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.
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.
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.