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
High School The 7-Fold Paper Dilemma: Is There an Explanation?
- _Mayday_
- · Replies 7 ·
Can I Take Inflated Coffee Bean Bag on Plane?
- garytse86
- · Replies 2 ·
Undergrad XRD of Deformed Steel Sample: Electropolishing Needed?
- ashvinfpm
- · Replies 2 ·
Undergrad Why do waves increase in amplitude when approaching a beach?
- hanson
- · Replies 4 ·
Undergrad Is there really no gravitational force at the center of a massive object?
- DaveC426913
- · Replies 42 ·
High School Why do car windows explode from impacts?
- nacho-man
- · Replies 7 ·
Graduate Did Kant and Ritter influence Oersted's unification of electromagnetism?
- Nusc
- · Replies 61 ·
Graduate Doomsday dec21,2012 - from physicists perspective
- spideyinspace
- · Replies 2 ·
High School Can Lightning Create a Sonic Boom?
- Nymn
- · Replies 7 ·
Highest Scoring Entry for 2007 Physics World Quiz Contest?
- ZapperZ
- · Replies 39 ·
High School Why do alkaline batteries lose their capacity after 50 times of recharging?
- Physicsissuef
- · Replies 6 ·
Undergrad Why doesn't compressing a gas convert it to liquid if intermolecular spacing decreases?
- sadhu
- · Replies 14 ·
High School Does sound energy require mass if sound waves have no mass?
- kaweezah
- · Replies 1 ·
Graduate Is a Theory Generation Program possible?
- Meatbot
- · Replies 7 ·
Graduate Can Obstacles Enhance the Speed of Incompressible Fluid Flow?
- Loren Booda
- · Replies 3 ·
Mars glows, no need for Rudolph's nose
- Evo
- · Replies 2 ·
High School How Can One-Dimensional Particles Transform a Hollow Box into a Solid Object?
- wolram
- · Replies 3 ·
Why Launch a Rocket on the Winter Solstice?
- Integral
- · Replies 5 ·
Unbelievable Phenomenon: Rain Falling in a 5 Foot Radius
- Math Jeans
- · Replies 9 ·
High School Physical explanation for thunder
- ash_win
- · Replies 2 ·
Saw a bright meteor, want to watch more from Griffith Observatory
- Math Is Hard
- · Replies 13 ·
High School Does Running in the Rain Make You More or Less Wet?
- mordechai9
- · Replies 55 ·
High School Can Objects Shrink or Enlarge According to Physics?
- bassplayer142
- · Replies 8 ·
Undergrad What is the best way to study and learn physics?
- Tarek Ahmed
- · Replies 1 ·
Does peeing on the toilet bowl side cause spray?
- MrSandman
- · Replies 31 ·
High School Interesting ideas for extracurricular physics project
- Mateja
- · Replies 1 ·
Moving Dimensions Theory, aka MDT
- OmCheeto
- · Replies 1 ·
High School Bullet Proof Material: How Does It Work?
- jobyts
- · Replies 4 ·
Undergrad Do we understand electromagnetics?
- jonourd
- · Replies 37 ·
Undergrad Why do we still use seconds and meters as SI base units?
- Firestrider
- · Replies 2 ·
Why does the sun have a black point and is it an optical effect?
- chuy
- · Replies 26 ·
Mainstream Science: What's the Mainstay?
- wolram
- · Replies 9 ·
Undergrad Capillary Action (Capillary Depression)
- Pete2s
- · Replies 2 ·
High School Why do we get an eerie feeling when metal gets scratched?
- aerosmith
- · Replies 9 ·
High School Are there some calculator programs like this out there?
- mango84
- · Replies 1 ·
Undergrad Why doesn't reversing one woofer's phase reduce noise between opposite drivers?
- ocacoustics
- · Replies 11 ·
Do Parallel Realities Really Exist in Quantum Mechanics?
- jcs
- · Replies 4 ·
High School How to calculate significant digits
- CaitiePhr33k
- · Replies 9 ·
Undergrad Are the Feynman Lectures worth reading for fundamentals?
- t-money
- · Replies 11 ·
Graduate Influence of a humidor on the aerodynamics of baseballs
- marcus
- · Replies 5 ·
Undergrad What is the estimated radius of a bomb explosion with 400 lb of high explosives?
- lewdtenant
- · Replies 15 ·
Undergrad Using Spectrometer to measure soil nutrient solutions
- vmancini
- · Replies 2 ·
Graduate Can physics and universal variables determine fate and free will?
- Math Jeans
- · Replies 5 ·
Undergrad Spectrometer vernier scale. Quick answer
- teleport
- · Replies 9 ·
Surfer dude theory of everything
- muppet
- · Replies 2 ·
Should physicists with PhDs earn more than professionals like pharmacists?
- The_Z_Factor
- · Replies 21 ·
Undergrad Definitions of few physics terms
- Micko
- · Replies 1 ·
Graduate Does Time Exist in a Closed System?
- Bomber
- · Replies 23 ·
Graduate Didaktikogenic Physics Misconceptions
- yenchin
- · Replies 1 ·
Graduate Creating an Ethical Code of Conduct for Physics Professionals
- Pioneer1
- · Replies 27 ·
Graduate Is it possible for a stable system
- bill nye scienceguy!
- · Replies 15 ·
Undergrad Poiseullie's Equation experiment
- Puppyraiser8
- · Replies 4 ·
Undergrad Keeping Worms Warm in Upstate NY Without Electricity
- JPL
- · Replies 4 ·
Undergrad What are the fundamentals in today's science?
- wolram
- · Replies 1 ·
Undergrad What Determines Color at the Molecular Level?
- Mephisto
- · Replies 5 ·
Undergrad Why would dust be attracted to a CD wiped with a dry cloth?
- kdkovach
- · Replies 2 ·
Undergrad Why can't we determine the pitch of engine noise?
- NoiseQuestion
- · Replies 16 ·
Can coal be as clean as other fuels?
- jwhf777
- · Replies 49 ·
Graduate Surfer dude creates unified theory
- fourier jr
- · Replies 2 ·
Undergrad Can someone explain how plucking a guitar string produces multiple harmonics?
- BigMacnFries
- · Replies 3 ·
High School Calculating Percent Error When Accepted Value is 0
- whale
- · Replies 3 ·
Graduate What is the exact formula for calculating bubble resonance frequencies?
- Regger
- · Replies 5 ·
High School Revolutionizing Music Sharing: A New Type of Headphones for Unborn Babies
- redcass
- · Replies 1 ·
Graduate How do electromagnetic waves form the diversity of matter in the universe?
- baywax
- · Replies 25 ·
Has Ball Lightning Ever Caused Notable Damage?
- wolram
- · Replies 43 ·
High School Why are physics homework questions focused on algebra instead of concepts?
- Feldoh
- · Replies 9 ·
Graduate Aether particles in physics: debunked or debated?
- The Mastadon
- · Replies 1 ·
High School What calculators are allowed on the GRE physics exam?
- Bill Foster
- · Replies 6 ·
Undergrad Why Does Whiskey and Water Swap Despite Being Miscible?
- In_Development
- · Replies 2 ·
Graduate The Origin of Time and Its Relationship with Entropy
- Sorry!
- · Replies 23 ·
DIY Vacuuming at Home - 75+% Efficiency
- Anekdot
- · Replies 13 ·
High School Global warming investigatory project
- chareeh
- · Replies 1 ·
Undergrad Help writing my physics university personal statement
- Lavace
- · Replies 6 ·
Graduate In the literature, I occassionally see something like this:
- touqra
- · Replies 1 ·
News Where are the lengthons or the spacions?
- Phred101.2
- · Replies 8 ·
Found this little atrocity on ZDnet
- Curious3141
- · Replies 1 ·
Undergrad What Is the Physics Behind True UFOs?
- Joza
- · Replies 2 ·
Graduate Is Zero-Point Energy Fact or Pseudoscience?
- GTrax
- · Replies 6 ·
High School What other liquids are non-conductive besides vegetable and mineral oil?
- ValiumMm
- · Replies 9 ·
Graduate Heisenberg incertitude principe ? contradicting ?
- JPC
- · Replies 30 ·
Undergrad Finding Source of Image: Concentric Rings, Torus, Plusses/Minuses
- T.S.
- · Replies 1 ·
Graduate Do fundamental particles have to be pointlike?
- madness
- · Replies 110 ·
Undergrad Ideas for physics simulations to put on my website
- Caspian
- · Replies 4 ·
Undergrad What is width of distribution in error analysis?
- Punky
- · Replies 4 ·
Undergrad Where to best increase efficiency?
- Loren Booda
- · Replies 5 ·
High School Does a smaller or larger pool cue tip generate more spin?
- adr147
- · Replies 67 ·
- Poll
Graduate Should fundamental physics models include self-correction mechanisms?
- Fra
- · Replies 41 ·
High School New to astrophysics, looking to connect with others interested in science
- ScienceGurl
- · Replies 18 ·
High School Why does a diamond blade wear down if diamond is so hard?
- lolbombs
- · Replies 4 ·
High School How does the Homopolar Motor Work?
- -RA-
- · Replies 12 ·
Shocking Theory: Light Bulbs Suck Dark In
- BosonJaw
- · Replies 3 ·
Does a light source actually suck up darkness, or is this nonsense?
- BosonJaw
- · Replies 2 ·
Graduate How to Start Making a New Physics Theory?
- Urvabara
- · Replies 10 ·
Undergrad How are the second and meter physically realized in practice?
- LeoYard
- · Replies 3 ·
Undergrad What Are Degrees of Freedom and Why Do They Matter?
- cks
- · Replies 9 ·
High School How to Calculate Percent Error in Measurements
- Joza
- · Replies 3 ·
High School The speed of sound in nothing but a suit
- Ivan Seeking
- · Replies 22 ·
Graduate Adrian’s Game of Bagatelle (named after its creator - AJ)
- BanjoPaterson
- · Replies 9 ·
The Impact of Vibration on Human Health
- shojooon
- · Replies 5 ·