• creamlike504@jlai.lu
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    1 day ago

    I would bury a bunch of identical time capsules all over the world, each with the location of the other time capsules and a detailed timeline of increasingly terrible global events.

    The later it’s dug up, the more credible it’ll be.

  • Lovable Sidekick@lemmy.world
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    1 day ago

    I have a recurring fantasy of visiting my favorite physics professor in the 1970s and showing him a modern smartphone. He showed me how to use integrated circuits, when microprocessors were a very new thing and we were mostly just making LEDs blink.

    • shalafi@lemmy.world
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      24 hours ago

      Came to say cell phone. Even as recently as the early 90s, no one on Earth had tech that was close. It would be plenty understandable by extrapolating current tech, but no one would believe it was a contemporary device.

      • Lovable Sidekick@lemmy.world
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        21 hours ago

        Yep exactly. Many people in 1975 might have thought a smartphone was some kind of trick, but the professor I’m thinking of was very familiar with digital electronics and would know it was absolutely impossible to build such a thing at that time. I would really love to tell him all about the Internet etc. And of course when to sell his house and buy Microsoft stock lol.

  • stoy@lemmy.zip
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    1 day ago

    How far back are we talking?

    I mean the 90s were about 30 years ago (sorry for making you feel old).

    So let’s say that that I managed to find a way to travel in time, and had time to prepare for a trip to 95…

    I will also assume that it is a paradox self correcting time travel deal.

    I’d bring an iPhone with me, that should convince anyone that I am from the future.

  • superkret@feddit.org
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    1 day ago

    A fixed gear bicycle with wide, flat-resistant tires and a belt drive. Plus a hand pump, a set of tools and a box full of inner tubes.

    That should be enough to keep it running for a lifetime, offers actual utility, and it’s understandable enough what it does so I’m hopefully not burnt at the stake, and people can build their own with what they have.

  • HobbitFoot @thelemmy.club
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    1 day ago

    Why would I want to prove that it is real. I’d go full Connecticut Yankee and build a modern empire with me at the head.

  • whotookkarl@lemmy.world
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    1 day ago

    I’d want something that can help people and can be tested and has an immediate, dramatic effect to make it undeniable

    Maybe insulin? You could literally bring comatose people back from the brink of death in minutes

    • shalafi@lemmy.world
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      24 hours ago

      Wouldn’t anyone needing insulin already be dead? Or is there a middle ground where a diabetic can go in and out of shock, yet survive without?

      • whotookkarl@lemmy.world
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        24 hours ago

        They would survive for awhile after diagnosis on a starvation diet, maybe weeks, and slipping in and out of a coma but it was a death sentence. There’s stories from the 1920’s when whole wards of kids were hit with a first dose that removed the symptoms in minutes. I can’t imagine being in that room when all that despair and anguish turned into hope and relief.

  • theblips@lemm.ee
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    1 day ago

    Something like a digital version of Wikipedia could work out great. I could have encyclopedic knowledge of their world and future events, such as “the pope is going to name himself such and such” at the palm of my hand

    • Jarix@lemmy.world
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      1 day ago

      Something like a digital version of Wikipedia

      ?? Wikipedia IS digital.

      What did you mean?

    • rmuk@feddit.uk
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      1 day ago

      Yeah, I wonder how robust an ereader and one of those solar phone chargers would be? I seem to recall English Wikipedia takes up about 5GB, so you could probably bring a good chunk of Project Gutenberg too.

  • kelpie_returns@lemmy.world
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    1 day ago

    Generator. Television. PS2. Cowboy Bebop on DVD.

    Idk if it would work at all, but TANK is such a good fucking song, and I hope they enjoy at least that much before burning me for witchcraft.

  • frankPodmore@slrpnk.net
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    2 days ago

    Assuming we’re going back far enough, antibiotics. Cure one person of the bubonic plague or tuberculosis and people will start taking you seriously.

  • throwawayacc0430@sh.itjust.works
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    2 days ago

    Bring a gun so I can shoot some nazis.

    Nay, a nuke with the power of Fat Man in the middle of Berlin in 1933.

    Sorry Germans, I know not everyone is a nazi, but hitler and the rest of the nazis gotta go 💥

    Anything weaker is just gonna result in hitler escaping again

    Imagine how beautiful the world would be if the nazis were eradicated before they start doing atrocities.

    (Again, sorry Germans, it had to be done. Enough of you will live to tell the tale that a time traveler saved y’all from fascism)

  • tetris11@lemmy.ml
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    2 days ago

    I’d bring a scientist with me. Not sure which one. Just grab one with a cloth sack when they’re having breakfast with their kids, and stuff em into my time machine. They’ll figure it out.

    Then I’d prod them to do future math and stuff for peasant farmers.