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
Can Candles Really Power Light Bulbs?
- -Mockery-
- · Replies 1 ·
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 ·
Holographic display technology and materials
- germacran
- · Replies 2 ·
Graduate Electric universe theory and plasma cosmology claims
- 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 ·
NOVA on the science of samurai sword making
- Evo
- · Replies 24 ·
Giant magnetoresistance Nobel Prize winners
- 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 Can observation really change particle behavior?
- 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 What do cosmologists currently believe about how the universe began?
- 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 Doppler shift depend on whether source or detector moves?
- Charlie X
- · Replies 12 ·
Legal ways to generate free electricity from radio broadcasts
- 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 What are interesting applied research topics in physics, math, and engineering?
- gmchamp2007
- · Replies 2 ·
International prototype kilogram losing mass over time
- 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 Why does bending a plastic cup cause a white patch to form?
- Mephisto
- · Replies 2 ·
Getting stuck on icy mountain roads in winter
- Moonbear
- · Replies 30 ·
Graduate Can charge separate in space to form electrical currents?
- ZeuZ
- · Replies 1 ·
Undergrad Learning integration with 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 ·
Finding a password: what sums all particles and energy?
- 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 ·
Strangest known exoplanets
- fourier jr
- · Replies 3 ·
How can you tell the difference between a raw and boiled egg?
- friends4ever
- · Replies 4 ·
Graduate Why does fluid behave this way in polygon-shaped vortices?
- CaptainBarbosa
- · Replies 3 ·
High School Why do leaves group at the edges of a pool?
- 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 How much energy is contained in a set volume of space?
- 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 Converting French decimal seconds to standard 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 How to measure wind-generated wave properties with a household setup
- 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 detected pulsars before Jocelyn Bell Burnell
- neutrino
- · Replies 2 ·
High School How to mesure very small change in distance?
- memeplus
- · Replies 14 ·
Graduate Can game theory explain subatomic particle behaviour?
- ron_jay
- · Replies 3 ·
'Great Show': Perseid Meteor Shower Peaks Sunday Night
- Evo
- · Replies 7 ·
Do comic books ever describe real physics?
- GammaBurst
- · Replies 2 ·
Graduate Does the Movement of Flagella Contradict Bernoulli's Principle?
- Simfish
- · Replies 1 ·
Graduate Are we 2D surfaces expanding in a 4D sphere?
- 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 Does Earth lose matter when we bring things back from space?
- melz_9
- · Replies 21 ·
When did you first call yourself a physicist?
- 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 Why is vacuum measured from 0 to -1 bar relative to atmospheric pressure?
- Micko
- · Replies 1 ·