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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 Integrity of matter / space and time
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Undergrad Data collected from different devices: how to combine for analysis?
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Undergrad How Do ICBMs Accurately Reach Their Targets?
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High School Why is my small Bi-2223 superconductor not levitating or locking above magnets?
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High School Why Do Some Toxins Persist Despite Chemical Reactions?
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Undergrad Making LED bulbs safer: Health and LEDs
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Undergrad Trying to understand the inner workings of a solar cell
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High School Temperature of container, temperature of contents
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Undergrad Radiant Intensity from Radiant Power and Intensity Distribution
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High School Is it possible to boil water by stirring it?
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Undergrad What can we scientifically measure directly?
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High School Can we use a permanent magnet and a copper rod to create an electret?
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High School Why is the test charge always positive?
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Undergrad How Does Linkage Motion Affect Rotation and Yaw in 3D Space?
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Undergrad Restoring S.I. units to a Lagrangian in natural units
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High School Which science communicator do you find to maintain the most accuracy?
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Undergrad De Broglie Wavelength at rest: λ = h/p = h/0 when v=0?
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Undergrad Question about electromagnetics (waves and particles)
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Undergrad Questions about deriving generic equations/laws from specific equations/laws
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Undergrad Existential problem on Electromagnetism and the combination of Relativity and Quantum Mechanics
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High School Is a 0.040V Reading on a Strain Gauge Before Force Applied Acceptable?
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Undergrad Looking for a unified expression for energy in rotating systems
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Undergrad How was electronics propagation delay measured historically?
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Undergrad Applications for negative radiation pressure?
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Undergrad Flow rate calculation for laser cutting nozzles
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High School Does Microwave Energy Transfer Depend on Contents Inside?
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Undergrad How can tomographic image resolution be obtained using wifi sensing and imaging?
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Undergrad The best way to keep an office cool in the hot summer
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High School Need help with understanding time travel
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High School Why is the electron the only particle dominating technology?
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High School Where Do Electrons Go When a Battery Loses Charge?
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High School How Does Blackbird Leverage Wind Power to Move Faster Than the Wind?
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The effects of absolute zero temperature
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High School What Are the Project Goals for the Jiangman Underground Observatory (JUNO)?
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High School Moist air - does it rise or drop?
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High School Is Time a Fundamental Force in Physics?
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High School Is a Brain Wave Actually a Wave?
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Undergrad Where can I find explanations about physics applications in real life?
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Graduate SiC Vertical MOSFET channel length modulation
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Meaning of Multiplication and Division in Physics
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Undergrad Mass, Energy and a compressed spring
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Undergrad The multimeter is not displaying mv of strain gauge in circuit
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High School Question about real world examples of 2.7 megajoules
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High School Questions about the Universe: Positive & negative fields and effects
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High School Looking for help understanding string theory
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Undergrad A simple way to vizualize non-linear waves with a star Slinky toy
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Undergrad Entropy Real? End of Time? - Veritasium Video
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High School Frequency of EM Waves from Monitor for Black/White & Color Images
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Undergrad Velocity of a given planet relative to the Galactic Center
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Undergrad Is the position vector a real vector?
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Graduate Fourier coefficients relation to Power Spectral Density
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High School Why Does the Bathroom Have the Highest WiFi Signal Attenuation?
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Undergrad Analog to Biot-Savart for E field
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High School Is Ice-Nine a Real Substance or Just a Fictional Creation?
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Undergrad How is the Reynolds number derived (is my derivation wrong)?
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Undergrad Clarification required for some equations in the formulation of ideal Bose gas
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High School Thermal physics, COP upper bound for heat driven heat pumps
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Graduate Plotting Potential in Plasma Sheath
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High School Questions about climate and physics
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Can an iPhone placed inside a water tank receive wireless LAN signals?
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High School Prism Camera Lens: Expanding Visible Light Spectrum?
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High School In the equation x = x₀ + vt, 'x₀' means what?
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High School Could solar sails be used as turbines for power generation?
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Undergrad How Do Helmholtz Coils Affect Electromagnetic Beam Transmission?
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Undergrad Unidentified Luminescent Phenomena (ULP)
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High School How did fundamental charge thinking develop?
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Undergrad Gravitational field modulation of a moving mass
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High School Gravity waves and Planck's constant
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High School Entropy & Information Content: Examining the Difference
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Undergrad Is the light from Andromeda truly blue shifted?
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Undergrad Atomization and Evaporation: Understanding the Energy Exchange
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Undergrad Uncovering the Forces on Drum Lugs: An Engineering Design Exploration
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High School Heat transfer -- Several questions
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High School Head or Tails: The Question of Determinism and Probability
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High School Magnetic field coil ferrous material for loudspeaker
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Graduate Need help implementing finite difference method for BPM
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Graduate Solving this first-order differential equation for neutron abundance
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Graduate Radiation Friction: Solving Abraham-Lorentz Eq for Non-Physical Solutions
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High School Thermos Bottle: Stainless Steel Inside & Out - 24h Cold & 12h Hot
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Undergrad Potential energy of spin anti-alignment
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Undergrad Name for one kind of Czerny-Turner monochromator configuration?
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Undergrad Gravity does negative or positive work with cosmos redshift?
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High School Can Unlimited Energy Launch Objects into Orbit Using Accelerator Technology?
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Undergrad Can you detect the Earth's Rotation Using a Hockey Puck on Ice?
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Building a physics formula database -- Help please
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High School What does this distance of an atom mean?
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Undergrad Fabry-Perot Interferometer mirrors
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Undergrad The Method of Images (Electromagnetism)
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Undergrad Two mirrors to focus sunrays into a tiny spot -- possible?
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Undergrad Walter Lewin Demo/Paradox: Electromagnetic Induction Lecture 16
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High School What is the difference between a wave and a field?
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Undergrad Metal drinking cup is stuck inside a pressure cooker
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Undergrad Can Ground Penetrating Radar Help Locate Earthquake Survivors?
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Undergrad Is this the Fourier Number, or some other formula?
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High School What is the concept of Physics of Cymatics (of a liquid)
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How Can a Table Float with Buckets?
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Undergrad Why do rockets turn horizontally so soon after launch?
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Undergrad What is time in string/M-theory and Four-dimensionalism?
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Undergrad Why Isn't My Sonoluminescence Experiment Working?
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Graduate Uncommon Publications: Feynman & Sommer-Hipple
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