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This badge has been awarded 1279 times. Recently awarded to:
1d ago
The speed of gravity? — Carl Brannen 6,54721237
2d ago
Why can Hiroshima be inhabited when Chernobyl cannot? — Jim 1,230219
may 17 at 12:24
Why doesn't light kill me? — Brandon Enright 2,474526
may 17 at 3:01
Why doesn't light kill me? — Martin Beckett 11k1030
may 15 at 17:50
Is there something similar to Noether's theorem for discrete symmetries? — Qmechanic♦ 17.2k41648
may 15 at 15:09
Why doesn't a bus blow due to internal pressure? — Chris White 7,92611835
may 15 at 2:30
Is it 11% hotter today than it was yesterday? — Ben Crowell 6,1841334
may 14 at 23:59
What is the mass density distribution of an electron? — David Zaslavsky♦ 27.3k448112
may 14 at 18:58
What causes a soccer ball to follow a curved path? — RedGrittyBrick 1,372110
may 14 at 16:42
A mirror flips left and right, but not up and down — Hans de Vries 2,223714
may 14 at 1:46
From where (in space-time) does Hawking radiation originate? — pjcamp 1212
may 13 at 22:21
What is known about the topological structure of spacetime? — Eric Zaslow 1,498312
may 13 at 20:30
QM and Renormalization (layman) — Ron Maimon 44.8k245121
may 13 at 15:24
What does a sphere moving close to the speed of light look like? — John Rennie 44k12370
may 13 at 13:38
Transition between 2D and 3D quantum systems — DaniH 1,266419
may 13 at 8:21
Does a guitar sound different in zero (or micro) gravity? — Chris White 7,92611835
may 12 at 23:53
Is it possible to work on physics independently outside academia? — dmckee♦ 21.3k22670
may 11 at 21:43
Why Won't a Tight Cable Ever Be Fully Straight? — Alfred Centauri 5,6291415
may 11 at 0:18
Why is cold fusion considered bogus? — Ron Maimon 44.8k245121
may 10 at 22:37
How does Bell's theorem rule out the possibility of local hidden variables? — G. 't Hooft 1,746717
may 10 at 11:24
Observables with transcendental eigenvalues — Greg Graviton 2,0141521
may 10 at 8:03
Why don't electric workers get electrocuted when only touching one wire? — Mike 88319
may 9 at 20:44
Why is radioactive decay dependent on amount of substance available? — Anonymous 11613
may 9 at 18:59
Is this a simple Lie algebra? — David Bar Moshe 7,6571924
may 9 at 18:38
Is the universe fundamentally deterministic? — Alex A 2588
may 9 at 16:03
“Slightly off-shell”? — Ron Maimon 44.8k245121
may 9 at 8:36
Redshifted from what? — Alfred Centauri 5,6291415
may 9 at 8:16
Why one-dimensional strings, but not higher-dimensional shells/membranes? — Qmechanic♦ 17.2k41648
may 8 at 7:04
Neutrinos vs. Photons: Who wins the race across the galaxy? — Ben Crowell 6,1841334
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 8 at 5:33
What papers should everyone read? — Jon 1,446311
may 7 at 11:10
Topological Charge. What is it Physically? — David Bar Moshe 7,6571924
may 7 at 8:04
Why does a supernova explode — zhermes 4,304619
may 7 at 1:47
The “Nerd Sniping” problem. Generalizations? — Henry 83357
may 6 at 3:36
What is the exact mechanism by which time dilates? — Mark Eichenlaub 19k33477
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 5 at 2:24
“Velvet way” to Grassmann numbers — Qiaochu Yuan 52429
may 4 at 1:05
Is it pions or gluons that mediate the strong force between nucleons? — Luboš Motl 67.7k466141
may 3 at 19:17
How do whisky stones keep your drink cold? — lynks 2113
may 3 at 14:46
How do whisky stones keep your drink cold? — Thomas Pornin 54916
may 3 at 6:08
Age of the Earth and the star that preceded the Sun — Luboš Motl 67.7k466141
may 1 at 12:49
Why can't Humans run any faster? — zhermes 4,304619
may 1 at 10:23
How can Ohm's law be correct if superconductors have 0 resistivity — dmckee♦ 21.3k22670
may 1 at 7:22
Why is the Earth so fat? — Mark Eichenlaub 19k33477
may 1 at 5:27
How can neutrinos “beat light”? — Michael Brown 5,429724
apr 30 at 20:09
Where do high-energy neutrinos come from? — Dario Alexander 17617
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 29 at 17:15
Difference between electric field and electric displacement field — genneth 4,014721
apr 29 at 6:47
a priori validity of $W=\int Fdx$ in relativity? — Ron Maimon 44.8k245121
apr 28 at 20:08
Path integral vs. measure on infinite dimensional space — Marek 11.4k1862
apr 27 at 19:05
A fly in an accelerating car — Terry Bollinger 5,259836
apr 26 at 21:54
Why don't we see solar and lunar eclipses often? — Jim 1,230219
apr 26 at 16:43
Why beauty is a good guide in physics? — 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
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