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 Any Website on daily physics phenomenon?
- Aladin
- · Replies 3 ·
Graduate Getting relative amplitudes from FFT for sine wave resynthesis
- max_planck735
- · Replies 3 ·
Graduate Is Energy Conserved by Fundamental Forces in Accelerating Bodies?
- Ratzinger
- · Replies 2 ·
Graduate Questions About Vacuum: Searching for Answers
- AlienUFO
- · Replies 3 ·
High School Is there a limit to how high a mountain can be due to gravity?
- ravachol
- · Replies 3 ·
Who was more important for physics, Newton or Einstein?
- Leon W Zhang
- · Replies 40 ·
Graduate Sensitive dependence on initial conditions
- broegger
- · Replies 5 ·
Undergrad What's our best resolving microscope?
- Chaos' lil bro Order
- · Replies 6 ·
Ten Obscure Factoids Concerning Albert Einstein
- scott1
- · Replies 19 ·
High School Who first conceived the idea of atoms
- THX22
- · Replies 9 ·
Undergrad Does Wave Motion Challenge the Energy-Matter Relationship?
- 3trQN
- · Replies 6 ·
Undergrad Physics of capoeira
- Mt. Nixion
- · Replies 3 ·
Graduate Cold fusion session at an energy conference
- rachmaninoff
- · Replies 3 ·
Source for quotation about science/physics?
- Stephan Hoyer
- · Replies 6 ·
Undergrad Maximum bandwidth of oscilloscope in undergraduate lab
- darkar
- · Replies 2 ·
What does jitter mean in scientific contexts?
- dervast
- · Replies 5 ·
High School Accuracy and sensitivity
- SudanBlack
- · Replies 3 ·
High School Why Does A Wave Move As It Does?
- gsmushet1
- · Replies 12 ·
Berkeley physics archive post unclear
- marcus
- · Replies 21 ·
Posters featuring both Einstein and Bohr together
- rygar
- · Replies 4 ·
Graduate Unusual and catchy physics paper titles
- brahma
- · Replies 4 ·
Interesting facts about antique electrical measuring instruments
- mathlete
- · Replies 4 ·
Graduate Is Time Travel Through Communication with the Past Possible?
- Sneil
- · Replies 4 ·
Defining Gravity - Give it a Rest
- gillwill
- · Replies 13 ·
Graduate What is the cause of sonoluminescence?
- Azael
- · Replies 5 ·
Undergrad What's the longest wavelength possible?
- Chaos' lil bro Order
- · Replies 19 ·
Graduate Lisa Randall on Coast to Coast Sat. 2/25
- Math Is Hard
- · Replies 44 ·
Graduate Can a single atom have a temperature, and how do EM waves affect neutral particles?
- skywolf
- · Replies 7 ·
High School Confusing Osmosis: Why Hot Milk Tastes Like Water
- spiffing_abhijit
- · Replies 2 ·
High School What do symbols in equations mean?
- SimpleHarmonicMotion
- · Replies 4 ·
Graduate Where Can I Find Reliable Information on Warp Drive?
- plum
- · Replies 1 ·
High School Who Said "Shut Up and Calculate"?
- Azael
- · Replies 14 ·
Undergrad Taking five physics classes in one quarter
- franznietzsche
- · Replies 8 ·
Graduate Is QM interpretation a matter of knowledge and probability?
- reilly
- · Replies 61 ·
Undergrad What is the best physics text for self learners?
- Zandorian
- · Replies 1 ·
Request for AJP article on multiple reflection images
- rushil
- · Replies 3 ·
Undergrad Physical change chemical change?
- pivoxa15
- · Replies 6 ·
High School Energy Alternatives to Oil: Perspectives for the Future
- Werg22
- · Replies 3 ·
Undergrad Is Physics Essays Journal Just Full of Crackpot Theories?
- Lewis
- · Replies 7 ·
Undergrad Electrodynamics test scored 8/20 due to time pressure
- siddharth
- · Replies 2 ·
High School Physics of figure skating
- PhysicsFan
- · Replies 6 ·
Have You Ever Experienced an Eye-Opening Experiment?
- heman
- · Replies 11 ·
Undergrad Can Calculus Prove that Walking in a Room Will Eventually Reach the Other Side?
- wunderkind
- · Replies 26 ·
Undergrad Can a Magnet-Powered Wheel Generate Perpetual Energy?
- Gnophos
- · Replies 4 ·
Graduate Is a New Exact Solution to Einstein's Equations Possible?
- Plastic Photon
- · Replies 6 ·
High School Physics Olympiad: what are the award thresholds?
- Dave 007
- · Replies 6 ·
Graduate Is the nature of physics more probabilistic or deterministic?
- Loren Booda
- · Replies 9 ·
Quality physics radio stations or audio lessons
- Tido611
- · Replies 11 ·
Graduate Information on the percolation threshold
- robbo2004
- · Replies 1 ·
High School How do I improve my lab report writing skills?
- darkar
- · Replies 3 ·
High School Can Auroras Produce Audible Sounds?
- Ivan Seeking
- · Replies 20 ·
Can an invisible person see?
- langtu
- · Replies 6 ·
Seven hours of physics classes and lab with no breaks tomorrow
- Gale
- · Replies 12 ·
Graduate Is Physics the Ultimate Authority?
- Wishbone
- · Replies 32 ·
Graduate An antigravity patent that accidentally got through
- ZapperZ
- · Replies 62 ·
High School Need a list on derivatives in Physics
- Noone1982
- · Replies 1 ·
I broke the laws of Physics (and don't know how to put it back)
- Nucleonics
- · Replies 12 ·
Graduate Consciousness as an active part in modern physics
- vanesch
- · Replies 62 ·
Graduate What is emergence and how does it differ from reductionism?
- cscott
- · Replies 2 ·
High School What Does the Equation PV=C(1+i)^n Represent?
- Frizz
- · Replies 11 ·
High School Why is energy considered separate from matter?
- Vayne
- · Replies 18 ·
High School Why I finally enjoy physics and math
- Blahness
- · Replies 13 ·
Undergrad Why do longer wavelengths penetrate buildings better than shorter ones?
- chris4434
- · Replies 5 ·
Undergrad Skills, attitudes and habits developed in introductory quantum mechanics
- raj_vad
- · Replies 12 ·
High school physics and maths help wanted
- dilan
- · Replies 32 ·
Feynman And The Challenger Explosion
- zoobyshoe
- · Replies 5 ·
Graduate Is observability restricted by scale ?
- An Average Joe
- · Replies 1 ·
Undergrad Can Commandos Bypass a Force Field with an EM Emitter in Sci-Fi?
- drcathyc
- · Replies 30 ·
Graduate What Causes Negative Gravitational Force Between Particles?
- matt85
- · Replies 7 ·
I need something to waste time on,
- Blahness
- · Replies 15 ·
Graduate Do physicist's consider themselve's one of instruments in an experiment?
- quantumcarl
- · Replies 18 ·
High School What Are Good Starter Books for Aspiring Astronomers and Physics Enthusiasts?
- MaddenDude
- · Replies 11 ·
Graduate Can Motion Be Defined Beyond Change in Position Over Time?
- Sikz
- · Replies 18 ·
Graduate Ftl - Heim QT based propulsion models
- Atomos
- · Replies 46 ·
Undergrad Why does my Wi-Fi signal weaken upstairs 15 meters from the router?
- runicle
- · Replies 9 ·
Undergrad What Causes the Blue Light in Triboluminescence?
- Redhat
- · Replies 3 ·
High School Pros and cons of the science -physics
- youngscientist
- · Replies 22 ·
High School Why are there no contrails over Guam despite heavy air traffic?
- Mk
- · Replies 7 ·
Graduate Can science claim any unified theories?
- Loren Booda
- · Replies 11 ·
Undergrad What I've seen and learned do not correspond with the members here
- QuantumTheory
- · Replies 9 ·
High School Hearing outside noise while in an encolsed room
- pivoxa15
- · Replies 8 ·
Frustrated with self-taught physics and unsolved problems
- G01
- · Replies 11 ·
Undergrad Physics of coordination and reflexes
- Mt. Nixion
- · Replies 4 ·
High School Meaning of gravity in an intuitive sense?
- jrm2002
- · Replies 5 ·
High School How do taps and vacuum cleaners work with pressure?
- hkhil
- · Replies 16 ·
What happens if you compress a vacuum?
- Wave!
- · Replies 10 ·
Undergrad Physics Experiments for Third Year Students - Bill's Request
- Bill12
- · Replies 1 ·
Undergrad I think popular science is ruining science
- Pengwuino
- · Replies 105 ·
What is the definition of Uphill?
- Averagesupernova
- · Replies 45 ·
High School Struggling to progress beyond popular science books in physics
- FeynmanMH42
- · Replies 34 ·
Undergrad What caused these doppler radar signatures in the photos?
- PIT2
- · Replies 30 ·
Strange behavior of tea leaves in Tea Cup
- physicsman
- · Replies 5 ·
Graduate What would you see if you travel at the speed of light?
- ZapperZ
- · Replies 73 ·
Undergrad Can You See a Dense Patch of Gas?
- pivoxa15
- · Replies 32 ·
Will space travel ever become a safe mode of transportation in the year 2050?
- QuantumTheory
- · Replies 32 ·
Deciding to be an Astronomer at Age 7
- fourier jr
- · Replies 28 ·
Graduate General Relavitiy, P-branes, and time travel.
- QuantumTheory
- · Replies 3 ·
New bike - can't ride no-hands anymore?
- bikeguy
- · Replies 24 ·
High School Flying is impossible, so is timetravel.
- QuantumTheory
- · Replies 66 ·