Every minute or so a cosmic ray muon goes through your body. If it weren't for relativity they would never make it down to Earth. A short from @OriginsProject podcast ( #Science# #Physics# #LawrenceKrauss# #relativity# #timedilation#

The physics books almost always get relativity wrong, as if it was just some revelation Einstein had, instead of being an implication he was forced to by Galileo and Maxwell. A short from @OriginsProject podcast ( #Science# #Physics# #LawrenceKrauss# #Einstein#

Einstein was forced to his conclusion that the speed of light was constant for all observers. The contradiction that changed 300 years of physics. A clip from this week's @OriginsProject podcast.( #Science# #Physics# #Einstein# #LawrenceKrauss# #Relativity#

A 12" ruler at rest, moving very fast relative to us, becomes 5" long for us. It isn't just perception. In science, reality is what you can measure. A short from @OriginsProject podcast ( #Physics# #Relativity# #LawrenceKrauss# #Science# #philosophy#