/sci/ - Science & Math » Thread #13309343

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Anonymous Tue 22 Jun 08:47:13 2021 No.13309343 View Reply Original Report

Quoted By:

if physics equations work the same backwards in time then is it possible to have some planet with life far away where everything happens backwards from our point of view?

Anonymous

Anonymous Tue 22 Jun 2021 08:48:49 No.13309346 Report

Quoted By: >>13309349

no, because entropy

Anonymous

Anonymous Tue 22 Jun 2021 08:49:38 No.13309349 Report

Quoted By: >>13309369

>>13309346
wasn't the beginning of the universe a low entropy state? didn't that nobel price winner even speculate that the beginning and end of the universe are functionally identical

Anonymous

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Anonymous Tue 22 Jun 2021 08:57:11 No.13309369 Report

Quoted By: >>13309374 >>13309377

>>13309349
>didn't that nobel price winner even speculate that the beginning and end of the universe are functionally identical

Anonymous

Anonymous Tue 22 Jun 2021 08:59:11 No.13309374 Report

Quoted By:

>>13309369
no not obama it was another nobel prize winner

Anonymous

Anonymous Tue 22 Jun 2021 09:00:34 No.13309377 Report

Quoted By:

>>13309369
yeah roger penrose is his name

Anonymous

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Anonymous Tue 22 Jun 2021 09:30:48 No.13309462 Report

Quoted By:

Well, yeah they do work backwards. It's because equality is symmetric and transitive, so a=b implies b=a, and this can then be used to turn longer chains of equations around.

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