Multiverse: Could Parallel Universes Be Real? Brian Greene Explains (VIDEO)

10/25/2012 07:55 am ET | Updated Oct 25, 2012
  • Cara Santa Maria Science correspondent, Huffington Post; editor, Talk Nerdy to Me

The size of our universe is nearly incomprehensible. It's so vast, the thought of anything greater is a little hard to swallow. But could there be a parallel universe out there? Could our universe be part of a grander whole, a multiverse?

Earlier this year, I had the opportunity to sit down with theoretical physicist Brian Greene, author of "The Hidden Reality" and "The Elegant Universe," in a previous episode of Talk Nerdy To Me. We talked nerdy about black holes and how the universe may be nothing more than a giant hologram. Now, we delve into the bizarre physics of the multiverse theory.


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