You've got to entangle the same machine first over a massive macro quantum space-time superposition.
this post was submitted on 13 Mar 2025
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Heyy this property features in the accidental time machine by Joe Haldeman
See, that's a problem they always skip in time-travel movies.
At least in Doctor Who, the T.A.R.D.I.S. can teleport through space as well as through time, solving that problem. But most time machines don't
Also ghosts likely wouldn't be affected by a gravitational pull, so the concept doesn't make sense and there'd just be a trail of ghosts in space.
NGL, I don't really feel confident assuming anything about the physics of ghost dynamics
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Glad I’m not the only one confused. Who’s talmbout ghosts
I also think about this a lot.
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I always wondered about this