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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 What Happens If Tachyons Are Detected?
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High School Electromagnetic force of Electrons
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Edward Witten and the Mathematical Multiverse?
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Physical Meaning of Time Inverse
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High School According to current physics, is vacuum still something or nothing?
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High School Is it the nucleus or a proton at the center?
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Undergrad Color Theory Equations: Additive Color Mixing & Analytical Luminosity
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High School Does this experiment prove that light speed is actually faster?
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Undergrad What are the most energetic lightning "superbolts" ever measured?
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Undergrad What Explains the Odd Behavior of the Four Fundamental Forces?
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Undergrad Why Do Physicists Use Gaussian Error Distributions?
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Ideas from previous Nobel prize winners
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Undergrad Entropy question involving our Solar System
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Undergrad Time travel is a fact or fiction.?
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9
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High School What material is best suited for making Chladni figures?
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High School Cryogenic storage dewars and EM waves
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Graduate Effects of a spatially nonuniform diffusion parameter
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High School Cooling the room with a ceiling fan and skylight window
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Graduate Relation of ionisation voltage vs. pressure for hydrogen
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Undergrad Measurement Science: True Magnitude, Error & Accuracy
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25
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High School Can EM Radiations Exist without a Source?
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Undergrad A problem with science media coverage
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High School Electrons, quarks and gluons made from something or nothing?
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High School Are these actually real electrons?
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Undergrad Usable energy from alpha particles?
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High School Which lines are the quark-gluon plasma?
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High School Protecting Your Computer from Solar Storms - Is a Faraday Cage Enough?
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Undergrad Propagation of uncertainty in the slope
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Undergrad Nozzle Reaction Forces: Explaining the Resultant Force
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Undergrad FTL Travel: The Matryoshka Paradox
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High School Launching into space without fuel -- Please bare with me....
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Graduate COMSOL Multiphysics- Mathematics
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Insights A Principle Explanation of the “Mysteries” of Modern Physics
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High School Question re photons/EM waves and the double slit experiment
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High School Implication of Goedel's theorems on physics
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Graduate LIF Spectrum: Understand 12 Branches & Subscripts
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Undergrad Does luminous efficacy differ between direct and reflected sunlight?
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High School How do we know what would happen if time reversed?
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Undergrad HVAC dehumidifier energy wastage
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Undergrad Preventing parasitics for wires?
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4
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Undergrad Fluids: Bernoulli's Equation Derivation Question
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High School How Does Viscosity and Turbulence Affect Fluid Flow Between Plates?
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Undergrad A ray crossing 2 media of different indices and energy conservation
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High School A layman's question about entanglement
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High School How does conservation of energy apply at the nuclear level?
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High School Is Photon Rotation Key to Solar Wind and Earth's Orbit Stability?
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Graduate Block universe and entropy increase
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Undergrad Why does entropy grow when a solar system is formed?
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Undergrad Are all symmetries in physics just approximations?
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Undergrad Can a single photon be reflected by a mirror?
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Undergrad Can the Principle of Least Action Unify Different Branches of Physics?
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High School Is time a consequence of 2nd law of thermodynamics?
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Undergrad Numerically solving Time-independent Schrödinger eqn. using Shooting algorithm
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Undergrad Can we calculate the efficiency and output of solar panels on an electron level?
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Undergrad What is the confusion surrounding time as a coordinate in general relativity?
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Undergrad Can Electromagnetic Fields Exist Independently of Charges?
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Undergrad Why high Q factors have low phase noise
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High School Symmetry of parity: Mistake in the experiment?
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Undergrad How to calculate the focal length and focal point of collimator?
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High School Popular talks by PhD students, May 27
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High School Radon testing my first basement (already has a mitigation system)
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Undergrad The Simulation Theory and the dangers of pop-science
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Undergrad How can artificial gravity be created for space exploration?
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Undergrad Telescoping antenna -- why is there a knob on top?
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Undergrad What are the biggest problems in the study of complex systems?
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Undergrad Two stage amplifier for a plastic scintillator
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Undergrad Left-right arrow in Einstein equation
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High School An arrow vane claim (fletchings as airfoils)
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High School Will Metal Obstruction Affect WIFI Reception of My Sonos One Speaker?
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Undergrad What is the secret behind Shi Yan Ming's extraordinary punching power?
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High School 'A Brief History of Time' question on gravity
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Undergrad Force required to open a swinging gate
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Graduate Thought Experiment: Aether Medium
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High School Is The Planck Length the smallest length possible?
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Undergrad Question about data analysis and error
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Graduate Is this solution for interstellar travel viable?
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High School Could Archimedes' problem have been solved a little differently?
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High School Why is fire colored orange and sometimes blue?
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Undergrad Are the Laws of Thermodynamics still applicable in modern physics?
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High School Why do we take k=1 in the derivation of F=k*ma?
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Undergrad Why is the Sabine equation considered an equation, but not a law?
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High School Can I Use GIMP to Edit My Checkerboard Images for Synthetic Schlieren Imaging?
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Undergrad Obtain the Density of State using the Green function
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Undergrad On spherical geometry and its applications in physics
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High School Can the human body affect a radio receiver?
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High School The Purposes of Physics: Understanding the Fundamentals of Nature
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Undergrad Irreversible Isochoric Process in a Cycle
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Undergrad Ignite Jupiter? Could Earthlike Planets Exist in Its Atmosphere?
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High School Is time a true variable in the scheme of things?
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Undergrad Why are some theories in physics falsifiable?
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High School Do you think quantified things exist in reality?
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High School Significant figures for special functions (square roots)
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Undergrad Valentine Monopole & Detector Constructions
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Undergrad Wheel physics -- which scooter would be easiest to get to school and back?
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High School Is the Concept of Vacuum in Physics Truly Lorentz Invariant?
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Undergrad Varying dimensional universal constants
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Undergrad Can Energy Be Measured Directly or Only Through Its Changes?
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Learn Thermodynamics of Material Purification & Entropy for Desalination
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What Does Path Mean in Quantum Mechanics and Quantum Field Theory?
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What Is the Self-Energy of an Electron?
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