Oppenheimer won’t have nothing on you when you turn a standard cordless drill into a fully-operational plasma gun. This gun sends huge arcs of blazing hot plasma to your targets, ensuring that you can light light bulbs and scare cats off your lawn with absolute precision.
The project is based on a DIY tesla coil and uses all kinds of crazy electrical stuff to creae sparks from an 12V battery. The distances is fairly small here but its still darn impressive.
Best of all, they include full specs on manufacturing your own. Blast away, Star Troopers!