Is our universe the only universe?

Name: Is our universe the only universe?
Uploaded: 2012-04-23T15:19:03Z
Duration: 21 min 30 s
Description: Is there more than one universe? In this visually rich, action-packed talk, Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang?) have led to the theory that our own universe is just one of many in the "multiverse."

7,500,910 plays|

Brian Greene |

TED2012

• February 2012

Is there more than one universe? In this visually rich, action-packed talk, Brian Greene shows how the unanswered questions of physics (starting with a big one: What caused the Big Bang?) have led to the theory that our own universe is just one of many in the "multiverse."