Sean Carroll: Distant time and the hint of a multiverse
About this talk
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.
About Sean M Carroll
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.