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Sean Carroll:
Distant time and the hint of a multiverse

TEDxCaltech · 15:54 · Filmed Jan 2011
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Cosmologist Sean Carroll attacks — in an entertaining and thought-provoking tour through the nature of time and the universe — a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.

Physicist, cosmologist
A physicist, cosmologist and gifted science communicator, Sean Carroll is asking himself — and asking us to consider — questions that get at the fundamental nature of the universe. Full bio
This talk was presented to a local audience at TEDxCaltech, an independent event. TED editors featured it among our selections on the home page.

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