Nikola Tesla was a visionary thinker, making experiments which still aren't fully understood today. But even the inventor of AC current wouldn't have foreseen this Flash Gordon style wireless plasma gun, based on the Tesla Coil and built by the danger lovers at RM Cybernetics.
Built into a $10 B&Q cordless drill, the "Plasma Gun" keeps the 12v batteries and adds two resonant circuits. The important part – big blue sparks! – radiate from an old doorknob on the end of a tube. At 72 watts, it's a low power device, but will still light a bulb if held close enough. And the low power means that the user's body can be used as a ground, via a copper plate in the handle.
The best part? According to the site, "It is also possible to use butane gas which makes this thing into some kind of flamethrower - plasma gun hybrid."
Project page [RM Cybernetics]
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