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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.
Vacuum vs. Centrifuge - equivalence
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Ice sticking to the mould problem.
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Significant Numbers: Rounding Rules
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Is Energy the Key to Understanding the 4th Dimension?
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Mass on a Stick Model: Solve for Realistic Results
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What Modern Physics Concept Is Easiest to Understand?
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What Materials Work Best for a Miniature Golf Ball Roller Coaster Track?
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Falling Barometer Mercury Level Height
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Coriolis Effect: Man Walking Football Field, Right?
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Making a stronger air flow using 2 fans
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Why does fuse wire always break in the middle?
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Why do objects bounce at a 30 degree angle?
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Explaining Toroidal Transformers & Their Self-Shielding Properties
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Do conductors have electron holes?
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Understanding Intensity of Plane SHW in 1D, 2D, and 3D
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Understanding the Doppler Effect and Changes in Wavelength and Amplitude
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Blueshift + Classical Physics = Golden Ratio
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Does gravity apply at very short distances?
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Why isn't it possible that gravity is repulsive at long distances?
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Phases of SHM & Wave Motion: Are They Equal?
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Average Kinetic & Potential Energy in Simple Harmonic Motion
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Finding Formulas for College ASME Project
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Can a *gas* be visible to the naked eye?
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Evidence for the existence of neutrinos.
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Could time be movement in a 4th physical dimension?
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Difference between forced vibration and combined SHM
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What causes wave diffraction and how does it impact wave behavior?
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How Can I Build a Stable Tower with Just Paper and Tape?
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Why can't time-varying EM fields exist in a perfect conductor?
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The Electromagnetic Spectrum: Wavelengths, Limits, and the Universe
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What is the relationship between sound wave compression and the Doppler Effect?
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The size of the reservoir in a barometer
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Coils & Questions: Charging Batteries with Magnets
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Can absolute zero ever be achieved?
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Particular nuclide to become half its initial value
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FREE Materials Science Lecture Notes
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Air Torus Hoverboard: Is it Possible?
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Finding Wavelength of mosquito wings
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What Happens Inside a Cathode Ray Tube During Electron Movement?
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What Are the Latest Innovations in Matter Transformation for Alternative Energy?
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Question about spirngs their force
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Where Can I Find Detailed Physics Study Resources with Animations?
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Fluid appearing colorless when poured
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Is the Russian Helicopter Death Ray Based on Multi-Beam Klystron Technology?
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Can somebody tell my where I am going to wrong.
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Discover the Universal Physical Constants: Total Count and Dependencies
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Can someone explain this physics passage and picture?
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Thickness of bulb filament affect brightness?
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Free Energy Diagrams: Understand Endo/Exothermic Reactions
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Can compressed air safely pressurize gasoline without causing auto-ignition?
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How Does Mode Shape Influence Forced Vibration?
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Can a cylinder float up through a hole?
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Determining the center of mass experimentally
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Step down transformers & efficiency?
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Sonoluminescence experiment help
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How Long Would a 10 Light Year Tall Domino Take to Reach Impact?
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Advantages of Radian Measurements
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What is Energy? - Physics Forum Introduction
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Hydraulics Question: Seeking Explanation on Self-Running Machine
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If you could make your mass=0, would you begin moving at c?
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Math behind tipping/toppling a column or vertical structure
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How to Measure Height of Clouds with Binoculars, Camera, etc.
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Why the induced emf is always negative?
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Proving Archimedes' Principle for Sphere & Cylinder
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What Are the Fundamental Laws of Vibrating Strings?
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How does tension affect wave speed in different mediums?
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Solving Problems Using Ratios: Tips & Tricks
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Would CD change for a cylinder if the
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Physics Fun at Home: Share Your Ideas!
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Smallest Unit of Time: Planck Time Explained
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Is Gravity a Result of Other Forces at Work?
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What Are the Values of Young's Modulus and Poisson's Ratio for Sand?
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Can I Create a Vacuum with One Inlet and Two Outlets?
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What are the key factors in understanding crash testing?
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Double-Bagging - is there are real advantage for sharp contents?
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Can dissipated energy be harnessed through repeated friction?
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Negative Length: Implications & Meaning
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Can I Take Inflated Coffee Bean Bag on Plane?
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Where is has the other half of the energy gone ?
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Why does a hot or warm ice cube tray freeze quicker than one at 33*F?
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XRD of Deformed Steel Sample: Electropolishing Needed?
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Wood fire in compressed air chamber?
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Can Supercritical Helium Create Perpetual Motion at Subzero Temperatures?
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Why does my TV turn on by itself sometimes?
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What exactly happens in a conducting conductor?
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Why do waves increase in amplitude when approaching a beach?
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What Makes a Marker Lid Fly Across the Room?
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Dimensional Analysis: Separating Fact from Fiction
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Answer: Calculating Linear Force from 5000 lb-ft of Torque
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Gravitational force and density.
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Is there really no gravitational force at the center of a massive object?
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Windows Exploding: Science Behind the Scenes
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Could a 6ft Object Hitting Earth at 99% Light Speed Destroy It?
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Does a Roller Coaster Exit a Loop at the Same Speed It Enters?
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Calculating Roller Coaster Design for Physics Class
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Revolutionary Nano Gears: The Potential of Megaten Speed Bicycles
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Solving the Singularity Problem: Uncovering the Smallest Particles
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General version of fermi-dirac distribution?
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Tungsten Filament Emissivity Assistance requested
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Can Lightning Create a Sonic Boom?
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