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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.
Undergrad Fractals: Infinite Perimeters & Plank Scale
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High School Using CGS or SI Units: When to Choose?
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High School How Does a Mist Maker Create Mist?
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Struggling to Learn on Your Own? Get Guidance on Physics Forums!
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Undergrad Bad Physics in Movies: Proving Mathematically
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High School Discovering Seismology: Understanding Earth's Tremors
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Undergrad Wood vs Brick Homes: Which is Better & Why?
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Graduate Debunking the Universe's Origin with Simple Math for Non-Experts
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Open Book Exam Fiasco: Thermodynamics Without the Book
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High School What is the significance of plasma as the 4th phase of matter?
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High School Cathode Ray Tube: Positive End & Electrons Explained
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Graduate Gravity and Atmospheric Pressure: A Thought Experiment
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High School Why Do Some People Wear Summer Clothes on Snowy Mountains?
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Graduate Unveiling Rope Theory: A New Paradigm in Physics
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High School What Can We Learn About Physics From This Donkey's Predicament?
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Undergrad A material/ substance that does not allow the through it
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Graduate The Future of GR: Is Time Already Set?
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Greatest Science websites of 2006
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High School Stack poker chips in a staircase-like fashion
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High School John Baez's Crackpot Index: Unpacking String Theory?
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Physics of Immortality: 1994 Book Review & Analysis
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Undergrad Rail Gun using disposible camera's flash charger
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High School What Does XKCD Teach About the Right-Hand Rule?
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High School Questions About Air: Why Hot Air Rises & More
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Undergrad Is This Barometer Height Question a Hoax?
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Hutchinson Effect - What Do Folks Think?
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What fraction of physics bestsellers are Feynman?
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Anyone know the future uses of x rays within a hospital?
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High School What Is the Rocket Equation From a Non-Mathematician's Viewpoint?
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What Surprises Await in the CD Version of Feynman's Lectures?
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Undergrad How long did it take you to become competent at physics?
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Graduate Is Quantum Movement Similar to Teleportation in Subatomic Particles?
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High School Weight of 12 fl oz Beer Bottle | Physics Project Help
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For sure the stupidest question you'll hear this week
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Graduate How do know identify crackpot from real physics
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Undergrad Randy Kobes & Gabor Kunstatter - UWinnipeg Physics Dept.
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Graduate Us humans visualising the fourth dimensional line element
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Graduate Cutting objects at the molecular level
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Graduate Investigating Rogue/Freak Waves and Chaos Theory
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I am looking for a modeling software.
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Undergrad ITER: Nuclear Fusion Reactor Agreement Signed
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Undergrad Probability in Physics - Get Answers Here!
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High School What Are Some Great Physics Quotes for a T-Shirt Design?
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High School Stationary Wave Questions: Can Open Tubes Produce Them?
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Undergrad What is 2D Density? Understanding Mass, Volume, and Area in Relation to Density
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High School Preparing for Physics: Where to Start?
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High School What is impeadence of ionized air?
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High School Where can I find massless string for physics experiments?
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Undergrad How Does Nanotechnology Work?
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How can someone achieve invisibility?
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High School How Do Venturi Meters and Filter Pumps Work?
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Where Can I Find GCE A-Level Past Papers?
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High School Make a Guass Rifle in 3 Days: Simple Directions
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Color Me Physics: American Physical Society Coloring Book for Kids
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Undergrad Learn Physics: Best Book to Teach Yourself
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Undergrad Why Can an Equation Be Homogeneous but Incorrect?
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Undergrad What Miraculous Experiments Did Nikola Tesla Conduct in His 1899 Lab?
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Graduate Is the Universe Expanding in the Time Dimension?
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Foot Contact Time: Resources & Info
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Graduate What would a theory of everything have to say about its own existence?
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New Planet: Earth-Like | Would You Go?
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Graduate The Brain of Einstein: Insight into his Mathematical & Scientific Thinking
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Graduate Can My Theory Revolutionize Science Beyond Relativity?
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High School Parallax error - what type of error is it?
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Undergrad Is Gravity the Ultimate Source of Potential and Kinetic Energy?
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Graduate Uncertainty principle - epistemic or more?
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High School Investigating Matter, Mass and Molecules
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Graduate Metamaterial Electromagnetic Cloak at Microwave Frequencies
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High School Electric Burners: Strange Sounds Explained
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Graduate Looking for the physical properties of the skin
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High School What do the symbols in Physics Formulas mean? Help needed!
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Are You Ready for the Argonne Open House 2017?
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Graduate Can Antigravity Unlock Space Travel and Pollution-Free Energy?
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High School Question regarding System of Units
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High School What is the shoebox experiment illustrating parallel universes?
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High School Nikola Tesla: Inventions, Mysteries & Possibilities
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High School Noisy TV's: Is There a Reason for the High Pitch Sound?
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Tonight's Full Moon 12 Percent Bigger
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High School Physics Experiments: Constructing Investigation Design Report
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Undergrad Popular science sometimes feels meaningless
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Graduate Is teleportation the key to overcoming the Uncertainty Principle?
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Philidelphea Experment.Real Physics?
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  • Poll Poll
Is there a gender imbalance on PF?
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Undergrad Does Motion Affect Frequency in Sound Waves?
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Undergrad How Does Physics Influence Skateboarding Trick Inventions?
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High School What Does Matter Mean in Relation to Mass?
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Explore Fractals at the New Fractal Forum!
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Graduate Vibrations: Hell of a Class, My Teacher is Awesome!
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Graduate How does the Searl Effect Generator produce electricity from space?
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  • Poll Poll
Graduate Would something like this be possible?
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Graduate How does physics explain the origins of the universe?
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Undergrad AFM: Question about building one
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Graduate Are Atoms Concentrations of Energy?
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High School Opinions on International Baccalaureate (IBO) physics
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Graduate Getting information about a physics phd
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Graduate Official: PhD Student Now - Teaching Exercise Sessions for Physics Courses
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Rocket Scientist are not as smart as previously thought
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High School Discover the Best Lab Kit for Adult Experiments: Chemistry, Biology, and More!
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Graduate Time: An Illusion? - Julian Barbour's The End of Time
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High School How Does a Grade 12 Student Navigate Complex Physics Topics?
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