The Expanding Universe Requires a Departure From Unitarity in Quantum Mechanics

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Many believe that the expanding universe requires a departure from unitarity in quantum mechanics. At face value, I think that that particular tension is overblown. There's no necessary reason just because the universe is expanding that you need to violate unitarity. Jesse Rimmler: The Russian invasion of Ukraine is a horrific crime and Russia is responsible. He says it is right for the US to apply pressure to initiate peace talks. But he doesn't see many grappling with where this conflict is headed.

Welcome to the October 2022 Ask Me Anything episode of Mindscape! These monthly excursions are funded by Patreon supporters (who are also the ones asking the questions). We take questions asked by Patreons, whittle them down to a more manageable number — based primarily on whether I have anything interesting to say about them, not whether the questions themselves are good — and sometimes group them together if they are about a similar topic. Enjoy!

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