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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.
Mass in Physics: Inertial & Gravitational Mass
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What is the Unified Theory of Chaos?
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Why Does It Take 1.4s for 10m Drop at 10m/s?
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Formula regarding insulator thickness, and surface area covered?
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River flow on a planet or large object.
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Usain Bolt's Physics: Derivation Analysis
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What is Q in kQq/r? (+Ze) Explained
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Are all atoms considered to be isotopes?
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Can Mosquitoes Fly Faster Than 80km/h?
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Why can't we time travel in backward?
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What is 'K' in K=1/4pi Epsilon 0?
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Teen uses Fibonacci sequence to make solar energy breakthrough
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Would gravity affect us differently if we were in the center of the earth.
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Settle Bet: How Far Will Golf Ball Land in 5 Secs with 67mph Wind?
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Equation required to calculate exponential rate
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Longitudinal and transverse wave propagation
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Is this an energy conversion error?
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How to interper thrust of the rocket
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Solve Integral of dp^2 | Lower Boundary Ps, Upper P0
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Dented Cans: Plane Cargo Impact?
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Raising a Sunken Vessel: Calculating Air & Water Flow
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Time for two point masses to collide under gravity
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Phase difference and path difference
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Are Earthquakes Induced by Human Activity or Extraterrestrial Factors?
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Gravity and other fundamental forces
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The math of physics in real world situations
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How can we consider this one direction?
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Does gravity have effects through time?
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Why Do Cars Lean Forward When Braking?
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Is it Safe and Worthwhile to Build a Homemade Particle Accelerator?
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Condensation in vacuum container
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Quesitons on Gas firing a lab furnace
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What are some alternatives for 3D physics simulation software?
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Is it better to brake or accelerate when hitting a deer while driving?
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Trying to understand what happens when EMR goes through matter (or doesn't)
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Can electromagnetism explain gravity?
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Liquid Drop Model: Why is Mass of Nucleus a Minus Away?
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The movement of hockey pucks on an air hockey table.
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What would be the force in pounds of 25,000 lbs. moving at 40fps
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Can a Vortex Tube be Made Larger for Cooling Purposes?
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Line integrals distance elements
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Understanding "Integrating Out": Examples and Explanations
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Units Question: Avagadro's Constant
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Is There a Short Circuit in Your Diagram? How to Spot It!
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Why Does Charge Flow to Outer Spherical Shell?
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Understanding Stimulated Emission: Got the what, how about the why?
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Turn Coordinator: Understanding Roll & Turn Rates
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Understanding Burstein-Moss Shift
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Realizing AND & NOR Gates w/ Diodes: An Explanation
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Pioneer anomaly not gravitational
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Unveiling the Mysteries of Gravity at the Centre of the Earth
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How Do You Find the Derivative in Physics?
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How if the small RC helicopter Hover but the train is moving?
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What comes first in a closec circuit eletron movement or the electic feild.
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How Can 96% of the Universe Remain Unobservable?
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Does Mass Have Volume? Photons Too?
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Understanding Waves: Is There Hope?
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What Balances the Gyroscope's Gravitational and Precession Torques?
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Comparing 'Moment of Force' and 'Moment of a Couple
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Why is there a lack of consistency in portrayals of the visible light spectrum?
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Do square, sawtooth, and triangular waves exist in nature?
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Best Graduate schools for Physics
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Net Resistance of Parallel Circuits: Solve It Now!
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The kelvin scale - how could it have been defined?
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A PF Challenge to all you PF'ers
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What Is Phase in Physics?
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Why does my microphone hum change when I touch different objects?
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What causes the amplification of twists in a hanging chain with a rubber band?
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Why Are Rainbows Formed?
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Why Is a Soap Bubble Formed?
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Unraveling the Mystery of E=mc2: Speed of Light
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At what size do turbines stop becoming efficient?
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The sinking of the Scorpion SSN 589
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Calculating Joules from Watts: 4000 Watts for 30 Seconds
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How Can Gravity Be Expressed as a Function of Density?
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Is Energy Finite? thoughts ideas
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The physics behind the Le Chatelier principle ?
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Directed Distance in Coordinate Geometry: Sign Convention
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Producing a vacuum using a turbine?
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Where does other energy go when matter and antimatter annihilate?
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Can caskets really explode underground due to gas buildup?
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Hidden boxthe under the surface of earth is missing
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Is Colour Really in Your Head?
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Object visibility and size-to-distance ratios
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What is the impact of other forces on measuring gravity on a very small scale?
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Historically Important Problems in Physics
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Testing E & B Fields: Is This the Only Way?
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What Happens When a Pebble is Dropped Through Earth's Core?
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Curiosity about complete basis
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How Does Force Transfer Between Bodies?
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Boyle's Law, does it hold true in a non finite container ?
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Swing of a hanging rope due to wind
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Why we not get attracted by pyramid ?
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What is the name for the colorful effect produced by oil on water?
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Thunderstorms and Cars: Is Your Vehicle at Risk?
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Hey asume i have conected up parallel plates but of different areas
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Is the Problem of the Rotating Rod Solvable with Given Details?
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Is the acceleration due to gravity affected by the size of the objects involved?
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What happens when you pluck a guitar string?
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A taut rope pulled - delay on the other end?
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