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may 15 at 17:50
Is there something similar to Noether's theorem for discrete symmetries?
— Qmechanic♦
17.2k41648
may 13 at 15:24
What does a sphere moving close to the speed of light look like?
— John Rennie
44k12370
may 12 at 23:53
Is it possible to work on physics independently outside academia?
— dmckee♦
21.3k22670
may 10 at 22:37
How does Bell's theorem rule out the possibility of local hidden variables?
— G. 't Hooft
1,746717
may 9 at 20:44
Why is radioactive decay dependent on amount of substance available?
— Anonymous
11613
may 9 at 8:16
Why one-dimensional strings, but not higher-dimensional shells/membranes?
— Qmechanic♦
17.2k41648
may 8 at 6:48
In the Lennard-Jones potential, why does the attractive part (dispersion) have an $r^{-6}$ dependence?
— gatsu
55219
may 8 at 6:33
I reached a result concerning displacement with quantized time intervals. Am I on to something?
— David Zaslavsky♦
27.3k448112
may 5 at 21:49
If photon energies are continuous and atomic energy levels are discrete, how can atoms absorb photons?
— Terry Bollinger
5,259836
may 4 at 1:05
Is it pions or gluons that mediate the strong force between nucleons?
— Luboš Motl
67.7k466141
may 1 at 10:23
How can Ohm's law be correct if superconductors have 0 resistivity
— dmckee♦
21.3k22670
apr 29 at 20:26
How can Ohm's law be correct if superconductors have 0 resistivity
— Schlomo Steinbergerstein
501112
apr 29 at 19:21
What is the Standard Model equation which unified Strong, Weak, and Electromagnetism?
— Luboš Motl
67.7k466141
apr 26 at 15:47
Can something travel faster than light if it has always been travelling faster than light?
— luksen
3,289619
apr 24 at 14:48
Explanation that air drag is proportional to speed or square speed?
— Ben Crowell
6,1841334
apr 23 at 21:06
Does an empty refrigerator require more power to stay cold than a full one?
— dmckee♦
21.3k22670
apr 23 at 18:15
Why quantum entanglement is considered to be active link between particles?
— Tobias Kienzler
1,7501234
apr 23 at 16:59
Why is matter drawn into a black hole not condensed into a single point within the singularity?
— John Rennie
44k12370