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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.
Undergrad Algebraic Physics to Calculus based
  • wraiine
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Undergrad Energy weapons: reality and fiction
  • Vytautas
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Graduate Non linear properties of Metamaterials
  • Sana5643
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Undergrad Average Deviation: Summing Positive & Negative Values
  • dami
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8
Undergrad Synchronization vs. Resonance: What's the Difference?
  • Apteronotus
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High School Where do all these formulas really come from?
  • Gersty
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High School Interesting studies of sound called 'Cymatics'.
  • CmWhitten
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Undergrad Identifying resonant frequencies in various objects
  • Fred Austere
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Have You Ever Experienced the 'Lighter' Feeling of Spent Batteries?
  • Mu naught
  • · Replies 31 ·
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Name That Physicist: 70 of World's Most Famous Faces
  • rhody
  • · Replies 26 ·
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Undergrad Relation between presion wave and displacement wave
  • JUTHEMIST
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Undergrad Standing wave detection using a microphone
  • SFB
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8
Should I Attend Hawking's Lecture on the Grand Design?
  • nonequilibrium
  • · Replies 11 ·
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High School Harmful Levels of Magnetic field exposer?
  • W3pcq
  • · Replies 32 ·
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Undergrad Is the concept of attractive and repelling fields a reliable law of physics?
  • TheRealTL
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My Conversation with Cleverbot on Physics and Halloween
  • Borg
  • · Replies 61 ·
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High School Why Do Wet Clothes Appear Brighter or Darker in Color?
  • ashwaninair
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Graduate Solving a Difficult Math Problem
  • alexmarison
  • · Replies 5 ·
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5
Graduate Max Planck & Einstein: 1905 Paper on Energy Quantization
  • hankaaron
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Graduate In order to develop the right language?
  • choffan
  • · Replies 7 ·
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7
Undergrad Is There a Relationship Between the Golden Ratio and Physics?
  • kant
  • · Replies 11 ·
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11
High School Modern Physicists: Late 1800s - Present Suggestions
  • AaronGaTech
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High School What is the incompressible fluid?
  • Piper ryu
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Does Energy Exist? | Answer Here
  • Flabbyflab
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Counting Seconds to Estimate Storm Distance
  • Jimmy Snyder
  • · Replies 5 ·
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5
Graduate Is it common to have dimensionally wrong equations in physics?
  • Pierre_S
  • · Replies 7 ·
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7
What Is This Mysterious Physics Equipment?
  • badteddy
  • · Replies 10 ·
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10
Graduate Ball lightning = magn. induced phosphenes?
  • pftest
  • · Replies 8 ·
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8
Graduate Why I like spheres and how things may tend to look like them
  • Fuzzystuff
  • · Replies 8 ·
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8
Is there a science called BioGeometry and what is it about?I have
  • emanaly
  • · Replies 1 ·
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Graduate Shut Up and Calculate: Exploring Feynman's Ideas on Physics
  • curiousphoton
  • · Replies 107 ·
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High School Help Union Labor at Convention Center
  • yvonnes
  • · Replies 6 ·
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6
High School If you scratch a piece of metal, does it weigh more?
  • Curl
  • · Replies 25 ·
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25
What Is the Typical Educational Background of Readers Here?
  • Biologik
  • · Replies 6 ·
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6
High School Does a full 3TB hard drive weigh more than an empty one?
  • saln1
  • · Replies 74 ·
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Undergrad Is the time average of a sin function = 0?
  • ani4physics
  • · Replies 4 ·
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Learn English & Physics - Question from an Egyptian
  • hager mahdy
  • · Replies 9 ·
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9
Is Matter Really Composed of Pixels?
  • dare05
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3
Undergrad Is my physics course following acceptable standards?
  • madah12
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4
Undergrad KG and SEC as the basis of all units?
  • Curl
  • · Replies 22 ·
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Undergrad Calculating young's modulus from data provided
  • flyingbird
  • · Replies 5 ·
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5
Undergrad Why Does Physics Use 1/e for 'Lifetimes'?
  • vasel
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Graduate Is Negative Matter the Same as Antimatter?
  • Gear300
  • · Replies 20 ·
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Graduate Capillary force when immersed in liquid
  • sir_manning
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Undergrad Physical significance of wavenumber
  • pallavi12
  • · Replies 1 ·
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High School I would link to know about tide force and manetic force
  • YOOKUNG
  • · Replies 4 ·
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Graduate Is it possible to conserve gravity ?
  • ANTBLE989
  • · Replies 5 ·
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High School What Does Standard Mean in SCCM Gas Flow Rate?
  • Ravian
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Graduate What Happens When Fundamental Physical Quantities Go Negative?
  • Secret
  • · Replies 18 ·
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High School Human Antenna: Improving Poor FM Reception in Hilly Locations
  • jnorman
  • · Replies 5 ·
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Lecture Notes - Introduction to GR
  • go quantum!
  • · Replies 10 ·
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  • Poll Poll
Undergrad Is an Ion Bomb a Real Possibility or Just Technobabble?
  • Kalrag
  • · Replies 6 ·
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Undergrad Are there really only 4 grains of salt in the entire universe?
  • Ilikedogs
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High School Why does wet cloth or mud appear darker?
  • vin300
  • · Replies 3 ·
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Two questions about school buses
  • davetheant
  • · Replies 6 ·
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6
Undergrad RGB Color Comparison: Find Closest Matching Color
  • DavidSnider
  • · Replies 10 ·
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Can Information be Transformed into Energy?
  • wenyang
  • · Replies 1 ·
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High School How Can a Beginner Start Learning Physics Independently?
  • ryanlikealion
  • · Replies 11 ·
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News Physics and social/economic problems
  • robheus
  • · Replies 10 ·
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Graduate Does Schrodinger's cat know whether it's dead?
  • transcend_all
  • · Replies 73 ·
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High School What Are Engaging Physics Research Topics for High School Projects?
  • z-component
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High School Welding & Blue Light: Is Nitrogen the Cause?
  • cragar
  • · Replies 8 ·
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Graduate Peer Review: Time Mechanics Unification Theory
  • TheNerf
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High School Why does stainless steel float when coated with wax?
  • hcho88
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High School Does Gravity Between Smaller Objects Get Blocked by a Larger Object?
  • jonathanplumb
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Undergrad Finding the mass of earths troposphere
  • zeromodz
  • · Replies 6 ·
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High School Getting graph of v(t) on oscilloscope?
  • seto6
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Graduate The possibility of Perception being a dimension?
  • Alejaka
  • · Replies 7 ·
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Graduate Is There One Equation That Can Explain All of Physics?
  • ffleming7
  • · Replies 15 ·
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High School Brand new physics animation site
  • meteorologist1
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Where to Buy Inexpensive Force Sensors?
  • kwells
  • · Replies 3 ·
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Graduate Why Does a 26mm Port Improve CO2 Diffusion in Cell Culture Vessels?
  • soe236
  • · Replies 1 ·
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Graduate Are there any people actively doing research in MHD topics these days?
  • rhombusjr
  • · Replies 1 ·
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High School Oil shortens lifespan of halogen bulbs?
  • DaveC426913
  • · Replies 5 ·
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High School What Are the Discontinuous Processes Found in Nature?
  • acherentia
  • · Replies 9 ·
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Undergrad Math and Physics Visualization Applets
  • neutrino
  • · Replies 6 ·
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Undergrad I want to believe that it is true
  • resurgance2001
  • · Replies 18 ·
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High School Is Breaking the Speed of Light Possible?
  • encorp
  • · Replies 9 ·
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9
High School FM vs AM: Which Radio Wavelength Is Bigger?
  • seto6
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Undergrad 2D surfaces in the third dimension?
  • MBakke
  • · Replies 2 ·
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2
How do you pronounce these scientists' names?
  • Blue_Jaunte
  • · Replies 21 ·
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What is the Intrinsic Field in Watchmen and How Does it Affect the Characters?
  • Frannas
  • · Replies 2 ·
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Troubleshooting: How to Remove a Stuck Pan from a Pressure Cooker
  • fkasmani
  • · Replies 42 ·
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High School How do you properly pronounce subscripts in physics equations?
  • wrongusername
  • · Replies 27 ·
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High School Applications of Resonance in Real Life, Example?
  • KhangChuan
  • · Replies 25 ·
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High School Good old fashion beer drinkin' physics help settle the bet
  • watt_clinton
  • · Replies 12 ·
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High School Q:Why is the direction designated by S22°30′E not commonly used in the US?
  • jackson6612
  • · Replies 9 ·
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Graduate Making sense of observer participation in physics
  • ConradDJ
  • · Replies 40 ·
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Undergrad Why Does Hydrogen Have Multiple Lines on Its Spectrum?
  • cnidocyte
  • · Replies 5 ·
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Nearest & Farthest Points on Mars to Earth
  • yaseen shah
  • · Replies 2 ·
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Undergrad What does the w in this equation stand for?
  • mapa
  • · Replies 1 ·
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Undergrad Can Sound Waves Make Objects Hover?
  • kaffe
  • · Replies 3 ·
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High School Time Behavior: Sinus, Circle, Periodic & Non-Periodic Forms
  • alistair9970
  • · Replies 2 ·
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Does anyone else ever go in and out of liking physics?
  • The riddler
  • · Replies 3 ·
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High School Question on solary cell etc very simple
  • seto6
  • · Replies 4 ·
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High School Why read bottom/top of menicsus?
  • quantum123
  • · Replies 4 ·
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High School Can a simple fan create a vortex without a screen obstruction?
  • wil3
  • · Replies 9 ·
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Undergrad A science project about Antigravity
  • NGC 6751
  • · Replies 15 ·
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High School What Is the Standard Unit for Measuring Momentum?
  • AJ Bentley
  • · Replies 9 ·
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9
Undergrad Diving in Dense Liquids: Understanding the Risks and Dangers
  • SpringPhysics
  • · Replies 3 ·
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