Participate in expert physics discussion. Discussion on the nature and properties of matter and energy. This area is for topics that don't fit the other categories. Mainstream physics only.
Threads
Graduate Calculating autocorrelation function
- vjramana
- · Replies 16 ·
Undergrad Average Velocities and Musical Conducting?
- m00nbeam360
- · Replies 1 ·
Undergrad The existance of constant = lack of knowledge?
- sinr0202
- · Replies 17 ·
How to prepare for the online physics brawl competition
- Phys student
- · Replies 1 ·
Undergrad Why must waveforms match the transmitting channel characteristics?
- zakee.fancy
- · Replies 1 ·
Undergrad Suggestions for a metal for use in a aural/kinesthetic exhibition
- Hohohobo
- · Replies 4 ·
Graduate Why is there a central line in Zeeman effect?
- Ruptor
- · Replies 7 ·
Graduate [coupled harmonic oscillators] old thread- need elaboration
- rsaad
- · Replies 3 ·
Undergrad Dilemma : Which Physics book to use?
- MrApex
- · Replies 5 ·
High School Why mole and kelvin are basic units?
- jd12345
- · Replies 23 ·
Julian Schwinger Lectures - Videos Online?
- "pi"mp
- · Replies 1 ·
Graduate Adding phasors with different frequencies, amplitudes and phases
- omertech
- · Replies 11 ·
Graduate What would happen if a big superfluid cloud eclipses the Sun?
- Juanma
- · Replies 6 ·
High School Questions about e=mc2 and probably other equations
- AviiNL
- · Replies 14 ·
Undergrad Why does a piggyback IV bag empty before the main bag?
- wolf!
- · Replies 29 ·
High School Im in High School and I know nothing about physics
- Noob student
- · Replies 6 ·
High School I'm sad that I don't understand physics
- Yayfordoritos
- · Replies 10 ·
High School Can Salt Water Generate and Store Electricity for Cars?
- gunguy702
- · Replies 2 ·
High School The Equation for Volumetric Flow Rate?
- skoopfadj
- · Replies 5 ·
Graduate What does a dimensionless quantity divided by distance mean?
- V0ODO0CH1LD
- · Replies 4 ·
What Are Affordable Gift Ideas for a Physics Enthusiast?
- Ascendant78
- · Replies 3 ·
High School Is Newton's Law of Attraction Related to Gravity?
- astralfx
- · Replies 1 ·
High School Why does pressure transmit equally in enclosed fluids if pressure increases with depth?
- Celluhh
- · Replies 7 ·
Graduate Resistivity measurements of a circular shaped sample
- brk
- · Replies 7 ·
High School I have troubles relating the idea with the formulas
- paki123
- · Replies 1 ·
Undergrad Why Do We Calculate ΔU as U2 - U1 and ΔKE as KE2 - KE1 in Physics?
- ehabmozart
- · Replies 8 ·
Undergrad Do I have to know general physics before Calc-based-physics?
- DaveTheRave93
- · Replies 1 ·
Detection of dead body in insulation
- Thundagere
- · Replies 4 ·
Undergrad What gives a liquid energy to flow ?
- harjyot
- · Replies 9 ·
Was the Derren Brown Apocalypse special faked?
- jetwaterluffy
- · Replies 8 ·
High School Why is milk white if fat droplets scatter light like clouds?
- SUDOnym
- · Replies 7 ·
High School What caused two stars to move in a zig zag pattern and disappear?
- Guest82
- · Replies 4 ·
High School Is this forum welcoming to beginners in physics?
- Julio Cesar
- · Replies 1 ·
Graduate Bohr-Einstein debate: why did Bohr not simply say
- nonequilibrium
- · Replies 37 ·
Undergrad Why is capacity not stated on primary batteries?
- jumpjack
- · Replies 14 ·
High School Can Multiple Springs Amplify Launch Power Like Magnets with Ball Bearings?
- positspectrum
- · Replies 4 ·
Graduate Decrease in viscosity upon rapid decelleration
- clanijos
- · Replies 5 ·
Undergrad How does a vacuum cleaner generate suction from pressure differences?
- spacediver
- · Replies 28 ·
High School Why do you some time only hear the bass when listening to music
- g.lemaitre
- · Replies 2 ·
C21: Physics Teavhing for the 21st Century
- AnTiFreeze3
- · Replies 1 ·
How to correct english in physical article
- exponent137
- · Replies 20 ·
High School Funny/Cool Names for Nuclear Event
- trooper88
- · Replies 12 ·
Graduate Does Gravity Affect Itself and the Higgs Boson?
- Cosmicpanda
- · Replies 4 ·
Physics Discussions with No-one to Talk To: A Story
- Manula
- · Replies 4 ·
What gift would suit an aspiring physicist?
- Jow
- · Replies 9 ·
Undergrad Is Charles Bennett one of the most prominent physicists alive?
- Casco
- · Replies 2 ·
Undergrad Why is the Exponential Constant e Unitless?
- DmytriE
- · Replies 2 ·
Undergrad Using physics to conduct neuroscience research on the brain
- nukeman
- · Replies 25 ·
Undergrad Can you graph a five-dimensional figure with extra axes?
- pureinterest
- · Replies 5 ·
Graduate Welcome! Physics/Math Relearners - Find Solutions Here
- bengunn
- · Replies 9 ·
Graduate Is Figure 11-7 in Feynman's Lectures Incorrect?
- Hetware
- · Replies 12 ·
Undergrad What's the Formula for Calculating the Density of a Gas Mixture?
- alexmath
- · Replies 5 ·
Anybody interested in starting a physics podcast with me?
- gravicle
- · Replies 9 ·
Einstein's famous equation visualized
- TurtleMeister
- · Replies 2 ·
Is the Life of a Physicist as Serious and Intense as We Imagine?
- uperkurk
- · Replies 5 ·
Graduate Finally a physics paper with a little originality
- Jim Kata
- · Replies 2 ·
Undergrad Explanation about air flows in tubes
- Ibraim
- · Replies 2 ·
Animals whose physics inspired human inventions
- GetNVan4Candy
- · Replies 5 ·
Identifying a brass vessel with spout and copper cylinder inside
- robincaz
- · Replies 6 ·
High School Physics concepts inspired by animal behavior
- GetNVan4Candy
- · Replies 2 ·
Undergrad Why does gravitational potential increase with distance from Earth?
- ofeyrpf
- · Replies 4 ·
If somehow we could hear the sun, how loud would it be?
- jaydnul
- · Replies 1 ·
High School Why don't gases get pulled to the ground by gravity?
- Leoragon
- · Replies 9 ·
What proportion of physicists are autistic?
- MojoMcGunner
- · Replies 38 ·
High School Dimension Of Physical Quantities
- Xidike
- · Replies 14 ·
Undergrad How can you prove or disprove a theory in physics
- 5ymmetrica1
- · Replies 21 ·
I figuring out an anniversary gift for my physicist boyfriend
- agirlfriend
- · Replies 11 ·
High School Which to use to calculate I: P=VI or V=IR
- liangtp
- · Replies 7 ·
Undergrad Mass, Volume and Specific Gravity
- wahaj
- · Replies 2 ·
High School Why Did Felix Baumgartner Jump From 128,000 Feet Instead of Going Higher?
- uperkurk
- · Replies 44 ·
Graduate Peak deconvolution - How much information can I get from these peaks?
- blonk
- · Replies 1 ·
Nominations Welcomed for Fundamental Physics Prize
- Rob Meyer
- · Replies 1 ·
Undergrad Why do we only hear between 20Hz and 20khz
- mkj
- · Replies 2 ·
Could we build a hoverboard by October 2015?
- gopolks
- · Replies 6 ·
More hockey questions putting the puck in a cooler before the game?
- ausername1
- · Replies 2 ·
Undergrad Starting physics olympiad prep 3 months before the first stage
- akansha.ak
- · Replies 4 ·
Undergrad Does flow rate increase as valve opening increases at constant pressure differential?
- Aj83
- · Replies 17 ·
Undergrad Undergrad Research Opportunities - Ideas Needed
- CAF123
- · Replies 8 ·
Undergrad Cloud Chamber Using Peltier Coolers
- FeynmanIsCool
- · Replies 1 ·
I am new to this forum, want guidance
- RohitRmB
- · Replies 18 ·
High School Can someone describe E=mc^2 to me in laymans terms
- Niaboc67
- · Replies 3 ·
Graduate Was Genz right about nothingness? possible stupid question
- scooterblenny
- · Replies 1 ·
How do physicists invent equations and remember all the symbols?
- uperkurk
- · Replies 2 ·
High School Is the equator toilet flush demonstration really Coriolis effect?
- quantum123
- · Replies 9 ·
High School Does quantum teleportation destroy the original and reconstruct it elsewhere?
- michojek
- · Replies 27 ·
High School Cause and Effect Without Frame of Reference
- shadow15
- · Replies 6 ·
Graduate A question google isn't answering
- G3n3sis1
- · Replies 1 ·
Undergrad How to Analyze a BJT Using Pi-Model?
- ashabajulius
- · Replies 1 ·
Undergrad Is physics harder than chemistry and biology if it studies more basic phenomena?
- DarkFalz
- · Replies 17 ·
Undergrad Preventing Hysteresis in homemade Force Sensing Resistors
- JohnnySmithy
- · Replies 3 ·
High School Recommendations for good physics books from the library.
- Yayfordoritos
- · Replies 4 ·
Undergrad Difference between dW and W in work calculations
- doctordiddy
- · Replies 7 ·
Undergrad Is the Laplacian a Vector or Scalar?
- iVenky
- · Replies 1 ·
Graduate Why is the Flexural Wavelength Dependent on Density?
- cpbrown
- · Replies 2 ·
Undergrad Is a fuel cell technically an energy storage device?
- Ryuk1990
- · Replies 5 ·
Undergrad Error of Product: Calculating Speed of Sound Formula
- Opus_723
- · Replies 4 ·
Graduate Can a Homogeneous Equation Still Be Incorrect?
- talhakhan
- · Replies 3 ·
High School Is van der Waals force non-electric?
- mather
- · Replies 44 ·
Undergrad Is it Possible to Separate Oxygen from Air Using Centrifugal Force?
- JonPriluck
- · Replies 3 ·
Who Will Win the 2012 Nobel Prize in Physics?
- WiFO215
- · Replies 5 ·