The Power of Light

It's like a firearm, your light arm to kick. Have you seen a radiometer? No. I'm going to ship you a radiometer. One side of the little windmill will absorb light and the other side will repel it. It'll spin just from light, light pressure. This is a thing. Like light sales are a thing. Spacecraft have to account for solar pressure. You've taken me to a really fun, I don't know the answer but it's fun to think about.