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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 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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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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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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Undergrad Where can I find explanations about physics applications in real life?
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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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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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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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Undergrad Analog to Biot-Savart for E field
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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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Undergrad How Do Helmholtz Coils Affect Electromagnetic Beam Transmission?
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Undergrad Unidentified Luminescent Phenomena (ULP)
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Undergrad Gravitational field modulation of a moving mass
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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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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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Undergrad Can you detect the Earth's Rotation Using a Hockey Puck on Ice?
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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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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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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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Undergrad How to find the value of a constant experimentally?
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Undergrad Vacuum Drying Vegetables w/ IR Heaters: Investigating Increased Batch Time
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Undergrad Measuring Model Rocket Velocity: Is it Possible?
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Undergrad Is the mass of a photon stationary in space?
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Undergrad Surface Absorptance Without Radiant Emittance
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Undergrad How to do resistance (spot) welds by using arc/TIG welder?
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Undergrad Vacuum force factors (vacuum created by a "flow through" liquid)
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Undergrad Why NAND & NOR Gates are Necessary for LATCH Circuits
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Undergrad Analysis of data from previous experiments
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Undergrad The Possibility of Faster-Than-Light Communication?
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Undergrad MP2 vs. HF Method Explanation for Beginners
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Undergrad Why Do I Get Electrically Shocked by Metal Objects?
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Undergrad Focussing on the Treadmill of Veritasium's Blackbird faster than wind
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Undergrad Are there inherent limits to Interferometer size?
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Undergrad The logical impossibility of proving that indeterminism is true?
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Undergrad What is the smallest possible state change in the Universe?
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Undergrad Separation of Plasma into positive nucleus and negative electrons
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Undergrad Magnus Effect experiment problem
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Undergrad Mathematics for dancing laser beam
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Undergrad Understanding Conventions in Engineering: The Role of Rules and Consistency
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Undergrad Why does metal moving though a magnetic field slow down?
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Undergrad Is "nondimensionalization" a misnomer?
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Undergrad F= - mg - kv ? (forces of gravity and friction on a mass)
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Undergrad Why Doesn't the McLaren Oil in Water Engine Work?
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Undergrad Why are the spectral lines weak in my hydrogen Geissler tube?
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Undergrad Magnus effect, what is the correct formula?
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Undergrad What type of problems do you like the most?
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Undergrad Does Memorizing 70,000 Digits Increase the Chance of Being a Bolzmann Brain?
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Undergrad Could the universe really be conscious?
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Undergrad Chaos theory has no fine edge -- does it fluctuate?
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Undergrad Regarding when to consider both laminar and turbulent flow
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Undergrad Pulling cable through underground ductwork.
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Undergrad AI Discovers Alternate Physics - What Do You Think?
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Undergrad Are Lab Experiments with Strong Magnetic Fields and Plasma Expensive?
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Undergrad What is the function of the air cavity inside drums?
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Undergrad Laplace's equation in presence of a dipole (perfect or physical)
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Undergrad Can you put out a fuse (fire) with a laser?
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Undergrad Infrared Photovoltaics: Powering Ham Radios & Cooling Earth?
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Undergrad Propagation of Angular Spectrum Code
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Undergrad Why does the effect linger with Glow in the dark?
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Undergrad Aviation Enthusiast's Tale of Ruining a Flight Sim
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Undergrad Lux-meter, candelas or lux, measuring nits in practice
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Undergrad Experimenting to Answer Research Q's
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Undergrad Reynolds Number and Turbulence: Why Does Increasing Density Affect Flow?
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Undergrad Exploring Energy in Astronomy: Kinetic, Potential & Mass?
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Undergrad Work done by a gas in a heat engine which compresses a spring
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Undergrad Trouble understanding the SI definition of 1 second
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Undergrad Higher Dimensional Time Implications?
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Undergrad Understanding iris electrode and iris doublet (Accelerator physics)
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Undergrad Mass & Density: Unpacking Feynman's Idea
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Undergrad Alternate expressions for the uncertainty propagation
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Undergrad Standard deviation and count rate
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Undergrad Discussing Information Theory with non-scientists
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Undergrad The Big Bang and the original size of Universe
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Undergrad Changing or breaking the most fundamental laws and symmetries?
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Undergrad What wavelength can penetrate soil to 15 feet?
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Undergrad What is meant by 'affine' model in physical sciences?
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Undergrad Explaining the Hierarchy problem for beginners
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Undergrad Are there any inexpensive spectrometers?
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Undergrad Is anything in the physical world infinite?
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Undergrad Propagation of uncertainty with some constants
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