Rigid bodies are prohibited by relativity
Luboš Motl, Thursday, August 20, 2015 A vast majority of the answers I have posted on Stack Exchange did fine
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Автор: LightCone
Feynman sum over Young diagrams (discrete histories)
Luboš Motl, Saturday, August 15, 2015 A covariant definition of M(atrix) theory? One of the most important difficult outstanding problems
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One can’t unambiguously experimentally disprove the existence of a wormhole
Luboš Motl, September 21, 2015 Many people – including several famous physicists – find Maldacena’s and Susskind’s ER-EPR correspondence hard
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