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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.
Lets make something fly How to build a plane
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Is it common to have dimensionally wrong equations in physics?
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What Is This Mysterious Physics Equipment?
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How do hammer and nails transfer energy?
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The Mystery of c^2 in Einstein's Famous Formula E=mc^2 Explained
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QFT/GR whats the problem? I can't see one
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Volume of Gas by Burning Gasoline
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Is there a science called BioGeometry and what is it about?I have
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The Strand Model of fundamental interactions
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Understanding Equilibrium: Analyzing Two Boxes in Balance
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Watch 8th Star Trek Movie - Champagne Bottle Impact
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Can a Floating Tensegrity Sphere Support a Mini-City in the Sky?
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Is Centrifugal Force Real or Fictitious?
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Nagasaki Atomic Mushroom Cloud Ring: What Caused It?
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Could Lucy's Train Antics Really Happen According to Physics?
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How would a 2 dimensional intelligence find out the world has 3 dimensions
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Is Information Equivalent to Energy According to Landauer's Principle?
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Help Union Labor at Convention Center
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1D three-body problem (with spherical shell)
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Doubt about differential Gauss's law
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If you scratch a piece of metal, does it weigh more?
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Using Dirac Delta Function to Determine Point Mass Density
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What Is the Typical Educational Background of Readers Here?
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Does a full 3TB hard drive weigh more than an empty one?
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What causes the strange gravity effects on the Moon?
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Looking for a compressed air formula
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Can You Get Shocked with Flow of Electrons?
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What Are the Most Plausible Theories for Time Travel?
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New Proton Measurements: 4% Smaller - Implications
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Explain when will upthrust change?
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Is the time average of a sin function = 0?
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Is Matter Really Composed of Pixels?
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Is my physics course following acceptable standards?
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Can Spin Angular Momentum Keep Satellites Oriented Towards Earth?
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KG and SEC as the basis of all units?
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Why time is a separate physical quantity
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Is the world of anti-matter a possibility or just a fictional concept?
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Calculating young's modulus from data provided
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Antenna reception affected by person.
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Modelling forces acting on a sail
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Can someone explain Pulsars and Quasars?
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  • Poll Poll
Can Electrons Create an Invisible Wire?
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Why Does Physics Use 1/e for 'Lifetimes'?
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Is Negative Matter the Same as Antimatter?
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Questions on Raman Effect and its Clarifications
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Everything depends on gravity and mass
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Capillary force when immersed in liquid
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Physical significance of wavenumber
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I would link to know about tide force and manetic force
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Is it possible to conserve gravity ?
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What Does Standard Mean in SCCM Gas Flow Rate?
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Colour (RGB/HSV/HSL) to wavelength.
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Is the value of gravity always constant?
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Applications of elliptic integrals
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What is the significance of the charge density in Gauss's law?
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Human Antenna: Improving Poor FM Reception in Hilly Locations
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Lecture Notes - Introduction to GR
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Learn Tensor: 4 Books to Start With
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What is the Relationship Between Potential and Kinetic Energy in Physics?
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Horton Hears a Who and the Whos hear
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Why is V(R) < 0 for discharging in RC circuit?
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Zener Diode Regulator: Why Output Voltage Drops?
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Efficient Energy Generation: Can We Create a Reality Drive?
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Why Did Ancient Astronomers Believe the Earth Was Round?
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Witnessing Colorful Interference Patterns with a Benham Top
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I am trying to set up a model using calculus in physics and I need assistance?
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  • Poll Poll
Is an Ion Bomb a Real Possibility or Just Technobabble?
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Bizzare idea, I need expert opinions?
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Are there really only 4 grains of salt in the entire universe?
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Can We Really Predict the Future by Exceeding the Speed of Light?
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Did My Lecturer Make a Mistake in this Physics Equation?
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Is Computation Merely a Side Effect of Energy Transformation in CPUs?
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Finding Point for Adding Forces Acting on Object
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If the centrifual force does not exist then why?
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Why does wet cloth or mud appear darker?
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De Broglie wavelength and it's dependence of the frame of reference
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Another 2nd law Violation Thread
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How Does Air Temperature Change When You Pucker Your Lips?
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Variation of gravitation field strength?
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Two questions about school buses
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RGB Color Comparison: Find Closest Matching Color
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Tsunami Waves & Mechanical Wave Physics
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Questions about Repulsion Force: Is it Present & What Materials are Affected?
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Can Information be Transformed into Energy?
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How Can a Beginner Start Learning Physics Independently?
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Help us understand spectral transmittance
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What Are Engaging Physics Research Topics for High School Projects?
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Measure Person's Jump Time & Height: Weight, Force & More Tips
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Confusion over real and complex versions of the same quantities
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Welding & Blue Light: Is Nitrogen the Cause?
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Why does stainless steel float when coated with wax?
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Types of Forces: Push, Pull, Weight, Friction & More
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Does Gravity Between Smaller Objects Get Blocked by a Larger Object?
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Calculating force with only mass and distance known
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Could a Gigantic Straw Really Connect Space and Ocean?
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Is our universe a mix of both continuous and discrete elements?
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Is Warm Fluid Buoyancy Due to Particle Motion or Density?
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How do I calculate the individual interactions between two links of a chain?
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Radium 226 Dangers & Measurement: Facts & Safety Tips
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Harnessing G-Field Energy for Mass Creation
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