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Light-Speed Spaceships Would Have Trouble Phoning Home (www.iflscience.com)

submitted 10 months ago* (last edited 10 months ago) by kalkulat@lemmy.world to c/technology@lemmy.world

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[–] luthis@lemmy.nz 0 points 10 months ago (1 children)

My first thought was 'no shit' as well. There's a horrible heartbreaking anime about that.. Voices of a Distant Star.

other forces ... can transmit information at speeds >c

I sadly disagree. Even if we figure out a way to instantaneously transport ourselves across the universe, there will be some shitty clause in fine-print that says we can't go back, or it took 0 time for us but 1 billion years for everything else.

Check out this video by Anton Petrov:

https://odysee.com/@whatdamath:8/woah!-someone-just-sent-an-impossible:4

[–] KoboldCoterie@pawb.social 0 points 10 months ago (1 children)

or it took 0 time for us but 1 billion years for everything else.

That's just time travel with extra steps!

[–] xkforce@lemmy.world 0 points 10 months ago (1 children)

It literally is time travel.

[–] gravitas_deficiency@sh.itjust.works 0 points 10 months ago* (last edited 10 months ago)

We are all currently time-traveling at a ratio of (edit: roughly) 1:1