(Assuming that you meant to say “still alive” and interpreting this as “had ever been done on somebody who wasn’t clinically/legally dead”; not sure that that’s what you meant, but if not, I don’t understand your comment:) Qiaochu has already explained that he was talking about information-theoretic death there.
(ETA: If you meant that nobody’s actually been brought back to life, that still doesn’t seem to conflict with the correct-by-definition claim that cryonics doesn’t work after information-theoretic death.)
I think Qiaochu_Yuan is referring to cryobiology; I don’t know how far the military is with its suspended animation trials, but I think it’s possible they’ve done it to people (I know they’ve successfully done it to dogs).
? I wasn’t aware cryonics had ever been done on someone that’s already alive.
(Assuming that you meant to say “still alive” and interpreting this as “had ever been done on somebody who wasn’t clinically/legally dead”; not sure that that’s what you meant, but if not, I don’t understand your comment:) Qiaochu has already explained that he was talking about information-theoretic death there.
(ETA: If you meant that nobody’s actually been brought back to life, that still doesn’t seem to conflict with the correct-by-definition claim that cryonics doesn’t work after information-theoretic death.)
I think Qiaochu_Yuan is referring to cryobiology; I don’t know how far the military is with its suspended animation trials, but I think it’s possible they’ve done it to people (I know they’ve successfully done it to dogs).