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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.
What is the Effect Bifinda - Brauna and how can it help me?
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The Mystery of Time Travel: A Keen Amateur's Question | Physics Help
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Non-Euclidean Recommended books
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Mysterious Letter Sent To Fermilab
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Counting Raindrops in Wichita, KS
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Is Enthusiasm Enough to Thrive in Physics Forums?
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Imperial, metric, U.S. customary units
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Water-Filled Balloon Experiment in Zero Gravity: Interactions of Air Bubbles
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Why Does Time Expand? Spacetime Explained
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Is it possible to obtain a published paper for free through this forum?
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Most efficent Portable Energy sources
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Tea in Milk: Reasons for Floating Upwards
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  • Poll Poll
How Is the Smolin Impact Ratio Influencing Physics Research Trends?
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Who Created an Electromagnetic Anti-Gravity Field?
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What Are the Key Physics Concepts Discussed on Sciam.com and Physicsforums.com?
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Proposed US Budget A Major Blow to High Energy Physics
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Motorcyclist falls off but bike stays upright
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Area efficiency of Miles Per Gallon
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CERN LHC: Risk of "Doomsday" Destruction?
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I come to these forums for one thing and one thing only.
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Feynman Lectures: Is It Worth The Money?
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Chris Morris Visits the LHC (The Guardian UK)
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Is Time Travel Possible as Depicted in Movies?
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Is the glowing object always visible between 11pm and 12am?
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Why Do Systems Have Organization?
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Is Cold Fusion for real this time?
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News Global Warming based on solar flares?
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Is Null Physics a Legitimate Theory or Just a Crackpot Idea?
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Loop-String companionship at the 2008 Bad Honnef conference
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  • Poll Poll
String research down 33% in one year-ideas why?
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Human mind has a relatively large degree of freedom
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Inquiries on Vacuum Sphere: Spinning and Weight Difference
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Does Quantum Mechanics Disprove Causality?
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Consciousness of Double Slit Observer
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What Does Vc Mean? Kennedy Space Center Plaque
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Q: Is there a prototype vehicle that can go faster than the speed of light?
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Why is mercury a liquid even though its atoms are closely packed
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How the acceleration of gravity is almost equal to pi squared?
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How can you prove the earth is round?
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Anti-LHC Guy Walter L Wagner: Credentials & Misinformation
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Is This the Future of Space Communication?
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Which Software Calculates TE and TM Fields in a Two-Core System?
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A quote regarding entanglement, looking for an interpretation.
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Microphone in Vacuum: What Would Happen?
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Scalar waves, is this a complete fabrication?
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Understanding the Conversion: Pounds to Kilograms Explained
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Can Matter Truly Exist in Four States According to Einstein's e=mc2?
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Can Shooting Locks in Movies be Realistic?
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Are There Prefixes for Decimal Places Between the Commonly Used Ones?
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Can Nikola Tesla's Concepts Power a UFO-like Flying Vehicle?
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What software is recommended for graphic design and integration with LaTeX?
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Maximizing Solar Energy Output: The Role of Physics in Solar Tracker Design
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Free Video Lectures - Learn Calculus Online
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Can anyone give an approximation as to when CERN starts testing?
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Why the clock hands turn clockwise?
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Conversion from cm^{-1} to eV - Ask Here!
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Min. Tone Bar Size for Electromechanical Doorbell
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  • Poll Poll
Is the Big Bang No Longer the Beginning?
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Turn Off Gravity: Elevator at Work Mystery
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The Multiple Launch Rocket System and Rocket Noises
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Raman Microscopy: Best Way to Hold Micron-sized Polystyrene Beads
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What Is the Lawrence Berkeley Pocket Book?
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Mudwrestling Physics: Learn to Win Your Match
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  • Poll Poll
Citation to string has crashed-any idea why?
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Famous Overweight Physicists and Mathematicians
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Nobody complains about physicists' math?
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Willis Lamb 1913-2008 | Physicist & Nobel Laureate
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Say Hi to Web Developer from Philippines Interested in Physics
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I need to create a demonstration
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How does one pronounce de Broglie ?
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Table Tennis Problem: Explaining Edge vs. Side to Friend
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Treasure hunting metal detectors
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Will time travel ever come to an end?
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What are the implications of neutrino mass on the universe?
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Einstein or Newton, the better man?
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Photons and neutrons [Pseudo-science warning]
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What Determines the Characteristics of a Wave?
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Where Can I Find Additional Material on the 1957 Eshelby Inclusion Problem?
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Does a piano string slowly stretch (creep) over time?
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Comics can be educational. somewhat
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Are Physics Equations Always Exact?
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Calculate Calories Burned from Climbing Stairs
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Trends in physics, esp. new fundamental-a calm place to discuss trends
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Defining the True Value of an Experiment
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Where do the best physicists work?
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Generating a Secondary Gravitational Force Field - US Patent 3,626,605
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Science Challenge: Prove these magnets won't move
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Is Michael Dine a Renowned Figure in the String Theory Community?
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Crackpot Index & Leading-Edge Research: Applying It?
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What are Love waves and why are seismologists studying them?
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Discover the Science Behind the Noises of Clapping Hands | Explained by Mayday
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Why Are Sine Waves a Function of (t-(x/v))?
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Order vs Disorder: Understanding Entropy and Life
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Discover the Most Stable Structure and Learn Why It Stands Strong
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Understanding the Kilogram: Definition, History, and Future Implications
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How Can You Measure the Speed of Light with Chocolate?
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How Much Anti-Matter Would it Take to Move Venus?
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A good store to buy science fair materials?
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Any tips for surviving a Physics Midterm?
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Ball Dropped in Tunnel Through Earth: What Happens Next?
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