Backreaction: Do we live in a computer simulation?
Good post by the best active physics blogger that I know...
Update: I'm sure these are not novel thoughts, but I guess the upside of being in a computer simulation which is running right now is that on death, it may make re-loading me immediately into another simulation a.k.a "the afterlife" a relatively straightforward process. And, I guess, letting a person review their past life either as part of the dying process, or even at a more leisurely pace from the other simulation, should be easily accommodated too, providing there have been good backups made for "viewing."
I don't really see that there should be much difficulty in allowing ghost like visits from one simulation to another, too. Perhaps either the person/thing running the simulation could allow for it, upon request, or there could be viruses that allow for cross simulation incursions.
Of course, the downside is that if the simulation controller is a super advanced teenage gamer, he/she/it may find relocating people into randomly chosen varieties of afterlife a bit of a laugh. "Put Hitler and all the other bad dudes into into what everyone else thinks is Heaven, and see how they react? Haw, haw, haw."
Or does something like Game Theory dictate that if you are running simulations, you do not mistreat your underlings for fear of being punished yourself in the simulation you might be running in?
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