I’d give laser pointers to Neanderthals. Even if they did figure out some useful application for them (maybe hunting?) they’d run out of batteries eventually.

  • Olap@lemmy.world
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    8 days ago

    Something with gears. Like a cranked egg whisk. Huge amounts of science went into this, but all of it should be replicable in a few generations of experiment with even bronze working. And it should inspire inventors of the age too

    • CanadaPlus@lemmy.sdf.org
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      7 days ago

      Or wood. Mills used wooden peg gears to great effect for a long time.

      The bigger challenge is to have enough jobs worth doing with gears to keep craftsmen trained, since making a smooth turning gear by hand is a thing. If this is Rome, there will be, but they already had some knowledge of gears. If it’s cavemen there’s not a chance.

  • CerebralHawks@lemmy.dbzer0.com
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    8 days ago

    A Nintendo Switch running Animal Crossing. Assume it has some kind of perpetual battery, and they can figure out how to operate it/play the game, and read our modern English.

    I’m thinking they figure modern civilisation is about (or back to) fishing and farming… and that animals are intelligent. Like validating TF outta the Egyptian pantheon. You’re a human but you have a dog for a neighbor, here’s a koala, a gorilla, an eagle… and they all talk and wear clothes.

    (Of course, if we wanna blow their minds with a game AND we can assume they can play it, why not just go straight to Cyberpunk?)

        • CanadaPlus@lemmy.sdf.org
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          7 days ago

          You actually can,, although I don’t know how rugged the result is. You probably could make a heavy, one speed bike out of wood with like, wheels that are just big disks. I’m not sure if it would beat walking, especially before purpose built roads were common. That being said, they might think going down a hill at speed is fun, which is actually what the first bikes were made for.

          For a modern-style bike, the wheels are more of an engineering challenge, as is centering the various parts and ensuring a tight fit. Modern machine parts are made with micrometric precision, which involves surprisingly simple tools, but a whole lot of science and technique.

          If it was a few thousand years later after horses were introduced, they could copy the concept of tension wheels for their chariots.

  • ShaggySnacks@lemmy.myserv.one
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    8 days ago

    That singing fish animatronic. Convinced people it’s a god. Wait for the battery to die and the eventual religious crisis.

      • slazer2au@lemmy.world
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        7 days ago

        My thought process was, this produces light only when there is light outside making it effectively useless.

        • CanadaPlus@lemmy.sdf.org
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          7 days ago

          Exactly, although to a cave person that’s just an interesting device that redirects sunlight somehow. They’d have to understand it could have been stored up for night or used for something else, in order to feel ripped off.

  • tetris11@lemmy.ml
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    8 days ago

    oh I’d teach 'em modern english, and then dump a truck load of People’s Magazine’s outside their hut

    Going for a hunt today? Can’t. Need to know what Janniston said to Branjelo on page 4

  • 6stringringer@lemmy.zip
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    8 days ago

    A snow globe from Niagra Falls, a clothes hanger, A Buttplug, a die cast Model of The General Lee, some Tide pods, an assortment of Weeble Wobble’s, The Complete Jane Fonda Workout (large print, hardback edition), A magnifying glass, A bag of Candy Corn.

    • nighty@lemmy.ml
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      7 days ago

      That still trips up some people today. That metal monolith that was propped up in the desert a year or two ago comes to mind.