By 
Sean Carroll
 | 
TEDx Talk

Distant time and the hint of a multiverse

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.

Related tags:

string theory
tedx
astronomy
philosophy
physics
science
time
universe
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