Physics

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Awarded 3269 times.
Violation of Lorentz symmetry on cosmological distances
Awarded 15 hours ago
Is there a time operator in quantum mechanics?
Awarded 2 days ago
What is the closest general-relativistic equivalent of a "time slice"?
Awarded Jun 6 at 13:20
Why does the air pressure at the surface of the earth exactly equal the weight of the entire air column above it
Awarded Jun 1 at 8:31
Why is my hand not burned by the air in an oven at 200 °C?
Awarded May 30 at 19:06
Why can't CO$_2$ mix back with the liquid after a soda bottle has been shaken?
Awarded May 29 at 6:46
Are electrons just incompletely evaporated black holes?
Awarded May 29 at 1:57
Work done in submerging a weightless sphere, I am getting exactly half the correct, can someone point out my mistake!
Awarded May 26 at 15:56
Topology and Superconductor Symmetry Breaking
Awarded May 24 at 17:28
Why is the stress on a body not a vector?
Awarded May 23 at 9:27
Relation between Wave equation of light and photon wave function?
Awarded May 22 at 21:11
Good reference on the parametrization of $SU(3)$ and $SU(N)$
Awarded May 22 at 21:11
Rotational oblateness
Awarded May 19 at 0:55
Is mass an observable in Quantum Mechanics?
Awarded May 14 at 11:42
Symmetry of the $3\times 3$ Cauchy Stress Tensor [duplicate]
Awarded May 12 at 19:34
Difference between live and neutral wires
Awarded May 12 at 10:55
What is the rigorous quantitative definition of the concept of "Energy"? [closed]
Awarded May 12 at 6:33
Linearized gravity and perturbation theory
Awarded May 11 at 21:36
Working with a Routhian for a specific system
Awarded May 9 at 10:06
Why are all my separable solutions orthogonal polynomials in $L^2$?
Awarded May 7 at 17:06
Why do I see a rainbow when I look at Insulfilm with my sunglasses?
Awarded May 7 at 13:22
Questions about the Dyson equation
Awarded May 7 at 7:57
Tidal effect on interferometry
Awarded May 7 at 5:30
Excess charge on an insulator and conductor
Awarded May 6 at 21:10
Topological Quantum Field Theories
Awarded May 4 at 12:55
If two ultra-relativistic billiard balls just miss, will they still form a black hole?
Awarded May 3 at 15:33
How can super massive black holes have a lower density than water?
Awarded May 3 at 8:25
Can Planck's constant be derived from Maxwell's equations?
Awarded May 3 at 2:05
What is the 'super' parameter of superconductivity and what is the role of Cooper pair?
Awarded May 2 at 10:40
Was Stephen Hawking's explanation of Hawking Radiation in "A Brief History of Time" not entirely accurate?
Awarded Apr 30 at 23:25
Multiple colliding balls
Awarded Apr 29 at 21:52
What exactly is a bound state and why does it have negative energy?
Awarded Apr 29 at 19:33
Why is it impossible to measure position and momentum at the same time with arbitrary precision?
Awarded Apr 25 at 15:26
How to prove that a motion is Simple Harmonic Motion (SHM)?
Awarded Apr 20 at 2:35
Cooling a cup of coffee with help of a spoon
Awarded Apr 19 at 15:51
Interference at the focus of a convex lens or a concave mirror
Awarded Apr 19 at 14:57
Divergence of Cauchy Stress Tensor [closed]
Awarded Apr 18 at 2:25
Logical connection of Newton's Third Law to the first two
Awarded Apr 16 at 12:02
Physical meaning of the Lagrangian function [duplicate]
Awarded Apr 15 at 21:31
Could you please give an intuitive definition of chemical potential?
Awarded Apr 14 at 21:48
Is the reason why water in a cup rises if a solid is placed within it the ideal gas law?
Awarded Apr 12 at 21:51
Why is the covariant derivative of the metric tensor zero?
Awarded Apr 12 at 12:03
Can we have physical quantities which have magnitude and direction but are not vectors?
Awarded Apr 12 at 9:35
How does lightning "know" where to go?
Awarded Apr 10 at 18:17
Why is there a gravitational attraction between two objects at rest with respect to each other?
Awarded Apr 8 at 14:58
Can strings go faster than light?
Awarded Apr 8 at 1:12
First and Second Moment of Mass
Awarded Apr 7 at 6:17
Square bracket notation for anti-symmetric part of a tensor
Awarded Apr 7 at 4:35
Infinitesimal Lorentz transformation is antisymmetric
Awarded Apr 6 at 15:20
What is a field, really?
Awarded Apr 4 at 6:15
How can I solve this quantum mechanical "paradox"?
Awarded Mar 30 at 12:25
Is electricity instantaneous?
Awarded Mar 29 at 18:20
A wobbly pan on an induction cooker, is it less effective?
Awarded Mar 29 at 2:26
Why does kinetic energy increase quadratically, not linearly, with speed?
Awarded Mar 28 at 2:42
What is counterportation for the layman?
Awarded Mar 24 at 21:27
If a gas has higher entropy than a liquid, why do liquids exist?
Awarded Mar 21 at 9:40
ode with cross product
Awarded Mar 21 at 4:34
Entangled electron-positron pair
Awarded Mar 19 at 20:15
Why can't we ascribe a (possibly velocity dependent) potential to a dissipative force?
Awarded Mar 19 at 18:36
Why atmospheric pressure does not influence vapor pressure of water but only temperature does?
Awarded Mar 13 at 21:51
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