Submitted by Perseverxnce t3_ztc2li in space
Agapic t1_j1cxkl3 wrote
Reply to comment by Perseverxnce in What if time travel to the past was possible? by Perseverxnce
So only the exchange of information between past/present is possible, but the exchange of or transfer of matter between two times is not? Sounds legit.
Perseverxnce OP t1_j1cxvdg wrote
Why not? We still know little about that. What would make it impossible
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