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may 16 at 12:16
Is there something similar to Noether's theorem for discrete symmetries?
— Tobias Kienzler
1,7501234
apr 15 at 20:07
What makes running so much less energy-efficient than bicycling?
— Steven Roose
29528
mar 24 at 22:52
Rubber band stretched produces heat and when released absorbs heat.. Why?
— vijay143
12813
mar 24 at 22:52
Could someone jump from the international space station and live?
— Mathew Foscarini
269128
mar 24 at 22:52
What are the precise statements by Shouryya Ray of particle dynamics problems posed by Newton which this news article claims have been solved?
— Zev Chonoles
242313
mar 21 at 12:41
What is the upper-limit on intrinsic heating due to dark matter?
— Jess Riedel
362211
mar 17 at 15:03
Why are our planets in the solar system all on the same disc/plane/layer?
— Stephan Schielke
31528
mar 5 at 4:25
What causes insects to cast large shadows from where their feet are?
— OmnipresentAbsence
494112
jan 23 at 13:37
Trace of a commutator is zero - but what about the commutator of $x$ and $p$?
— Joe
1,059416
dec 15 at 19:34
Why does kinetic energy increase quadratically, not linearly, with speed?
— Generic Error
28836
dec 9 at 18:57
Is there a small enough planet or asteroid you can orbit by jumping?
— Ahmet Yıldırım
35827
dec 8 at 21:47
Don't heavier objects actually fall faster because they exert their own gravity?
— ErikE
22539
nov 11 at 18:42
Why does one experience a short pull in the wrong direction when a vehicle stops?
— Tobias Kienzler
1,7501234
nov 2 at 12:30
Superfields and the Inconsistency of regularization by dimensional reduction
— Simon
1,546726
sep 12 at 23:28
Does juggling balls reduce the total weight of the juggler and balls?
— adamdport
27228
aug 21 at 11:21
Why do people categorically dismiss some simple quantum models?
— G. 't Hooft
1,746717