Inspired by the graphic novel "Five Fists of Science" -- and perhaps encouraged by the plucky MIT student who made his own Tesla coil hat and survived -- a DIYer named Rob designed a Tesla coil gun, which he says is fully functional. Rob used a Nerf gun cast in aluminum for the housing and created a high voltage switch with a 3D powder printer. The gun is powered by an 18V ion drill battery and a flyback transformer housed inside a PVC plumbing end cap. Though Rob has yet to fire the gun, photos show what he says are sparks from the setup, and a demo
