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John Dumancic's avatar

I’ll have to read this more carefully. A couple of fun physics notes, though: in special relativity, there is no notion of an absolute present! Simultaneity is relative and subjective, though subjective in a readily quantifiable manner. General relativity gets even more interesting: only certain classes of spacetimes, called globally hyperbolic, have a globally well-defined present at all; with others, you can only define a localized and relative present. Admittedly, these cases are pathological in several regards, but they aren’t unthinkable, at the very least.

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Ash's avatar

Got this on repeat. Thank you. Among other things it brought to mind the short story by Roberto Bolaño: Clara (https://www.newyorker.com/magazine/2008/08/04/clara-roberto-bolano).

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