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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.
Is Joseph Newman's Energy Machine a Hoax?
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Tesla's Dynamic Theory of Gravity: Unpublished and Unexplored
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Biefeld-Brown Electrogravity Theory- A hoax or something else?
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What is Nanotechnology?
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Any good Physics Interactive Programs out there?
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Is humid air really heavier than dry air?
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How Do Bayonet Connections Function in Cryostats for Liquid Helium Transfer?
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Strategy for destroying a 6 km wide asteroid
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Is this a formula or just nothing?
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Calculating Density Alttitude of Air knoing temp/baro/humidity?
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Feynman's Orange Riddle: Impossible or Not?
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Understanding the Gravitational Constant: Equation, Impact, and Controversy
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Galactic Alignment: Explaining 2012 Hype
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Is Solving Physics Problems the Only Way to Understand the Subject?
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Need Suggestions For An Experiment - Upper Division Undergraduate
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Dirty snow (snirt) & melting point
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Chosing appropriate letters (labels)
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What is your opinion about Arrhenius' announcement?
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What Would Happen If a Vacuum Tube Connected Earth and Space?
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Gravity's Race/ Contest Who wins?
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Fluid as a medium to transfer electricity
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What is the Unit 'a.u.' and How to Convert it to SI?
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Hubble mystery light puzzles astronomers
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Why do air bubbles form at the bottom of a glass of sparkling wine?
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What makes Saturday's full moon the biggest of 2009?
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Need help with astrophysics terminology
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Discover the Bicyclist's Paradox for a Memorable Holiday Adventure
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How Do You Calculate Gain in Sinusoidal Signals?
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Does Einstein's belief in a new ether contradict the principle of relativity?
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What Makes Gravity Such a Mysterious Force?
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How can I quickly and effectively clear frozen pipes in my home?
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Had we already abandoned falsifiability?
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Is Time Static Like Other Dimensions?
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Who Discovered Sun = Center of Solar System?
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Are Cosmologists Sheep or Crackpots?
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Brewing Wort: Calculating Boil Length for Desired Gravity
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Why Pursue a Unified Theory in Physics?
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Seeking easy to understand science facts behind simple experiments
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Daredevil Robbie Maddison completes Vegas jump
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Is a 100 kg Cotton Bag Heavier than a 100 kg Iron Bar?
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What Are the Practical Applications of Anti-Gravity?
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What's the probability of someone's getting thunderstruck
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Is There a Doppelgänger of You Somewhere in the Universe?
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Fundamental equations that are at the root of all physics?
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What happened to me? I have lost my love for Physics
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Question about naked swimming at great depth after pressurisation
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A Physics Opera on TV tonight (USA)
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Why phase transition not possible in one dimension?
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Dual wave-particle' property of electrons
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Why is it so hard to reach the Moon?
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Factors Affecting Gravitation Constant: Understanding G in Cavendish Experiment
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What is the Meaning of 'w' in an EOS Equation?
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Schroedinger's Cat and Uncertainty
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Sailing Downwind Faster Than The Wind
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No-one knows the answer to the tenth question ('cept me)
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Force vs. Mass: Investigating Fundamentality
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  • Poll Poll
Testing IR Sensitivity: My Experiment
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Is Last Night's Sunset a Sign of the Green Flash Phenomenon?
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Understanding Dimensional Analysis: Simplifying Fluid Flow Equations
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What is the relationship between units of time and space in relativity?
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Shawyer's EMdrive: Lift a Car Against Gravity?
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What Are the Alternatives to Nanotechnology?
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Answer this if you know your physics?
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How do you make a near-perfect vacuum?
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Physics Olympiad US: Register by Dec 19th - Deadline?
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Wave energy ~ wave height squ. or wave amplitude squ.?
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Is Time Magazine Misrepresenting How Energy and Power Are Measured?
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Measuring cross-sectional area of a cable
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Physics Mobile Ruler: Understanding the Basics
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Can a super strong rope cut through the Earth's surface?
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Time - a Dimension of Physics or Mathematics?
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Got any physics-themed dish ideas for a cookoff?
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Explaining the Noisier Winter Wind Phenomenon
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What are Waves, Troughs, and Crests?
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Head First Physics - view book via Safari trial or Google
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What scientist predicted the end of physics in the late 1800s?
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Train goes through a tunnel your ears pop a little?
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Can you give a couple of examples of chemical energy?
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Goodbye Polaroid Film: Physics Labs Say Farewell
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Does a flag always have to be attached to a pole to wave?
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The Mystery of Earth's Opposing Tide
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Understanding Food as Chemical Energy
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How Does Energy Influence Our Understanding of Inertia?
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Why do noodles make the soup boil?
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Celebrating Success: I Passed My Physics Final!
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Bullets from a Jet Fighter Mach 3.2
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Is There a New Theory for Ball Lightning?
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A sonic boom sound vs explosion sound
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  • Poll Poll
How will Lightness do in December?
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Do you think Dumbo could actually fly?
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Does Observation Truly Collapse a Wave Function?
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How Does Liquid Helium Climb the Sides of Its Container?
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Static Electricity Woes: Solving My Jacket Problem
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More atoms in a cup of water, than cups in an ocean?
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Hawking Moving to Waterloo (Perimeter Institute)?
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How Does Physics in the 21st Century Address Its Sociopolitical Challenges?
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Diffusion of flavour in a fishing bait
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Is Stephen Hawking Moving to Canada for a New Position?
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Why Do All Three Faucets Turn On When I Operate Just One?
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'Photons only exist at the moment they are emitted or absorbed' ()
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