/sci/ - Science & Math » Thread #11931720

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Anonymous Thu 23 Jul 21:52:54 2020 No.11931720 View Reply Original Report

Quoted By: >>11931743 >>11931859 >>11932087 >>11932562 >>11932564

From our current understanding of physics, is present -> past time travel impossible? Why? If not, what conditions would make it possible?

Anonymous

Anonymous Thu 23 Jul 2020 22:00:11 No.11931743 Report

Quoted By: >>11932567

>>11931720
From my understanding the best we got is.

Make time travel device. Now can time travel only when that device existed

Anonymous

Anonymous Thu 23 Jul 2020 22:42:37 No.11931859 Report

Quoted By: >>11932664

>>11931720
No. Remember there is a difference between theoretical possible and possible. Everything is theoretically possible, since anything can have a theory explain it. But only some things are actually possible.

Anonymous

Anonymous Fri 24 Jul 2020 00:18:53 No.11932087 Report

Quoted By:

>>11931720
You need access to spacelike worldlines.

Anonymous

Anonymous Fri 24 Jul 2020 04:43:18 No.11932562 Report

Quoted By:

>>11931720
time is relative in the speed that it passes. So you can speed up or slow down time but not go back

Anonymous

Anonymous Fri 24 Jul 2020 04:45:39 No.11932564 Report

Quoted By:

>>11931720
time is an illusion and does not exist. the feeling of the 'present' is a sensation, and the feeling of the 'past' is the sensation of memory.

Anonymous

Anonymous Fri 24 Jul 2020 04:48:04 No.11932567 Report

Quoted By:

>>11931743
>from my understanding, the best we got is: completely subjective conjecture

Anonymous

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Anonymous Fri 24 Jul 2020 05:32:05 No.11932664 Report

Quoted By:

>>11931859
Sh-shut up! My multiverse/string theory is true! WHAT DO YOU MEAN MATHEMATICAL RHETORIC ISN'T PROOF!? REEEEEEEEEEEE!

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