Clip
Did Another Universe Exist Before the Big Bang?
1:03:15 - 1:03:59 (00:43)
Renowned physicist Sir Roger Penrose discusses his theory that there may have been something before the Big Bang and explains why he dislikes the term "another universe."
Renowned physicist Sir Roger Penrose discusses his theory that there may have been something before the Big Bang and explains why he dislikes the term "another universe."