this post was submitted on 03 Oct 2023
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I'm not really sure what quantum archeology is, but another possibility is that, should we ever discover a way of circumventing the speed of light, you could fly millions of light-years away and set up a big-ass telescope to watch past earth. It'd only work if we discover a way of travelling ftl though, and it's highly unlikely we'll accomplish that in our lifetimes.
We could point our telescopes at black holes and look at our past light they fling back at us
Basically it's this idea that you can date online the universe itself to restore anything or anyone from the past