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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 Has Anyone Taken the Physics SAT Subject Test Without AP Physics E&M?
  • cheryylll
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High School High School Science Projects Ideas on a Budget
  • MITWannaBe
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Undergrad Energy in standing waves and nodes
  • enippeas
  • · Replies 9 ·
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9
High School Where Can I Find a Comprehensive Chart of Metal Conductivities?
  • BuddyPal
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2
Graduate D4h Symmetry Group: 9 Normal Modes of Vibration
  • Rajini
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3
Graduate Converting Between PPM and Flow Rate for Gas Leak Detection: Expert Guide
  • hananl
  • · Replies 4 ·
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Searching for A. MacColl's 1944 Paper: Help Needed
  • Rajini
  • · Replies 3 ·
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High School Standing waves demo using a string
  • solas99
  • · Replies 6 ·
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6
High School Smoke Signals vs Sound Signals - Propagation Distance
  • Wardlaw
  • · Replies 9 ·
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9
Undergrad What Math Should I Know for Classical and Quantum Mechanics?
  • intwo
  • · Replies 3 ·
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3
Physics Formula for Competitive Exams (Eng & Hindi)
  • manoj mishra
  • · Replies 1 ·
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Graduate Your memories are almost certainly false
  • RexAllen
  • · Replies 38 ·
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Undergrad Can We Take the Derivative of a Unit?
  • cragar
  • · Replies 5 ·
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Did this site help me ace my hardest course ever?
  • lurky
  • · Replies 4 ·
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4
Undergrad Remmendation of book for a freshman
  • jwxie
  • · Replies 1 ·
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I'm so sick of the sensationalism
  • Mu naught
  • · Replies 17 ·
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High School The answer of a 2 sig calculation 0,098 = 0,10 ?
  • QED-Kasper
  • · Replies 8 ·
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How Accurate Are TV Shows on Complex Physics Concepts?
  • thack45
  • · Replies 8 ·
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8
Undergrad Verification of inverse square law using photocell is straight line
  • XuFyaN
  • · Replies 1 ·
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1
Undergrad Measuring airflow w/handheld anemometer
  • David Meiland
  • · Replies 1 ·
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1
Undergrad Will the CFM be the same in straight and bent pipes?
  • ISX
  • · Replies 5 ·
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5
What is the problem with Reuters' glossary of particle physics terms?
  • ZapperZ
  • · Replies 34 ·
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High School How Was the South Korean Naval Ship Raised?
  • pallidin
  • · Replies 4 ·
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Undergrad Why do ions flow from high concentration to low concentration?
  • sameeralord
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Undergrad Nonlinearity of Piano hammers help
  • dsds1000
  • · Replies 4 ·
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4
High School Average IQ of Physicists: Is it Higher?
  • neyzenilhan
  • · Replies 14 ·
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Test Your Physics Knowledge with These Quizzes!
  • maverick_starstrider
  • · Replies 2 ·
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High School Area of Square Box: 16 m² (1 Sig Fig)
  • FizixFreak
  • · Replies 9 ·
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High School Is there a black box recorder at the LHC?
  • BrianL
  • · Replies 12 ·
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Graduate Q: Can Matter Be Converted to Energy with 100% Efficiency?
  • jonnyk
  • · Replies 2 ·
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Graduate Is it Taylor Dispersion or Something Similar in Drug Injection?
  • paxprobellum
  • · Replies 1 ·
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1
High School Where is Infinity? Answers to Unsolved Mysteries
  • Misr
  • · Replies 15 ·
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Undergrad Van der Waals Equation: Calc a, b Theory?
  • typhoonss821
  • · Replies 1 ·
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Graduate Can Decoherence Be Explained Through a Causal Interpretation?
  • Descartz2000
  • · Replies 3 ·
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3
Graduate How Are Convolution and Deconvolution of Phase Diagrams Explained?
  • agtee
  • · Replies 2 ·
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Undergrad How can I calculate the amplitude of a wave using frequency and energy?
  • Butterfly_grl
  • · Replies 4 ·
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4
Undergrad How Did Robert Pound Impact Physics Without a Ph.D.?
  • jtbell
  • · Replies 8 ·
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8
Graduate Questions regarding exotic weaponry based in the new physics .
  • Max Faust
  • · Replies 1 ·
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1
Questions on physics articles in journals
  • Mechdude
  • · Replies 1 ·
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1
The 4th Dimension: Learn About It Here
  • bayan
  • · Replies 14 ·
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14
Can You Travel to America Through a Hole in the Earth's Core?
  • snshusat161
  • · Replies 11 ·
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11
Undergrad What are the nodal points on a guitar string when plucked?
  • sameeralord
  • · Replies 7 ·
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7
High School Attracted to the opposite side of the earth?
  • pallidin
  • · Replies 14 ·
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14
Stolen Physics Nobel Prize sheesh
  • rhody
  • · Replies 13 ·
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13
Undergrad Audio, how to make microphone unidirectional?
  • iBradleyAllen
  • · Replies 11 ·
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Undergrad Keeping Physics Fresh: Fun Summer Break Experiments
  • Anael
  • · Replies 10 ·
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10
Graduate Why Are Periodic Phenomena So Common in Nature? A Physicist's Perspective
  • BaghdadSerai
  • · Replies 2 ·
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Undergrad How Do Helium Leak Detectors Work?
  • tot
  • · Replies 4 ·
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4
Graduate What is the Smallest Particle in the Universe Made Of?
  • Deepak Kapur
  • · Replies 2 ·
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High School Easily measurable non-linear physical relationships.
  • Vindicta
  • · Replies 2 ·
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2
Undergrad What is a Philips Gauge and How Does it Work for Measuring Pressure?
  • Lunar_Lander
  • · Replies 1 ·
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1
Undergrad Tangent Planes: Existence & Extensibility
  • Char. Limit
  • · Replies 1 ·
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1
High School Understanding Multiplication: Its Role in Interactions and Beyond
  • Deepak Kapur
  • · Replies 9 ·
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9
What are some freely available physics videos from Harvard and Yale?
  • diogenesNY
  • · Replies 5 ·
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5
Graduate What makes measurement possible in the physical world?
  • ConradDJ
  • · Replies 93 ·
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Why Study Physics? Insights from a Graduate
  • angelie21
  • · Replies 9 ·
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Want to blow things up but not hurt anyone.
  • sensor7
  • · Replies 2 ·
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Graduate Vagueness as a model of initial conditions
  • apeiron
  • · Replies 31 ·
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Undergrad Are there gas bulbs with high off resistance at low breakdown voltages?
  • PaulL
  • · Replies 5 ·
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Interesting facts about Schrödinger?
  • Xyius
  • · Replies 2 ·
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2
Undergrad Is it possible to calculate earth's massiveness
  • pankaj66866
  • · Replies 6 ·
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6
High School High School Students: Practice Final Exams
  • Senjai
  • · Replies 7 ·
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7
Undergrad Loudest SPL (and how easily it *could* be broken)
  • chengbin
  • · Replies 11 ·
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Undergrad How to Determine Nodes and Antinodes in a Closed Pipe?
  • HumorMe81
  • · Replies 2 ·
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Graduate LHC Shutdown over fears of mini-white holes.
  • gabbagabbahey
  • · Replies 9 ·
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9
Undergrad Is Hell exothermic or endothermic?
  • Char. Limit
  • · Replies 8 ·
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High School Cool Air Tactics: Fan & Ice Cubes
  • likephysics
  • · Replies 7 ·
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Undergrad What were the requirement of a physics degree back in the early 1900s?
  • Simfish
  • · Replies 1 ·
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Twisted Physics: Top 10 Findings]
  • MacLaddy
  • · Replies 2 ·
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Physics is the only real science. The rest are just stamp collecting.
  • Silverbackman
  • · Replies 72 ·
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Graduate Explaining Laplacian Vanishing for Harmonic Functions: A Physical Analysis
  • avocadogirl
  • · Replies 1 ·
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Why Professional Physicists Are Proud of Their Profession
  • Rajini
  • · Replies 6 ·
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Undergrad How Orthopedic Hardware Affects Bone Fractures - Q&A
  • Ryuk1990
  • · Replies 1 ·
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Graduate Merging theoretical and experimental physics: the 'correct' standard model
  • taylaron
  • · Replies 4 ·
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Undergrad Did Tsar bomba explosion seen in Finland ?
  • eldorado
  • · Replies 4 ·
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4
Undergrad Ideas for making a Physics Demonstration?
  • csnsc14320
  • · Replies 2 ·
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High School Adhesives that are friendly to the environment?
  • aidalee12
  • · Replies 3 ·
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3
Undergrad How Does Physical Intuition Influence Problem-Solving in Physics?
  • cs23
  • · Replies 8 ·
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8
Graduate Perpetual Journalism - CERN in the news
  • diogenesNY
  • · Replies 6 ·
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6
High School Cathode Ray Tube: Electron Source & Ionization
  • cragar
  • · Replies 2 ·
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2
Graduate How Does Friction Occur If Atoms Never Truly Touch?
  • JP84CE1
  • · Replies 3 ·
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News Why wouldn't the LHC break on queue?
  • Stanwyck66
  • · Replies 22 ·
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High School Come and get it:Physics Formulary
  • Winzer
  • · Replies 1 ·
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Undergrad If you were giant, but everything around you was to scale physically
  • NikoBellic
  • · Replies 5 ·
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Graduate Chaos Theory and Human Behavior: Can it Explain the Complexity of the Mind?
  • john.mg
  • · Replies 4 ·
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Undergrad Questions in Physics: Kinetic Energy & Penetrance of Materials
  • scottbekerham
  • · Replies 3 ·
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3
Undergrad How does calculus play a role in physics and chemistry research?
  • Moonflower
  • · Replies 1 ·
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1
Teen Scientists Unite: A Look at the Young Minds Interested in Physics
  • idiosyncratic
  • · Replies 19 ·
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Undergrad Original ideas for a physics experiment
  • Shukie
  • · Replies 2 ·
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2
Undergrad Gaining a Deeper Understanding of Physics Problems
  • MurdocJensen
  • · Replies 6 ·
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6
Graduate Can Quantum Mechanics Explain the Consistency of Macro Events?
  • Descartz2000
  • · Replies 13 ·
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A list of female string & QG theorists.
  • MathematicalPhysicist
  • · Replies 10 ·
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Animations put fun into physics and maths
  • peetvanschalk
  • · Replies 2 ·
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High School Does Earth's Gravitational Field Strengthen Upon Receiving Light from the Sun?
  • cragar
  • · Replies 6 ·
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6
Graduate What is it like for Schrödinger's Cat?
  • ManDay
  • · Replies 18 ·
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Graduate Debate: Could the Unpredictability of Quantum World Negate Future Prediction?
  • Blenton
  • · Replies 48 ·
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High School How could you test that gamma rays spread out in different directions?
  • PhysicsLearne
  • · Replies 3 ·
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3
High School What causes a CD to appear to float on a glass surface?
  • loststylez
  • · Replies 4 ·
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4
High School Is Mass Measured in Kilograms or Grams?
  • Awsom Guy
  • · Replies 4 ·
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4
Undergrad Energy vs Voltage and Sqrt(Voltage): Function of Units
  • quietrain
  • · Replies 15 ·
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