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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.
Question about spontaneous creation.
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Standard deviation in Graviational force, g
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Gravity and Energy: Attraction & Velocity
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Why is a bulb lit as soon as a torch is switched on?
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Calculating the Force Needed to Remove Adhesive Tape
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Question Is it possible to have energy going from the body without touching it
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Geometry problem: a cone meeting a cylindre.
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Why doesn't the Earth collide with the Sun?
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What is Bandwidth and Why is 3 dB Important?
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How can Dirty clothes effect the Insulation?
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Cleaning your PC with a vacuum cleaner
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Is Meters per Second Squared a Measure of Velocity Increase?
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Does the wall get somewhat warped from me pushing it?
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Capillary Rise and Pressure in Sealed Capillary Tubes
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Calculating gravity - is your down plus or minus?
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The Nobel Prize in Physics 2010 goes to
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AC circuits with complex numbers
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Rock On Rod Stewart: Am I a Universe-Rule-Changer?
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Compact Unidirectional Audio Speaker
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Is our granite inspection table harmful?
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Can energy and mass be created or transformed in the universe?
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Remember the debate about downwind vehicles
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Is the Gravitational Constant a Tensor or a Constant Derived from Experiment?
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Understanding the Airy Disk Equation: Lambda in Medium or Vacuum?
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I've noticed that gears play the major part in supplying energy
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Double-Checking Before Proceeding
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Solving Stokes' Law Experiment Mystery
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Atoms that make up the body do they come from
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So, the question could be: When does slipping occur on a car?
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Calculation Results for Hexane Density - Get Best Value
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Gravity at Earth's Core: Human Impact Hypothesis
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What is the physics behind seismometers?
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How long does it take to learn physics?
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Is there any way to prove that a given force is conservative?
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Discover the Basics of Blackbodies: Definition and Properties Explained
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Unsolved Problems in Theoretical Physics and Astrophysics
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What forces are at play when a sculptor's punch is used to carve stone?
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Properties of foam plastic in Mattress and in general
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Coefficient of restitution and damping
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Visualizing Hypercubes: A Beginner's Guide
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Really simple gravitational question
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Emission spectral line intensity
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Can gas pressure and density be reduced without changing temperature?
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Help with gauss, Sheet vs conducting surface
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Why Are Physics Notations Like 'c' for Speed of Light Used?
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How do we measure the wavelength of electromagnetic waves?
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Hump on an aeroplane can be on the bottom
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What Actually Is Energy?
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Vector Equation Help: Solve Radial Acceleration
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Why does dipping a stick into water on a balance cause a decrease in weight?
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Annihilation and energy occurance
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Calculating PFA Diffusion Rate in 1% Agar Gel: Tips and Resources
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What Are the Dynamics and Stability of Forced Undamped Harmonic Oscillators?
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The physics of losing Helium from the Earth - question
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How Does Absolute Zero Influence Our Understanding of Time and Movement?
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Calculate Force: Meters & Seconds^2
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Why do waves(in general) travel in different frequencies?
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Gravity at Centre of Earth: Infinite?
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Tube Buoyancy Question: How Much Force Is Needed?
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Puzzled: why is this even linear? Must it be? Looking for clarification
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Can Atoms Be Moved and Imaged Despite Wave-Particle Duality?
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Need book recommendation for difficult multiple choice problems
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Calculating G Force from 250km/h to 80km/h in 80m - Chris
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Paper Bridge Project: Design for Holding 20+ lbs with 1 Sheet of Paper
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Physics Project involving ice, gases, and global warming
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What Causes Back EMF in Transformers?
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Need ideas for solar/atmospheric experiment
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Force Distribution in Wind Tunnel Experiments
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Energy Conversion: KWH/M2, MWH/CM2 & WATT/M2
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Is E=mc^2 Fully Proven or Still Up for Debate?
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What does per second per second mean?
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Simple explanation - wings in an aeroplane
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Partition function in Statistical Physics
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Why is gravity, on earth, approximatley 9.81 m/s[SUP]2[/SUP].What
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Jump in Elevator in Weightlessness: Can You Do It?
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Top 5 hallmark experiments in physics
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Why do we need the s-2 when describing force/energyetc?
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Can atoms reach absolute zero energy and what happens then?
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Direction of vector displacement
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Random questions: explain BB gun bullet dent in (regular) glass?
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Muon Decay Constant: Find Mean Lifetime & Lambda
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Are we push or attracted to a planet?
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Closed System and Center of Mass
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Asteroid Sterilization: Size and Impact on Earth
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Is Time Travel Possible and How Can We Achieve It?
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RF beam width and antenna diameter?
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Is a 3D Equation System the Future of Advanced Mathematics?
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3D 'perception' of the world we live in
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Calculating Apparent Speeds of Objects at Light Speed
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What is the amount of energy released from an exploding firecracker?
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How to evaluate gradient of a vector? or del operator times a vector
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Is there really such a thing as a perfect circle in nature?
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Adjusting Our Units: Can Fundamental Constants Have Integer Values?
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What Are Some Physics-Based Senior Project Ideas for High School Students?
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Velocity of Thrown Ball: 2.0m/s - Physics Q&A
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Commutative property of numbers and uncertainity
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What is a Joule Second? - Explained Easily!
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Why is it that things feel ''hot''?
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What Happens to Energy When You Throw a Rock?
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Gravitational forces between 2 masses
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