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Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

AMA | October 2024

7311.675 - 7329.882 Sean Carroll

You don't know whether it's 50-50 or 70-30 or 99-1 or whatever. All you know is there was some spin-up part, and probabilistically you got that. So you cannot infer the past from the present in quantum mechanics, given the information that is actually available to observers. Going to group two questions together.

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