From: Tony B. Csoka (csoka@itsa.ucsf.edu)
Date: Sat Dec 13 1997 - 00:16:15 MST
This is a side issue from the FTL "teleportation" story, but does anybody
know if travelling backwards in time is theoretically excluded by General
Relativity or any other physical theory.
If reverse time-travel is possible, then I guess (should we fail to
achieve biological immortality in our lifetimes) we have a chance of being
"rescued" by future humans once time travel is invented. In this way,
anybody who has ever lived is potentially immortal if they can be snatched
from the past. I think there are some obvious flaws to this argument,
though. For example I don't see any time-travellers around right now.
But there is the parallel universe thing etc.
TBC
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