By eldercactus, r*ddit link

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[โ€“] 3 points 4 months ago* (1 child)

With our current mathematical models of physics, if you travel faster than light, you go backwards in time. Though, most scientific communities reject the possibility of FTL travel. However, thereโ€™s still the idea of tachyons, I guess.

A pretty good source on the topic: https://youtube.com/playlist?list=PLsPUh22kYmNC0xsEp6YXRq2ALms7fTwrx

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