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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.
Graduate Measurement scales are clearly defined except time.
  • King Wildog
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Storing Energy with This Method? - A Tech Article
  • Stanley514
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Graduate Help a newbie: Causation and my confusion regarding physics
  • Causation
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Undergrad Is C2H4 an Example of SP2 Hybridization?
  • lokobreed
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High School Do Gasses Have Viscosity?
  • TriKri
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High School Young's Modulus: Formula for Calculation
  • phymatter
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High School Unveiling the Beauty of Physics: Beyond Projectiles and Speed
  • f25274
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Graduate Math and Reality. What is the deep connection?
  • rogerl
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Undergrad What Did My Microphone Pick Up?
  • IRL303
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High School How to calculate gravitational constant
  • robertroman10
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High School The definition of pascal confused
  • Femme_physics
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Graduate Amplitude Entrainment: Forum Q&A
  • phanie12.geo
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Undergrad A long nededle verus a short one
  • smott2011
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Graduate Is EPR's Concept of a Complete Description of Physical Reality Possible?
  • Gordon Watson
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Help with Cell Phone Tower questions
  • jlc95010
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9
Undergrad Will CERN Discover New Physics Beyond the Higgs Boson?
  • Calrid
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Undergrad Does time have infinite accuracy?
  • silenzer
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High School The Importance of Units for Zero Values in Physics
  • Hinte
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Funny Physics Photos? Let's Share!
  • Konata
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7
High School What's the Difference Between Two Bottles in a Dark Room?
  • humanbeing
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Biggest recent mistakes in physics or any science.
  • Whalstib
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High School A question about atmosphere layers
  • termina
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Graduate This should be easy Units of log graph?
  • IN88
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Which line is stonger? orange, green or blue?
  • Brown Arrow
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Dau-film about Russian physicist Lev Landau 1908-1968
  • marcus
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Graduate Why is the gradient decreasing in the Blasius equation?
  • johnt447
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High School What does this remark by Einstein mean?
  • arroy_0205
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Graduate Capillary Force in a V shaped tube
  • dpage
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High School Density vs Mass: Which Has Stronger Gravitational Pull?
  • sharan
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High School Mass vs Volume: What is the Difference?
  • humanbeing
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High School Can bomb sitll ignite in vacuum?
  • Chitose
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High School Gravitational Constant (universal)
  • robertroman10
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Undergrad Most Valuable Online/Free Physics Resources
  • procon4
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Graduate Unexplained transient weight gains after death
  • Isaacsname
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Undergrad Understanding Error in Measurement for Simple Pendulum Experiment
  • AStaunton
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High School What happens during a nuclear meltdown?
  • oexnorth
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Undergrad Should popular physics books be banned or come with a disclaimer?
  • ice109
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Undergrad Help Debunking HAARP/Scalar Weapons?
  • Tweet1962
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Undergrad Deriving Graph Relationships from 1/x^2 Plot
  • leon24
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Undergrad How to Convert Error to Standard Deviation?
  • intervoxel
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Undergrad Understanding the Gap in a HCl Absorption Spectrum
  • v_pino
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Undergrad Why do professors rush to publish papers?
  • phrygian
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High School Why does light travel so quickly?
  • russ_watters
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High School Need help with Periodic Motion, Frequency, and Wavelength?
  • ErikIoerger94
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The Mysteries of Gravity: A Must-See Video Guide
  • Forestman
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Graduate Right-Handed and Left-Handed Spin: Just Orientation?
  • liometopum
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High School Andre Geim & Konstantin Novoselov's Graphene Research - Noble Prize 2010
  • RichardParker
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High School Is there a way to test the total impedance of my body?
  • Simfish
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Graduate XFoil Reynolds Number Calculations
  • Thusithatck
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Could a hurricane or tornado have enough energy to create a worm hole
  • Buster66
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Undergrad Define Size of Matrix Piece by Piece in Loop: Mathematica Help
  • brydustin
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Is there a Math forum as good as this Physics forum?
  • Rap
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Undergrad What physics project would you do with $?
  • Galgenstrick
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High School Resonant Frequencies and Natural Frequencies
  • .peter.
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High School What are the differences between a solar cooker and a solar oven?
  • soonsoon88
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Undergrad Marginal Error of Prayer Directions
  • pfssassin
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High School Physical Laws vs Physical Theories
  • ShayanJ
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Undergrad Determine Best Fit Line and Uncertainties Using Min and Max Slope Method
  • joshposhmosh
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Undergrad Long. & Lat. calculation from initial point?
  • whitenight541
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Graduate Individuation as Brute Assumption
  • ZachHerbert
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Undergrad Justifying investment in Cosmology
  • AlexSm11
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Graduate Is the Universe a Fractal Structure Revealing Infinite Scales?
  • cam875
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High School Which Ball Lands First on the Moon?
  • Goongyae
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High School Do People of Different Body Types Have the Same Number of Atoms?
  • corochena
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High School Why Do Gravitational Force Values Vary and How Are They Measured?
  • alyafey22
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High School Can Satellites Really be Made from Iron Salvaged from Old Warships?
  • Andrew1947
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High School Time delay of speech to travel from moon to earth
  • Black Hole
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High School Ideas for a physics based c program?
  • bigfoot100
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Undergrad Why Does a Square Wave Contain Only Odd Harmonics?
  • likephysics
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Old mathematics fonts, names and availability?
  • a2009
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Undergrad Questions about energy and gravity
  • John15
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High School Any ideas for grade 12 Physics project?
  • omgwtfitsp
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[Ortvay International Physics Contest] 2010 results
  • ico1989
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Graduate Correlation Function for a 2-D field
  • Miss_Astro
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Graduate Discover the Intriguing World of 11-D Cube Images | Find Out More!
  • KayEl9
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High School Making New Paper Process and Making Recycled Paper Process
  • soonsoon88
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Why do online Indian physics lectures
  • Pythagorean
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Graduate One fluid forcing another out in a microchannel
  • sir_manning
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Undergrad Inverse Square Law: What & How to Prove It
  • eddybob123
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High School What Aspects of Physics Do Enthusiasts Enjoy Most?
  • saubhik
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Undergrad What does it mean for a bubble to be in equilibrium?
  • Matthollyw00d
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Which Physics Blog Has a Well-Organized Guide to Mathematical Symbols?
  • flyingpig
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High School What does a spectrogram represent?
  • skyisthelimit
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High School What If an Object Suddenly Appeared?
  • Heavan 777
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What is everyone's opinion on Stephen Hawking?
  • mitcho
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Undergrad Closed tube standing wave
  • exaramco
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High School Finding the Hour Angle between 8:00 and 9:00
  • vselvar2
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Amazing water trick? Is this physically possible?
  • kudoushinichi88
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  • Poll Poll
In your opinions, who are the top 10 living Australian physicists?
  • JasonDunning
  • · Replies 6 ·
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Which Rock Guitarist Was Once a Ph.D. Candidate in Astrophysics?
  • George Jones
  • · Replies 23 ·
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Undergrad Find Hamiltonian Value of 4x4 Matrix
  • vinothr
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Graduate Solving Fluid Dynamics Question on Droplet Shape
  • mdergance3
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Undergrad Prerequisites for modern physics
  • neginf
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Discuss Possibilities of Science Fiction Movies
  • ashishsinghal
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Undergrad Complex numbers-roles in phyiscs
  • neginf
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High School Which way does a towel dry fastest?
  • Farah Roslend
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New here I don't know if there's a special place for this
  • blade123
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Undergrad What Are the Relationships Between Mass and Time?
  • Dezepar
  • · Replies 10 ·
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Why Is This Physics Forum Your New Favorite Online Community?
  • Terraqueous
  • · Replies 24 ·
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Undergrad Global Data Storage: Can You Store More Info in Human DNA than on Computers?
  • esmeralda4
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