• djsoren19@lemmy.blahaj.zone
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    11 hours ago

    Tbf, I sincerely hope a lot of you understand the basic concept of a gearbox. Depending on how far back you go, a water wheel might be a pretty massive leap forward, and it might at least inspire other, smarter people of the time to work on theories of energy, and eventually electricity.

    • otacon239@lemmy.world
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      11 hours ago

      I would just bring an e-reader preloaded with Wikipedia and a solar charger. It would be treated as a relic for millennia long after it stopped working and would probably cause a collapse in the time-space continuum, but that’s just how I roll. 😎

    • devfuuu@lemmy.world
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      10 hours ago

      I’ve seen enough isekai anime to know the way to make money is to show people clear glass, soap and the thing to pull water from a well without a manual bucket.

    • JohnDClay@sh.itjust.works
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      11 hours ago

      If you can research how to make the original microscopes, bringing an understanding of virology would be hugely impactful.

      • djsoren19@lemmy.blahaj.zone
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        9 hours ago

        Honestly, you don’t even have to go that far. Just bringing back germ theory would massively advance the health and safety of ancient peoples. You might get a little bit of pushback trying to explain it to them though.

      • Maggoty@lemmy.world
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        9 hours ago

        I’m pretty sure that’s just precision grinding glass and setting it at the right distances.

        • JohnDClay@sh.itjust.works
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          13 minutes ago

          But getting the precision shape to grind in can be hard. There was something about dripping liquid glass just right, but that may have been professional espionage to throw people off.