this post was submitted on 10 Apr 2024
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Showerthoughts

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The reason why we never meet time travelers is because our civilization ends before the technology can come to fruition. (lemmy.world)
submitted 7 months ago by TheGiantKorean@lemmy.world to c/showerthoughts@lemmy.world
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Sort of similar to the Great Filter theory, but applied to time travel technology.

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[–] intensely_human@lemm.ee 4 points 7 months ago (1 children)

It takes more energy to go further back in time.

Everyone just assumes time travel is frictionless, but that doesn’t make sense. You want to go back ten seconds? Couple AA batteries. Want to go back an hour? Nuclear fission required. Seven days into the past? Microwave electronic resonance craft. A year? Forget about it.

[–] Adderbox76@lemmy.ca 3 points 7 months ago (1 children)

Seven days into the past? Microwave electronic resonance craft

I feel like that's a reference to a supremely underrated and long forgotten television show...

[–] intensely_human@lemm.ee 1 points 7 months ago

It’s a reference to a patent held by the navy. It’s concentric shells of nickel or something like that, then microwaves bounced inside that cavity. According to the patent it ends up producing power on the order of a hundred atom bombs per second.