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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 Many Significant Figures Does Physics Agree On?
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Question about physics in general, and its weakness
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Are lay person questions annoying to professional scientists?
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How and why does everything in life reach equilibrium?
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Drinking Water from the First Floor with a Long Straw
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Uncertainty in Measurement (Question)
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Experimental Values vs. Theoretical Values
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Is Energy Really Just a Force that Moves Objects?
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Identifying Sounds: Apparatus Needed?
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Paper on Unified Theory of Superman's Powers
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Please tell me I made the right choice ;)
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Clarifying the Relationship between A and B
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Could the Laws of Physics Be Self-Defining?
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Is molten iron a good conductor of electricity?
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How to Determine Significant Figures in Multiplication/Division?
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Trying to find some rheostatic fluids
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Is the component of a vector still a vector?
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Physical meaning of multipication?
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Are Grain Dust Particles Explosive Due to Static Electricity?
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Zero Force Propulsion: A Futuristic Concept?
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Meters to the -3rd Power: 5.1*10^-5m
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Is v=f lamda true in every circumstance?
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Which Definition of Physical Quantity is Clearer and More Accurate?
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What made you begin to love physics?
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Who is your favorite scientist, and why ?
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Where Do the Atoms for a Fetus Come From?
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Can anybody let me know in detail about time and its measurements.
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Can Our Voices Really Be Stored in the Atmosphere?
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Giant Straw: Will Earth's Atmosphere be Sucked Out?
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Could Einstein's Revolutionary Ideas Be Published Today?
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Coffee grains are hard to clean up
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Why do coffee grounds fly out of the grinder?
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Youtube - Great Science/PF Related Videos.
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Properties of Vacuum: What Is It Made of?
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The Fundamentals of Gravity: Examining its Place in Nature
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What are some specific examples of emergence?
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News Government a non-conservative force?
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Collection of free physics and mathematics video lectures
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The science of flying molten tungsten
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Who Really Invented Television: Zworykin, Farnsworth, Tihanyi, or a Combination?
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Solving the Crime Scene Riddle: Can You?
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Calculate Mass From Weight: Easy Conversion Guide
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  • Poll Poll
How many hours a day do physicists spend with their girlfrields?
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Punching Holes in Trees: A Faster Method for Horticulturists | Woodman's Query
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Can Anti-Gravity Globes Work Upside Down?
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Studying Physics: Memorizing Formulas
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What is BP Invigorate and What Makes It Different?
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Why Are Lost Aircraft Difficult to Track Despite Satellite Technology?
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Lee Smolin: Math & Time - Fascinating Insight
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Properties of Waves and how they relate to Music
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Is the Resultant of Combining Unit Step Functions Still a Unit Step Function?
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Kirth, Kerth, Kurth (SP?) Phase?
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What are Some Units I'm Studying in Grade XI Physics?
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How to Block a Wireless Router Signal: Help Needed
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Noisy Vacuum Cleaners: Is There Such a Thing as a Silent One?
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Did Feynman Smoke Cigarettes? - Answers Here
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Help finding topic for Independent Research
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What range of frequencies can be generated by blood flow
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Can some one who understands gravity explain this?
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Worst Electrical Conductor Metal: What to Know?
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Is there a type of liquid that is less dense than a type of gas?
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Why can't we always add quantities with the same dimensions?
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Solid angle or steradian for measuring
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What Are the Best Grade 11 Physics Review Sites?
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Formula Manipulation Basics: A Beginner's Guide
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Fundamentals of Physics- Gold Standard in another language?
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Calculating Wave Velocity in a Stadium
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Does anybody know who first derived this equation?
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Is Time Travel Discussion Allowed in Physics Forums?
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The Physics of Pneumatic Office Chairs and Soap Bottles
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If all of the polar ice caps melted
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Gravitons Observed? University Discovery June: Details & Link
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Scientific Notation Anomaly Explained
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Formula Database - Free Physics & Math Formulas Online
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Were any 'breakthroughs' in particle physics
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Power over Fiber residential application
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MHD Energy Equation: Comparing Formats
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What is the size of a point? Or, what is a particle?
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Doppler Effect: How Does the Ambulance Siren Vary?
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Why Does the Newfound Planet WASP-17 Orbit Backward?
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From Cat Paradox to Multiple Worlds: What Gives?
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What is the difference between laminar and turbulent flow?
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Which branch of physics is the most fundamental one?
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Are Physics Formulas Always Approximations?
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Not sure if this belongs here, but if someone would be kind enough
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Packing Fraction of Cylinders - Answers to Your Questions
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Bob Jones University (BS in Physics)
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Glue a thin sheet of copper to a cork?
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What is delta-correlated Gaussian noise?
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Where are the velocity extremes in a radial gravitational field?
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Dying from rapid depressurization- possible?
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Why everything is shaped like a circle?
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Combining two decibel values vs dissimilar values
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Where Can I Download Free Science Books?
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Paradox which questions time travel to the future
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Why does Physics attract crackpots?
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Can Teleportation Solve Our Environmental Problems?
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Antimatter Bomb: Real or Fiction?
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Explain the 90 degree rule in Billiards
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Can Anything Float in a Superfluid?
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