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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 The mouse and the cherry blossom, not random change
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Gravitational waves pioneer Ronald Drever dies
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High School What Does ± 5° Scatter from a Straight Line Mean in Graph Analysis?
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High School Comparing Calculated Models to Real-Life Situations
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High School How does charging and depleting a battery makes it last longer?
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Undergrad Estimating UVA & UVB from UVI index
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Undergrad Do perfect squares exist in physics?
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High School Negative deviation in PV vs P graph
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Undergrad Why is Stokes flow time reversible?
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Graduate Josephson's going astray of mainstream physics
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News RIP Mildred Dresselhaus: Celebrating a Life of Scientific Achievement
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  • Poll Poll
For physicists, what area do you specialize in (revamped)
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Graduate How Can Scientists Effectively Communicate Complex Concepts to Non-Experts?
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Undergrad Can a Single Speaker Effectively Direct Low Frequencies?
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Undergrad Can anybody give me a list of all cross products in physics.
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High School What is the true definition of energy?
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Graduate Modeling diffusion and convection in a complex system
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Undergrad Revolutionary Physics experiments that changed the world
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High School Gallium not becoming a solid again?
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Undergrad How far do vibrations from a vehicle emanate?Doppler effect?
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High School How to label displacement through time
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Undergrad Measuring the Volume of a Cup: A Scientific Analysis
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Undergrad Diffusion and convection in a moving fluid
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The correct pronounciation of de Broglie
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Least Exciting Areas of Physics: What Subfield Do You Find the Most Boring?
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Undergrad Who are the Iconic Characters in Physics and Mathematics?
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Graduate European gravitational wave detector falters
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Undergrad Can someone explain this? (bootstrap paradox)
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Graduate Who Should Decide on Funding for Physics Research?
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Undergrad Can a Brita Filter or LifeStraw Make Pool Water Safe to Drink?
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Insights Interview with Physics Mentor: Stevendaryl - Comments
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High School Why does ice piece sticks on hand but not wood piece?
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Slightly Physics related valentine's poem
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High School Why Do Drinking Glasses Break Suddenly?
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High School Which liquid would be the best to swim up in?
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Undergrad What is the formula for gas propane conversion?
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Undergrad Source for stock physics equations
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Undergrad Are There Inherently Negative Physical Quantities?
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High School Is 10Vpp Equivalent to 20dB in Signal Conversion?
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High School How fast will 120 psi travel through a 3 inch tube in mph?
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High School Physical requirements for Mars travelers
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Undergrad How do I correctly integrate the formula for deriving Posseuille's Law?
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Undergrad Nuclear war destroying the planet? Nukes vs Dino-Comet
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Undergrad The Mandela Effect: Possible lead?
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Undergrad Mysterious Flashes of Light in Dark Room
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Leonardo’s Perpetual Motion Machines
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High School Do all auroras occur in circles?
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Undergrad Physicists set to revolutionize big data, AI
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Music for Focusing on Physics: What Are Your Go-To Tracks?
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Undergrad The Normal Distribution - Random Errors
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High School Significant Figures: Why Leading Zeros Don't Count
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MHB Did you watch the PBS Space-time Math video on Singularities?
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Graduate Deriving Ekman Transport in the Southern Hemisphere
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Undergrad Wired article: Physicists will soon rule Silicon Valley
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Undergrad How many 400KB files will fit on 1mm^2 surface of hard drive
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Undergrad How does a physicist view mental phenomenons?
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Undergrad How to do the Dark Frame Subtraction? (camera imaging)
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Undergrad Trust me I'm a Photographer -- I have a question
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High School How is ħ pronounced and what is its significance in physics?
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Undergrad Switchable glass question (from transparent to a pure white)
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  • Poll Poll
(Physicists only): What area of physics do you specialize in
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What is the Funniest Research Proposal Ever Described in Physics Today?
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Insights Think You Know Stephen Hawking? - Comments
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Philosophiæ Naturalis Principia Mathematica
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High School Laplace Transform for Cosine Function: Can You Obtain a Transfer Function?
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Which Prominent PhD Astrophysicists Have Pursued Different Fields?
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High School If you had to make a perfect vacuum, version #2
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Undergrad Why Does Arranging Solar Cells in Series and Parallel Increase Power Output?
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Graduate Multi Gaussian beams explanation
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Undergrad Is Nuclear Fusion Really the Solution to Our Energy Needs?
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High School If we *had* to make a perfect vacuum....
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High School Why does an attractive force always have a negative sign?
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Undergrad Energy: What is it? Can Objects Be Made of It?
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Undergrad What is the Direct Solution of the Wave Equation?
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Undergrad Understanding the Amplitude of sin2x
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High School Simple error propagation questions
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High School Why is blood flow rate constant?
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Undergrad Mass Flow Rate Problem: Easy Unite Conversion Tricks
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Graduate Conductivity change of a tank (glass coating on steel)
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Undergrad Q: What Subscript Should I Use for Physics Quantity?
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High School I would like to get a feedback on this video
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Undergrad Odd use of terms (“stationary stochastic process”., etc.)
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What Do You Know About Oleg Lavrentiev?
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News RIP Pioneering Astronomer Vera Rubin: 88
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High School What else can UV rays be used for?
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High School Directed Energy: Low Intensity Applications
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Undergrad Spinning a penny is not a 50/50 chance event (but flipping it still is....)
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High School Is this a printing error? (book example problem -- radius of a molecule)
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Undergrad Simple suction air filter: items and preventing implosion
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High School Solubility of Gases: Questions & Answers
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Undergrad Question about science being applied to a baseball check-swing
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Can you really say "making" electricity?
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High School Is There a Physics Equivalent to Math-Atlas.org?
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High School EM Drive: Why Isn't Anyone Discussing It?
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High School Time: Physical Existence or Perception? Current Opinions
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High School How can I make an original cloud chamber?
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High School Scientific principle about major events
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Undergrad Air flow from atmosphere into a tank
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Undergrad Applying physics to economics/finance
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High School Can You Identify This Mysterious RF Signal at Night?
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