Multiverse
Michael Egnor on why we don’t live in a multiverse
Science writer: Multiverse is based on zero empirical evidence
Astrophysicist Ethan Siegel tells us why a multiverse must exist
What? A logical flaw in multiverse reasoning? Aired at Scientific American?
Peter Woit, whom we sometimes follow because he is fun, looks back on string theory
Pumping the multiverse from dark matter
At Quanta: Are we looking at the end of physics?
Eric Holloway: An experiment can test the idea that there is an infinite number of universes
Wintery Knight: Does the multiverse counter the fine-tuning argument for God’s existence?
Multiverse physicist Max Tegmark switches gears; seeks AI to combat “news bias”
The Principal Research Scientist at Georgia Tech explains why he does not believe in a multiverse
Robert J. Marks on why there cannot be an infinite number of universes
The Big Bang Theory sitcom’s Sheldon Cooper insists that in no universe would he dance with Penny. That mighrt be true, says Marks but there still isn’t an infinite number of universes: But, some claim, there is an infinite number of universes in the multiverse. That is ludicrous because there are no infinities in the physical world. Even if there were, Cantor’s theory of the infinite shows that, if there were an infinite number of contingencies, not all contingency combinations could be accounted for by an infinite number of universes. Therefore, even if there is an infinite number of universes with an infinite number of contingencies, then—among an infinite number of Sheldons—it’s possible that none of the Sheldons dance. Robert Read More ›