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.

  • slazer2au@lemmy.world
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    1 day 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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      1 day 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.