PBS Spacetime Presents: “Theory of Everything” Livestream Max Tegmark, James Beacham, Stephon Alexander (#061)
Into the Impossible With Brian Keating
00:00
The Multiverse and the Business of Math
The multiverse is a theory that's supposed to be testable, not necessarily every single prediction of the theory. Can we fly away and see the nearest parallel universe where Max Schmeghmark is talking with James Schmeghum on Schmeff Alexander? Of course they are. If you take seriously Alan Guth and André Linde’s theory of inflation, then quantum gravity has more than one solution corresponding to some sort of uniform space with stuff in it. It tends to generically predict that you're going to make lots of space, typically much more space than we can observe.
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