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Physics

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 Nice Answer
Answer score of 10 or more. This badge can be awarded multiple times.
Awarded 18649 times.
Why is the area covered by 1 steradian (in a sphere) circular in shape?
Awarded 6 hours ago
How can Voyager 1 escape gravity of moons and planets?
Awarded 11 hours ago
Classical approximation of coupling to a quantum bath
Awarded 12 hours ago
How projective representations can lead to 't Hooft anomalies in quantum mechanics?
Awarded yesterday
Why is momentum (instead of something else) the canonical conjugate of position?
Awarded yesterday
Why proper acceleration is $du/dt$ and not $du/d\tau$?
Awarded yesterday
Does Poincare recurrence show that Gibbs entropy is not strictly increasing?
Awarded yesterday
Dimensional analysis restricted to rational exponents?
Awarded yesterday
Advanced Composite Solar Sail (ACS3) Orbit
Awarded yesterday
Prove $[A,B^n] = nB^{n-1}[A,B]$
Awarded 2 days ago
Understanding the parabolic state of a quantum particle in the infinite square well
Awarded 2 days ago
What is the differentiating factor between work and heat?'
Awarded 2 days ago
Physical interpretation of gamma matrices
Awarded 2 days ago
Is John Nash's "Interesting Equation" really interesting?
Awarded Sep 8 at 22:07
How to raise and lower indices as a physicist would handle it?
Awarded Sep 8 at 12:40
Fusion September 2024: Where are we with respect to "engineering break even"?
Awarded Sep 7 at 19:18
How is it possible to know a proposed perpetual motion machine won't work without even looking at it?
Awarded Sep 7 at 17:05
Fusion September 2024: Where are we with respect to "engineering break even"?
Awarded Sep 7 at 8:23
Why do many people link entropy to chaos?
Awarded Sep 7 at 7:06
Why is entropy's definition useful?
Awarded Sep 6 at 21:07
Questions regarding the mention of a "flat, nonrotating earth" in NASA Reference Publication 1207
Awarded Sep 6 at 19:55
Has any astronomer ever observed that after a specific star going supernova it became a Black Hole?
Awarded Sep 6 at 14:05
Confusion about time dilation
Awarded Sep 6 at 11:02
Vacuum Expectation Value and the Minima of the Potential
Awarded Sep 6 at 9:50
Size and density of neutron stars
Awarded Sep 6 at 7:25
What does scale invariance or non-invariance of electromagnetism physically imply?
Awarded Sep 5 at 18:48
Has any astronomer ever observed that after a specific star going supernova it became a Black Hole?
Awarded Sep 5 at 2:05
How can coordinates be meaningless in General Relativity?
Awarded Sep 4 at 8:31
Why is it OK to keep the quadratic term in the small $\hbar$ approximation?
Awarded Sep 4 at 6:17
Conservation of the determinant of density matrix
Awarded Sep 3 at 16:42
How can coordinates be meaningless in General Relativity?
Awarded Sep 3 at 16:17
Christoffel symbols for Schwarzschild metric
Awarded Sep 3 at 15:28
Derivation of Rashba spin-orbit coupling in tight-binding model
Awarded Sep 3 at 12:35
All periodic phenomena should have quantized energy levels?
Awarded Sep 3 at 12:05
Can taut membranes and strings that are clamped at both ends propagate non-standing waves?
Awarded Sep 3 at 10:55
Feynman claimed "The ear is not very sensitive to the relative phases of the harmonics." Is that true?
Awarded Sep 3 at 3:09
Is it possible for an isolated quark to exist if it's bound to one or more non-virtual gluons to render the system color neutral?
Awarded Sep 3 at 2:00
What is the Spectral Form Factor?
Awarded Sep 3 at 1:28
What happens to entropy during compression?
Awarded Sep 2 at 16:56
Doesn't counting hole and electron current lead to double-counting of actual current?
Awarded Sep 2 at 12:13
Does a book get lighter if you rearrange the letters?
Awarded Sep 2 at 10:49
Do Maxwell's equations imply that still charges produce electrostatic fields and no magnetic fields?
Awarded Sep 2 at 10:49
Why do race cars accelerate faster than jets?
Awarded Sep 2 at 7:51
Doesn't counting hole and electron current lead to double-counting of actual current?
Awarded Sep 1 at 22:55
What counts as the Earth's mass? At which point would it increase or decrease?
Awarded Sep 1 at 22:33
Really how can an observable quantity be equal to an operator?
Awarded Sep 1 at 16:56
How are the Pauli matrices for the electron spin derived?
Awarded Sep 1 at 9:36
Understanding Feynman's argument about Stevinus
Awarded Sep 1 at 3:46
How is it possible to know a proposed perpetual motion machine won't work without even looking at it?
Awarded Aug 31 at 22:41
How is it possible to know a proposed perpetual motion machine won't work without even looking at it?
Awarded Aug 31 at 2:01
Why are complex coordinates outlawed in physics?
Awarded Aug 31 at 1:25
Is the spectrum of Hawking radiation identical to that of thermal radiation?
Awarded Aug 30 at 19:32
History of Electromagnetic Field Tensor
Awarded Aug 30 at 16:55
How long does it take to achieve buoyancy in a body of water?
Awarded Aug 30 at 15:57
Interactions and scattering length in Feshbach resonances
Awarded Aug 30 at 14:56
How is it possible to know a proposed perpetual motion machine won't work without even looking at it?
Awarded Aug 30 at 13:27
Why are complex coordinates outlawed in physics?
Awarded Aug 30 at 8:18
The size of elementary particles
Awarded Aug 29 at 16:39
The size of elementary particles
Awarded Aug 29 at 16:25
Using Thin Lens Equation to find how far 1972 Blue Marble photo was taken
Awarded Aug 29 at 16:25
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