Distant time and the hint of a multiverse Sean Carroll on TED.com

At TEDxCaltech, 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. . (Recorded at TEDxCaltech, January 2011 at Pasadena, CA. Duration: 15:54)

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Watch Sean Carroll’s talk on TED.com where you can download it, rate it, comment on it and find other talks and performances from our archive of 900+ TEDTalks.

Source: blog.ted.com