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