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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.
How Do You Calculate Energy Dissipated by Drag Force in AP Physics C Mechanics?
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Discussing Push vs Pull with My Boss
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The Principle of Symmetry: Universal?
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Is It Possible to Reduce Mass to Zero?
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The Center of a Black Hole - What's Going On?
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Can Non-Standard Coordinates and Dimensions Explain Dark Matter?
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Complex notation of periodic functions
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Understanding the Significance of Photodiode Bandwidth | Lab Tips
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Cross sectional area - Young Modulus
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Image Formation Issue: Spherical Aberration & Fixing
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What happens if tungsten is used in domestic wiring?
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What causes the moon to be bright at night?
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How Are BV Functions Applied in Physics and Engineering?
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Is the Discussion on Gravitomagnetic Moments in London Misleading?
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What Unanswered Questions from Richard Feynman's Talks Have Been Resolved Today?
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Understanding 10mAhr and 10Whr Ratings for Laptop Batteries
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Where Does the Energy Go When Gravity Changes an Asteroid's Trajectory?
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If you look far far away you'll find that you're looking to your back
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Understanding the Concept of Field in Physics: Definition and Relation to Waves
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Does the Sun's composition of hydrogen make it prone to explosion?
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Can the Law of Universal Gravitation Override Earth's Gravity?
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What Causes the Optical Illusion in the Pale Blue Dot Photo?
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What are weakly and strongly coupled system
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Vap: Convert Vapor Volume to Density
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Non-relativistic vs Ultra-relativistic
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Advice Wanted:How To Solve A Problem Without Really Understanding It
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Gravity: How do objects communicate?
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How Can I Conduct a Solenoid Experiment Without Equipment?
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How Do Absorption/Emission Lines Relate to Black Body Radiation?
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Understanding Normal Modes of Light Propagation in Anisotropic Crystals
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Fields at the ends of a parallel plates
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Confused about wavelength (basic)
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What Factors Affect Toboggan Speed?
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Calculating Compressed air leaks within a system
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Why Does a Longer or Thicker String Produce a Lower Note?
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Stagnation points for flow around a cylinder
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Massless Dirac equation and graphene
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Floating a Battleship in a Bathtub
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Biconcave vs Biconvex: Which Gives Greater Surface Area?
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Central difference approximation
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Proving the Normal Law of Errors
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What Happens to Atoms and Energy at Absolute Zero?
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Gravity - a function of mass or of density?
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Energy Dissipation in Horseracing
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Reversible and irreversible reactions
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Given a 2nd order system response, how to get equation ?
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Rocket fuel efficiency and payload capacity rule of thumb
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Name for Object/Device with Electric Light Between Two Rods
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How Much Power Is Needed to Generate an EMP?
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Does the butterfly effect apply in reality?
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Can Non-Live Images Be Captured on a Screen?
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Inverted Mercury Rod: Will Gas Pressure Change?
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Cross/Dot Products in Physics: Work, Torque & Impulse
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How Do the Energetic Properties of a Nut and Bolt Change When Fastened?
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The Best Angle for Maximum Spitting Distance?
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What are locality and nonlocality?
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Welcome to the Forum! Learn About Cavity Resonance Here.
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Is Antimatter a Fundamental Property or a Label?
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Physical meaning of Neumann boundary condition
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Uncertainty in Multiplication: Significant Figures vs. Rate
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Starting Non-Calculus Based Physics
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Does Core Material Influence the H-Field in a Toroidal Coil?
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Help me to understand horizontal component.
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How Much Data Can a Single Wave Carry?
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MAh, UPS power consumption of laptop
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Why Do Stars Appear Blue to the Naked Eye but Red in Scientific Images?
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Question about Fields: B Field Propagation Speed?
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Does energy has gravitational force?
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CD Players: How Do They Interfere?
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How is the force to move an object on a flat service calculated?
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How Is Energy Stored? Answers & Explanations
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Resolving the Low Reynolds Number Paradox: Wake Formation
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[semiconduction] Does reverse bias decrease depletion region?
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Catapulting & Trebuchet Physics: A Beginner's Guide
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Liquid Simulation: Cool Visual Effects
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Gravity and Mass: What's the Need for a Graviton?
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How small can a prism be made?
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In Dimensional analysis why is Lenght/Lenght=1 (a dimensionless number)?
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Explanation to some observations
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Is Dark Matter Only Present on a Galactic Scale?
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Is there a perception of a prestige hierarchy among physicists?
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Pound of TNT to Joules Conversion: Explained and Simplified
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What is the spectral response of Brilliant Blue FCF?
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Shaking the Atom: Electron Shells & Nucleus Resonance
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Vector Symbol Meaning - Explained by stampede247
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When the motor is working harder, it needs to rotate faster.
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Exploring Pair Production: Rules and Resources
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Calculate Orbital Period of Earth: GM & a for t in Years
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A 500 pound fly (this is not a HW question)
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What Would Happen if LHC Beam Impinged On Someone/Something?
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Aircraft in General - Get Started with Physics and Books
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A simple thought experiment | Please confirm
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Answer: Pressure Differentials in Double Glazing Units
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Kramers-Kronig relationship between ultrasonic attenuation and phase velocty
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Average Total Energies of Isolated Hydrogen Atom's Electron & Proton
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Does time exist outside one's mind?
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Can Antimatter Annihilation Occur with Non-Identical Particle Pairs?
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What is the Difference Between Vector and Scalar?
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Why Does a Nickel Transfer Kinetic Energy Differently to a Penny Than to a Wall?
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Brake Shaft Bending: Causes & Gyroscopic Effects
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