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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 Vibration in jack: up and down movement
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High School Is it possible to calculate how much force is exerted on the ground and shoe midsole by your body while you run?
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Undergrad Is Geometrical Optics Essential for a Deeper Understanding of Light?
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High School Quasistatic condition for a process involving a piston in a cylinder
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High School Why are the relative fluctuations of intensive properties so small?
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High School How does output voltage of an electric guitar work?
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Graduate Electromagnetic Skrymion Created
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Undergrad Why does my ceiling glow in the dark?
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Insights Brownian Motions and Quantifying Randomness in Physical Systems
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Undergrad What Materials Can Shield Electronics from a 3-Tesla MRI Magnetic Field?
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Undergrad Hysteresis of a Compressed Solid
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High School Wi-Fi Interference: How Microwaves Can Affect Your Wireless Connection
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High School Dimensional analysis peculiarity
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High School Question about sig figs and rounding: How to handle when there are 2 parts to the problem?
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Undergrad Magnetic Resonance physics question: RF pulse role and 'in-phase'
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Graduate Bruker TopSpin import function in pulse program
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Graduate Free carrier density and the electron momentum relaxation time
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Graduate What materials, if any, are transparent to Long Wave IR?
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High School Matter/Anti-Matter in a Vacuum
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Undergrad Popular future physics beliefs that are completely wrong?
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Undergrad Decorrelation steps in Wolff algorithm
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Undergrad Pressure builds on its own inside this water tank?
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Undergrad Fiction Writer with question for research physicists - Looking for opinions and experiences with peer-reviewed publishing
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Undergrad Need to identify a physicist from a documentary on TV some years ago
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Undergrad Stable solutions to simplified 2- and 3-body problems?
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High School What will be the reading of this vernier calliper?
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High School Any examples of naturally occurring holograms?
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Undergrad Why can't we photograph magnetic lines of force emitted by planetary and beyond objects (like we can for the Sun)?
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Undergrad Can anyone tell me what these formulas in electromagnetism are called?
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Undergrad How can concentration gradient field come into existence immediately?
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Undergrad Increasing tone while mixing sugar in water
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High School List of Verdet Constants?
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High School How Does a Vacuum Affect Magnetic Fields?
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Undergrad Gravitational analog of electromagnetic force
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Undergrad Does Organic Matter Experience Gravity on the Moon?
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Undergrad Researchers find experimental evidence for a graviton-like particle
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Undergrad How to Calculate electron temperature of Arc Plasma?
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High School Could you use the Moon to reflect sunlight onto a solar sail?
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Undergrad Discussion about least squares method
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High School Does Energy Exist as a Physical Entity or Merely a Mathematical Concept?
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High School Calculating vacuum -- These numbers do not make sense
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Undergrad Replacing the Measurement standards (SI units)
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Undergrad What drives osmosis? (Statistics or Dynamics?)
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Undergrad Planck's Constant times the speed of light
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High School How is a magnetic field formed in a space surrounded by one pole?
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High School Why is My Homemade Cloud Chamber Not Working?
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Graduate Relation between Rosenbluth Potentials and Spitzer Resistivity
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Graduate How does phase of merging sines affect overall periodic tones?
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High School Interactive visualization of the Hopf fibration
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High School Too much energy -- thought experiment
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Undergrad Density fluctuations and the color of the sky
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High School Circular motion as a result of the Lorentz force
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Undergrad Any alternatives to Tracker from physlets?
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High School Question about the nature of an implosion of a vacuum chamber
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Undergrad Why was a HAM radio license required to operate early lasers?
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Undergrad NASA is seeking a faster, cheaper way to bring Mars samples to Earth
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Undergrad Biot Savart law gives us magnetic field strength or magnetic flux density?
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Undergrad Why charge density of moving dipole is dependent on time?
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High School I have a question about energy & ignoring friction losses
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Undergrad What Causes the Einstein - de Haas Effect in Iron Rods?
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Undergrad Effects of the centre of gravity on aircraft's stability
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High School Mean Free Path And Ball Bearings In A Box
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High School I have a question regarding temperature and the kinetic energy of molecules
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High School What ever happened to Classical Unified Field Theory?
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High School Can Earth or any spherical object in space act as a particle collider?
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Physics equations with the mathematical constant Phi?
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Undergrad Understanding Ewald's sphere in the context of X-Ray diffraction
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High School What is the physical significance of mass-time-length equivalences in physics?
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Undergrad How long would a tuning fork vibrate in vacuum?
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Graduate From Nyquist plot to real conductivity spectra (sigma)
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High School What is currently known about fields other than gravitation?
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Undergrad Gravitation In Higher Dimensions
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Undergrad Single-Slit Diffraction -- Deriving the relation for the minima
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Undergrad Is "scalar wave" a legitimate term?
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High School Speed of light and Euler's constant
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Graduate Can someone explain this statement on luminous transmittance?
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Undergrad What happens when an explosion occurs on the surface of the moon?
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High School Are there any unsolved physics problems?
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Undergrad Why is not possible to store electric energy from a Lightning?
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High School How would physics change if Planet 9 were a primordial black hole?
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Undergrad Superconductivity energy saved v Cooling/Heating energy loss
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High School Information sources and physics teaching
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High School Quanta Magazine Video on Biggest Breakthroughs in Physics in 2023
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Undergrad Maxwell's equations and the momentum of charge
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Undergrad Would aluminium foil increase copper tubing insulation?
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Does the Universe have a finite number of fundamentals to uncover?
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Graduate Effects of magnetic fields on material (Magnetic resonance)
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Undergrad Lost Energy from a Reciprocating Piston
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High School How does mechanical motion start at the deepest, smallest level?
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Undergrad What is the Uncertainty in the Total Weight of a Collection of Similar Items?
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Graduate Correcting units from this physics paper?
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Undergrad Confused about unit conversion involving natural units
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Undergrad How to calculate incident light on surface with multiple orientations?
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Graduate Photon Bouncing during APD Dead Time in Autocorrelation Measurement
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Graduate Unsolved Problems in Near Surface Geophysics
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Undergrad A question with regard to Hooke's and Kepler's laws
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Time crystals: They require energy added back into them?
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Undergrad Coherent two-photon lidar...does this mean lidar range is greater?
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High School What Is the Fourth Dimension and How Does It Work?
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High School Where the extra energy comes from?
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