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
Undergrad Difference between differentiation and partial differentiation
- spidey
- · Replies 2 ·
Undergrad How do bubble rings form in water?
- ManDay
- · Replies 3 ·
Graduate What is Quench Management for Magnetism?
- neorich
- · Replies 2 ·
Science education video's at Youtube
- peetvanschalk
- · Replies 2 ·
Undergrad Please help me for a calculation why my value different from that of literature?
- shojean
- · Replies 2 ·
High School Atom Rubbing Sounds: Wood vs Glass
- Drbazz
- · Replies 5 ·
Undergrad Is a Verified Theory Considered Scientific Fact?
- Drbazz
- · Replies 2 ·
Graduate What has changed in physics since the beginning of PF?
- tribdog
- · Replies 6 ·
High School Could the LHC Really Create Earth-Eating Black Holes?
- Mk
- · Replies 12 ·
Undergrad What causes the noise in squeaky toys?
- MissWho
- · Replies 2 ·
High School Understanding 'Traverse' in Physics for High School Juniors
- zm500
- · Replies 1 ·
Why does mixing Coca-Cola and Crown Royal cause eruptions?
- bookred
- · Replies 1 ·
Graduate Basis of the Copenhagen Interpretation
- esvion
- · Replies 7 ·
Undergrad How do air molecules interact with supersonic objects in kinetic molecular theory?
- gaming_addict
- · Replies 3 ·
Undergrad What physics holds a soap bubble together and makes it last longer?
- Zainster14
- · Replies 2 ·
Lighting water on fire? I don't think so.
- Cowtipper
- · Replies 5 ·
High School When do significant digits matter in science?
- cam875
- · Replies 2 ·
News American Physical Society on climate change
- Andre
- · Replies 51 ·
Graduate Is Time Absolute and Does Its Existence Depend on Photons?
- mkbh_10
- · Replies 17 ·
High School Shower and curtain effect, what's happening?
- Tclack
- · Replies 10 ·
High School Tutorial for the nanotechnologies
- Woozya
- · Replies 4 ·
Graduate Is it possible to control the illuminance of atoms?
- AlanArqueza
- · Replies 1 ·
Undergrad Can a colorimeter prove a faint color isn't actually blue?
- goku
- · Replies 1 ·
Searching for DaveC's Square-Cube Law: 30 Seconds at a Time!
- Cyrus
- · Replies 9 ·
High School Could Giant Movie Fans Stop a Hurricane?
- tribdog
- · Replies 13 ·
High School Which equation for parabola coordinates
- Husker70
- · Replies 1 ·
High School Does it matter if I turn my computer off?
- zacharyr
- · Replies 32 ·
Graduate Shannon's measure - any profound explanation?
- saviourmachine
- · Replies 3 ·
High School Action Scenes in movies that depict projectile motion?
- crhscoog
- · Replies 9 ·
High School Could humans survive weeks of severe cosmic storms?
- wolram
- · Replies 3 ·
Undergrad Europe is the center of physics now?
- Coin
- · Replies 6 ·
Graduate Is Quantum Mechanics Deterministic or Is There an Element of Randomness?
- Nick R
- · Replies 8 ·
Undergrad Can we capture Earth's reflected light from far away to see the past?
- Tachyon son
- · Replies 14 ·
Why Is Maxwell Less Recognized Than Other Famous Scientists?
- itrunsdeep
- · Replies 7 ·
Watch LHC Launch Tonight on TV in US with FTA Dish
- hamster143
- · Replies 14 ·
What is the Terminal Velocity of Cats?
- Legion81
- · Replies 8 ·
Graduate Is matter just a configuration of electromagnetic fields?
- Poita
- · Replies 13 ·
High School Is air a conductor or insulator? Does humidity matter?
- AHobo
- · Replies 2 ·
Cat with buttered toast spinning forever
- tribdog
- · Replies 13 ·
Graduate What is energy fundamentally?
- The thinker
- · Replies 11 ·
Undergrad How do you determine the total error in a measurement of flow rate?
- Topher925
- · Replies 8 ·
Graduate Comparing public interest in background-independent quantum gravity books
- marcus
- · Replies 2 ·
What are the Aesthetics of Physics?
- Pythagorean
- · Replies 2 ·
Undergrad In a cavity 12.5 cm by 3.9 cm, with Y being 12.5 cm and X/Z being 3.9,
- echoaa23
- · Replies 1 ·
Graduate What Does a Formal Proof in Physics Look Like?
- evagelos
- · Replies 36 ·
Undergrad Relationship between density and elastisity
- soandos
- · Replies 15 ·
200 Physics Vector Animations or Flash Files
- parsa_n1
- · Replies 4 ·
IP topic is badly needed here.
- frenztoy
- · Replies 2 ·
Undergrad What Are Standing Waves and How Do Their Amplitudes Relate to Intensity?
- GAGS
- · Replies 5 ·
Graduate The decrease of the information v.s. chaos ?
- xylai
- · Replies 3 ·
High School Converting Earth's radius to circumference in kilometers
- Darkhrse99
- · Replies 4 ·
Graduate How to Calculate the Total Mass of Earth's Atmosphere Using Physics Modelling?
- Spoony
- · Replies 2 ·
Graduate What is gravity actually?
- Seph83
- · Replies 77 ·
Undergrad Is Energy Truly Eternal and Infinite?
- throng
- · Replies 5 ·
High School Mathematics and physics in table tennis
- kmikias
- · Replies 2 ·
Undergrad Can We Quantify the Energy Released by Hurricanes?
- dimensionless
- · Replies 3 ·
Graduate What is the difference between degree and level of order?
- eranb2
- · Replies 3 ·
Undergrad Links to Physics and Maths Olympiads
- Phizyk
- · Replies 2 ·
Undergrad What Are the Ideal Proportions for a Cylinder to Act as a Three-Sided Die?
- Helios
- · Replies 1 ·
High School Are vectors time-related?
- ValenceE
- · Replies 8 ·
High School Why is CERN better known than ITER?
- alexgmcm
- · Replies 34 ·
Bell Labs Kills Fundamental Physics Research
- RetardedBastard
- · Replies 15 ·
High School Why does thunder last for so long?
- tribdog
- · Replies 14 ·
High School How Can I Use LaTeX Notation to Write Equations on This Site?
- casanova2528
- · Replies 1 ·
High School Newton's third law and rocket propulsion
- eratosthenes2
- · Replies 25 ·
Undergrad Lumped v. distributed parameter
- Cyrus
- · Replies 2 ·
High School Wavelength and amplitude. Are they related?
- sameeralord
- · Replies 18 ·
Graduate Don't understand material derivative and and advective derivative
- cks
- · Replies 5 ·
High School How do we do uncertainty questions in measurements and data analysis in Excel?
- Drooling
- · Replies 1 ·
High School Dr. Bruce DePalma's Spinning Ball Anomaly: Fact or Fiction?
- Azael
- · Replies 3 ·
High School Questions of Latitude: Can You See the Back of Your Head?
- Ulnarian
- · Replies 2 ·
Undergrad What is the maximum CFM through a pipe in the rock drilling industry?
- tc114
- · Replies 5 ·
Graduate Everything can be broken down to a digital signal.
- Cale Carter
- · Replies 5 ·
High School Calculating doubling time in exponential growth
- hackit
- · Replies 1 ·
Physics for Future Presidents book
- Math Is Hard
- · Replies 11 ·
Graduate Is hydrogen-helium fusion in this claim viable or crackpot?
- nicksauce
- · Replies 1 ·
Graduate Does decoherence really solve the measurement problem?
- Coldcall
- · Replies 131 ·
When Will We See Results from the Large Hadron Collider's Latest Experiments?
- Daniel Y.
- · Replies 19 ·
Graduate Null Physics: A Paradigm Shift in Modern Science?
- scienceteacher
- · Replies 2 ·
Graduate When Are Time-Dependent Fitted Parameters Statistically Distinct?
- NoobixCube
- · Replies 2 ·
High School How to tell which ball is gold and which is titanium without measuring
- Sakha
- · Replies 59 ·
High School Things that take your breath away
- kenewbie
- · Replies 9 ·
Separating salt and pepper without physical contact
- some_one
- · Replies 31 ·
Can Ping-Pong Balls Revolutionize Particle Acceleration?
- LowlyPion
- · Replies 4 ·
Undergrad Communicating with an alien race
- spiffomatic64
- · Replies 22 ·
Amazing slo-mo of lightning strike.
- turbo
- · Replies 20 ·
LHC first beam (end of world) time announced
- neu
- · Replies 5 ·
Which Country Leads in Physics Forum Interest?
- rootX
- · Replies 5 ·
Undergrad Kardashev Scale: Size vs Energy Output
- Arian
- · Replies 9 ·
High School Complete noob , got many questions
- gamernaveen
- · Replies 4 ·
Graduate How Can Gravity and Diffusion Be Modeled in a Two-Gas System?
- bemortu
- · Replies 1 ·
High School What Do These Weird Physics Symbols Mean?
- zoobyshoe
- · Replies 10 ·
High School Can the Rubik's Cube be Solved in a Disco?
- Firecoe
- · Replies 12 ·
Graduate Questions on Light - Is it Even Possible?
- epkid08
- · Replies 24 ·
High School Eric Laithwaite Gyroscopic antigravity.
- chayced
- · Replies 5 ·
How Does a Rap Battle Incorporate Physics at CERN's LHC?
- Micha
- · Replies 6 ·
Graduate Introduction to Computational Physics
- Greg Bernhardt
- · Replies 1 ·
High School Is Energy Simply a Description of Position or Change?
- jefswat
- · Replies 14 ·
High School Why does multiplying mass and acceleration produce force?
- deep_tought_e
- · Replies 19 ·