1. It is possible that there are many other universes that exist parallel  to our universe. Theoretical physicist Brian Greene, author of The  Elegant Universe, explains how that’s possible in the new book, The  Hidden Reality. View in High-Res

    It is possible that there are many other universes that exist parallel to our universe. Theoretical physicist Brian Greene, author of The Elegant Universe, explains how that’s possible in the new book, The Hidden Reality.

  2. brian greene

    parallel universes

    the hidden reality

    string theory