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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.
Graduate Famous argument against alien life
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Say Hi to my Planetary Geophysicist niece
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Graduate Q about phyiscs of Liposuction (and Sonolumensence)
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High School Why Become a Physicist? - A High School Student's Curiosity
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High School How Many Significant Figures Does Physics Agree On?
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Undergrad Question about physics in general, and its weakness
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Are lay person questions annoying to professional scientists?
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Undergrad How and why does everything in life reach equilibrium?
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High School Drinking Water from the First Floor with a Long Straw
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Undergrad Uncertainty in Measurement (Question)
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Undergrad Experimental Values vs. Theoretical Values
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High School Is Energy Really Just a Force that Moves Objects?
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High School Identifying Sounds: Apparatus Needed?
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Graduate Paper on Unified Theory of Superman's Powers
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Please tell me I made the right choice ;)
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High School Clarifying the Relationship between A and B
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Graduate Could the Laws of Physics Be Self-Defining?
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High School Is molten iron a good conductor of electricity?
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High School How to Determine Significant Figures in Multiplication/Division?
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Undergrad Trying to find some rheostatic fluids
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High School Is the component of a vector still a vector?
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High School Physical meaning of multipication?
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Undergrad Are Grain Dust Particles Explosive Due to Static Electricity?
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Undergrad Zero Force Propulsion: A Futuristic Concept?
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High School Meters to the -3rd Power: 5.1*10^-5m
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Undergrad Is v=f lamda true in every circumstance?
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High School 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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High School Where Do the Atoms for a Fetus Come From?
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High School 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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High School Giant Straw: Will Earth's Atmosphere be Sucked Out?
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Graduate Could Einstein's Revolutionary Ideas Be Published Today?
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Undergrad Coffee grains are hard to clean up
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High School Why do coffee grounds fly out of the grinder?
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Youtube - Great Science/PF Related Videos.
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High School Properties of Vacuum: What Is It Made of?
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Undergrad The Fundamentals of Gravity: Examining its Place in Nature
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High School 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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Undergrad The science of flying molten tungsten
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Undergrad Who Really Invented Television: Zworykin, Farnsworth, Tihanyi, or a Combination?
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Undergrad Solving the Crime Scene Riddle: Can You?
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High School 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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Undergrad Punching Holes in Trees: A Faster Method for Horticulturists | Woodman's Query
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High School Can Anti-Gravity Globes Work Upside Down?
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High School Studying Physics: Memorizing Formulas
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What is BP Invigorate and What Makes It Different?
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Undergrad Why Are Lost Aircraft Difficult to Track Despite Satellite Technology?
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Graduate Lee Smolin: Math & Time - Fascinating Insight
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Undergrad Properties of Waves and how they relate to Music
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Undergrad Is the Resultant of Combining Unit Step Functions Still a Unit Step Function?
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Undergrad Kirth, Kerth, Kurth (SP?) Phase?
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High School What are Some Units I'm Studying in Grade XI Physics?
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High School 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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High School Help finding topic for Independent Research
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Undergrad What range of frequencies can be generated by blood flow
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Undergrad Can some one who understands gravity explain this?
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High School Worst Electrical Conductor Metal: What to Know?
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Undergrad Is there a type of liquid that is less dense than a type of gas?
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Undergrad Why can't we always add quantities with the same dimensions?
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Undergrad Solid angle or steradian for measuring
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High School What Are the Best Grade 11 Physics Review Sites?
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High School Formula Manipulation Basics: A Beginner's Guide
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High School Fundamentals of Physics- Gold Standard in another language?
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Undergrad Calculating Wave Velocity in a Stadium
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Graduate Does anybody know who first derived this equation?
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Is Time Travel Discussion Allowed in Physics Forums?
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Undergrad The Physics of Pneumatic Office Chairs and Soap Bottles
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High School If all of the polar ice caps melted
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Gravitons Observed? University Discovery June: Details & Link
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Graduate Scientific Notation Anomaly Explained
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Formula Database - Free Physics & Math Formulas Online
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Undergrad Were any 'breakthroughs' in particle physics
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Undergrad Power over Fiber residential application
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Graduate MHD Energy Equation: Comparing Formats
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Graduate What is the size of a point? Or, what is a particle?
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High School Doppler Effect: How Does the Ambulance Siren Vary?
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Undergrad Why Does the Newfound Planet WASP-17 Orbit Backward?
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Graduate From Cat Paradox to Multiple Worlds: What Gives?
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High School What is the difference between laminar and turbulent flow?
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Undergrad Which branch of physics is the most fundamental one?
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Undergrad 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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Undergrad Packing Fraction of Cylinders - Answers to Your Questions
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Graduate Bob Jones University (BS in Physics)
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Glue a thin sheet of copper to a cork?
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Graduate What is delta-correlated Gaussian noise?
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Graduate Where are the velocity extremes in a radial gravitational field?
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High School Dying from rapid depressurization- possible?
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High School Why everything is shaped like a circle?
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Undergrad Combining two decibel values vs dissimilar values
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Where Can I Download Free Science Books?
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Graduate Paradox which questions time travel to the future
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Why does Physics attract crackpots?
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