From Wired:

Meet America’s mad professor. For nearly 40 years Bob Iannini, founder of Information Unlimited, has been mail-order mentor and parts supplier to electronics hobbyists willing to take on some of the most dangerous DIY projects in the world.

Need kits, plans or supplies for a Tesla coil? Pick a size — Information Unlimited carries itty bitty 2-foot science-project-type Tesla coils, all the way up to terrifying 6.5-foot, 2-million-volt monstrosities. More practical consumers can pick up laser components, bug zappers and high-voltage transformers and switches. If that doesn’t tickle your fancy, Iannini offers a massive EMP blaster gun kit capable of disrupting electronics or igniting explosive fuels with a radiating electromagnetic pulse — a pre-assembled unit will set you back just $32,000

Full Story: Wired: Meet the One-Handed Man Behind America’s Most Dangerous Mail-Order Kits