The True Science of Parallel Universes
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Everyone loves the idea of parallel universes - maybe it's the appeal of an ideal worldwhere you have second chances and things turn out differently - an alternate reality whereyou do get into Hogwarts and the Star Wars prequels aren't made and you finally plugin your asymmetric computer cord correctly on the first try... but is there really aplace in science for such wistful speculation?I mean, if "the universe" is everything that there is, you can't have two versions of it,right? Otherwise the pair would really be everything and what you started off callingthe universe, wasn't.The problem here is terminology: physicists speaking informally often say "universe" whenthey really mean "observabl...
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Everyone loves the idea of parallel universes - maybe it's the appeal of an ideal worldwhere you have second chances and things turn out differently - an alternate reality whereyou do get into Hogwarts and the Star Wars prequels aren't made and you finally plugin your asymmetric computer cord correctly on the first try... but is there really aplace in science for such wistful speculation?I mean, if "the universe" is everything that there is, you can't have two versions of it,right? Otherwise the pair would really be everything and what you started off callingthe universe, wasn't.The problem here is terminology: physicists speaking informally often say "universe" whenthey really mean "observabl...
