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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.
High School Problem with Vibration and Waves AP French?
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Undergrad Does 'Isolated' and 'Free' Mean the Same in Physics Context?
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High School Any book or website recommendations for learning physics?
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Mystery Generation of Dust Patterns from Grinding Wheels -- I can't explain it
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High School Quantity of matter, mass concentration, molar concentration
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Graduate Where does the energy for gravity come from?
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Graduate Is Distance Just an Illusion? The Philosophical Perspective
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High School Converting 1,602 ×10^−19 C to SI Unit Prefixes
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Graduate Radiation-Monitoring Reveals Interesting Data
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High School Why do waves move in a direction?
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Graduate What Factors Influence the Cooling of Magma Sills in Numerical Models?
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Graduate Is there anyone can explain the warp drive?
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Graduate Frame of reference and the varying mass problem
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Physics Riddle: The Fate of the Balance
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What Makes Physics So Fascinating?
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High School Inconsistency in Significant Digits
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Undergrad Why are spherical instruments not more common?
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Undergrad How to know the shape of a specific location on Earth?
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What are some unique physics-related tattoo ideas?
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Undergrad Connecting a 12v Control panel to a 24v Truck system
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High School What Are the Best Physics Resources for High School Students?
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High School Can speech be turned into music notes?
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Graduate Can a Pencil be Balanced on Its Tip in a Superconducting Magnet?
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High School Conversion pounds per square inch/pascals
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High School Accuracy & Precision: Definition, Understanding & Examples
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Why Are Some People Opposed to Physics?
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Undergrad How the mathematical wave equation was derived
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Graduate Is Energy Created at the Start of the Big Bang?
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Undergrad What Do Symbols 'R', 'S', and 'b' Mean in Aerodynamics Equations?
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Undergrad 1 mol of paper - how much is that?
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Question for those with a four-year degree in Physics
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Undergrad Calculating the latitude/longitude from known distance
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High School Equator and perpendicular bisector
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High School Capillary Action, Are there structures that aid it?
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Undergrad How are proportionality constants in physical relations determined?
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Undergrad Complex Vectors vs Normal Vectors
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High School Waves Coming Ashore Everywhere: A Universal Mystery
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Graduate Counterintuitive Results in Conduction Cooling Model
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Graduate Costliest physics material on earth?
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Graduate What is difference between vortex panel method and source me
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Undergrad Is Randomness a Myth in the Universe?
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Graduate Where is the mistake in this solution
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High School Estimating and Calculating Uncertainties
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Anything that does not depend for energy
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Graduate Is every physical theory non physical
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Graduate Given T-symmetry, what limits non-locality?
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High School Humidity definitions and measurement devices
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Graduate Understanding without using math
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High School Do All Elements in the Universe Have Mass?
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Graduate Errors & Consistency: Finding Agreement
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Can I get involved in an MIT Physics community?
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Graduate Can Einstein's Equations Explain a Sinking Locomotive in Bolivian Sand?
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MHB What Will the Restarted Large Hadron Collider Uncover About Dark Matter?
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Undergrad How Can %w/v Be Converted to pH?
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High School How Would We Measure a Second Without Clocks?
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High School Question about Significant Figures
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Graduate How Does DDWFTTW Work and What Are Its Key Principles?
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Graduate Trouble understanding definition of density of states
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News Crisis of Notation, italic or roman subscripts?
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Undergrad Best possible shape for the input controller?
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High School Sine wave relationship with physical waves
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High School Is Time an Illusion and How Does It Influence Our Sleep Patterns?
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Graduate Why can't a particle ever reach a non-terminating decimal form radian value?
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From black holes to superconductors: Stanford video
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Undergrad Is Optical Illusion a Misnomer in Physics Discussions?
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High School Stupid questions physics majors might ask
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Graduate What Would Happen if Earth's Core Suddenly Disappeared?
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When Physics Class Demonstration Goes Wrong
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Should You Leave Water in Your Vacation Home to Raise RH?
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Undergrad Left/Right Communication with Alien Race by Richard Feynman
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Undergrad Is it common for physicists to trash data?
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High School The source of all energy is the Sun?
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John Wheeler Biography: A Comprehensive Look
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Graduate Error propagation - partial derivative?
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Graduate Since they're too tiny for radio how would nanites communicate?
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Physics Podcasts: Interesting Options for Physicists
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High School Can energy transferred from one body to the other be of same form?
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Graduate Phasor analysis of transverse wave on a string
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Undergrad Is my understanding about energy correct?
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Graduate Is there such thing as one bit of information?
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Undergrad Creating a Flexible Cylinder with 0.01mm Holes: Material and Technology Guide
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Is the SAANI Software Available for Public Download?
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Graduate Experimental determination of Mean free path.
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Graduate Spectroscopic linelist question
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Graduate Resistance governed by the speed of the electron?
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Why Does Energy Exist in Our Universe?
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Undergrad What gases can be absorbed between 800 and 1000nm wavelength?
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Undergrad What Are the Key Concepts and Misconceptions About Resonance?
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Undergrad Seismic Wave Movement: Calculating Distance w/ Density & Force
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Undergrad How to convert Gallons Per Hour to PSI?
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Undergrad What is the difference between curly and derivative (d) sign
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High School Could a thing contain more than its volume can w/o overflowing?
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Undergrad Build a Vacuum Kiln from Shipping Container
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Undergrad Will Decreasing Stem Diameter Affect Seal Point?
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Graduate Why is the general form of the wave equation a second order partial derivative?
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Undergrad What mathematical factors influence the shapes produced in cymatics experiments?
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Undergrad Finding Harmonic Vibration from Frequency
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Undergrad Measuring density with ultrasonics
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Einstein on Matter & Energy: Debunking Misconceptions
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Undergrad Gases I could expect to see using an IR receiver
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