Brian Greene on Parallel Universes

The Hidden Reality
Guest(s): 
05.01.2011

Are alternative universes purely the stuff of make believe?  Or could they actually exist?  Recent discoveries in physics and cosmology have led many scientists to consider the possibility that our world is one among many.  Certainly physicist Brian Greene thinks so. He makes the case in his new book "The Hidden Reality: Parallel Universes and the Deep Laws of the Cosmos." Steve Paulson finds it all a little puzzling.

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