spacehulk

GOOD.

Is that Paul Rudd in a wig?

These are good little friends to have around.

If they have no mass, how do they push solar sails?

This is being touted for safety reasons, yet there are still no guidelines and headlight brightness, headlight height, hood height of pickup trucks, etc. Regulate the vehicle exterior for actual and immediate safety benefits before trying to float this privacy infringing shit.