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.

OQB @python@lemmy.world

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I always thought it would be funny to take aluminum foil back in time to see the reaction. I mean, imagine if a time traveler showed you a roll of platinum that they use to bake cookies. That's basically what aluminum was for almost all of history.

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