turret fires 34 balls per second (per second!) and is designed to be carried as a backpack for rapid deployment. Invent Geek also claims that it can be controlled via heads-up display from up to half a mile away. Full plans and a material list are promised as is a video demonstration. Until then, you'll have to make due with the detailed assembly history just beyond the read link. This could change paint warfare and the tactics used by curmudgeonly neighbors to protect their lawns, forever.