this post was submitted on 04 Feb 2026
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Science Memes

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Context: He's in the files

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[–] Cethin@lemmy.zip 5 points 22 hours ago (1 children)

That's not really true. First, if you can invent time travel you can probably do the math to calculate positions of objects. Second, even if you do need a beacon, you could use something that already exists. For example, radio waves. Earth has been shooting off radio waves for a fair amount of time now. That could be used as a beacon. Also, you could do something like having your time machine do small jumps, check it's relative position, then adjust. This would solve just about every issue.

[–] Daft_ish@lemmy.dbzer0.com 1 points 17 hours ago* (last edited 17 hours ago) (1 children)

So you have no idea how time travel would work but youre certain that traveling through time will be simple heliocentric math and radio waves can be used as a beacon?

[–] Cethin@lemmy.zip 1 points 12 hours ago (1 children)

I know exactly how time travail would work; forward only. Backwards time travel isn't happening. In the imaginary world where it does work though I don't see how radio waves wouldn't work. I don't know what heliocentric math has to do with it. You can tell where they're coming from no matter where you are in the universe, not just around the sun. Then you adjust to that position and you're done.

[–] Daft_ish@lemmy.dbzer0.com 0 points 8 hours ago

Bro, this shit made me ill.