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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 world where you have second chances and things turn out differently or an alternate reality where you do get into Hogwarts. But is there really a place in science for such wistful speculation? Minute Physics digs into the science of parallel universes. 

What are the three types of models for the universe that the word “multiverse” refers to?

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