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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.
High School Why is glass rod used in decanting?
  • Govind_Balaji
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Graduate Views on Answering Physical Questions
  • ChrisVer
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Idea for a name for a physics youtube channel?
  • Nerdydude101
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4
Graduate What is Menshikov's Theorem and How Does it Relate to Percolation?
  • ddriver1
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Graduate How Often Has Theoretical Physics Predicted Major Discoveries?
  • rigetFrog
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High School Temperature: Why Measured in Degrees?
  • Goliatbagge
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14
Undergrad What is the true probability of a monkey typing banana in the correct order?
  • darrin016
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8
Undergrad Is There a Constant Value in the AP French Equation for Singing Wine Glasses?
  • Perri09
  • · Replies 1 ·
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Undergrad How can we represent an image using basis images?
  • ramdas
  • · Replies 5 ·
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5
Undergrad What is the Smallest Piece of Matter We Can Observe?
  • kyphysics
  • · Replies 9 ·
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9
High School Where to find physics talks/lectures for hobbyists?
  • mariel
  • · Replies 7 ·
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7
Undergrad Random Questions on General Physics
  • Murtuza Tipu
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Undergrad What is the best solar efficiency out there?
  • dan020350
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2
High School Do Waves Truly Exist in the Physical World? A Fundamental Question
  • Badfish97
  • · Replies 6 ·
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High School Double use of energy ? possibility of free energy ?
  • stevan
  • · Replies 24 ·
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Undergrad What is the importance of Phase in case of Multidimensional signals?
  • ramdas
  • · Replies 1 ·
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High School The Science Behind Ripples in a Moving Cup
  • bbjs
  • · Replies 4 ·
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4
Does Time Have a Direction Like a Vector?
  • Amio
  • · Replies 22 ·
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Graduate Dimension, Temperature & Time: Semantically Misleading?
  • Islam Hassan
  • · Replies 5 ·
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5
Graduate Explain telepathy using any physics that we have known.
  • vijayst
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2
A paragraph about cosmology that made me laugh in the last 24 hrs
  • Mueiz
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Undergrad Why do we still teach Bohrs Model?
  • whitay
  • · Replies 10 ·
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10
High School Metric Prefix Help - Find 2mL=200L
  • Nerdydude101
  • · Replies 14 ·
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What is Physion?
  • dxanthopoulos
  • · Replies 7 ·
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7
Undergrad Do famous physicists (Kaku and Hawking) pass off asumptions as fact?
  • 1992camrysedan
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Undergrad What is the flow rate through a capillary tube?
  • ratzmoose
  • · Replies 2 ·
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Graduate Did Maxwell truly follow Faraday's views in his theory?
  • TrickyDicky
  • · Replies 7 ·
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High School Understanding formulas involving divison and multiplication
  • Niaboc67
  • · Replies 4 ·
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Graduate Snorkel Breathing: Max Length & Factors Explained
  • S. Moger
  • · Replies 6 ·
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6
Undergrad Calculating mass of a solvent in a mixture, given volume and molality?
  • oppyykm
  • · Replies 1 ·
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High School Why can't amplitude make a tranverse wave faster
  • trill
  • · Replies 28 ·
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28
Graduate Why Do We Conflate Particle Physics with Theoretical Physics?
  • Catria
  • · Replies 7 ·
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7
Graduate How far would physics have progressed without electricity
  • Big-Daddy
  • · Replies 14 ·
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14
Undergrad Insulation blocks mobile phone signals
  • CWatters
  • · Replies 4 ·
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4
Undergrad Testing IFFT and FIR Filter on FFT Sin Wave Output
  • btb4198
  • · Replies 13 ·
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Is Physics the Ultimate Reason for Everything?
  • eedg
  • · Replies 3 ·
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3
If you had to jump from very high, what would you use as a parachute?
  • djh101
  • · Replies 36 ·
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Favorite physics videos on internet
  • Avijeet
  • · Replies 56 ·
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High School Create a Vacuum at Home: Easy Tips for Making a Partial Vacuum in a Small Box
  • albertrichardf
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Graduate What is the Best Approach for Solving a Fourier Coefficient Problem in MATLAB?
  • 1Keenan
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Graduate Could fluorescence quenching be used for making 3D images?
  • miraiw
  • · Replies 6 ·
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6
High School Resources for simulations in physics
  • Goodver
  • · Replies 3 ·
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Undergrad Term paper on historical physicist
  • saybrook1
  • · Replies 3 ·
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3
High School What is the top solar cells in market?
  • dan020350
  • · Replies 1 ·
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1
Undergrad Unraveling the Meaning of t = 0 in Physics
  • Amad27
  • · Replies 11 ·
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11
High School Bel is unit for what physical quantity?
  • Jhenrique
  • · Replies 7 ·
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A question born from a dispute in a Tabletop Game.
  • MarkHarris
  • · Replies 12 ·
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High School What is the 4th dimension n terms of visualization ?
  • kira506
  • · Replies 15 ·
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Undergrad What's so special about resonant Frequencies?
  • masscal
  • · Replies 10 ·
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10
High School Vacuum Pump & Setup for 20-25cm Cylinder
  • Prawn Nebula
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Graduate Which Physics Simulation Programs Can I Use to Visualize Complex Phenomena?
  • xx0numb0xx
  • · Replies 13 ·
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Minecraft Physics: Facts for School Project
  • PhysicsatTen
  • · Replies 8 ·
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8
Graduate Do we know that time actually exists?
  • Jupiter60
  • · Replies 6 ·
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6
Undergrad Do vacuum vessels have issues with the interior layers flaking off?
  • pa5tabear
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Graduate Derive the van der Waal interaction between 2 spheres.
  • Red
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High School Atoms never touch each other because of electons
  • Hepic
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Undergrad Waves on a String: Pitch, Harmonics & Resonance
  • leeone
  • · Replies 12 ·
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12
High School Physics Club Ideas: 1-3 Year Projects for High School
  • ecoo
  • · Replies 2 ·
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2
Graduate Find Resources on Principals of Dichroism & Polarizational Filters
  • Goodver
  • · Replies 3 ·
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3
Undergrad Solving Standing Waves Problem: Why Nodes at Multiples of 3 Remain Unexcited
  • negation
  • · Replies 11 ·
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Undergrad Why is the term w(t-x/c) used in the cosine representation of a traveling wave?
  • mcheung4
  • · Replies 5 ·
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Undergrad When Will Node and Antinode Energies Be Equal?
  • varunika
  • · Replies 3 ·
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3
Undergrad Vibrating Strings: Physics of Stationary Waves & Oscillation Types
  • PFuser1232
  • · Replies 1 ·
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Undergrad Exploring Phosphorescence in Gelatin, Celluloid, Paraffin and Ivory
  • lufc88
  • · Replies 1 ·
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High School Is There a Relationship Between Density and Boiling Point?
  • SuperSandwich
  • · Replies 3 ·
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High School Solve the Puzzling Mystery of the Speeding Plane
  • Algr
  • · Replies 7 ·
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7
Undergrad Expanding earth possible on mars?
  • Wormtongue
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High School Material for not permanent 'sticking'
  • homer5677
  • · Replies 11 ·
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11
What Essentials Should I Pack for a Meteor Shower Viewing Party?
  • Dembadon
  • · Replies 8 ·
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8
Graduate Understanding Energy Transfer: From Atoms to Photons and Beyond
  • JoshWolff7
  • · Replies 4 ·
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High School What is the difference between resonance in a vacuum and resonance in a medium?
  • tennispro1213
  • · Replies 4 ·
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High School What Little-Known Physics Phenomenon Fascinates You?
  • Opus_723
  • · Replies 38 ·
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Graduate Young-Laplace Eq. for 2 Radii of Curvature: Solving for a Droplet
  • RudyL90
  • · Replies 5 ·
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Undergrad Interpretation of Multiplicity Function
  • leeone
  • · Replies 2 ·
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Undergrad Calculate required valve diameter (Darcy-Weisbach)
  • Faustulus
  • · Replies 5 ·
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Graduate How Does X-Ray Ionisation Impact Millikan's Oil Drop Experiment?
  • curious bishal
  • · Replies 2 ·
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Undergrad My Mind going to blow Why Conservative field Path independ? by TMSxPh
  • Kin
  • · Replies 5 ·
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5
Graduate A problem in submitting .pdf files to the arXiv.org
  • kderakhshani
  • · Replies 14 ·
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14
Is it Crazy to Start Studying Physics at 36?
  • hellinida
  • · Replies 36 ·
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Undergrad How does humidity affect conductivity of air?
  • AakashPandita
  • · Replies 3 ·
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High School Basic but important question on mass, matter, and atom
  • fde645
  • · Replies 13 ·
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Undergrad Is dm/dv a Valid Expression for Density in Variable Conditions?
  • felipeek
  • · Replies 7 ·
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7
High School Is an intramolecular bond the same thing as an intramolecular force?
  • marc32123
  • · Replies 6 ·
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Undergrad Experimental Uncertainty and Error
  • jenny777
  • · Replies 6 ·
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High School What is the Meaning of \Subset Symbol?
  • Gabriel Maia
  • · Replies 3 ·
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3
Graduate Effects of backstreaming on a diffusion-pumped system
  • rkum99
  • · Replies 5 ·
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5
Graduate What is the propulsion behind UFOs?
  • cloudtoground
  • · Replies 1 ·
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Undergrad Can capillary action lift water to 10 meters?
  • Yuri B.
  • · Replies 7 ·
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High School What do you think the differences between these scientists were?
  • hankeyb
  • · Replies 8 ·
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8
High School What type of solid elements will not burn
  • taregg
  • · Replies 16 ·
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High School Finding Line Strength Formula for Fishing Line Tests
  • Ajkula
  • · Replies 1 ·
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1
High School Can Pi's Digits Become Obsolete Beyond Planck Length?
  • slipperyfish10
  • · Replies 17 ·
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Undergrad How are physics formulas derived
  • shreder
  • · Replies 5 ·
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5
High School What Is the Definition of 'Energy'?
  • kyrani99
  • · Replies 9 ·
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9
High School What is meant by transfer of matter and energy in waves?
  • LXX
  • · Replies 2 ·
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2
  • Poll Poll
Undergrad Is this photo physically possible?
  • lbs
  • · Replies 19 ·
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Undergrad List of Interactive Programs/Software/Applets
  • Simfish
  • · Replies 34 ·
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Undergrad NiCu Alloy Resistivity - Is it 3.5*10^8 or 35*10^8 Ω*m?
  • oneplusone
  • · Replies 3 ·
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Undergrad Doppler Effect inconsistent in terms of relative velocities
  • memoguy
  • · Replies 4 ·
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4
High School What Are the Best Books for Independent Physics Study?
  • Darthkostis
  • · Replies 2 ·
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