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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.
Atoms: Adding to Universe & Changes Explained
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Unicycle Physics: Calculating Wheel Diameter & Maximum Hop Height
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Solving a Math Mystery: Wave Functions & Probability Density
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Is E=m*c² the Key to Understanding the Universe's Equilibrium?
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Energy difference between stop and 90 degree deflection.
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Can someone tell me what is the best collimation material for this application?
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How to Calculate Total Angle from X and Y Angles on an Incline?
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Why Do Things Affect Each Other in the Universe?
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HUP Greeting: Meaning & Opinions
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Black Holes : Zero Volume, Infinite Density
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Pipe C - More Water Pressure: Solve Puzzle
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Which Speed Calculation Method Is Best: DV/DR or V/R?
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How bright can sonoluminescence be?
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What is the affect of moon on tides?
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What is the Time and Distance for a Meter Stick to Fall?
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How does a wave pass thru a medium?
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Venturi tube obeys ideal gas law?
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Using capillary action to generate energy
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4wd vs 2wd (Jeremy Clarkson's proof)
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A logical problem about a new system.
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If i can see him, can he see me?
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What's the Delay with a Wire to a Planet 1 Light Year Away?
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When I am looking with my sunglasses to PC display I see darker
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Very comprehensive encyclopedia-like webpages on Physics/Math/other sciences
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Is Gravity a Particle or a Spacetime Phenomenon?
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Could a 4D Object Appear and Disappear Like a Sphere in Flatland?
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What is the formula for lifting a mass with a hydraulic press?
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Getting Started with Wave Physics: A Beginner's Guide
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What does a black hole look like from behind?
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Question about solid's response to stress
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Calculate Earth's Gravity Equation: 9.81
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Archimedes Screw: Power Generation in Pulsating Environment?
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Radioactive decay as explained by Wikipedia
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Can a bacteria be described by physics?
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Measured vs calculated quantities
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Jerk Equation: Calculating Profile from Speed Data
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Exploding Soap Bubbles: A question of gasses.
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Non-instantaneous model of applied force?
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What are audio sampling signals?
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Questions about EM properties of ferrous liquids in spherical form
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Understanding Rainbow Dispersion in Glass and Mirrors
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Proton and Electron Collision: What Might Happen?
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Can Energy Be Converted to Mass?
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Properties of some compounds
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What is meant by 2+1 dimensional
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Charging the Small Sphere: Questions & Answers
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Calculating Elevator Free Fall After Passing the Earth's Core
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Sunglasses + Plane Window = Colors?
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Help with a Fractal based Computer radiator
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Bose-Einstein condensate and ions spin
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Why are micrometer calipers preferred for measuring diameters?
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Unit Conversion: How to Find Volts/kRPM for Motor Modeling with 245 RPM/Kv Value
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Wind turbine on a boat efficient?
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Can Energy-to-Mass Converters Achieve Near-Perfect Efficiency in the Future?
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I had a funny thought when i was vacuuming. I was vacuuming dust
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Is the Gravitational Acceleration on Jupiter Different from Calculated Values?
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Is the Atom and its particles proven?
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What is the Effective EMF of 2 Cells in Parallel with Zero Internal Resistance?
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Could Time Travel Be Possible By Studying Particle Motion in the CERN Collider?
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Is There Destiny? - Can We Predict the Future?
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New to Physics. Can you explain?
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The meaning of orbifold counting
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What Are the Physical Applications of Matrices?
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Energy Dissipation in Capacitor for AC Current: Explored
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Treadmill vs Free Running: Which is Better for Your Health?
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What Physics Principles Govern Force Diagrams and Object Deformation?
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I'm trying to find what is true, what is myth and what is as yet
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Liquid propane equilibration between tanks.
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Hovercraft vibration noise problem
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Permeability, permittivity and susceptibility
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Converting cm to cm-1: How to Calculate 1/37
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Is This a Shockwave? - Physics Forums
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Test Hovercraft Equation for Science Fair Project
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(I'm 14 and still learning physics so I obviously don't know as much
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Can Time Be Infinite?
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What is the significance of neutron interference in the neutron drop experiment?
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Will Replacing My Bike's Shock Absorber with Solid Steel Damage the Frame?
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Can a Wineglass Shatter from Two Notes?
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Experimenting with Geiger-Müller Tube: Half-Life of Protactinium (Pa)
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The Meissner Effect & Lenz's Law
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Richard Feynman's description of Fire
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Calculating Nitrogen percentage in food products.
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Airy Disc Formula: Why Does it Include 1.22?
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Hello intelligent peopleI need a little help8 liter of air
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Wrong Solution/Right Answer and Logrithms
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Defining Time: Our Everyday Mystery
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Measuring a loudspeaker's diaphragm
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The Greenhouse Effect vs. Blackbodies vs. Global Warming?
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Why Does the Fourier Transform Show Magnitude Around 3Hz?
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How accurate is this short summary of physics history?
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Need help rigging something to chill soil.
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Some simple? questions on miscellaneous things?
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What kind of force would be needed to push the Moon into the Earth?
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How to convert length units to inverse cm
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Eye vs Telescope: What Limits Our Sight?
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Theories on Dimensions/Time Quantized?
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Hi,I'm in high school and have been given an assignment regarding
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Strange: Earth's center of gravity
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Radioisotopes and the Age of the Earth (criticism?)
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How is a spark created from scraping metal to start a fire?
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