The trick of using quantum error-correction to analyze Hawking radiation is particularly beautiful!
John @preskill describes some of the amazing things people are learning about quantum gravity from quantum computers https://quantumfrontiers.com/2017/04/03/heres-one-way-to-get-out-of-a-black-hole/ …
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I intermittently worry that people aren't working hard enough to tear down ER=EPR and such to see if they survive, but...
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... I wouldn't hear about it if they did, and it's above my pay grade.
End of conversation
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And read this
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