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 Why is Snow White Instead of Clear Like Ice?
- pivoxa15
- · Replies 24 ·
Undergrad Solve the World's Energy Needs? Any Non-Fusion Possibilities?
- dimensionless
- · Replies 44 ·
High School What Does Diurnalised Refer to in Statistics?
- rwinston
- · Replies 1 ·
High School Does anybody know where to get Converging lens ?
- nblu
- · Replies 9 ·
I want help about hologragh screen
- germacran
- · Replies 2 ·
Graduate Plasma Cosmology & Electric Universe: Claims & Evidence
- wolram
- · Replies 3 ·
Undergrad Improving problem solving skills?
- audreyh
- · Replies 5 ·
High School Geting the mass of a karate punch.
- LuckyCharms145
- · Replies 2 ·
Graduate What is the null point for calibrating an instrument in deep space?
- wolram
- · Replies 4 ·
What is the Science Behind the Samurai Sword?
- Evo
- · Replies 24 ·
Who Won the Nobel Prize for Discovering Giant Magnetoresistance?
- EL
- · Replies 8 ·
Undergrad Understanding Intrinsic Sensor Error
- mahannan
- · Replies 2 ·
High School Where Can I Find a Simple Hall Probe for Measuring Magnetic Fields?
- dfx
- · Replies 12 ·
High School Plasma from a grape in a microwave
- -RA-
- · Replies 3 ·
High School I need your help to prove this wrong.
- USername_s
- · Replies 11 ·
Undergrad Calculate Earth's Age: Physics Method w/ College AP Physics
- Skynt
- · Replies 5 ·
Graduate Is the Speed of Light Being Surpassed by Solid Matter?
- thumper11
- · Replies 18 ·
Undergrad Can Kirchoff's Law Solve a Core 2 Duo Equivalent Problem?
- neutrino
- · Replies 13 ·
Are white clothes better than black clothes in summer?
- JimmyJockstrap
- · Replies 3 ·
High School Can a Sun Dog Appear Without Clouds?
- Jimmy Snyder
- · Replies 5 ·
Random Thoughts On Dissappearing Planets
- Ulnarian
- · Replies 10 ·
High School More than two terminals on cell phone battery
- jackson6612
- · Replies 3 ·
Undergrad Intermolecular-forces and droplet coalescence
- Ahmed Abdullah
- · Replies 3 ·
Graduate Unveiling the Universe: A Quest for Answers
- easyrider
- · Replies 11 ·
Undergrad Determining Resonance of Rods for a Given Frequency
- Oblio
- · Replies 1 ·
Graduate Consciousness and the measurement problem
- Viva-Diva
- · Replies 4 ·
Undergrad Why Does the Doppler Effect Differ for Moving Source and Detector?
- Charlie X
- · Replies 12 ·
How Can You Legally Obtain Free Electricity?
- rcgldr
- · Replies 49 ·
High School What Is the Scientific Definition of Matter?
- swerdna
- · Replies 20 ·
Graduate The Possibility of Slowing Time: Is Time Really Real?
- dorohn
- · Replies 4 ·
What Do Physicists Do Daily?
- oedipa maas
- · Replies 5 ·
Graduate Mathematics Behind Grand Piano String Selections
- mileman
- · Replies 3 ·
High School Suspension Bridges: What is the Shape Called?
- ehrenfest
- · Replies 4 ·
Graduate Research Topics in Physics, Math & Engineering
- gmchamp2007
- · Replies 2 ·
Kilo prototype mysteriously loses weight
- ZapperZ
- · Replies 38 ·
Undergrad Douglas Adams May Have Had It Right
- Questman
- · Replies 3 ·
Can Humming in a Bathroom Stall Cause Resonance?
- sammyb787
- · Replies 6 ·
Graduate What Determines the Dependence of Dipole-Dipole Interactions on Distance?
- LeoYard
- · Replies 6 ·
High School Finding Tennis Racquet String Tension
- anirudhreddy
- · Replies 6 ·
Undergrad Spherical co-ord notation
- nicksauce
- · Replies 4 ·
Undergrad What Happens When You Bend a Plastic Cup?
- Mephisto
- · Replies 2 ·
The Physics of Winter Driving: How to Handle Snow and Ice on the Road
- Moonbear
- · Replies 30 ·
Graduate Is the Birkeland Current Theory the Key to Understanding Electricity in Space?
- ZeuZ
- · Replies 1 ·
Undergrad Books & Websites for Learning Integration of Classical Mechanics
- Oblio
- · Replies 2 ·
Undergrad Thermonuclear device to destroy hurricanes
- Traveler
- · Replies 2 ·
Graduate Analytical and Physical Separation Below the Mesoscopic Scale
- Q_Goest
- · Replies 23 ·
What is the password related to particles and energy in this puzzle?
- needananswer
- · Replies 12 ·
High School Good free program for creating scientific documents?
- Signifier
- · Replies 7 ·
Egg Protector for Bottle Rocket: Non-Metal Solutions
- tjd92295
- · Replies 3 ·
Graduate String Theory Papers: Published Faster Than Light?
- neutrino
- · Replies 3 ·
Undergrad Can We Truly See the Structures of Compounds in Chemistry and Physics?
- lewis198
- · Replies 2 ·
Top 10 Exoplanets: Unbelievable Discoveries
- fourier jr
- · Replies 3 ·
How can you tell the difference between a raw and boiled egg?
- friends4ever
- · Replies 4 ·
Graduate Discover the Mysterious Behavior of Fluid in Polygon Shaped Vortices | Phys.org
- CaptainBarbosa
- · Replies 3 ·
High School Formation of 'Leaf Lines' in Pools: Causes & Solutions
- katiecat486
- · Replies 2 ·
High School Can someone explain what's happedning here? Fire and Music
- Raza
- · Replies 2 ·
High School Are intermolecular and van der waals forces the same?
- shamstar
- · Replies 7 ·
High School Accepted value of G with longitude
- B-80
- · Replies 6 ·
Undergrad Measuring Accuracy: Quantitative or Qualitative?
- mahannan
- · Replies 1 ·
Undergrad Calculate Energy in Space - A Guide
- wolram
- · Replies 1 ·
High School Why do ice cubes form strange icicles on top when frozen?
- JabberWalkie
- · Replies 8 ·
Maths And Physics Tutorials for High School and Undergrad.
- qspeechc
- · Replies 2 ·
What Are the Unsolved Problems in Physics?
- vatlilithuyetvietnam
- · Replies 2 ·
How do water behave with no gravity - video
- fargoth
- · Replies 11 ·
Undergrad When you touch something there isn't really any physical contact
- Oblef
- · Replies 20 ·
Graduate Was Mach's Principle Correct All Along?
- oldman
- · Replies 8 ·
Junior at the Naval Academy, physics major
- noranne
- · Replies 12 ·
High School I need quick help with french and decimal seconds
- kevinf
- · Replies 1 ·
High School Measuring dB Level: Receiver or Field Strength Meter?
- keetat
- · Replies 6 ·
High School Making a Long Distance Tin Can Telephone
- Office_Shredder
- · Replies 23 ·
High School Measuring Wind-Generated Waves: Ideas for Experimentation
- mck
- · Replies 12 ·
- Poll
High School Which is more elegant in physical analysis, Calculus or Algebra?
- Dbjergaard
- · Replies 5 ·
Undergrad Investigate how gravity varies over the earth's surface
- Michaelcarson11
- · Replies 8 ·
Undergrad Understand the mechanism of capillarity
- Ahmed Abdullah
- · Replies 6 ·
Graduate Plagiarism Scandal in Gravitational Physics Research
- pervect
- · Replies 5 ·
High School What does energy really mean in the real world?
- Frankww
- · Replies 4 ·
Graduate Is Gravity Merely a Manifestation of Atomic Expansion?
- reidh
- · Replies 6 ·
USAF 'discovered' pulsars long before Bell Burnell
- neutrino
- · Replies 2 ·
High School How to mesure very small change in distance?
- memeplus
- · Replies 14 ·
Graduate Game Theory & Life: Neumann, Nash & Beyond
- ron_jay
- · Replies 3 ·
'Great Show': Perseid Meteor Shower Peaks Sunday Night
- Evo
- · Replies 7 ·
Can Comic Books Inspire Real Scientific Discoveries?
- GammaBurst
- · Replies 2 ·
Graduate Does the Movement of Flagella Contradict Bernoulli's Principle?
- Simfish
- · Replies 1 ·
Graduate What is the true nature of our expanding universe?
- Physics-Learner
- · Replies 53 ·
Graduate The nature of time. Which books to read?
- Robert100
- · Replies 40 ·
Graduate Interrupting a standing wave at a node
- Zorodius
- · Replies 7 ·
Graduate Time travel discussion with Ron Mallet tonight
- Ivan Seeking
- · Replies 4 ·
High School Jake Brown @ X-Games 13 45 Foot Fall
- rookandpawn
- · Replies 14 ·
High School Do Movies Misrepresent Science as Fact?
- siddharth
- · Replies 80 ·
High School The Cycle of Life on Earth: Is Everything We Need Already Here?
- melz_9
- · Replies 21 ·
Transitioning to Physicist: Tales of Occupation and Immigration
- oedipa maas
- · Replies 20 ·
Can time really be measured accurately with just 15 minutes per minute?
- Jimmy Snyder
- · Replies 4 ·
Graduate Can quantum mechanics be derived from fundamental concepts?
- Rade
- · Replies 27 ·
Graduate A fake word from The Simpsons made it into a String paper
- ZapperZ
- · Replies 18 ·
Undergrad Why do clouds have flat bottoms?
- DaveC426913
- · Replies 24 ·
Undergrad How to make a Black and White television show color
- Ivan Seeking
- · Replies 5 ·
Undergrad Elementary number theory in physics?
- pivoxa15
- · Replies 2 ·
High School Drawing illustrations (schemes) for Physics problems
- alex61
- · Replies 7 ·
High School Question about vacuum and vacuum meter
- Micko
- · Replies 1 ·
Where Can I Find an Animation of Nitrogen/Helium Liquifaction?
- avinash1968
- · Replies 2 ·