking uphill
  1726. Is there a weapon that beams particles like a taser?
  1727. Smallest and largest electromagnetic frequencies
  1728. Double slit experiment revisited: Inconsistency withwave function explanation?
  1729. Cleaning Viewing Ports on a Magnetron System
  1730. Wireless electrical power tranmission.
  1731. Is holding something in a gravitational field "doing work"?
  1732. Correlation between 2 magnetic pull force, air gap, and rellative angles.
  1733. Looking for a low temp actuator or motor
  1734. SHM --> F = -kx
  1735. SHM question
  1736. cells and ion cyclotron frequency
  1737. What Exerts a Force on a beam of Light?
  1738. Crook's Tube Experiment
  1739. gravitational radiation from merging black holes
  1740. Effect of Gravity on acceleration measurement
  1741. Spinning ball Anomaly
  1742. Energies of gas particles
  1743. overdamping!!!!!!!!!
  1744. Info Gathering for Book
  1745. Heat: blankets v sleeping bag
  1746. Faraday Cage Concept and Building Questions
  1747. Weight of a pushup?
  1748. radiation problem
  1749. beta scattering.PLEASE HELP
  1750. Uncertainity Qns
  1751. Explosion/Blast Waves Simulation
  1752. Gluons and quarks
  1753. Another question about complex potential
  1754. Longitudinal Waves Help Wanted
  1755. the photovoltaic effect
  1756. Artist needing some assistance with a project utilizing mirror reflections
  1757. Rigid Body Collisions
  1758. Open Air Spark Gap Properties. Why Does Electrode Material Matter?
  1759. Nuclear Fusion vs. Photons
  1760. Dark energy field amplification?
  1761. Point At Center Of The Earth Which Is Neutral In Gravity?
  1762. Crook's tube experiment cont'd
  1763. Math behind mixing two colors
  1764. Water Flow Rate From A Tap Attached 2 A Tank
  1765. freezing salty water
  1766. Armour Info
  1767. Complex numbers
  1768. Does Initial Velocity Effect Gravitational Accleration?
  1769. specific heat integral
  1770. Representing light waves
  1771. Total internal reflection with Sound?
  1772. Gravity as Expansion
  1773. Where does the loss of gravitational potential energy goes?
  1774. Radiation of heat - how?
  1775. Kinetic absorption
  1776. Point particles
  1777. lumped v. distributed parameter
  1778. Mirror dark matter discovered?
  1779. Sounds of Moving Objects
  1780. Critical Damping: T/4???
  1781. Buoyant Lift Creates Useful Energy?
  1782. higher order moment decomposition for exponential distributions
  1783. 48 Majorana fermions in type II?
  1784. Turbulence
  1785. Electric Circuit Theory Concept
  1786. Spring Battery
  1787. Gravitational Potential Energy
  1788. Proper notation on this site
  1789. Quick question...
  1790. Physics behind gymnastics
  1791. CO2 concentration
  1792. Vortex tube: effect of cooling
  1793. Air resistance with Projectile Motion.
  1794. Hydrodynamics Question
  1795. shower and curtain effect, what's happening?
  1796. Electric Charges in Humans...
  1797. Power generated by elite runner.
  1798. Covariant Quantization Commutations
  1799. If e-magnetism is billions of times stronger than gravity then why a small magnet is
  1800. Jesus on a video
  1801. electric, magnetic, and electromagnetic fields
  1802. Orthogonally polarized modes in pulsar radiation. Is the problem already settled?
  1803. Experiment for specific latent heat of fusion of ice
  1804. Rarefaction? How is it formed. Sound!!(Simple question)
  1805. Energy Released by Hurricane
  1806. EMF radiation / faraday cage
  1807. Particle displacement vs time graph of sound. How can this happen?
  1808. Integral of scalar curvature of S^3
  1809. Certain Cylinder Proportions
  1810. Comparison Between Two Isolated Systems
  1811. Hearing sound 3 seconds late
  1812. What causes light pressure?
  1813. Optimal speed for deviation of a spinning sphere
  1814. effect of centrifigual force on a gavity bound object
  1815. Coulomb forces needed to pull atoms from solid
  1816. Friction & tyres
  1817. Physics of table tennis
  1818. understanding magnetism
  1819. Light velocity and direction
  1820. Angular Momentum
  1821. Does polarization affect the results of the 2-slit experiment
  1822. Can sound use light as a medium to pass through?
  1823. Sound - Order question
  1824. relationship between density and elastisity
  1825. Synchronized random bit generator
  1826. simple problem i need help with
  1827. Radiation + Heat
  1828. Supersonic while stationary
  1829. Physics modelling problem.
  1830. why is there EMI and vice versa
  1831. Ionization
  1832. Net displacement
  1833. Log(meter) is about 80?
  1834. Conversion help please
  1835. earth disappear!!!!!!
  1836. the decrease of the information v.s. chaos ??
  1837. Does it matter if I turn my computer off?
  1838. Thermodynamic cycle design software
  1839. Can the Bose-Einstein Condensate reach 0 K?
  1840. Superpositon of energies vs. Superposition of forces
  1841. question on ring vortex
  1842. Ionization energy for He gas tubes
  1843. Water
  1844. help me! physics project! projectile
  1845. Standing waves
  1846. IP topic is badly needed here.
  1847. Attenuation
  1848. Electrodynamics vs. Electromagnetism: On the use of either term
  1849. How can the overall potential energy be the same in these two examples?
  1850. invariance of scalar dot product across inertial and non-inertial frames
  1851. Journal: Chaos, Solitons & Fractals
  1852. This Week's Finds in Mathematical Physics (Week 269)
  1853. Imperfections of classical thermodynamics
  1854. My paper on entangled states and EPR paradox
  1855. publishing...
  1856. Welcome! to the Physics Newsgroups
  1857. Re: What is third quantization?
  1858. please help me !
  1859. MZI add drop (bragg gratings)
  1860. Question on the properties of light
  1861. vectors questions.
  1862. Wave questions and Čerenkov radiation
  1863. Breaking Glass
  1864. Is Space Discrete?
  1865. symmetries
  1866. Photon Bandwidth
  1867. Mnemonic for ER Spectrum?
  1868. Car acceleration physics
  1869. Resonance
  1870. Magnetic/gravitational terrestrial positioning?
  1871. Manometers
  1872. Physics of Immortality, Tipler
  1873. Meaning of equiprobability principle in statistical mechanics
  1874. Total error in a measurement.
  1875. Do we know what energy "is"?
  1876. Germicidal UV and Wavelength
  1877. Problems with the LHC?
  1878. Local expansion of the density matrix
  1879. Curcuits Electricity
  1880. Motors & Generators practical investigation ideas
  1881. General question on fulcrum
  1882. Is matter made of energy?
  1883. Why do we say motion is relative?
  1884. Metronome speed when initial velocity and distance are known
  1885. does sound have gravity?
  1886. Me, Thinking About A Jump and A Fall
  1887. Finding acceleration
  1888. Resistors
  1889. Gas expansion ratio
  1890. Conductors Insulators
  1891. Reflection of water?
  1892. 400 Newtons to the Layman?
  1893. specific charge
  1894. Sound questions about waves (Violin vs Flute at 256-Hz Tone)
  1895. Which force stops me falling through my chair?
  1896. Non-extensive entropy
  1897. Large Hadron Collider
  1898. Did Fleming Explain about His rules completely?
  1899. inductor
  1900. Electromagnetism
  1901. Physics is Just DEs?
  1902. Time and Freewill
  1903. Differential geometry in Gauge Fields, Knots and Gravity?
  1904. Does Quantum Theory Predict Optical Rogue Waves?
  1905. Are mini black holes dangerous?
  1906. Law of Conservation. How is this possible?
  1907. Question about Photoelectric Effect versus Compton Scattering.
  1908. How to describe characteristics a parabola?
  1909. easier riding a bike
  1910. Airplane Wings
  1911. where do the lines come from?
  1912. A great fall
  1913. jogging bicycling or driving, most energy efficient?
  1914. Is the universe an open or a closed system?
  1915. light frequency to energy
  1916. Calculating pressur produced by explosion
  1917. Sound dissipating
  1918. Pounds of Force inherent in human (or superhuman) Feats of Strength
  1919. Time taken to free fall to centre of earth - if allowed?
  1920. A Question About Weinberg's Electro-Weak Lagrangian
  1921. Galileo's Dialogues
  1922. High Voltage Supply
  1923. Can fire produce shadow?
  1924. microblackholes
  1925. Entanglement and the twin-slit
  1926. what formula can i use?
  1927. Need formula re time required to dissolve gas into liquid
  1928. make grape plasma in magnetic feild?
  1929. Which equation for parabola coordinates
  1930. Vacuum Problem (pumping speed and pressure as a functino of time)
  1931. Simple Question regarding Levers
  1932. Measuring the lifting power of an out runner motor
  1933. How to put the lens?
  1934. Permeability in the soft x-ray
  1935. Why ball turns when rotated after being kicked.
  1936. why do ice cubes stick together?
  1937. Counterbalance equation
  1938. General questions about Fraunhofer diffraction
  1939. Help!!!
  1940. Tennis Ball- Is this possible?
  1941. Re: Problems with the LHC?
  1942. freezing water in an unexpandable container?
  1943. Linear Motion to Angular Motion via an Impulse
  1944. Amp hours to Farads conversion
  1945. Air resistance on a rotating cylinder
  1946. Errors, errors...
  1947. Work with magnets
  1948. Couple of Physics Question dealing with momentum, force, etc..
  1949. charge a insulated metal sphere with a negative charge rod
  1950. Radioactive energy as an alternative energy source?
  1951. Micro black holes; why wasn't LEP supposed to produce any?
  1952. This is not a homework
  1953. torque about an accelerating axis
  1954. E=mc^2
  1955. Temperature Dependence of Dielectric Constants
  1956. color investigation
  1957. NMR Q: Why an RF pulse can rotate Mz so fast
  1958. Levi-Civita proofs for divergence of curls, etc...
  1959. I have a very basic question
  1960. AC electromagnet
  1961. What is the cause of gravity?
  1962. Atmospheric powerplant
  1963. The concept of measurement
  1964. Circular motion of water in a glass
  1965. Amplitude-frequency relationship
  1966. Is it possible to control the illuminance of atoms?
  1967. inertia and equlibrium of machines
  1968. Surface area vs rate of evaporation
  1969. Rotate earth with a rocket
  1970. Work
  1971. how powerful does a magnet have to be before a grape shoots plasma
  1972. Rotator
  1973. Displacement vs. Point of Origin
  1974. Liquid Nitrogen Withdrawl
  1975. Pushing more weight than you, does muscle matter?
  1976. Desructive interference = destroyed energy?
  1977. Constants
  1978. Hamster in Cage: Internal or External Forces?
  1979. Physics Formulas To Proof
  1980. TORQUE calculations for Brushless dc motor.
  1981. Why can you see stars (1/r or 1/r^2 dropoff of power)?
  1982. Sound Questions
  1983. momentum and velocity?
  1984. What pump is this and how does it work.
  1985. Kinematics
  1986. Question about syringes
  1987. electric potential
  1988. solinoid construction
  1989. TEA nitrogen laser experimenting
  1990. Calculating the coefficient of friction of a car going down a ramp
  1991. Why are Photons affected by gravity?
  1992. Foucault Pendulum Question
  1993. directional water pressure?
  1994. Help ... Strongly needed
  1995. significant digits
  1996. space, mass & energy
  1997. KMT description of atmospheric shockwaves, anyone?
  1998. Does conductors have refractive index for electrons?
  1999. Questions about Adiabatic Quantum Computation
  2000. Boltzmann transport equation
  2001. combining two fans for more power.
  2002. electrostatic basic
  2003. Creating the greatest bubble
  2004. Help with coil winding
  2005. Thermal energy to expand gasses
  2006. How does an eraser work?
  2007. Energy Scattering
  2008. Squeeky Toys
  2009. changing magnetic field
  2010. Good design references for monochromators
  2011. Space Elevator and Centrifugal Force
  2012. Equality between centrifugal force and V
  2013. A quick question about momentum variables
  2014. Sound wave questions
  2015. Buoyancy Problem
  2016. Buoyancy Force of Air
  2017. Resistance of a resistor and the energy and power dissipated
  2018. RF heating in Paul trap
  2019. Vector parallel propagator on a CTC in GR
  2020. Confused about energy in a system (Understanding)
  2021. Question about water...
  2022. transformer
  2023. Mechanical Energy and Electricity
  2024. Air Drag formula?
  2025. What are the problems with defining a 'squared velocity tensor'?
  2026. Question about uncertainties
  2027. How much height does a bouncing ball lose after its first bounce?
  2028. A quick question about Rheostat...
  2029. Confusion!!!
  2030. Light intensity
  2031. light and mirrors
  2032. infinite energy and conservation
  2033. easy question
  2034. Hi I'm new to physic. "What does 'traverse' mean?"
  2035. Entropy of a perfect gas at 0 kelvin
  2036. Infer maximum covered distance
  2037. Vacuum Capacitance
  2038. pounds is a unit of mass or weight
  2039. Calculating Amplitude HELP!
  2040. is the acceleration due to gravity positive or negative
  2041. Snell's Law Variant
  2042. Wired question request some pro help
  2043. Potential Energy After Escape Velocity
  2044. When is turbulence beneficial?
  2045. Speed of light in pure Hydrogen
  2046. Thermal masses in particle kinematics - thermal field theory
  2047. Vehicle: Force - Velocity Question
  2048. selecting a lamp
  2049. A question about air
  2050. Twice as hot / cold...?
  2051. Are all photons identical
  2052. Where do magnets get their energy from?
  2053. Closed end tubes
  2054. Question about conservation laws & Feynman Lectures
  2055. understanding horizontal and vertical components of a falling object
  2056. Mirror alignment
  2057. How can a theory be verified?
  2058. Bubble ring phenomenon
  2059. Work in space
  2060. Quench Management
  2061. please help me for a calculation! why my value different from that of literature????
  2062. What makes noise
  2063. Physics Question for Science Fiction Story
  2064. Another gravity question
  2065. Microwave propagation & composites
  2066. Michelson-Morley
  2067. Question about stresses in material due to elastic and piezoelectric
  2068. Question related to fill in boundary conditions in comsol
  2069. Comments on Double Slit Experiment for Accurately measuring distances?
  2070. g-forces
  2071. not freezeing water
  2072. Uncertainty of the speed of light in vacuum
  2073. breaking up atoms
  2074. Atomic wieght.....
  2075. Projectile movement with drag
  2076. acceleration due to gravity
  2077. Affect of gravity instant or not?
  2078. Refraction - what's happening for real
  2079. Use of σ in quoting measurement accuracy
  2080. Electric field and current in a conductor
  2081. define time, mass , or matter
  2082. Taser: can you disperse or ground the charges?
  2083. Wave
  2084. magnetic field
  2085. Vapour pressure
  2086. Interesting paper
  2087. is it true that when symmetry breaks, that which is invisible becomes
  2088. What it's like to Travel on a Light Beam
  2089. "Feeding, Caring for and Maintaining Your Black Hole" by Bozo de Niro
  2090. A rigid building.
  2091. Water Electrolysis and Water Dissociation with RF waves
  2092. Speedometer princible
  2093. What is the NET FORCE?
  2094. Internal energy does or does not depend on volume of molecules?
  2095. Equation help desperately needed! Faraday Equation.
  2096. Physics riddle (relocate if necessary)
  2097. What's the millinewtons?
  2098. Magnetism Another Element to Manipulate?
  2099. How a Good Conductor is always a good Conductor
  2100. General Physics Question
  2101. Subspace question
  2102. Details of how electricity and radio work
  2103. Electromagnetic Waves
  2104. How do you explain the . in laymen words (i.e. in the unit N.s)?
  2105. Dielectric constant and strength
  2106. Question about the contracted Christoffel Symbols
  2107. Density, Temperature Profiles
  2108. MOEPED 6 Update: 3 to 1 ultracapacitor bank
  2109. Numerical Simulation Density Profiles
  2110. The quadratic divergence of the Higgs mass - not a problem?
  2111. Mathematics and Information
  2112. high-power electricity through Salt Water
  2113. Beer + liquid NO2
  2114. Binary cycle power plants – One small part I don’t get
  2115. Lagrange Constraint Examples?
  2116. Speed Increase calculation for air over a wing.
  2117. question involving Force vs. acceleration graph
  2118. Bone Decompression
  2119. Basic question about mass and weight
  2120. How do grenades kill people?
  2121. Gravitational wave
  2122. speed of transfer of disturbance in E,M field
  2123. Organ Pipes
  2124. Is Reynold's number really matter?
  2125. Light Dependent Resistors?
  2126. Potential and Kinetic Energy
  2127. Absolute zero and gravity
  2128. research on physics of table tennis
  2129. hitting moving target with projectile (w/ gravity) 2D
  2130. What's a good beginner's Physics book
  2131. Reversing Grabity
  2132. Brownian Motion
  2133. test posting
  2134. Questions about publication
  2135. how to deal with slowly varying errors?
  2136. external gravity field independent of mass distribution?
  2137. Less gravity on Earth when Dinosaurs roamed because all mass in universe was closer?
  2138. 'Enhancing' light
  2139. Thought experiment
  2140. A question on thermal radiation
  2141. Radioactivity Question
  2142. mechanical properties of solid
  2143. N-Body - Moon won't stay in orbit
  2144. Radiation strength question
  2145. Anti-Gravity propulsion system
  2146. Temperature measurement with a Pyromter
  2147. Why each GPS satellite holds four atomic clocks?
  2148. Rays?
  2149. Visual perception experiment
  2150. Educative physics game.
  2151. Water Rockets
  2152. Can we see electrons?
  2153. Classical and Quantum Mechanics via Lie algebras
  2154. Explanation of Wavenumber wrt Turbulence and Energy dissipation
  2155. Seeking easy to understand science facts behind simple experiments
  2156. A fast fly hits a train and then...?
  2157. Potential Energy (ATP)
  2158. Water Waves' velocity, wavelengh and amplitude
  2159. Injury of two animals falling
  2160. Symmetry breaking?
  2161. Communication with no time boundaries?
  2162. What's the significance of pi?
  2163. Electromagnetic Waves
  2164. hydrogen power maths
  2165. Klein-Gordon Lagrange density
  2166. Disintegration of a falling drop of liquid
  2167. Relationship between E and 1/r
  2168. Electron 'orbits' question
  2169. question about rf signals..(yes i think this does relate to physics)
  2170. Using a multimetre!
  2171. Magnitude Of Force Between Magnets
  2172. Gravitational field differential between dead and alive cats
  2173. This Week's Finds in Mathematical Physics (Week 270)
  2174. green plants reverse entropy?
  2175. Re: green plants reverse entropy?
  2176. Re: green plants reverse entropy?
  2177. potential
  2178. What is charge?
  2179. tide in an enormous hypothetical canal
  2180. Re: initial entropy
  2181. Re: green plants reverse entropy?
  2182. Q: Calculating gravitation inside a lattice
  2183. Question on good old inertia...
  2184. Classification of the Einstein field equations.
  2185. This Week's Finds in Mathematical Physics (Week 270)
  2186. Mechanics - Soft break effect of a mass
  2187. Can there be infinite energy?
  2188. Maximum Likelihood Fitting normalization (Bevington)
  2189. Pendulum Problem....
  2190. How does a given wave acquire it's frequency ?
  2191. So how many horsepower do you need
  2192. Table of all physics integrations
  2193. static n-body problem
  2194. Deep Water Tsunami Physics And Approx Run Up Heights
  2195. Rockets and Newtons Third Law
  2196. How velocity builds up in space
  2197. Generating a 400,000 Gauss EMF
  2198. Temperature Calculation
  2199. Po-210 in cigarettes, is it dangerous?
  2200. Parallel conducting currents and the relevance of reference frames.
  2201. If mass is constant, will an astronaut weigh the same on Moon ?
  2202. question re archive thread about sine and force and if this applies to bicycling?
  2203. Gaussian Beam Radius
  2204. Equation to relate voltage to distance of a spark
  2205. Radioactive decay questions
  2206. Black body colors question
  2207. Gravitational Potential [Moved from Academic Guidance]
  2208. angular momentum & inertia
  2209. body armor
  2210. Turkey wishbone breaking point
  2211. universal constants changing into new ones?
  2212. help! Topic for AS coursework (sensors)
  2213. Field theory approaches to understanding Quantum Theory
  2214. conceptual question about electric flux
  2215. Photoelectric Effect
  2216. Wheel and Axle mechanics
  2217. After watching a terrifying documentary..Questions
  2218. Closed end open end tube
  2219. pulsed permanent magnets
  2220. Spectra
  2221. Work
  2222. Wifi networks. Dangerous for health??
  2223. Rocket motion
  2224. Centripetal Force
  2225. Speed of Sound vs. Distance
  2226. Objects Moving Apart Under Gravity?
  2227. Transverse waves
  2228. solid state marine propulsion
  2229. Considering E=MC2
  2230. Heat transfer equation within soils
  2231. rangeing due to sci.physics.research
  2232. What advantage of oil in hydraulic brake over air?
  2233. How can an vehicle move faster than the wind that is powering it?
  2234. A Viper vs Veyron post
  2235. Buoyancy Force Question
  2236. Laser Charging Salt Water
  2237. Is there a relationship between temperature and gravity
  2238. Circular Motion Relatinship
  2239. Huygens principle and single slit diffraction
  2240. Correlation of phase for noise
  2241. Green Planet (My project for energy)
  2242. Questions about the nature of the electromagnetic spectrum
  2243. Spectral Content
  2244. Conservation of Momentum: A Simple Question
  2245. Can this be possible
  2246. Cold Fusion
  2247. Exponential map in GR
  2248. Can we calculate the optical illusion?
  2249. Thought experiment: The 'perfect eye' (and a finite set of colours)
  2250. False
  2251. Storing Lightning Energy
  2252. magentic motor
  2253. What damage to the body can infrared rays, radar waves, FM waves, TV waves, "shortwav
  2254. Charge at Dielectric-Conductor Interface
  2255. impact velosity
  2256. surveying scientists' use of computers
  2257. Odd space-time behavior inside a black hole?
  2258. The mass propelled car
  2259. Why do smaller holes shoot higher jets of water?
  2260. how much energy do i produce with my dynamo while cycling ?
  2261. Order in Nature versus Order in Physical Theory: New methodology in physics
  2262. Damping A Magnetic Field
  2263. solar "laser" (for the lack of abetter word)
  2264. Bicycle Shock Absorber Question
  2265. Levitation with Permanent magnets
  2266. balancing an egg (question)
  2267. Acceration to Veocity and Position
  2268. Light in a box.
  2269. What is a second?
  2270. Distorted electric field around object
  2271. TOOLS??? For measuring surface friction?
  2272. Physics of a piston engine...
  2273. Polarized light filtering question.
  2274. Centripital force..
  2275. Maximal entropy random walk and euclidean path integrals
  2276. New theory repairing??? QM and SR
  2277. the effects of temperature variation on the electrical resistance of distilled water
  2278. Why is linear speed at the top of the wheel 2r * omega?
  2279. experimental questions about the law of momentum
  2280. view from the Earth-Moon L5 point?
  2281. Circular motion/Earth- I'm lost
  2282. Why is the pressure of two different liquids in a manometer the same?
  2283. Induced Electric Field
  2284. HVEC AN2000 2.5 MeV Van De Graff Available
  2285. Would Einstein recognize his own theory today?
  2286. Understanding why an angle is the same as another one?
  2287. Relation between velocity and force
  2288. Home made pool heater.
  2289. Light wave orientation
  2290. Why is the acceleration on a point on a wheel what it is.
  2291. Why can i see hidden image with a polarized spec?
  2292. Why is the sky blue
  2293. Please help; don't know much about physics.
  2294. Why is it water only enters the ear sometimes?
  2295. Frequency and absorption
  2296. Scientist makes radio waves travel faster than light
  2297. First principles to find the atomic units of energy,length and time
  2298. Heating oil and outside temperature
  2299. Clothes Iron versus baseboard heater
  2300. What can be done with bigger diamonds?
  2301. Lifting Weight VS Pushing a Scale
  2302. how much does air expand with heat
  2303. Distance cut in half infinitely (shooting an arrow at tree)
  2304. This Week's Finds in Mathematical Physics (Week 271)
  2305. Question about morelet wavelet
  2306. Decibel Question
  2307. X-rays from scotch tape...
  2308. propagator poles
  2309. Vortex Breakdown
  2310. Cars and Thrust
  2311. energy in a charged metal plate
  2312. Linking Pressure, Force and Velocity
  2313. The real deal on the electric eel
  2314. Finding Temperature with Speed?
  2315. Inverse-square law
  2316. Finding a way to convert acceleration datas to angles!
  2317. Directly measure frequency of light source
  2318. Ripples in Ponds and the Wave Equation
  2319. Energy to remove electrons from a conductor
  2320. Dipole Moments of the Planets and the sun
  2321. Can time be a function in any parameter?!
  2322. resonance ans normal modes in an open pipe
  2323. variation in the action question
  2324. How Does Plasma Lamps Work?
  2325. diffusion constant
  2326. Schottky diodes and the Shockley-Haynes experiment
  2327. Free Pivot of a Gyroscope
  2328. Why does a PWM light dimmer actually work?
  2329. Physics Simulation- Angular Velocity Applications
  2330. about ohm law
  2331. Number theory and nuclear physics
  2332. Entropic degradation of the earth
  2333. how would a beamed core antimatter drive appear from Earth?
  2334. Electron mass/energy do not conform to e=mc^2
  2335. 1 Mol = SI Unit - What the...!?
  2336. Removal of space
  2337. Infra red light.
  2338. mass-energy equivalence... where's the arbitrary constant?
  2339. Mechanism of charge interaction?
  2340. Re: propagator poles
  2341. force-area graph
  2342. I want to project a ping-p0ng ball
  2343. Torque
  2344. joules
  2345. hp of hose
  2346. Superposition of two laser beams
  2347. Where do electrons come from?
  2348. History of harmonic oscillator
  2349. Cool resonant mode demonstration
  2350. Weighting Data
  2351. Aerodynamics -- Wind tunnel
  2352. Does ball pen emit laser beam?
  2353. Measuring laser output with Lux meter
  2354. Phase transition on microcanonical ensemble
  2355. Thin Film Interference
  2356. Where are real electric dipoles ?
  2357. Smallest possible circle you can make
  2358. The forces exerted upon surface areas
  2359. What is mass?
  2360. Quick question on forces
  2361. Bicycle momentum
  2362. Diffusion of laser light for measuring laser power
  2363. toy given to einstein
  2364. Question about the output of a car battery in amps
  2365. Photon without speed?
  2366. Flow of fluids through an infinitely thin hole
  2367. Concerning super heated steam???
  2368. Magnetic Bubble Could Protect Astronauts
  2369. rotational motion about a centre of mass
  2370. How do we know the maximum speed of light?
  2371. smart materials
  2372. electromagnetic waves & influence
  2373. Equations related to Bernoulli's equation?
  2374. Differences Between Different Direction Notations
  2375. Waveguiding, Modes, Organic LEDs
  2376. Burning Elements - Visible Light Spectrum
  2377. catylitic tube 4 steam thermolses
  2378. Fraunhofer diffraction and Fourier transform
  2379. Bank Curve Friction
  2380. Origin of Newton's Third
  2381. Optics Help With LED Foglights
  2382. Boiling Internal Energy - URGENT
  2383. Measuring the gas temperature inside a vessel on the outside of the vessel
  2384. direction of magnetic field and direction of current
  2385. focal length of concave lens experiment
  2386. How much mass do you need to create Gravity?
  2387. Enthalpy Calcultor/Software?
  2388. Bending a laser beam's cross section possible?
  2389. Egg Drop with elastic potential energy.
  2390. Downwind faster than the wind
  2391. maximum density for a bose condensate?
  2392. Water Displacement in watts?
  2393. Confusion over Stoke's Law
  2394. shear strain
  2395. Electrical dark, and spectrum noise.
  2396. Omnidirectional treadmill
  2397. Fine structure constant
  2398. Suppose the gravitation has very very tiny deviation from inverse square law……
  2399. Echocardiograms - how do they work?
  2400. Lenses
  2401. Is generating electricity from subway draft efficient?
  2402. The force, which attracts e to nucleus
  2403. Accurate Magnet Computer Simulator
  2404. Mechanics of Electromagnetic Waves
  2405. casimir effect
  2406. Power delivered to resistors
  2407. AOM lenses
  2408. A jet engine question
  2409. projecting images onto mirror
  2410. The Jackhammer Effect
  2411. Directional (ultra)sound speakers
  2412. Relativistic particles
  2413. Time travel
  2414. Stopping light, playing with it, then releasing it.
  2415. trying to wrap my head around dimensions
  2416. flow rate calculation
  2417. Air Flow: Best possible CFM
  2418. I need to know how many FPS it takes to go 0-60 at 6.7 seconds
  2419. what is the difference between mass specs?
  2420. Newton's Third Law with Skimboarding?
  2421. Conversion of Electrical Energy To Heat Energy
  2422. Air pocket
  2423. standard gravitational parameter
  2424. Adding heating elements in series. Will this work?
  2425. why do smaller wheels on a car....?
  2426. Water in straw, then cut straw
  2427. Electro and general magnet questions, need answers
  2428. Dehumidifier and condensation?
  2429. How can multimeter measure temperature?
  2430. Refraction vs Frequency Question
  2431. Superconductor levitating above a magnetic track?
  2432. Gravity in 2D universe
  2433. Question about Power formula
  2434. Gun is a kind of heat engine?
  2435. Potential flow inside a cylinder
  2436. Into what kind of energy does the potential energy transforms in this example
  2437. Why water turbine have higher efficiency then steam turbine?
  2438. Transformers
  2439. Reflection of light
  2440. ear protections, how it works
  2441. Differences
  2442. Friction round a corner
  2443. elastic collision/ projectile motion
  2444. formula for gravity/circular motion in terms of V? (i think...)
  2445. Calculating forces at pivots point in 4 bar linkages
  2446. Sailing downwind faster than the wind: resolved?
  2447. What is Light?
  2448. Specific heat in base units
  2449. Differential motion of smoke particles?
  2450. Why is the magnetic field stronger at this specific point?
  2451. The weirdest and most puzzling problem I've ever encountered...
  2452. Terminal Velocity vs gravity
  2453. Reflection with a complex material
  2454. magnetic recording
  2455. Simulating a Fabry Perot Interferometer..
  2456. Bedside Lamp with a mind of it's own
  2457. Group IV Experiment
  2458. Einzel Lens Operating Principle
  2459. Conservitive electric fields
  2460. Doppler effect in light
  2461. Capacitative current through cell membrane
  2462. Finding velocity from change in potential
  2463. I need some help from smarter people than I
  2464. Archimedes Principle & Specific Gravity
  2465. Strange ice formation
  2466. a moving charge paradox?
  2467. Extra forces to consider against a runner
  2468. Method for determining the difference between two similar optical wavelengths
  2469. Question About Mass and Mass Flow Rate Relations
  2470. safety wire
  2471. Saturn's prehelion precession
  2472. Gravitational field of elementary particles
  2473. Question regarding coherent states and virtual particles
  2474. Questions for quantum physicists only!
  2475. Questions for quantum physicists only!
  2476. Query about Range of validity of field equations in Quantum Field Theory
  2477. Optical Computing: special issue - Natural Computing, Springer
  2478. Strange results of "weak" quantum measurement
  2479. Re: Would Einstein recognize his own theory today?
  2480. What is the Muon Half-Life?
  2481. Fermion kinetics
  2482. Newton's Second Law
  2483. Newons laws on calculating force upon impact.
  2484. Absolute symmetrical sphere become unsymmetry
  2485. need help,baffled!
  2486. Chemical Hand Warmer Triggers
  2487. Why does drop time remain constant regardless of initial horizontal velocity?
  2488. Toruqe
  2489. collision
  2490. Sailing Upwind. What are the theoretical or practical speed limits?
  2491. Observational evidence of chaos
  2492. I want to create a flotation device
  2493. Ball rolling down an incline between 2 rails
  2494. a question about the polarization due to reflection
  2495. In the beginning was the bit
  2496. Are there particle's or masses that travel faster than light?
  2497. Looking for Feedback on a Research Direction: Analytically Exact Calculation of Yang Mills Action
  2498. Progress Report- EMDRIVE, my attempt
  2499. 2-body wave function
  2500. gyroscopic effect on tilting rotor?
  2501. seeking help..plz
  2502. Is time particulate?
  2503. Relative humidity in my house
  2504. Interesting mechanics questions
  2505. Inductance and Capacitance per Temperature
  2506. Can light REALLY slow down?
  2507. Accleration Speed & Time
  2508. DWFTTW - My Way
  2509. How does AC electroosmosis work?
  2510. two flywheel problem
  2511. Preserving Snow
  2512. Archimedes's Principle Lab
  2513. Funny question
  2514. A box of bees
  2515. pressure/amplitude of waves
  2516. Simple Finding Spring Constant
  2517. Calculate water pressure coming out of a pipe
  2518. 2-body wave function
  2519. gravity - particle
  2520. Question about change in entropy of a compound
  2521. Inverted pendulum
  2522. Anti matter (alternate dimensions)
  2523. Galilean Electrodynamics?!?
  2524. DWFTTW - Your Say
  2525. Creating an electric field
  2526. Relationship between gravity/kinetic energy
  2527. Gauss Cannon with Magnets
  2528. How do non planar waves reflect?
  2529. diffraction of a C_60 beam
  2530. Lecture @ The Tesla Museum
  2531. Circular accelerators vs Linear Accelerators
  2532. Impact area of a steel ball on a surface
  2533. Material and manufacturing process of scissor jack
  2534. Why light fades over distance?
  2535. Atmosphere & Space
  2536. The Two forms of Maxwell's equations
  2537. how of He cryo
  2538. total force
  2539. Falling a tree
  2540. Planck Scale and Unification of Forces- new research studies
  2541. Researching ball falling into fluids
  2542. Angular Acceleration and Gravity
  2543. what is energy?
  2544. Electrolasers
  2545. Physics in the 21st century
  2546. lorentz force and cosmic rays
  2547. Diffusion of flavour in a fishing bait
  2548. if eV=pV than
  2549. GRACE and the shape of the Earth
  2550. KMS states - Who are/were KM and S?
  2551. Looking for Help Calculating a Gaussian-Type Integral
  2552. What is gravity?
  2553. Laser and biodegradable materials
  2554. freezing Beer in the Heat!!
  2555. a very ambitious question
  2556. are black/gray/white considered as colors and their properties
  2557. matter at rest
  2558. Hamilton formalism & Lagrange Formalism
  2559. Newton Lagrange Hamilton formalism
  2560. Holonomicness and Classical Mechanics
  2561. Empty Space
  2562. damped harmonic oscillation
  2563. f-number of camera lenses
  2564. Rolling Without Slipping question
  2565. Why do Yellow Tinted Glasses 'Brighten' view?
  2566. Poisson Brackets, symmetry, consevation
  2567. Green's functions for "vector potential" in curved SPACE
  2568. Conservation of SPACE
  2569. relationship between angular speed and temperature
  2570. Liquid helium
  2571. Magnets and currents
  2572. Fog in car
  2573. This Week's Finds in Mathematical Physics (Week 272)
  2574. photon exchange questions
  2575. Understanding LRC Theory Intuitively
  2576. Sliding friction, position/velocity as a function of time?
  2577. Effect of pressure on hydrogen spectrum
  2578. Optics question.
  2579. Energy stored on a capacitor
  2580. How Fast do I need to go to make my landing?
  2581. Ferrofluids Research
  2582. 'Burnt' Pockels cell
  2583. Third Draft, Possible Closed Form Solution to Gaussian-Based Integrals with High-Order Field Interactions
  2584. Question about construction of vectors
  2585. Electromagnetic Motor/ Magnet Orientation
  2586. Backwards Time Travel
  2587. is this correct (buoyabcy forces - irregular object)?
  2588. Galilean beam expander and spherical aberration
  2589. a little brain teaser..:))
  2590. Bell ringing frequency
  2591. Gravity On a Ring Around the World
  2592. Help with an court case
  2593. Is the acceleration constant?
  2594. physical meaning of momentum equation
  2595. Did you see the Star?
  2596. Hamiltonian
  2597. Real world Aircraft landing deceleration problem
  2598. Release of neutrons in a beryllium plate when exposed to alphaparticles (Chadwick)
  2599. Problem in the Defination of electon's wavelength
  2600. A thrustless propulsion device... Help me out...
  2601. Earthquake effect
  2602. What would happen if you tossed one end of a wormhole into the other end?
  2603. Mass energy conservation
  2604. Bath night
  2605. Question about sound
  2606. Pitch of organ pipes?
  2607. sonic boom??
  2608. Electromagnetic induction
  2609. pitch?
  2610. Bungee Jumping Problem
  2611. P-waves and S-wave reflection and refraction
  2612. World whirled
  2613. Measuring magnification
  2614. Finite reflections
  2615. Why does a flag ripple/wave?
  2616. weight
  2617. reason for value of c
  2618. Highest frequency before mechanical failure
  2619. Why wouldn't this work?
  2620. Vibrating a charged block
  2621. upside down plane
  2622. Heat energy transmitted from Lightbulbs
  2623. How do solar sails work?
  2624. Amount of Energy Required to Cool the Intake Air
  2625. Rail Guns don't recoil
  2626. Looking for Feedback on Yang-Mills "Exercise"
  2627. Airy beams and Bessel beams
  2628. Question on Optimality of Unstructured Quantum Search
  2629. Charging by induction - Electrons the ONLY mobile charge carriers?
  2630. Light defration - How can I distribute the light evenly
  2631. Sound
  2632. Electromagnetic Spectrum
  2633. Michelson Interferometry
  2634. Determining flow rate given air velocity?
  2635. How do you tell the moving direction of a wave?
  2636. Pulling or pushing a piston slowly - Heat transferred?
  2637. time and light slowing?
  2638. Swinging pendulum that swings forever?
  2639. How does this satellite work?
  2640. Question about Taking Fourier Transforms in Non-Abelian (Yang-Mills) Gauge Theory
  2641. Ballistic Regime
  2642. Rolling
  2643. Why do noodles make the soup boil?
  2644. Cardboard Boat: Calculating Buoyant Forces
  2645. motion cannot be created or destroyed
  2646. The physics of the classic game Asteroids
  2647. Man on a bike - leans into a corner. How?
  2648. A four dimensional object spinning on it's axis.
  2649. brownian motion is an emergent property?
  2650. Why does water boil faster in a kettle then on the stove?
  2651. do supercunductors pull and attract magnets, or vice versa?
  2652. Household liquids with low surface tension?
  2653. General Rule for Spring Compression?
  2654. relationship between speed of sound and density
  2655. Energy is neother created nor lost? How about E=mc^2
  2656. Why two tides?
  2657. Self-inductance of an inductor - theoretical vs measurment
  2658. Experiment doubt on physics
  2659. Saturated Steam Tables - General Question
  2660. Antimatter annihilation.
  2661. Saturated Steam - Conceptual Question
  2662. Why is physical time-asymmetry vs dynamical law time-symmetry a problem?
  2663. EMI - induced current on two parallel wire
  2664. photons
  2665. Physics Phenomena
  2666. How much force would you need to escape earth's gravity by JUMPING?
  2667. Terminal Velocity
  2668. Chemical Energy
  2669. tire psi--heated debate
  2670. Clarification About Waste Heat
  2671. Special session on Computational Physics at TACS-09
  2672. Calculating Massive Propagators in Yang-Mills,and an Exercise Specifically Applied to SU(2) with an Eye Toward SU(3)
  2673. de Sitter relativity
  2674. CGS units?
  2675. Errors in Multimeters
  2676. Displacement !
  2677. Fiberoptics and Lasers
  2678. Inertial Frames
  2679. Waves - Troughs & Crests
  2680. Non uniformly wound solenoid (no Mag. field?)
  2681. Compressed air at high pressure can cause frostbite?
  2682. Speed of Electromagnetic Radiation
  2683. Liquid Nitrogen - Cold burns..?
  2684. Terminal velocity of a ping pong ball
  2685. Particle charge quesiton
  2686. Center of mass
  2687. magnetic lines of force
  2688. Energy
  2689. Lightspeed consistency
  2690. is a radiation heat pump possible
  2691. Aerodynamics, drag
  2692. Calculating the flow of water
  2693. nth moment
  2694. pn junction diode
  2695. how does air react to a surface with a lower coefficient of friction
  2696. Trains?
  2697. Net work energy concept
  2698. The Global Heating Scenario?
  2699. using a plasma arc instead of fission for a reactor style rocket
  2700. Escape velocity
  2701. Wald's Isomorphism Between V and V*
  2702. Is spacetime really curved? Embedded somewhere?
  2703. styrofoam object- rise or sink?
  2704. Tension at Rotating Pulleys
  2705. Metric Tensor of Earth
  2706. Any experimental evidence of Doppler shift in light?
  2707. Hydrostatic (distance of travel - molten metal in a tube out of a pressurized vessel)
  2708. Gravity Limits Organism Size
  2709. Distance traveled by X-rays in air
  2710. How far is a fermi?
  2711. Liquid soap solidifying / Water stains bottom of bottle
  2712. Bus Cannon
  2713. Determine optical slice thickness in a CLSM
  2714. Question about spin sum in the massive boson propagator
  2715. Give Me Good topics for a degree BA research
  2716. Higs Particle Phenomenology
  2717. Re: Wald's Isomorphisms Between V and V*
  2718. Re: Wald's Isomorphism between V and V*
  2719. May i know what is the basic reason for vortex formation in flow
  2720. Applying a heat-resistant mark to ceramic
  2721. how to measure temperature?
  2722. Newton's Second Law and Inertial Frames Of Refence
  2723. US Physics Olympiad qualifying exam (Mechanics)?
  2724. Are atomic structures 'real'?
  2725. Calculating the temp. of heat when oxygen bonds with hydrogen.
  2726. Tri-axial Accelerometers
  2727. What is the terminal velocity of mass falling toward earth?
  2728. What is the difference between wave and particle?
  2729. Liquid Viscosity
  2730. negative permittivity methods
  2731. Space and Time
  2732. Maximum path of lightning
  2733. "elephant toothpaste experiment" cannon?
  2734. Optical System Design: Zemax
  2735. If you add salt to liquid nitrogen,would it turn into a superconductor?
  2736. Thanksgiving Dinner Debate About GoPed Gearing
  2737. Cannot Concentrate Blackbody Radiation
  2738. Why is an sattelite's motion not circular?
  2739. Question about Higgs fields in SU(5) GUT.
  2740. Resonant Tunneling
  2741. Horizontal and Vertical components of falling objects
  2742. About conservation of energy
  2743. Biot-Savart: Why symmetry-break?
  2744. Practical Problem (debate between friends)
  2745. try this calculation
  2746. Wistrom & Kachatourin paradox (was Re: Rail Guns don't recoil)
  2747. Question about dark matter, dark energy, and MOND
  2748. reflection of light off 4 90 degree mirrors
  2749. Satellite reentry
  2750. Winter wind noisier?
  2751. I want to roll a ball on a material to get the latgest static charge in the ball
  2752. How does my microwave oven affect a wireless router?
  2753. From gravity to strongforce
  2754. Whats the best physics program?
  2755. Laser with saturable absorber
  2756. Time: impossible to stop?
  2757. "Relative" energy ?
  2758. Questions regarding gravity
  2759. i'm new to optics: need help on lens please!
  2760. Q: Would you rather land on water or marshmallow?
  2761. Preparing a 0g test for “space drive” that apparently conflicts with law conservation
  2762. Measuring cross-sectional area of a cable
  2763. Does a photon propogate faster than c ?
  2764. calculation required
  2765. Explanation of radioactive decay
  2766. Query on physics of a tennis ball
  2767. Fresnel Equations Question
  2768. Here is a Theoretical Question I have been pondering
  2769. Physics Mobile / Ruler
  2770. Radioactive iodine
  2771. Change EM wavelength
  2772. how is the formular of radiation from object to its surroundings derived?
  2773. Hamilton without Lagrange
  2774. Optical Computing: special issue - Natural Computing, Springer
  2775. This Week's Finds in Mathematical Physics (Week 273)
  2776. Wistrom & Kachatourin paradox (was Re: Rail Guns don't recoil)
  2777. electric force in electric field
  2778. unsteady RANS simulation
  2779. How do you make a near-perfect vacuum?
  2780. Why in MOSFETs Halo doping is done near source and drain junction only?
  2781. 2nd Law of Thermodynamics question
  2782. Careers from Physics Degree
  2783. Why do stars and galaxies spin?
  2784. Wave energy ~ wave height squ. or wave amplitude squ.?
  2785. Tennis Ball
  2786. Pretty diffraction patterns
  2787. Terminators / Impedance Matching
  2788. Completed Exercise Calculating Massive Propagators in Yang-Mills, for SU(3)
  2789. Inner products in LQG
  2790. Need Help With c-Invariance
  2791. X ray diffraction.
  2792. direction of voltage and electric field
  2793. In the universe, without a heat source does it take energy to cool?
  2794. My own body and its mass
  2795. Question about momentum involving shooting a hockey puck
  2796. what speed is something moving at right before it stops?
  2797. Nikola Tesla and his wardenclyffe tower
  2798. Light Diffraction
  2799. Jet Fires (Chamberlain Model)
  2800. Gps, Mobile phones microwaves and radiowaves
  2801. When does the photon get captured?
  2802. Can an extreme electric field break down a conductor?
  2803. Something > Carnot efficiency ????? WTF?
  2804. Magnet-a-pault
  2805. Sound speed variation with n in ideal gas?
  2806. Understanding spinors and Clifford product
  2807. Charge conservation question
  2808. A question about gravity/upward motion
  2809. What are the most precise (hence recent) tests of the inverse square law for gravity?
  2810. Hydrostatics question
  2811. Q: Can we consider Inertia a dimensionless vector?
  2812. HELP required calculating spring strength.
  2813. Does an impulsive force produce any work?
  2814. viscosity
  2815. Optical Computing: special issue - Natural Computing, Springer
  2816. Finding the Hamiltonian
  2817. Alternatives to nanotechnology
  2818. Can both a photon and it's reflection hit a particle?
  2819. Lorentz Force
  2820. Quantum Cryptography
  2821. metal pots in microwaves?
  2822. blackbody in photoelectric effect
  2823. how much pressure does water have to be in for it to phase change
  2824. about interferometer
  2825. Dimensional Analysis?
  2826. Indices of the pauli matrices
  2827. Ballistics Calculations
  2828. Physics information no1 seems to know
  2829. ISMANAM 2009
  2830. Indices of the pauli matrices
  2831. Decoherence (was: Question regarding coherent states and virtual
  2832. Conference Announcement: Ismanam 2009
  2833. Linked Rigid Body Collisions
  2834. Capacitor with a motor?
  2835. Magnetism
  2836. Formula for the strength of an electromagnet
  2837. question about lorentz force
  2838. Light, refelection, transparency, direction?
  2839. A weird collision "theorem"
  2840. Laser dissipation in air?
  2841. Semi lagrangian advection in fluid simulation
  2842. A really basic question.
  2843. Where Can I Purchase a Superconductor?
  2844. Dangerous Wavelengths In Glassblowing
  2845. Rolling Billiards Ball: Applying friction (Computer simulation)
  2846. LC circuit model of hydrogen atom
  2847. Air pressure from a ceiling fan.
  2848. Question about energy-momentum vector for a single particle
  2849. Re: Question about Taking Fourier Transforms in Non-Abelian(Yang-Mills)
  2850. Can we observe Feynman-Stueckelberg interpretation?
  2851. spooky communication
  2852. gravitation constant, G
  2853. Hydostatic pressure at bottom of a cylindrical and conical tanks
  2854. Light
  2855. Amplitude of Electromagnetic wave?
  2856. question about Pascal and pistons
  2857. Entropy and Intelligence
  2858. What is w in a EOS?
  2859. sound direction
  2860. Air resistance in relation to ballistics
  2861. Basics
  2862. Nikola Tesla
  2863. Gravity versus Entropy
  2864. Why phase transition not possible in one dimension?
  2865. weight
  2866. Areodynamics
  2867. circular motion of car on banked track, with friction
  2868. Airy pattern
  2869. Velocity as function of Displacement to Displacement as function of Time...
  2870. Question about "naked" swimming at great depth after pressurisation
  2871. How long can you survive in space (vacuum) without pressure suit?
  2872. Constraints on spatial flatness.
  2873. Race car physics
  2874. Venturi effect
  2875. ionization by acceleration
  2876. KE vs Momentum as a standard
  2877. Gravity Debate: Need help with argument
  2878. Re: Wald's Isomorphism between V and V*
  2879. Call for Papers: WORLDCOMP'09: conferences in computer science,
  2880. Calculating Torque to Move Object
  2881. Different ball weights down incline
  2882. Stimulated Raman Scattering in Optical Fibers
  2883. Measuring CO2 pressure in a soda bottle
  2884. Perpetual Generator H2O Re-collision
  2885. Torque To Move Bicycle
  2886. does friction increases as speed increases?
  2887. Is laser light polarized or unpolarized?
  2888. Transposition invariance
  2889. Re: Wald's Isomorphism between V and V*
  2890. IWMG09 International Workshop on Structural and Mechanical Propertiesof Metallic Glasses
  2891. Drafting
  2892. "simple" simple harmonics question
  2893. Gravitational Entropy
  2894. Resistors vs transformers
  2895. Calculating force of Air Resistance
  2896. Combating Air Resistance on a Bike
  2897. Mouse Trap Car Help
  2898. Magnetic Force
  2899. Energy in standing waves
  2900. ThunderStruck.
  2901. Satellite Ground Tracks.
  2902. overtones
  2903. friction factor & velocity
  2904. Linen sheet vs polyester blanket
  2905. G-Force
  2906. picking on relativity!?
  2907. Knight Rider Mythbusters
  2908. How could an object (not aerodynamic shaped) achieve flight?
  2909. horsepower in relation to cfm, engine displacement, and a few others
  2910. What is "heat transfer coefficient"
  2911. Whats the point of anti-gravity
  2912. heavy
  2913. Impulse... how to figure out?
  2914. Re: Constraints on spatial flatness.
  2915. Re: spooky communication
  2916. Re: Question about dark matter, dark energy, and expansion
  2917. Re: Constraints on spatial flatness.
  2918. Re: Constraints on spatial flatness.
  2919. Re: Constraints on spatial flatness.
  2920. Billiards rotational friction (side spin)
  2921. radius of curvature
  2922. Questions about movement of a permanent magnet inside of solenoid.
  2923. sound problem I spotted
  2924. Positron Electron Attraction
  2925. Heat, fire, pressure - things i don't understand
  2926. Charges passing through a superconductor
  2927. Torque required to drive
  2928. has anyone done 2008 F=ma contest?
  2929. Force of Falling Bodies
  2930. where did the i come from
  2931. photocathode in photomultipliers
  2932. Deadhang Equation
  2933. Water pressure dilema
  2934. Nm into Joules
  2935. parachute in space
  2936. An interesting puzzle!!
  2937. Re: Wald's Isomorphism between V and V*
  2938. Re: Wald's Isomorphism between V and V*
  2939. Re: Is spacetime really curved? Embedded somewhere?
  2940. Re: Wald's Isomorphism between V and V*
  2941. Accelerating rocket/light beam question
  2942. Gravity is a dimension?
  2943. How does a refractometer work?
  2944. Warp drive?
  2945. the math behind a couple of theories
  2946. "Good Grief Gravity"
  2947. Standard model coupling strengths
  2948. Momentum and Impulse, help please.
  2949. Calorie count on a treadmill
  2950. Re: Constraints on spatial flatness.
  2951. Re: spooky communication
  2952. Re: Question about dark matter, dark energy, and expansion
  2953. Re: Constraints on spatial flatness.
  2954. Gravity beats light?
  2955. Light a light bulb with no contact?
  2956. Radio/Wave Strength Question
  2957. laser energy reflection
  2958. Cartesian Diver
  2959. What is the motion of spin relative to?
  2960. is zpe = dark energy = higgs ocean = Goldstone Phase
  2961. Gamma matrices representations
  2962. TACS-09 call for papers
  2963. Re: Wald's Isomorphism between V and V*
  2964. Re: Wald's Isomorphism between V and V*
  2965. What is the name of two harmonics combined ?
  2966. Ultraviolet - Resource Needed
  2967. Physics project: Self propelled car.
  2968. rate of decline of a meteor...
  2969. Air and Earth's rotation
  2970. How long to boil?
  2971. Problem with siphon
  2972. Calculate acceleration after getting the Gravitational force between two bodies
  2973. Will the battery current flow correctly?
  2974. Fourier transformation: power spectrum
  2975. simple vector force addition?
  2976. Help explaining that perm. mag. motors don't work
  2977. Boiling water in a tank?
  2978. Why is dark energy/matter better than a new theory?
  2979. Optical Computing: special issue - Natural Computing, Springer
  2980. Optical Computing: special issue - Natural Computing, Springer
  2981. Re: Double Slit Experiment
  2982. Question about photon wavefunction
  2983. Tilting force on a frame
  2984. Hydrogen generator
  2985. Aerodynamics
  2986. Particle-Particle Simulation: Magnetic/Electric Fields & N-body Orbitals
  2987. Stopping Electrical Signals
  2988. What is "absolute reference pressure and absolute reference temperature"
  2989. gain in sinusoidal signals
  2990. The Nature of "Now"
  2991. Resonace Frequency of Bodies/Materials
  2992. One of out Ideas of Gravity Falls
  2993. Melting Ice in real life
  2994. Model "Lunar Lander"
  2995. Help! Incline Plane Acceleration Vehicle Friction Distance
  2996. Calculate the average acceleration of 2 or more objects?
  2997. Speed of Light
  2998. Simple example of Quaternion intuition
  2999. resonance
  3000. Free Fall question
  3001. How is this possible?
  3002. Torch light in space
  3003. Angular SHM
  3004. The Bicyclist's Paradox
  3005. Help me! Super New bee many questions on energy-space relation and waves.
  3006. DDWFTTW Turntable Test
  3007. Čerenkov radiation: Why is it possible?
  3008. direction of electric field
  3009. 2D Collisions with Friction and Rotation (identical cylindrical objects)
  3010. Is it possible to watch time progress faster?
  3011. Wave speed vs. Speed of particles in medium
  3012. The energy of electrons extracted from a photocathode
  3013. Free Fall in Air Debate. PLEASE HELP.
  3014. Electric fields and forces
  3015. Resonant Tunneling
  3016. Tsunami Wave
  3017. Resistance of a loop of wire: confusing!
  3018. future or past
  3019. Couple of random questions
  3020. air bubbles sparklingwine
  3021. Is Bernoulli principle the cause of suction truck??
  3022. Air pressure caused by wind on human being
  3023. Observing perpendicular light
  3024. Rotational force caused by a rod through the radius of a cylinder
  3025. Parallel Circuits!
  3026. Vacuum cleaner with pc fan possible?
  3027. Low Temperature properties of Cr
  3028. Why do the spokes on a wagon seam to rotate backwards at certin speeds?
  3029. Do resistors obey conservation laws?
  3030. He-Ne lasers
  3031. Sound In Space
  3032. Na
  3033. Path difference in Fabry-Perot etalon
  3034. vector addition problem
  3035. Formula's relevant for Downhill Skateboarding
  3036. inductor
  3037. Buoyancy and Perpetual Motion
  3038. Who is/was Barton (re: Barton's Pendulum)?
  3039. Crackpottery or not: luminosity limited?
  3040. n particle wave function
  3041. Particles and Group Representations
  3042. Gravity's Race/ Contest.... Who wins?
  3043. Meissner effect
  3044. the unit - a.u
  3045. Hovercraft Help
  3046. Magnetic field effects on environment
  3047. rational area and volume
  3048. Split-complex fields?
  3049. photo fission and medical isotopes
  3050. nice NYT/IHT story on new ways of teaching physics
  3051. Physics of open-ended pipes
  3052. Cloaking devices
  3053. Gravity and light...
  3054. Vacuum Tube
  3055. Air Pressure to Torque Question
  3056. Force of Flowing Water
  3057. Formula for acceleration?
  3058. conventional current?
  3059. seeking people to network with who work at Lawrence LivermoreLaboratory
  3060. n particle wave function
  3061. Crackpottery or not: luminosity limited?
  3062. Hot-rolling, forces and torque
  3063. Hole where water cannot escape at certain pressure?
  3064. Lambert's Cosine Law
  3065. Force of Head Striking a Marble Floow
  3066. Inverted Pendulum Simulation
  3067. about solving differential equations
  3068. Do the electrons strike the photocathode???
  3069. Raser (Radioactive Laser)
  3070. Re: Accelerating rocket/light beam question
  3071. Chosing appropriate letters (labels)
  3072. A question please ... ?
  3073. Speed of force > speed of light.
  3074. dirty snow (snirt) & melting point
  3075. Representations and physics
  3076. Call for Book Chapters in the area of E-Research Collaboration
  3077. How long can we wait before we absolutely must take steps to protectagainst quantum computer attacks?
  3078. Angular Displacement..
  3079. Iron/steel magnetic properties
  3080. A couple of physics questions on helmets!?
  3081. Physical Basis Functions
  3082. Fly and a Train?
  3083. Conservation of Energy Problem: Where did it go??
  3084. Aerogel wallpaper versus air-pocketed wallpaper
  3085. Can sound affect light?
  3086. seeking people to network with who work at Lawrence LivermoreLaboratory
  3087. test posting
  3088. test posting #2
  3089. test posting #3
  3090. test posting #4
  3091. test posting #5
  3092. Voltaic Pile of confusion
  3093. Physics Project - Properties of a Tsunami
  3094. Why can we shield some forces but not others?
  3095. Acceleration on a Rollercoaster (And Integration to Velocity)
  3096. Need Suggestions For An Experiment - Upper Division Undergraduate
  3097. VHF Experiment
  3098. --- THREE MAGNETS (N-dipole-body problem) ---
  3099. Uncertain Geometry QM Model
  3100. Re: How long can we wait before we absolutely must take steps to
  3101. Diffraction and aperture size
  3102. Terahertz radiation converted into heat
  3103. Railgun project
  3104. How to calibrate a homemade Scintillation Counter???
  3105. Gravitational constant
  3106. Permittivity of dielectrics.
  3107. Bugs in my microwave
  3108. Gravity of single body
  3109. Pendulum experiment
  3110. Electrical Conductivity of Fluids
  3111. moderator's note regarding spam-block E-mail addresses
  3112. how to use flow rates (GPM) and pressure drop to determine if a valve is usefull
  3113. Does Bernoulli’s principle depend on the observer?
  3114. Power and kinetic energy relationship in a small DC motor
  3115. Choking in a Circular Orifice Plate in a pipe
  3116. Pumping air into partially full beer bottles to preserve carbonation
  3117. Does microwave radiation linger inside a microwave oven?
  3118. Re: About Quantum Computing
  3119. Photovoltaic Junction Technology
  3120. virtual strings
  3121. Electrostatic charge of Scotch tape
  3122. charged sphere question
  3123. Energy conservation for a relativistic doppler shifted pulse
  3124. Mechanics
  3125. Where does spring (Hooke's law) energy come from?
  3126. Car Brakes
  3127. ping pong ball aerobatics
  3128. gravity and electromagnatism
  3129. Calculating Density Alttitude of Air knoing temp/baro/humidity?
  3130. pressure
  3131. Is this a formula or just nothing?
  3132. SBSL and Casimir force(s)
  3133. Smooth acceleration, velocity and force?
  3134. Sinusoidal waves?
  3135. Wormholes for dummies
  3136. Centripetal acceleration equation
  3137. Can magnetic field expand faster than light?
  3138. Golfer Needs Competing Laws of Physics Explaining Please
  3139. I need somebody to double check my work....I think my math is wrong somewhere..
  3140. what is d band in solid state physics
  3141. Why is it that very low frequency signals cannot be transmitted by antennas?
  3142. What happens to the current when lightning strikes a swimming pool?
  3143. Simple adapter circuit
  3144. Method of showing the wave nature of EMR?
  3145. Speed of tsunami
  3146. Which car will slide first?
  3147. Different ways to measure the speed of light experimentally ?
  3148. Pendulum Swing
  3149. Kinematics... some tutorials.
  3150. what is this
  3151. Hourglass on the Moon
  3152. Heat removal from ice
  3153. Higer potential energy-->more mass?
  3154. ultrashort laser pulses (is this the right forum)?
  3155. projectile motion-Please help end an arguement
  3156. How does one calculate Momentum of an object?
  3157. Creating a Protective Capsule
  3158. Optics/Telescope/Cassegrain
  3159. "Whenever energy is added to a system, the system gains mass"
  3160. Vena contracta and cavitation
  3161. Remove dust and static attraction from slides
  3162. Potential energy from dipole orientations parallel to and antiparallel to the field
  3163. Humid or dry air "heavier"?
  3164. Dirtbike trajectory
  3165. any relationship between light from the sun and electricity?
  3166. TV show - Lightning experiments
  3167. "Schwarzschild action principle"
  3168. Violin string modeling--wave equation
  3169. discrete log-based FFT
  3170. Gauss's law ?
  3171. Challenge question for physicists
  3172. Can you really see light diffraction when looking through your fingers at a light?
  3173. Nanotechnology
  3174. Sorces for physics project: A frictionless world or phyics of an airplane
  3175. Temperature Dependence of Casimir Effect
  3176. Absolute Time?
  3177. Maxwell's Demon, help!
  3178. How to calculate torque required to accelerate
  3179. variation of liquid density with temperature
  3180. Constant Light without a source???
  3181. Gravity creates energy....Violation of the first law of thermodynamics?
  3182. Best efficiency to convert Kinetic into Electric
  3183. How to model cosmic ray corruption of DRAM memory?
  3184. Optics - Scattered Fields in Stratified Media
  3185. Superposition concept
  3186. interference pattern from particles
  3187. angular momentum
  3188. Light and prisms.....
  3189. Photon movement
  3190. whats my best formula to use to calculate Horsepower or Torque from acceleration data
  3191. Eye optics
  3192. Van Der Graaff generator question.
  3193. propagation sequencing in series circuit?
  3194. Spinor rotation matrix for spin 1/2 particles
  3195. Apply Kirchoff's rules with a non-ohmic resistor?
  3196. Logical Error of Cavendish Experiment
  3197. distacne of planet
  3198. Joseph Newmn's Energy Machine?
  3199. Surface Strength
  3200. How to Measure Magnetic Field
  3201. calculate wheel torque based on known Weight, wheel size, acceleration data ?
  3202. Help building something that will go back and forth
  3203. Two particles accelerating towards each other
  3204. Synchronization
  3205. Polarizing unpolarized light
  3206. Cylindrical electrode to rectangular electrode
  3207. A theoretical physics FAQ
  3208. The "Maxwell Equations" of Gravity I
  3209. prove this wrong!
  3210. Earth`s magnetic field and permanent magnets
  3211. Confused about Poisson equation
  3212. Energy for pressure equalibrium
  3213. Brief Questions re O(N) groups and re the exp[i p x] function
  3214. 1st law- thermodynamics
  3215. Colors adding up to be white
  3216. Light moving through objects
  3217. Gravity at the centre of the Earth?
  3218. A request for advice on studying theoretical physics
  3219. how does cold travel?
  3220. diffraction pattern and Fourier Transform
  3221. Torque and Acceleration
  3222. Stokes law
  3223. Why are objects with higher center of mass less stable?
  3224. Why Does the Electron have Mass?
  3225. Question about the "coincidence" of the "dark side of the moon"
  3226. Graduate distance-learning programs in physics?
  3227. The "Maxwell Equations" of Gravity II
  3228. Can be lightning coloured?
  3229. Effect of a vacuum
  3230. Neodymium Core Solenoid
  3231. Lightning in vacuum
  3232. Linear Simple Harmonic Oscillator: period a direct linear proportion to mass?
  3233. Where does the sun rise, w/ axial tilt?
  3234. "This Week in Physics" from APS
  3235. Harmonic Osillator and Least Action
  3236. The rate of evaporation at high temperatures
  3237. Dose the cosmic rays have any roll in our weather
  3238. Bernoulli's Principle: Does it affect a non-flowing fluid in a moving container?
  3239. Why is black better than white for sun protection?
  3240. Energy used to ride a bicycle
  3241. THE most important numbers?
  3242. In what direction is thermal radiation emitted?
  3243. how to measure compressed natural gas?
  3244. photons, weight and force
  3245. magnet wire help
  3246. Multifluid manometer
  3247. Stroboscopic Plot
  3248. Specific Enthalpy
  3249. Is there a definite number of atoms in the universe?
  3250. specific heat capacity at constant pressure
  3251. How does a photon actually "carry" an image
  3252. Irradiance, UV, measurement
  3253. Compass needles
  3254. If you put a fan in front of airplane wings, how powerful would it need to be?
  3255. Speed of sound in tubes...
  3256. Why is a double pole switch used after the kwh metre in our houses and not a simple s
  3257. Why is earth pin longer than other two in a plug top?
  3258. What will happen if in an dc electric bell an ac source is used?why?plug top?
  3259. Why the base of an electric iron is made thick and heavy?
  3260. Why does the resistance decreases with increase in temp for semi- conductors?
  3261. Harmonic Osillator and Least Action
  3262. linear momentum
  3263. Expansion into a vacuum
  3264. What is this instrument called? - Photoptics
  3265. zapped by door knobs?
  3266. Pressure vessel test chamber problem
  3267. If DDWFTTW is possible, would this be a viable application?
  3268. Building an HV AC capacitor for a tesla coil
  3269. Is energy tangible?
  3270. Lasers???
  3271. Induction question
  3272. conversion of particle fluence to Krad
  3273. Where do you need topology in physics?
  3274. Plastic on cable, UHF flashback prevention?
  3275. Question about refraction.
  3276. Dropped popcorn kernel from space will it pop?
  3277. Question concerning Ideal Gas Law correction to a teacher & tactons
  3278. Being hit by a fast particle - What would happen?
  3279. engine net thrust
  3280. Where would an ideal wire break?
  3281. Weighting results with curve
  3282. Crazy idea about atomic structure
  3283. Microwave/Magnetron question
  3284. Is it Possible to Contaminate our Sun?
  3285. Paint Statue that changes color with weather/airpressure
  3286. Physical meaning of multipication?
  3287. Calculating the inductance of a Si wire
  3288. Hollow flywheel
  3289. A Question on Tensile Tests
  3290. Power equations
  3291. Calculating watts per square foot
  3292. Increasing current ?
  3293. Electro-Magnetic induction
  3294. Uncertainty Calculations
  3295. Filament size and resistance
  3296. Electrostatic Force Equation Help!
  3297. Home Made Refractometer
  3298. convection pattern
  3299. Questions about IRC
  3300. Things that puzzle me
  3301. (Conservation of...?) Energy
  3302. Particle Collider Universe
  3303. Calculating heat from H2 and O2
  3304. Physics and Continuity Graphs
  3305. Quick Easy wave question
  3306. Why the LHC might never work
  3307. Feynman's work with Partial Differential equations for chip design
  3308. LQG as a Repackaging of Carmeli's SL(2,C) Gauge Gravity
  3309. basics of pressure and pascal's principle
  3310. Torque / cutting force calculus
  3311. Physics Experiment Query
  3312. Determining path, timing and velocity from a 3d accelerometer
  3313. Heat
  3314. Stackable Halbach Arrays
  3315. ciddor equation
  3316. Aerodyamics of Rocket Shapes
  3317. Standing waves
  3318. Temperature and heat energy
  3319. Determining Thermal Coefficient of Binary Solvent Mixture
  3320. doppler effect
  3321. Electro Magnetic Waves
  3322. Conformal mapping of sn(z,m) function
  3323. Field, plane wave and normal oscillator
  3324. Re: Need Help With c-Invariance
  3325. Re: Need Help With c-Invariance
  3326. Properties of a Photon
  3327. Measuring Viscosity (Viscometer)
  3328. Question
  3329. What is real? Matter?
  3330. Faraday's law
  3331. Stupid question about fluoresence
  3332. Power and acceleration
  3333. Optical Ray tracing
  3334. Question about distribution of electric charges on two parallel plates
  3335. conceptual questions
  3336. free falling objects
  3337. Focal Length experiment readings
  3338. measuring frequency
  3339. Zeno's Paradox (Quantum Level)
  3340. A question about DC motor (input power, output power)
  3341. Waves, Energy, Blackbodies and Modes
  3342. Quantum Mech incompatible with Relativity
  3343. Power Usage
  3344. Wind turbine, conceptual question
  3345. A question about Back EMF
  3346. Laplace transform of step function
  3347. A question about "opposite and equal reactions"
  3348. At what point, if any, would a spaceshp burn up in space?
  3349. How is horizontal range affected?
  3350. Work and Energy: Spring
  3351. Beta Particle Detection
  3352. Homemade Electrical/Mechanical/Physics Trainer
  3353. Force given by blades on cloth
  3354. How can RGB reproduce all (most) colours?
  3355. What force is required to rotate a space ship?
  3356. Optical Anistropic medium
  3357. can an airplane land over another one both in flight?
  3358. Wind resistance
  3359. Matter cannot be created or destroyed?
  3360. reaching absolute zero and BEC
  3361. dice cog
  3362. How far away could we detect ourselves?
  3363. Manmade Sun
  3364. Two mirrors face each other...
  3365. Is it possible to convert kg/(kWh) to litres/100m ?
  3366. Question related to pressure
  3367. Nano technology - anti slip
  3368. Perception
  3369. Cylindrical Symmetry - Gauss's Law
  3370. Lighting up a fluorescent lamp with a Van De Graaf generator
  3371. Absolute voltage values at battery terminals
  3372. Capacitor Electric Field
  3373. Question about Newton Scooter
  3374. Please can someone answer this?
  3375. SPM mechanics
  3376. question about freefall
  3377. conceptual question
  3378. Telescopes and Signals Question
  3379. Can I calculate magnetic force of a magnet?
  3380. Physics Project
  3381. AC question
  3382. A thought regarding angular acceleration, gravity, and weight.
  3383. Anyone know about flourescent dyes?
  3384. Huygens and Diffraction
  3385. resistivity and resistance
  3386. emf and terminal voltage
  3387. dielectric constant for aliminium nitride
  3388. Going at The Speed of Light
  3389. About energy in general
  3390. Charge balance in the universe?
  3391. Interesting thought about simple induction
  3392. differential drag on a cup anemometer
  3393. Bend the knees
  3394. Properties of Waves and how they relate to Music
  3395. A photon construct
  3396. Amplitude Modulation
  3397. water droplets and optics
  3398. Question
  3399. Gravity in other Universes
  3400. how is vacuum measured?
  3401. What happens to the charge?
  3402. Deriving formula to calculate theta for artillery
  3403. Precision and Accuracy !
  3404. What gas's temperature increases as it decompresses?
  3405. Properties of air vs water
  3406. Is pressure distinct from temperature in gas laws?
  3407. Billiards: transmitting side
  3408. Help! Gravity with 3D coordinations
  3409. Waveform notation
  3410. Capacitor/Gaurd ring
  3411. Lumens, candelas & equivalent LEDs
  3412. Question about electrons, energy levels and orbits
  3413. Calculation of torque in friction welding
  3414. Question about objects and motion
  3415. Highest Possible Frequency of Photon
  3416. What is Voltage?
  3417. Measurement of distance in space
  3418. fire and ambient IR
  3419. Path Difference in Lenses.......
  3420. observing light from distance
  3421. question:candle flicker
  3422. One question about a photon and another about light
  3423. Force calculation for wedge
  3424. Magnetism
  3425. Force required to lift a water propelled rocket
  3426. Making/Inducing/Forming a current
  3427. Optics - combination of thin lenses
  3428. Centripetal Force vs. Gravity
  3429. angle change due to acceleration
  3430. how to calculate thermionic work function
  3431. The value for normal room pressure?
  3432. Question about projectile motion
  3433. Air Bag Inflation Rate
  3434. Best way to ionize compounds and/or elements?
  3435. How can I make my rocket/glider work correctly?
  3436. Easy question about weight transfer of cars
  3437. Specific Impulse and Exhaust Velocity
  3438. Please educate me.
  3439. Question on the constant current in electric circuits. [ Not homework ]
  3440. Material properties challenge
  3441. Horizontal Flame
  3442. Center of gravity/ weight distribution
  3443. Checking understanding on factors affecting thermal equilibrium
  3444. unit conversion
  3445. Moving a pendulum
  3446. Can Heat Death Be Prevented
  3447. About melting ice..
  3448. AC to DC... quick clarification, thanks
  3449. Photon gun?
  3450. I need help!!...
  3451. Harnessing energy from piezioelectric roadways
  3452. dimensional equivalence
  3453. quasi-standing wave, speedboat
  3454. forces inside of a capillair
  3455. How come sub-atomic particles aren't affected by the vacuum around them
  3456. The meaning of the relative strength of forces
  3457. Capacitance
  3458. A question for a flash game
  3459. Emf in a wire?
  3460. how many materials follows TOTAL INTERNLAL REFLECTION
  3461. the question of the CPT(coherent population trapping)
  3462. STM image quality
  3463. Hollow Spherical Magnet
  3464. Meaning of Derivating PV=K
  3465. DNA-functionalized nanoparticles
  3466. Isotope Dating
  3467. Question about a sticky post
  3468. Constant Volume Thermometer
  3469. Demagnetization of a permanent magnet
  3470. How to make DNA-nanogold?
  3471. A question about entropy
  3472. Tires and friction
  3473. Does the electric current have a direction?
  3474. Need Help Understanding Concepts of Centripetal Force.
  3475. Gauss' Law and Infinite plane sheet of charge
  3476. Drag Coefficient out by a factor of 10, can anyone help??
  3477. understanding elastic potential energy
  3478. Space in an atom
  3479. electric potential anyone help
  3480. Mass flow rate
  3481. Magnetic domains and size
  3482. Could someone please explain this 4-vector/tensor notation?
  3483. How can Bright Zinc plated Steel Shelves go rusty in a Fridge?
  3484. How many Newtons of force would kill a person?
  3485. Bright field microscopy
  3486. Matter and energy
  3487. Rotational Inertia with weight loads
  3488. How do you calculate the flux density at a point away from a magnet
  3489. If my rocket has two rocket engines going off each at an impulse at 20.00 N/S.....
  3490. can a coefficient value change? help!
  3491. Calculating Motional EMF when v not perpendicular to B
  3492. Don't understand electricity
  3493. elementary charge(someone please help, i have a test tomorrow!!)
  3494. electrostatic qeuiston(test tomorrow, please help!)
  3495. how does an electroscope work( test tomorrow please help!)
  3496. The double bulge!
  3497. Does speed of light also mean strength of light?
  3498. Capillary waves - surface standing
  3499. Diffraction limited spot
  3500. Momentum of a coil during EM induction
  3501. Frying pans and hammers!
  3502. effect of friction on the foward momentum of an object
  3503. Constructing experiment to prove P=IV
  3504. Optics, lenses, and light reflection
  3505. electromagnetic door locks: what's the theory of operation?
  3506. The Physics behind GPS
  3507. What does the phrase "Superlinear" refer to?
  3508. matter @ speed of light and e=mc^2
  3509. Minimizing final velocity on a balistic trajectory
  3510. The Simple Pendulum and Music
  3511. How come when you reverse a diode the current/voltage? is zero?
  3512. About the velocity of sound !
  3513. Different Gravities for Leptons and Baryons
  3514. How does gravity get away from a source so it can pull back to the source?
  3515. Latent Heat of Fusion of Ice
  3516. ~~Resistor Concept~~
  3517. Projectile Motion
  3518. Angular momentum
  3519. Solution to gravitational differential equation
  3520. Physical properties of High-temperature reusable surface insulation tiles
  3521. Magnet Fields dilemma
  3522. Help me please
  3523. Voltage and Current Clarification
  3524. What is transition radiation?
  3525. Free Body Diagram
  3526. Does photons have a mass?
  3527. what is temperature
  3528. force and acceleration
  3529. Why do we have the concept of electric potential
  3530. total internal reflection
  3531. Water waves accelerate in deeper water.
  3532. Direction of the gravtional force on the earth
  3533. Lead Shields against X-Rays
  3534. path difference of wave
  3535. Does a magnet radiate a line force or piont force
  3536. Aerodynamics of sportscars
  3537. Why is the symbol for angular momentum "L?"
  3538. Clearance with centripetal force relationship to freq, radius, and mass.
  3539. Capacitance and dielectrics
  3540. Basic question regarding electricity
  3541. Why do we use L for Angular Momentum?
  3542. The Proposal for the Neutrino
  3543. about superconduct MRI quench protection
  3544. Objects in a Viscous fluid
  3545. what does force/carge mean? I can't imagine it
  3546. Earnshaw's Theorem
  3547. What Exactly is Time?
  3548. How does Location of Mass affect Moment of Inertia
  3549. can we power a light bulb with positrons?
  3550. permittivity and conductivity
  3551. What are some good experiment's that I could make?
  3552. Gravity
  3553. heat energy required
  3554. Spring constants in series
  3555. Force Needed to Turn Generator at Maximum Output
  3556. Physics Related to Bowling
  3557. Matter and Energy
  3558. Nuetron made by electron Bombardment
  3559. absolute zero and non particle movement
  3560. Item traveling through water via gravity.
  3561. Skydiver question
  3562. HELP! Trying to Make a Spring Car No Mouse Traps!
  3563. A real versus virtual image..
  3564. Microwave Radiation?
  3565. Question on electromagnetic repulsion
  3566. nedd help finding weight over length
  3567. Launching an RC car off a ramp on a flat roof. Are these computations correct?
  3568. Is space infinite.
  3569. Resistance on a Wire.
  3570. time delay of speech to travel from moon to earth
  3571. Conservation of momentum VS friction
  3572. How many decibels is the sound of whispering laughter?
  3573. Most Powerful Continuous Laser
  3574. Atomic Physics
  3575. How many decibels does a regular apartment wall cancel out?
  3576. Catenary Correction formula
  3577. What is strain?
  3578. question about light
  3579. electric current question
  3580. Force acting on a permanent magnet
  3581. Electronic quenching!
  3582. Preparing for a physics class
  3583. Doppler effect of light
  3584. Electron Acceleration?
  3585. Computer modeling of physical systems
  3586. Paradox in classical mechanic
  3587. Knowing when to use mgh vs mg
  3588. Why Does Lightspeed = C?
  3589. Dark Matter Motor
  3590. Help- can I shield a magnet so it won't damage my phone?
  3591. shape of hydraulic piston thought experiment
  3592. Light used to capture anti-matter
  3593. Minimum Gaussian Beam waist!
  3594. Force applied to folcrum
  3595. Newtonian Gravity
  3596. Transfer of momentum via friction
  3597. My EV project is suffering
  3598. How can there be purple?
  3599. Maximum Electromagnetic Information Through Cube
  3600. .:Hex Field:.
  3601. What is Time?
  3602. help for forum invader on making an object hover.
  3603. Minimum of total potential energy
  3604. Einstein's Gravity Problem
  3605. Why does rubber make a spark?
  3606. Moment of inertia of the earth
  3607. Finding vertical axis in 3d acceleromter
  3608. magnet question
  3609. Perputual Machines? Possible?
  3610. Fission/Fusion
  3611. Does einstien really explain everything about gravity? Is there more?
  3612. Weight of Air Pressure....
  3613. Remedial kinetic energy equivalency question
  3614. formula of kinetic energy
  3615. measurement of instantaneous physical quantities
  3616. Gravity, my thoughts...
  3617. Aharonov Bohm oscillation
  3618. Brownian Motion simulator in Java
  3619. A few Questions On Heat
  3620. Problem: electrolysis & lime coating wires
  3621. string dimension confinement
  3622. Real life momentum *URGENT*
  3623. Water under high voltage
  3624. Golf - Math/Physics
  3625. GPS in asymmetric geometry
  3626. diffraction grating for astronomy?
  3627. Projected temperature rise of insulated ice block
  3628. Physics principles and animal locomotion
  3629. inertial and non-Inertial fram
  3630. Terminal Velocity and Drag
  3631. Which is better to create a vacuum? Air or water?
  3632. Kinematic Equations of Motion
  3633. Question RL
  3634. Balancing a hammer
  3635. Nuetron nuetral?
  3636. ? about light
  3637. using a puley for analysis on an air track???
  3638. Plank’s Law
  3639. Calculating Color temperature and Color Rendering Index..
  3640. Coupled Oscillations
  3641. Basic acceleration question
  3642. How electron transport in conductors
  3643. Microgravity/Moon/Mars Gravity Question
  3644. Uneven Pace Running ?
  3645. Total internal reflection and refraction index in optical fiber and speed of light
  3646. Simple vector component question
  3647. gravity-energy question
  3648. Clarification about Law of Inertia
  3649. Friction question
  3650. angular velocity to horizontal??
  3651. Force between two charges in closed universe
  3652. Light and Mirrors
  3653. Optics and Polarization
  3654. calculating max Vacuum for 55 gallon drum
  3655. why do high-frequency sounds make people more alert and create tension?
  3656. Simple question about Gravity on Earth
  3657. Bragg Wavelength detuning
  3658. physics question about light. what do you think?
  3659. What applications does ur team use to do the Phy.Research?
  3660. Searching for the "Human Connection"--Physics and Music.
  3661. physics on table tennis
  3662. Life's contribution to Earth's weight and gravity?
  3663. g-force measurement
  3664. Judging distance of a light source
  3665. what is a photon
  3666. Does anyone know?
  3667. Does life present any information paradox?
  3668. about super connecter????
  3669. So I plug in a circuit 299,792,458 meters long into my wall outlet...
  3670. Gravatational Force between earth and moon
  3671. fizzy drinks
  3672. Movement of Coil and Magnet
  3673. What is input work?
  3674. does the law of gravitation suggest the earth is hollow?
  3675. Experiment related to music??
  3676. easy momentum/ kenitic
  3677. Do light waves change over distance within a vacuum?
  3678. If I built a box...
  3679. diffraction of water wave vs diffraction of light wave
  3680. Gravitational binding energy of the sun?
  3681. crash physics question
  3682. Acceleration / deceleration
  3683. [Q]Do you know about exact form of Group velocity and meaning of Group Delay?
  3684. DDWFTTW Circular Wind Tunnel Test
  3685. Motion in loop
  3686. Gauss Law Question
  3687. Reflectance to Status A Density; How to convert?
  3688. Capacitance Calculation
  3689. Flight formulas
  3690. optical light transmission through a coating
  3691. electrostatic dust distribution
  3692. what does temperature in mesosphere mean?
  3693. refraction through glass slab
  3694. Can someone please explain why thermal transpiration (aka thermal creeping) works?
  3695. Random happenings? (trying to figure out what it was)
  3696. Gravitation force
  3697. Parallel plate or non parallel plate capacitor!!!!!!
  3698. Just a simple question =D
  3699. What is "empty space"?
  3700. Neutrino powered Engine
  3701. quick easy clarification... please help (redshift vs blue shift)
  3702. Why is kinetic energy 1/2mv^2 instead of mv^2?
  3703. Propellor Thrust
  3704. The Centroid
  3705. The Electromagnetic Wave of a Coil
  3706. How many STMs are there in the world?
  3707. gravitational waves and polarisation
  3708. Force Due To Gravity
  3709. Why is there variation in atomic weight of elements?
  3710. Why does a glass make a hollow sound?
  3711. impossible by definition?
  3712. Measuring wind in a vertical wind tunnel
  3713. Is this true, or is it just bs
  3714. Monopoles
  3715. Optical/Observational Perspective Question
  3716. Investigating Circular Motion...(help)?
  3717. Marine Propeller Resistance
  3718. photon ?
  3719. Atomic clocks and temperature
  3720. cylindrical lens
  3721. Why does Gravity affects Light?
  3722. polarized magnetic field
  3723. Missed class need some help
  3724. Photon hitting an electon
  3725. Is electromagnetic wave theory correct?
  3726. jumping off a moving object
  3727. Dripping faucet
  3728. Newton's Third is Giving Me a Problem That is Absurd
  3729. The Anti-Gravity Project- I Need Your Help
  3730. What happens if...
  3731. sphere of 1 way mirror.
  3732. Can fire be considered the fourth state of matter?
  3733. burnt condenser
  3734. EM waves vs photons
  3735. Forward euler calculations for position and orientation
  3736. Hamiltonian Principle
  3737. Direction of vectors
  3738. Angular Momentum vs Action
  3739. How did WWI Planes Fly?
  3740. Physics on table tennis
  3741. What if? (radio stations)
  3742. mystery formula
  3743. Huygens-Fresnel principle and Diffraction
  3744. Using a Fan to move an object
  3745. Fundamental of Physics in daily life...
  3746. RC and RL circuits
  3747. measuring frequency
  3748. Dissociation of air by increasing kinetic energy
  3749. supplying energy to pendulum
  3750. Who first put a feather & ballbearing in a vacuum?
  3751. Physics Sources
  3752. Fundamental Frequencies of Strings
  3753. Need a bit of help with arrow speed.
  3754. RL circuits with two resistors
  3755. Basic physic law
  3756. technique to detect thin metal film break?
  3757. It's not air friction that heats space shuttle?
  3758. Help with deciphering wind loads
  3759. AC current & how electocution happens
  3760. Relationship between Mass and Energy
  3761. Reaction Force
  3762. Resistors.
  3763. temperature
  3764. Artificial Gravity Field Generator Possible?
  3765. photon and free electron
  3766. Energy "lost" in rolling, sliding and torsion
  3767. electrical permittivity
  3768. Visualization of Magnetic Field
  3769. Crash and Sound Waves.
  3770. Investigating photoelectric effect and electron transfer
  3771. Help Deriving Trajectory of Water out of Pipe
  3772. How to get materials for photoelectric effect
  3773. laser cooling techniques
  3774. Motion conceptual evaluation graphs
  3775. Fundamental reasoning:Electromagnetic Wave - Visible Light
  3776. Investigation and experiment ideas
  3777. addition theorem
  3778. 3D Pixels
  3779. conservation of energy?
  3780. Absorption Spectrum and Temperature
  3781. Can a rising fastball exist?
  3782. Square symbol
  3783. Ping Pong ball vs. golf ball and distance moved
  3784. EMF Generation
  3785. Cop car and opposing directions
  3786. 1" ball hitting Parabola
  3787. [Q] The way of phase shifting of reflection light
  3788. time difference in relation to elevation
  3789. Is there any place on earth...
  3790. Unintuituve naming convention: "para-" denotes antiparallell?
  3791. Heat Transfer Rates (help)
  3792. Real world moving problem
  3793. derivations vs proofs
  3794. What does it look like in a black hole?
  3795. double-slit experiment when screen distance is of same magnitude of slit separation
  3796. Paper Towers - Any Known Record, we got 194 cm
  3797. radiation
  3798. Jumping cookie crumb, static charge?
  3799. How do Water Crystals Grow?
  3800. Lens can focus the light to a smaller spot by ...??
  3801. EM Radiation from Power Transformers
  3802. Coherent Superposition of Electric Fields?
  3803. Angle Of Deviation - An Optics Problem, help needed in optics
  3804. Help with optics
  3805. work done by spring forces -- positive or negative
  3806. f = R/2
  3807. change in amplitude of pendulum
  3808. Why is visible light invisible?
  3809. electromagnetic energy
  3810. Question concerning Composition Dependent Gravity
  3811. Surface Current boundary conditions for a solonoid
  3812. Constructive and Destructive interference
  3813. Lab Apparatus
  3814. Measuring Constant of Gravitation in Basement - Experiment
  3815. Inertia Translation Rotation Moments And Couples, car on accelerating Treadmill
  3816. Reynolds number - Characteristic dimension
  3817. Magnetics
  3818. Ionisation to cool gas
  3819. Tension on a box made of stretchable material
  3820. is this a constant or variable force?
  3821. Idle thought experiment / question
  3822. Optics Equation
  3823. Let's test our basic knowledge of physics
  3824. Force of gravity between photon and earth
  3825. relativity... time and length
  3826. Can someone *please* explain what a "differential (scattering) cross-section" is?
  3827. beam emergence from cylindrical lens
  3828. Electromagnetic waves and helicopters
  3829. Is stainless steel magnetic?
  3830. Gravity and universe expansion could be caused by the same thing.
  3831. Scientific Testing Apparatus
  3832. What is the meaning of co-propagating beam?
  3833. [Q] Do you understand what is numerical aperture and f number?
  3834. Can force be a scalar?
  3835. potato launcher
  3836. how to work out vacuum in in.hg
  3837. Is the world really colourless?
  3838. cold air vs hot air in turbochargers
  3839. My plasma ball
  3840. UK mains electricity & current reversals
  3841. Why do transformers hum?
  3842. Help please (Velocity definition)
  3843. 2 weights hung off a wheel
  3844. Damping effect of swinging pendulum affect period?
  3845. The intensity of the Sun and heat on Earth
  3846. Laser experiment.
  3847. HP507 laser box cards? GPIB?
  3848. Simple Harmonic Motion Question
  3849. The pressures at the center of a nuke are greater than in the earth's core?
  3850. Coming up with Concept questions
  3851. Question about Current and Resistance
  3852. What does this mean, "notions about space and causality should be reconsidered"?
  3853. Specific Heat vs Thermal Conductivity
  3854. Force of Gravity in Valleys
  3855. Why do the Earth's magnetic poles switch every once in a while?
  3856. about light...
  3857. Toroidal cell
  3858. Effect of water flow on electrical resistance
  3859. Photons + Gravity
  3860. Why needs plate capacitor high voltage
  3861. Impact speed
  3862. hilbert space and eigenvalues
  3863. Can someone explain to me the surface tension equation?
  3864. about Laplace's equation
  3865. Anyone know of a good experiment?
  3866. Cross products
  3867. Bubbles... What are Bubbles exactly?
  3868. Is a plasma a fluid?
  3869. conceptual problems with pressure, please help me to clarify
  3870. Ionization and Ozone Emission
  3871. Planck invents a better yardstick
  3872. Time..
  3873. hi and a Q on friction
  3874. several electromagnet questions
  3875. Electrical Power Related
  3876. Question about the refrigeration cycle
  3877. Lifters
  3878. function to model intensity change over rotation
  3879. particle and continuum based physics comparison
  3880. more conceptual problems about pressure, please help
  3881. Forces and "work".
  3882. Does destructive interference contradict the law of conservation of energy?
  3883. To obtain a uniform alloy, cool quickly or slowly?
  3884. Antenna Gain
  3885. Quick unit check
  3886. How do you reconcile EM fields with frequency of light?
  3887. from shannon's entropy to thermodynamics
  3888. Deriving Centripetal Acceleration
  3889. Why don't radio stations interfere with each others broadcasts?
  3890. Properties of High Viscosity Liquids
  3891. Need a quick answer please!
  3892. What waterpressure will turn waterwheel to produce 2kW of power with 1.6litres a sec?
  3893. ethanol: coefficient of volumetric thermal expansion
  3894. Certain force to break surface tenson of Jelly
  3895. How do light bulbs really work
  3896. Levitron
  3897. Faraday's Law
  3898. Electromagnetic waves of transmitters
  3899. Gravitational Field Lines
  3900. Heat Transfer
  3901. Is this how i would calculate the energy stored in an object on a wave?
  3902. Output voltage calculation of vibrational piezoelectric beam
  3903. Supersonic car on a highway?
  3904. Reformulation instead of Renormalizations
  3905. why does this happen?
  3906. Maxwell's Equations
  3907. Venturi doubt
  3908. Photons (very newbie and simple question)
  3909. buoyant forces
  3910. Quick Uncertainty in an Average Question
  3911. Harmonic Potentials and energy state populations
  3912. Standing Waves Question
  3913. Power equation derivation
  3914. Need Help Remembering An Equation
  3915. forces in a paintball gun
  3916. Is colour dependent on wavelength of frequency?
  3917. What kind of physical force does the earth's magnetic field exert on any object?
  3918. distribution of charge within a CONDUCTOR
  3919. compressed air explosing or fire
  3920. skin effect for transformers
  3921. AS physics help... motion i think
  3922. Thought experiment about pressure (intro physics)
  3923. turbulent boundary layer
  3924. gyroscope torque
  3925. molar fraction with van der waals
  3926. Why can I hear myself through my cellphone?
  3927. highest force is at ZERO speed ???
  3928. Am and Fm radio
  3929. exponential falloff of intensity
  3930. Friction
  3931. forces
  3932. is this correct?
  3933. Current and Voltage Confusion
  3934. speed of light
  3935. Does gravity affect gravity the way gravity affects time?
  3936. Watts=Newton-meters per second
  3937. Trajectory of an Arrow
  3938. Wave Interference Lab
  3939. Physics and Irrigation
  3940. Balsa Wood Bridge
  3941. electrical conduction and insulation
  3942. Work done?
  3943. is this how particles interact?
  3944. Light
  3945. How does electricity power devices?
  3946. mix polarization
  3947. The product rule applied to the equation for work
  3948. Wave on string, c^2 = T/rho. Assume T proportional to rho ==> c^2 = constant.
  3949. Trying to conceptualize angular momentum.
  3950. How does polarisation of EM wave work?
  3951. how to change the charging time (battery)
  3952. 60 minutes: Cold fusion is hot again
  3953. how dense would neutron matter be?
  3954. Smallest wavelenghth?
  3955. How does a DC current polarize
  3956. Mass concentrated at a single point?
  3957. Gravitational Potential Energy - Further=Smaller?
  3958. How increased treble affects the graph of amplitude versus frequency
  3959. Does black holes exist all around us?
  3960. photoelectric effect question
  3961. Amplitude change of light during refraction
  3962. electrodynamics
  3963. Personal Water Craft (Jetski, etc)
  3964. Why does the dewpoint go down with increasing temperatures?
  3965. LOgistic equation (attractors)
  3966. wind directions
  3967. Why can't light escape black holes?
  3968. Physics Project Ideas
  3969. Sound Waves and Salt
  3970. Questions About Aerodynamics and Flying Cars- Help!
  3971. Relationship between pressure, density, temperature, and state of matter
  3972. Antenna Polarization
  3973. flies in a moving car
  3974. Uncertainties
  3975. Why does ElectroMagnetic radiation propagate forever?
  3976. force required to lift weight
  3977. Slope/Hill velocity effect
  3978. will light bend?
  3979. ball collision deformation
  3980. crystal growth in solid state
  3981. Dimensions and string
  3982. Finite speed of signal transmission and conservation laws
  3983. Physics Math, Lab Theory Question
  3984. Is information destroyed when someone dies?
  3985. Spring force - does it scale linearly?
  3986. Wind
  3987. Are there laws of physics which allow you to tell left from right?
  3988. Energy/Matter Statements
  3989. Thermoelectric Question
  3990. Aluminum liquid flow under pressure question...
  3991. why electic potential on the center of a disk axis = 0
  3992. photoelectric effect+frequencies
  3993. Fourier transform and uncertainity principle
  3994. Confused(HUGE misunderstanding) about potentiometer (HS physics)
  3995. Magnetic moment
  3996. Light reflection by traffic light after rain
  3997. An old assignment, notation.
  3998. Is there a difference between "mean speed " and "average speed"?
  3999. Jet vs. Hovercraft - the momentum dillemna
  4000. Gravity independant of mass?
  4001. A question about anti gravity
  4002. A circular body motion around its axis
  4003. Speed of light should depend on the amplitude of the waveform?
  4004. casimir effect
  4005. A Kunundrum!
  4006. Why a Ball remains stationary
  4007. A "galilean puzzle" in electromagnetism
  4008. Where to Find Experiment Kits?
  4009. a question about work
  4010. Water seeping upward
  4011. so, i can find my notes and need help. like, now please
  4012. equations for aiming tennis ball parabolic motion
  4013. Blue welding?
  4014. Double slit experiment (one slit closed)
  4015. AC Circuit
  4016. Young's double slit experiment
  4017. Portable radio in train, bad reception
  4018. Antimatter excotic particle or another reality?
  4019. Simple Pendulum / Rotational Kinematics
  4020. Wavelets and Fourier transform
  4021. Lightning Rods
  4022. Capacitor charging
  4023. All Elements
  4024. Time as a dimension
  4025. Pinhole Diffraction results - Young's Experiment
  4026. How many G's does a skydiver experience in freefall?
  4027. Force on 2 power lines
  4028. quantity conservation and calculus
  4029. MATLAB: Separate Points for Plotting
  4030. angular momentum
  4031. Superfluid with Ferrofluid properties
  4032. Silicon + ir
  4033. Light, current and Lightbulbs
  4034. The way Lenz force can accelerate a magnet
  4035. Gravitational Force
  4036. why water freezes at low pressure?
  4037. Sonic Flow
  4038. Effects of fast moving object on air masses
  4039. Equalizing flow between tanks
  4040. u values ....W/M2/K
  4041. please explain this... my professor just brushed over the idea and it's buggine me
  4042. How to calculate Microwave Power
  4043. Reflection and Transmission of EM waves
  4044. the other end water phase diagram
  4045. Why does the sky is blue?
  4046. Can anyone help me figure out how fast a bus was going?
  4047. Transmission of energy
  4048. DC Electric Motor
  4049. yo, i am no physisist and i need a formula
  4050. Approximate excitation of an exciter
  4051. 1D string on a cylinder and torus.
  4052. Singularities
  4053. speed of sound in substances
  4054. Electric field in a medium other than free space
  4055. polyhedra dissection
  4056. Safety in an explosion
  4057. Fields and Forces
  4058. Fresnel Reflection and Transmission Coefficients
  4059. what is" negative heat capacity"?
  4060. Dimensional Analysis
  4061. friction force in rotating and translating objects?
  4062. Calculating float line for a cone shaped vessel
  4063. phase shift in wave light??
  4064. Ball dropped from a moving train
  4065. nature of gravity
  4066. fringes of equal inclination/thickness?
  4067. Bessel functions, acoustics circular room
  4068. Gravity as Repulsion
  4069. interference vs diffraction ??
  4070. gravity?
  4071. Add another "anchor" to the anchored string.
  4072. Descartes, lunar eclipses, and the speed of light
  4073. Mechanical Engineering start-over!
  4074. small bandgap IR detectors need to work in crogenic temperature
  4075. Research Question Relating to Airflow and Airfoils
  4076. Temperature change after flow through an oriface
  4077. Good College Physics II Review?
  4078. Effect of air resistance
  4079. Accelerators
  4080. Question about weight/mass/force I can´t explain !
  4081. Rotational momentum/inertia?
  4082. How to tell if two system has same temperature?
  4083. Traveling at the Speed of Light
  4084. Gravity at a spot between the Earth and the Sun Summing to 0.
  4085. Clarification needed in Spectroscopy - Thanks
  4086. The jumping motorcycle
  4087. The Center of Charge of a triangular, metal sheet
  4088. Water Preasure Please answer....
  4089. Relationship power and amplitude
  4090. degrees of freedom
  4091. antigravity
  4092. Why is a current produced when shining light into LED
  4093. Feynman's Path integral formulation
  4094. Density Deep vs Shallow water
  4095. self-resonance
  4096. About Gibbs energy
  4097. Attractive Vortexes
  4098. Fluid Dynamics
  4099. why should or shouldnt this work?
  4100. Reynolds Number
  4101. Sponge Physics
  4102. LC Circuit
  4103. Impact on fence structure - (momentum exchange)
  4104. measuring the magnetic and electric constants
  4105. Resonance
  4106. Compressor vs Condenser - what's the difference?
  4107. physical phenomena with complex number solution
  4108. Difference between intensity and power
  4109. Objective Back focal plane diameter
  4110. Speed of spinning wheel?
  4111. which one would work better for me: PVC or Aluminum?
  4112. Reflection and wavelength
  4113. where does gravity come from
  4114. Question about stationary waves
  4115. Why does water with no gravity acting upon it form a sphere?
  4116. Determining fixed points of a map (Chaos)
  4117. Electric Fields and Potential Difference
  4118. Not electrocuted?
  4119. Diffraction efficiency
  4120. would it be possible to create a sterling engine out of liquid nitrogen and air?
  4121. A general, if a bit silly a question
  4122. Fleming's left hand rule
  4123. A question on the Higgs fields and Mass...
  4124. Syringe Physics
  4125. Optical problem concerning space mirror.
  4126. Transverse wave
  4127. Radioisotopes and the Age of the Earth (criticism?)
  4128. Stable nuclide
  4129. Gravity Field Simulation
  4130. Complex Numbers in physics
  4131. Would an acidic "atmosphere" remove oxygen from the area it affected?
  4132. Basic question on the newton and acceleration
  4133. Is an ocean all one level?
  4134. I'm having MASSIVE confusion about harmonics and overtones of stopped pipes
  4135. Question about calculating bullet penetration
  4136. Universal Law of Gravitation
  4137. Internet access via transmission lines?
  4138. What makes the sound when balloons pop?
  4139. Are protons visible?
  4140. Of light and mirrors
  4141. Ant soap bubble
  4142. Experimental data analysis
  4143. Sunsets
  4144. Strategy for convering between E&M CGS and SI units?
  4145. Quantum Computing
  4146. Paper Airplane
  4147. Lasers going through slits? Need your help!
  4148. is there any need to introduce time as a parameter?
  4149. tennis racket
  4150. UV degradation
  4151. Physics of baseball pitching
  4152. Relation between mass and velocity
  4153. EM wave orthoganality
  4154. how powerful would "super jump shoes" have to be?
  4155. Electrostatic Constant Written Funny
  4156. A BRIEF HISTORY OF TIME, question
  4157. Force of car at 40mph is equivalent to bowling ball at...?
  4158. Setting hbar = c = 1...how can you just do that?
  4159. Does pumping for speed really work?
  4160. Life-saving 'Pole' for Cliff-edge drop
  4161. What is Physical Basis of Tuning Note in Western Musical scale
  4162. L-edge of absorption
  4163. Different ways of slowing down an individual particle
  4164. Frequency to shatter a molecule
  4165. Radient energy vs nonradient energy
  4166. relation btween ohm's law and RBC or AC bridges
  4167. About laser physics
  4168. cricket ball swing and airfoils..
  4169. Black Light
  4170. Question about nuclear fission/fusion and binding energy
  4171. Significant Figures in Physics
  4172. Ukrainian writer in need of your knowledge
  4173. center of mass and "center of energy"
  4174. Negative Energy Solutions to Photon Wavefunction
  4175. Manifold question
  4176. A question about rockets
  4177. So is there any other use to Young´s interferometer?
  4178. Looking For Criticisms
  4179. Questions about electromagnetic induction
  4180. How do I calculate acceleration with a mass of Zero
  4181. insolation in the uk
  4182. Question about water flow through a PC watercooling system
  4183. does space resist the passage of light?
  4184. What is the maximum temporal resolution ever possible?
  4185. Fireman with a firehose scenario
  4186. inverted pendulum
  4187. reference area, in drag coefficient formula
  4188. elevons and rudders in space
  4189. Poissons equation for plasma
  4190. How to explain Physics
  4191. What does representation theory teach us?
  4192. Finding What's Missing In A Circuit
  4193. Gravity
  4194. Bicycling up hill, high gear or low gear
  4195. What is Energy?
  4196. Faradays rotating disk paradox
  4197. Gravity waves?
  4198. Just a quick question about a car jumping.
  4199. gravity and nuclear forces
  4200. Cause of Gravity?
  4201. understanding the concept of tension..
  4202. north and south pole in an electromagnet
  4203. inclined planes?
  4204. capacitors in RC cars
  4205. Correlated Color Temperature of Tungsten at Melting Point
  4206. Moment of force
  4207. Extension of a rod
  4208. Light and Time plus the distance - TIME to get from source to here
  4209. Beam interference detection
  4210. Need help with Barometric Formulas
  4211. A project that needs direction, on gravity, friction, acceleration & deceleration
  4212. Relative permittivity of gold at radio-frequencies
  4213. Moment of inertia and Stress
  4214. The Gravity of Sunnyside
  4215. Light rays reaching the eye
  4216. AR coatings and IR filters
  4217. What is vacuum?
  4218. A curious question on the inapplicability of Faraday's law
  4219. Angels & Demons - The anti-matter bomb
  4220. The Age of Light
  4221. Future of energy storage
  4222. In a vacuum...
  4223. Store Solar energy ?
  4224. Sound wave regression
  4225. Time travel...
  4226. Can a material stay magnetized after current is switched off in an electromagnet?
  4227. Billiards - Predicting Optimal Trajectories?
  4228. !! Lightning !!
  4229. Dimensions vs Universes
  4230. EM scattering
  4231. Acceleration (d^2x/dt^2) as a function of x; x as a function of t.
  4232. Question corncerning acceleration and velocity
  4233. Airplane wing .
  4234. Speed of light travel
  4235. Mass and Weight
  4236. Time
  4237. Momentum of Flywheel
  4238. Questions on gravity
  4239. Changing the course of an asteroid
  4240. Pumps
  4241. How does a single cable carry signals for the Telephone Intrenet and sometimes TV?
  4242. autocorrelation time
  4243. weight
  4244. Definitions of the Lagrangian and the Hamiltonian
  4245. Maximun wave frequency calculation
  4246. Potential temperature of a fresnel lens focal point
  4247. Sound and Space
  4248. sending information on light waves
  4249. Help me!!A spinning blue plastic object made me sleepless.
  4250. corona discharge
  4251. Measuring mass
  4252. Why do fluids expand with heat? explaining covection currents
  4253. How does a system consisting of two nuclei have rotational symmetry?
  4254. "Rotational degrees of freedom"...I don't get it.
  4255. Symmetry in Statistical Mechanics
  4256. Brightness of light & light model
  4257. Gauss`s And Ampere`s Law practical applications
  4258. Streamer velocity in air
  4259. the atmosphere and purity?
  4260. Reflection and Absorbtion of Microwaves, also Masers
  4261. Alternating Current. (When can we see it?)
  4262. currents in two same direction, they attract ?currents are going in opposite repel?
  4263. "elastic off-center central collisions" (?)
  4264. Modeling a plastic cup
  4265. series LC ckt question
  4266. FInding the current through a resistor in parallel with 2 other (nonequal) resistors
  4267. differentiability in nature (how many levels typically occur?...)
  4268. Negative refraction index
  4269. Vacuums
  4270. Why is Acceleration Due To Gravity Constant For All Bodies Irrespective Of Mass ?
  4271. Inertia or tension?
  4272. What inventions (or other wise) use light refraction?
  4273. Why does looking through a traw improve the focus or resolution you see?
  4274. wireless
  4275. free fal due to gravity
  4276. Random surface of non homogeneous materials
  4277. Gravity
  4278. EMwave in space and copper wire.
  4279. Research for a story
  4280. Generator question
  4281. Temperature and EM waves.
  4282. Inertia?
  4283. High and Low Frequency:Energy
  4284. How to find charge given voltage?
  4285. Deinsity
  4286. SIg Figs
  4287. Uncertaninity Numbers
  4288. Ball thrown upward
  4289. Paper and pen challenge
  4290. Turbulent vs laminar flow and density
  4291. Is this possible?
  4292. can you see the back of your head
  4293. Help needed for energy board!
  4294. Reactor Fission VS. Weapon Fission
  4295. Radiowave mediums
  4296. Air pressure variation with height
  4297. Three suns in the sky...Believe it or not...
  4298. Rigid body dynamics: Resting contact
  4299. Degenerate matter and temperture
  4300. Higher dielectric constant : better insulator
  4301. Surface charge density on the outer surface of a plate in a parallel plate capacitor
  4302. What causes Timeto Move?
  4303. How fast does the earth spin around its axis?
  4304. How is this Bio-mass power plant plausible?
  4305. What causes the back emf in motors
  4306. The Nature of Friction
  4307. Question About Speed Of Movement Through Materials
  4308. calculating terminal velocity
  4309. Power spike in secondary solenoid
  4310. I don't remember the name of this optical device!
  4311. Rotor blade size calculations
  4312. Why do we need to see gravitation as force?
  4313. Interesting lesson on Wheatstone bridges
  4314. Thought experiment with static electricity
  4315. what is energy?
  4316. questions about entropy
  4317. X-ray Fluorescence angle question.
  4318. Calculating frequency and wavelength from slop?
  4319. question about sound attenuation or absorption
  4320. mysterious car accident
  4321. microwave oven
  4322. Physics
  4323. Something I've always wondered
  4324. Equations for surface-object contact.
  4325. Dispersion of light in a prism...confusing!
  4326. Amplifier?
  4327. Charge -- what is it?
  4328. Egg Drop Experiment
  4329. Ultraviolet light question??
  4330. Pyroelectric conversion efficiency
  4331. What is space?
  4332. A Bernoulli Bet (experts please)
  4333. Unsolved Problems in Theoretical Physics and Astrophysics
  4334. solar water heater problem
  4335. Bunch of electrons - is it visible?
  4336. Pressure in pipes related to pipe size and pump for water filtration system
  4337. Gravity violating the conservation of energy in a closed system?
  4338. Flame becomes larger with water mist
  4339. Orbiting Pole
  4340. Light?
  4341. Weight?
  4342. Question on DC motor
  4343. welding in magnets
  4344. Uranium/Plutonium hot to the touch?
  4345. Wave Velocity, Amplitude & Phase change
  4346. Ampere's law and biot-savort law
  4347. Meissner effect and Lenz's Law
  4348. generators energy output
  4349. Group delay measurement using Michelson Interferometer
  4350. Low Work Function Materials
  4351. mutual gravitational force
  4352. Crossover X Phase Transitions
  4353. Diffraction of Waves through a circular aperture
  4354. Physicists and the Fields Medal
  4355. Why dont neutral particles in a bubble chamber leave tracks?
  4356. Radiation, Heat and Matter
  4357. Physics pop-quiz! Let's go!
  4358. Kinetic Energy and Electron Flow Speed
  4359. Why do physical laws always feature integer indices?
  4360. Pressure ?
  4361. Mathematica plot problem
  4362. What determines the velocity of light???
  4363. Light reflection and color
  4364. What would be the result of this collision?
  4365. dE/dx for a mixture of gases
  4366. Creating a charged object
  4367. How the first two laws of thermodynamics apply to order
  4368. Gravity and Satellites
  4369. At 0k, why is fermi level halfway in bandgap??
  4370. What prevents infinite potential with Nernst Equation
  4371. increasing the spot size
  4372. lhc at the north pole
  4373. molten magnet
  4374. Sun Reflector and tracer
  4375. Bh loop of steel at various ferquencies
  4376. prism?
  4377. Center of Mass
  4378. pacemakers and lightning bolts
  4379. How big an entrance would I need to a funnel if I wanted to reach 12m/s from 4.8m/s
  4380. does Biot-Savart law apply at high frequencies?
  4381. Solenoid problem
  4382. why do car wheels spin backwards
  4383. How did we get elements above lead?
  4384. How to determine air-resitance for a dropped coin
  4385. blackbodies
  4386. Photons and Pressure
  4387. F=ma?
  4388. who introduced the concept of variable velocity?
  4389. Hookes Law
  4390. The "Strand Model" of fundamental interactions
  4391. Infrared radiation by comsol simulation
  4392. Mushroom clouds
  4393. Cell phones and television.
  4394. What would happen if a tube like this were placed in the earths atmosphere?
  4395. Difference between plano-convex and biconvex lens
  4396. Best Heading/Orientation for Fastest Interception of a Moving Target
  4397. question about time
  4398. Heat, Atoms and Photons
  4399. Why do electrons have more kinetic energy when closer to the nucleus?
  4400. How is ionization an endothermic reaction?
  4401. Speed Retarding System
  4402. Why is the sky blue and not purple?
  4403. gravity in 2 dimensions
  4404. gravity and energy
  4405. matter and antimatter
  4406. Driving gyroscopes
  4407. What if there was a pole, whose length was the circumference of the Earth?
  4408. Hysteresis loop from the origin to saturation
  4409. Mv^2 or 1/2mv^2
  4410. Pure water doesn't freeze at 32F ??
  4411. Watt is it?
  4412. Hydro Equations
  4413. units, dimensions
  4414. emmisivity
  4415. Another strange physical event: This time regarding gravity.
  4416. Bicycle gear ratios
  4417. Conservation of Mass?
  4418. problem in sloshing 2d flow
  4419. aligning optical axis
  4420. Photoelectric Effect and Temperature.
  4421. How do you find the "degree of freedom" for energy
  4422. unification
  4423. Only one speed
  4424. Does "coordinate system" = "gauge"?
  4425. Candle Light
  4426. How much force or speed is needed to jump
  4427. Hydrogen emission spectrum
  4428. Outdoor electronic soundproofing
  4429. The role of surface tension in capillarity
  4430. Mega Engineering Houston
  4431. Characteristics and properties of milk
  4432. 10.1 megapixel camera, object is 18,877.90 feet away from me, can I see it?
  4433. gravity question
  4434. wt of racket hitting tennis ball?
  4435. Uncertainties
  4436. Regarding Electric Motor / Torque
  4437. the vibration direction of light wave
  4438. Difference between Field and Fluid
  4439. Energy of the universe
  4440. Inhaling helium.
  4441. Weak and strong interaction
  4442. PLEASE HELP. VB particle sim. Rate of neutrilization of charge
  4443. How would a man on earth appear from outer space
  4444. negative mass
  4445. The bell-in-a-vacuum-jar sound experiment
  4446. What kills you when you fall down?
  4447. section modulus of a cylinder
  4448. Properties of static charge
  4449. How does a dose rate meter determine dose with only a GM tool?
  4450. Magnetism, Gravity and Critical Momentum
  4451. help with project
  4452. Check my understanding of voltage please!
  4453. Interpretation of symmetries in physics
  4454. Acceleration and mass
  4455. Force on a surface
  4456. Another Gravity question
  4457. Why is space so afraid of matter?
  4458. Formation of reflection image, and specular highlights?
  4459. I'm too uneducated to disprove my magnetic mechanical idea.
  4460. Faster than the speed of light...
  4461. Magnitism or Static Electricity... Help please.
  4462. A simple practical answer needed
  4463. is it possible to create a negative charge in fabric?
  4464. Why is average velocity=(v+u)/2
  4465. Absolute Zero and Absolute Accuracy
  4466. Man on a 'raft'.
  4467. Laws of Motion in weight lifting
  4468. reduce light scattering by index matching
  4469. EM waves
  4470. Inductor
  4471. Infrared laser - remote control
  4472. EM shielding
  4473. Magnetic field hypothetical
  4474. Is this a reliable way to determine the alcohol %?
  4475. Nonohmic??
  4476. Formula and Methodology Request re: Shannon, Thorp et al.
  4477. What do you guys think to this?
  4478. Speed of sound
  4479. droplet's motion in electric field and gravitational field?
  4480. Gas calculation
  4481. question about speed of light
  4482. An optics phenomenon
  4483. Rolling Without Slipping
  4484. Uses for a Conductive Flame
  4485. What is the angle liquid will pour out of a glass?
  4486. 'Cars can power supermarkets'
  4487. This question I have...
  4488. physics of riding a motorcycle
  4489. Forces required to accelerate a mass on a spring
  4490. What actually is Fire?
  4491. Thermal expansion of solid cylinder with blind hole
  4492. Flame and Fire!
  4493. basic physics, interactions between multiple electrons
  4494. Time as a Dimension
  4495. Newton's laws and non inertial frame of reference
  4496. Momentum
  4497. Pendulum
  4498. COMSOL electrostatics question
  4499. An unmodelled component in astronomical and cosmological spectral shift
  4500. Hurricanes – Why so fast Winds?
  4501. Projectile motion formula
  4502. Air drag on a wire moving lengthways
  4503. Terminal velocity & Zero G.
  4504. questions about deriving the naviers stokes equations
  4505. Quantifying explosions - how to determine force/pressure/etc?
  4506. Thermal equilibrium and aluminum
  4507. Can there be more than Four Fundamental Forces?
  4508. Emission of Infrared radiation
  4509. Interaction of Radiation with Matter
  4510. About microscope
  4511. Physics behind Gaussian Accelerator/ Magnetic Linear Accelerator
  4512. How many electrons in an orbital?
  4513. First Law of Thermodynamics
  4514. Photosythesis in a cold climate
  4515. home made energy
  4516. wave propagation
  4517. Paper & hot bowl ?
  4518. Projectile Motion
  4519. Arterial blood flow
  4520. Measuring curvature of an object?
  4521. Mass and Force
  4522. Thermal equilibrium + heavier mass
  4523. graphing problem
  4524. Nanotechnology
  4525. My rant on 3D view of gravity
  4526. Confusion about moments
  4527. how do we explain young's double split phenomena with photons?
  4528. How do magnetic fields provide thermal insulation
  4529. Running jump
  4530. fluid dynamics - info needed on a complex flow
  4531. Points, extension, time, waves and many times (help!!!)
  4532. Space bent by gravity ??
  4533. Ratio of Distance Between Points in Different Holes Leading To The Center of A Globe
  4534. what is the plasma potential?
  4535. discharge
  4536. Finding energy of gamma ray with spectoscopy
  4537. How come the wind is cold?
  4538. Partiality in Self Induction
  4539. charge density and electromagnetics
  4540. Is any energy for free?
  4541. East and West
  4542. Hit and Run Car
  4543. What is an "ansatz?"
  4544. Force, I just don't GET it ???
  4545. Two Very Basic Circuit Questions
  4546. Geothermal IR and solar radiaton comparison
  4547. Rolling Resistance
  4548. force question
  4549. Benefits of using a superconductor to create a magnetic field at 77K
  4550. Creating an acoustic black hole
  4551. Diamond + oil
  4552. Potential Energy Clarification
  4553. Do accelerating magnets produce electromagnetic waves?
  4554. how mag force affects metal?
  4555. G-Force Accelerometer conversion to Pounds per Square Inch
  4556. what is non-canonical Possion Bracket?
  4557. MRI Imaging
  4558. mapping
  4559. SCENAR technology - frequency help please
  4560. Which of these radiation sources gives a higher dose rate?
  4561. Newton's second law
  4562. Mersenne's Law
  4563. Dangers of high current/voltage?
  4564. principle of capacitors
  4565. Finding the polarity of fridge magnets
  4566. Theory problems!
  4567. Building Materials Refractive Index??
  4568. What is voltage?
  4569. Hydrostatic Pressure
  4570. Deceleration calculation for moving screen objects
  4571. Containing a nuclear blast inside a giant solid metal sphere
  4572. Is the rate at which the universe expanding increasing?
  4573. Mad About Physics book
  4574. universe expanding +c. +c impossible?
  4575. Solenoid power and conical area
  4576. inductors sharing energy
  4577. Trafo/Transformer question
  4578. Find density on dropping a ball
  4579. Barton's Pendulums - Energy Conservation
  4580. Angle of Incidence and Reflection.
  4581. gyroscope-powerball question
  4582. Question on calculating load on tidal movement
  4583. Explaining E=M C^2 to 14 year olds ???
  4584. Calculating the rotational component of a force on a Newtonian body?
  4585. Reversibility of Otto Cycle
  4586. elliptical movement of a svinging pendulum
  4587. Calculating dowforce of a wing
  4588. Conceptual problem with gravity
  4589. Flow seperation
  4590. Questions on ferromagnetism and attraction
  4591. [Ray Tracing] Wavefronts & Reception Sphere
  4592. Dispersion and EM waves.
  4593. Crash Crash Question
  4594. Radiation propagation
  4595. Quantum Gravity and time's arrow
  4596. Continuously Water thermolysis
  4597. how would you calculate air resistance from a projectile
  4598. Physics impulse
  4599. Thermos
  4600. Absorption spectrum of water in the UV range
  4601. Universe Expansion
  4602. Wolf chasing chicken
  4603. when does gravitational force = electromagnetic force?
  4604. Will these lightbulbs light up?
  4605. Voltage and the concept of work
  4606. increasing FOV
  4607. Pressure, temperature, and volume relation in liquids
  4608. from km/s to kpc/Gyr
  4609. combining two decibel values vs dissimilar values
  4610. Please explain what an "axis of inertia" or "principle axis of inertia" is!
  4611. Color of the Clouds.
  4612. Blackbody radiation?
  4613. Probability of being struck by lightning
  4614. Speed of electricity
  4615. Question on remote power harnessing?
  4616. Is this Idea feasible?
  4617. Longitude and Latitude angle at 12M
  4618. information, what counts as it, why isn't phase velocity etc. information?
  4619. electron flow ?
  4620. What does it mean to say that two things are "coupled" or "not decoupled"?
  4621. Superconductive Electromagnets
  4622. Electric Potential Earth and Sun?
  4623. Gravitational pull at the center of the Earth
  4624. Material for a high transmittance Prism and where to Buy
  4625. lambert's scatterer
  4626. Dielectrics Table
  4627. A Theory of Gravity
  4628. Interesting comment about medical research vs. physics research
  4629. > Wavelength range of Hydrocarbon spectral emissions
  4630. If someone says something about a "fourth-order approximation," does that mean...?
  4631. Displacement and Work
  4632. parker 61 fountain pen
  4633. Best way to transform particular mechanical energy into electrical energy
  4634. Can magnets control fire?
  4635. How do I make a saturated vapor vessel?
  4636. Train problem
  4637. problem about black body
  4638. Radiation, stealth question
  4639. Oscillating chemical reaction
  4640. Can all electromagnetic waves carry information?
  4641. Soapbox racer - heavier is better?
  4642. Cooling down by switching the heating on?
  4643. Can Gravity Really Slow Down the Expansion of the Universe?
  4644. Special and General Relativity
  4645. Calculating wind pressure against a rigid wall
  4646. Attaching Airfoils to a Bike
  4647. Which physics law states that you can't open a door under water until pressure evens
  4648. About " optical lenses " & " Curved mirrors "
  4649. what is the fact of constant of proportionality?
  4650. ball lens
  4651. electrode coating methods
  4652. inertia:jumps in train
  4653. lightning !!!!
  4654. Damped 3D Lissajous Figures, free Wolfram products.
  4655. Something about a fly and a train though experiment
  4656. Natural Frequency
  4657. volume of metal in a spring changes or not?
  4658. falling maget bar
  4659. Acceleration in Water compared to Air
  4660. maximum velocity of buoyant object
  4661. how many times more powerful are gammaray bursts than supernovas
  4662. Oxygen Partial Pressure
  4663. Can a hilly out and back course be faster than a flat course
  4664. Simple Atwood apparatus question...
  4665. Natural Frequency Of Space Frame & Motorcycle Frame
  4666. Resistance of a Spherical Wire
  4667. radiant intensity calculation
  4668. Continuity Equation - Why do the flow rates have to be equal?
  4669. Maintaining a temperature of 70 degrees in a metal powder
  4670. Looking for the third person relative time equation
  4671. Whats the sound that you hear from scratching a fork on a plate called
  4672. Time Travel
  4673. A question of energy
  4674. Is there a limit to frequency?
  4675. Protons
  4676. Air vibrating in a cylindrical cavity
  4677. Velacity
  4678. Antimatter ?
  4679. [I=(1/4)cE]? Relation between radiation emittance and energy density in a black body
  4680. Inclined Plane Collisions
  4681. e=mc2
  4682. Pulley/Horsepowercalculations
  4683. Shield
  4684. water displacment question.
  4685. antimatter at c
  4686. superluminal transfer of information via gravity
  4687. high-Speed Blender
  4688. Still confused about electric potential difference *read first*
  4689. Uncertainty principle
  4690. pipe deformation under pressure
  4691. Equation defining a parabola?
  4692. why do flags flutter?
  4693. newton's cooling to be applied to heating
  4694. What causes the moon to be bright at night?
  4695. electromagnetic energy saving space shuttle!!
  4696. copressibility
  4697. Ellipsometric data (Psi and Delta)-- Dielectric Function
  4698. Why does it take more energy to heat nitrogen?
  4699. What is touching
  4700. Spd. of light
  4701. specific heat of different materials
  4702. Laser safety
  4703. stationary red and blue shifts
  4704. Question about magnetizing field and recoil permeability
  4705. Temperature Limits
  4706. A question on window breezes and bernoulli effect
  4707. refractive index question!
  4708. Black holes
  4709. charging a capacitor
  4710. Time travel
  4711. Time to stop a flywheel
  4712. a question on window draughts, hot days and bernoulli
  4713. Zero G thought experiment
  4714. What causes refraction?
  4715. If my camera is 4500 feet away from an object, will it be able to video record it?
  4716. A new point of view on freezing point.
  4717. DC motors combined to increase volts?
  4718. Cerenkov radiation and the speed of light
  4719. Parabola
  4720. principle of manometer
  4721. Free fall
  4722. spec heat capacity of BRONZE
  4723. Does Gravity exist ?
  4724. Magnet force on a angle
  4725. Speed vs Friction
  4726. Eliminating noise from Excel Data
  4727. Rechargeable electromagnet?
  4728. Force (Newton's laws of motion)
  4729. Temporal Flow Structure
  4730. Hydrostatic Force
  4731. Billiard Ball Center Of Percussion Question, Please
  4732. He Canister
  4733. How can I launch a rocket from 200 feet away?
  4734. Votex Cooler principle
  4735. How accurate are Newton's formulas concerning Gravity, and other questions
  4736. Aircraft Flight Dynamics
  4737. question on pogo-stick physics
  4738. Meaning of Divergence
  4739. Let's see if I have it now.
  4740. simple harmonic motion --> amplitude independent of mass?
  4741. transparency and refractive index
  4742. Uncertainty Principle and the size of an atom
  4743. Why do microwaves heat honey so fast?
  4744. Parabolic Path of a Projectile
  4745. Matlab code for plotting magnetic scalar potential of a sextupole
  4746. Why are metals shiny?
  4747. EM penetration
  4748. investigations on graphite paper
  4749. Are we digital or analog?
  4750. Electric Flux depedent on position inside a surface, yes?
  4751. Demonstration, measuring time with a stick
  4752. Plane after take-off to heavy to climb to cruising altitude?
  4753. energy of a falling rain drop
  4754. torsional pendulums which are hung by 2 wires - do anyone have info or links?
  4755. electronics - voltage regulator
  4756. working of a siphon
  4757. Electricity Questions
  4758. submerged vs underwater
  4759. Is the force exerted on the rope 10 KN or 20?
  4760. Electric polarizability from Dielectric constant?
  4761. Punted Football
  4762. Young's Modulus and volume
  4763. Coal into diamond
  4764. accelerating speed to cover specific distance
  4765. Graphing Potential(V) as a function of distance (r) help fitting a power function...
  4766. Need help with a fluid system debate -Bernoulli
  4767. If a rocket is moving upwards at 28.72 meters per second, how long until it stops?
  4768. what does colour depend on ?
  4769. Accuracy of Meter Bridge
  4770. coke bottle submarine
  4771. Can a nuke crush a volcano's slope?
  4772. how to make explosive?
  4773. How to separate sound from another sound?
  4774. Time and Light
  4775. Total relative perssure Relation
  4776. Calculate pressure in liquids
  4777. Attractive and repulsive light force
  4778. Controversy over heights achieved at moon jumpings
  4779. Fully Electric car with wind generators
  4780. Golf Physics
  4781. What is electricity?
  4782. Definition of Gas Constant
  4783. Hydraulic Press Formula
  4784. Optical phenomena with colliding river rocks
  4785. Infra-red Electromagnetic waves.
  4786. Magnetic Moment CGS/SI
  4787. Amount Of Substance as A Unit
  4788. Does motion require emptiness
  4789. Introduction to optics
  4790. Question on conservation of angular momentum
  4791. leaning forces
  4792. Accuracy of a thermometer
  4793. Preesure changes in fliud movement
  4794. format size
  4795. Water Pressure Calculation with atmospheric pressure corrections
  4796. Gasoline...what expansion, also what pressure?
  4797. on earth's two speeds...
  4798. Series of physical events in an exothermic reaction
  4799. optical question
  4800. What can cause the voltage of my circuit to fluctuate in the way it does?
  4801. What EXACTLY is momentum?
  4802. Newtons Law
  4803. Beginner Question on the Electromagnetic Spectrum
  4804. Equation for Permeability of an electromagnetic core
  4805. light ?
  4806. Projectile Range Equation in 3D Space
  4807. How can I ignite these three rocket igniters?
  4808. Light
  4809. Question about electrons.
  4810. In a grand unification theory, what are algebraic equations of the various forces
  4811. Boggling result of venturi experiment
  4812. Setting a vector to another magnitude
  4813. brilouine zone
  4814. Bernoulli friction?
  4815. Magnetic fields
  4816. Scientific Equation symbols
  4817. second law of thermo on a macroscopic scale
  4818. Wave
  4819. Rotating a vector
  4820. Is it possible to conserve gravity ??
  4821. Static pressure in round pipe bends do what?
  4822. Strength of Gravity
  4823. Paintball impact with stonger Gun
  4824. Help with calculating motor requirements
  4825. Something I have always wondered.
  4826. Maximum possible acceleration time period based on distance and take-off velocity?
  4827. Resonant Frequencies of Coaxial Cylinders
  4828. applying force
  4829. heart pumping and body wieght
  4830. Does a photon experience time or space?
  4831. Are the eyes an example of the photoelectric effect
  4832. history of physics
  4833. Can spacetime exist without energy?
  4834. When will gravity lose its grip?
  4835. Wavelength versus hole diameter
  4836. "Absolute Position"
  4837. Butterfly effect from .01 degree temperature uncertainty
  4838. applications of realitivty once we can travel at near c
  4839. Applying force
  4840. Single slit interference. ??
  4841. Gravitational attraction
  4842. Einstein-Bose condensate ?
  4843. About Non-Newtonian fluid
  4844. Wave/Sonar Questions
  4845. A short sighted question
  4846. Friction question?
  4847. Energy loss in the doppler effect?
  4848. Lasers - cavity stability, beam quality and aberrations...
  4849. How to prevent ice from forming?
  4850. Height of a object
  4851. Gravitation: curved spacetime or a force?
  4852. Fake Cavendish experiments
  4853. Polishing bk7
  4854. Global warming demonstration
  4855. Spring to propel object at specific velocity
  4856. Sun vs. moon - affects on tides.
  4857. Help prove something mathematically
  4858. Dynamic Soaring
  4859. What is energy and work in electricity?
  4860. Static Friction
  4861. Orbits
  4862. Polarization Of light
  4863. Light
  4864. Flux density of solenoid beyond the pole
  4865. Elastic Collisions
  4866. Reference frames in Magnetism
  4867. Creating my own Undergrad Cirruculum
  4868. Induction to change output voltage of DC.
  4869. speed of light
  4870. We never really touch anything?
  4871. Optics: Leveling Components
  4872. I dont get this
  4873. Why does electrical current passing through the human body hurt?
  4874. Can the other two cameras provide a better pictuer?
  4875. Need a great analogy for Maxwells 1st eq
  4876. Volume moved through by an object at variable velocity
  4877. Theoretical Armor Question - Joules Conversion
  4878. pressure loss coefficient
  4879. thermodynamical properties form vibratioanl
  4880. Noone really knows what an electric field is
  4881. Easiest Cavendish G experimental setup
  4882. traveling .999999 reapeating the speed of light .
  4883. Kinematic equations
  4884. high voltage spark and air compression
  4885. Ruben-Chladni plate
  4886. Electronic hole vs. virtual positron
  4887. Popping bubbles underwater
  4888. Time Travelling-Very Intereting Conversation
  4889. Newtons vs Newton meters
  4890. Strange Radio Reception
  4891. Superfluid properties
  4892. Just to know...??
  4893. Elastic Collisions solving for velocity.. any help?
  4894. Magnetic Field Flux of Neodymium Magnets
  4895. Hysteresis loop in probe??
  4896. Charge Conservation
  4897. Blue Pool - colour change phenomenon
  4898. Reflection of light
  4899. Diagonalization of large non-sparse matrices
  4900. Limit to the strength, the hardness, and the density of a material?
  4901. Acceleration of ball bearing near solenoid
  4902. why everything is shaped like a circle?
  4903. photons and Dispersion - how?
  4904. Will an objects velocity be impacted if it is being pushed with one pound of force?
  4905. about resolving power?
  4906. Why does a fluid exert an upward force?
  4907. Plumbob creating designs in sand?
  4908. Escape velocity and Dark Matter
  4909. Equivalent Resistance
  4910. diffraction vs interference
  4911. Electrons v2
  4912. What exactly is a wave? What is it made out of?
  4913. Observations takne at the speed of light
  4914. Why should you need to know the electric current in a circuit?
  4915. how do battery works?
  4916. witricity -- I'd like some opinions
  4917. laser in outer space
  4918. Explanation regarding electric potential energy
  4919. Atmospheric Opacity and laser Attenuation query
  4920. Potential energy
  4921. is this a real thing
  4922. Why 1000s of acres antenna needed?
  4923. Spectrometer slit
  4924. about microscope resolution
  4925. the propagation of light through a vacuum.
  4926. Laser Pointers paint the moon
  4927. Coherent Light Waves
  4928. single-slit diffraction
  4929. In a circuit, how do you describe the energy of a charge?
  4930. fov of spherical ball lens
  4931. Michelson–Morley experiment
  4932. Velocity of compressed air blowoff
  4933. electricity and magnetism
  4934. Gravity Accelerating Objects To The Speed Of Light
  4935. Newton's Cradle
  4936. Aerodynamics of a flying disc
  4937. Electric resistence
  4938. Force resistance in shells
  4939. Negative Velocity
  4940. Energy time relationship from an observer in space
  4941. What is better to do when electricity goes out?
  4942. A thought experiment involving inductors
  4943. Vacuum - Vacuum Pump
  4944. coherent light waves
  4945. understanding angular momentum
  4946. exergy
  4947. 3 questions about electricity
  4948. Energy Conservation Problem?
  4949. energy absorbed from sunlight
  4950. A ballistics question I have (regarding penetration)
  4951. On/Off Ratio
  4952. Decreasing temperature using pressure
  4953. Help with building an ElectroMagnet
  4954. application of specific heat capacity ratio of air
  4955. Reading Russell's ABC of Relativity, stuck in chapter 3 (about speed of sound)
  4956. Temp ?
  4957. velocity & acceleration
  4958. If we could ever teleport
  4959. Question about electrons and how we interact with them
  4960. Calculating pressure in 2-phase closed systems
  4961. How does a blackbody absorb radiation? and why?
  4962. Centripetal force
  4963. Strong laser pointers - facts?
  4964. Planck's blackbody radiation law is proved untrue at nanoscale distances
  4965. Newton's law of universal gravitation
  4966. Potential Divider confusion
  4967. Auto Accident
  4968. Are electrons the only thing that emits light?
  4969. equation for F using flux desnity in solenoid
  4970. [Plasma physcis] fluid equation
  4971. speed light in a medium
  4972. Average Kinetic Energy of Ions after EI in MS?
  4973. igniting gunpowder?
  4974. photons and magnets
  4975. Bernoulli's Equation
  4976. New here! Introductions...
  4977. What is the Casimir Effect?
  4978. a= dv/dt
  4979. how to calculate the energy of the ice absorbs heat then becomes water
  4980. Tangent Galvanometer help (square loops around compass)
  4981. Light Pyshics
  4982. Pressure at altitude
  4983. Gimble
  4984. Heating water in a long container
  4985. voltage divider and potentiometer
  4986. Spring Question
  4987. Meat-eors: How fast does a steak need to travel to cook completely?
  4988. what exactly is capacitance?
  4989. Question about objects on waves
  4990. Confusion with "faster than light"
  4991. calculation of wavelength of EMW produced due to an accelerated charged particle
  4992. Dependence of potential on only the *difference* between two variables...
  4993. Two cars driving 30 and 40 mi/hr is like hitting a brick wall at 70 mi/hr...
  4994. can electrical curents flow from generator to transformer
  4995. Coriolis and free fall
  4996. Need help with microscope
  4997. If the object ends up at its initial point
  4998. Calculating energy requirements for heavy runners
  4999. Anyone aware of the Physics of Hydrogen Bonding ?? Please suggest resources !
  5000. Physics olympiad