Tuesday Night Open Thread: That Was Like Five Decades Ago, Man

This Physicist Discovered an Escape From Hawking’s Black Hole Paradox
quantamagazine.org | August 23, 2021 | Natalie Wolchover

The five-decade-old paradox — long thought key to linking quantum theory with Einstein’s theory of gravity — is falling to a new generation of thinkers. Netta Engelhardt is leading the way.

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So do evaporating black holes really destroy information, meaning unitarity is not a true principle of nature? Or does information escape as a black hole evaporates? Solving the information paradox quickly came to be seen as a route to discovering the true, quantum theory of gravity, which general relativity approximates well everywhere except black holes.

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