Could parallel universes exist? If so, what would they look like and how would they form? Video by Greg Kestin; article by Charles Choi. Receive emails about upcoming NOVA programs and related content ...
Almost anybody who has ever thought deeply about the universe sooner or later wonders if there is more than one of them. Whether a multiplicity of universes—known as a multiverse—actually exists has ...
Early in cosmic history, our universe may have bumped into another — a primordial clash that could have left traces in the Big Bang’s afterglow. Like many of her colleagues, Hiranya Peiris, a ...
Like many of her colleagues, Hiranya Peiris, a cosmologist at University College London, once largely dismissed the notion that our universe might be only one of many in a vast multiverse. It was ...
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Why quantum physics says there’s a multiverse
Most people think the multiverse is just about "what-if" scenarios – other versions of you where you took that job in another city or turned left instead of right. But to a physicist, the multiverse ...
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