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.

  • AngryCommieKender@lemmy.world
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    12 hours ago

    Bicycles. If we could have gotten bicycles a few centuries before cars, I don’t think modern cities would be so damn car centric.

    • pmk@lemmy.sdf.org
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      11 hours ago

      If I may ask, where are you from? The city I live in is a nightmare for cars, the roads were made for horses and walking, narrow and winding cobblestone streets and the city tries its best to keep cars out of the center.