When you've got hacked Kinect and two Tesla coils at your disposal, you're just an evil cackle away from being a fully credentialed evil genius. The 50Hz-200Hz coils here have been rigged to respond to your (sinister) hand movements, giving you the illusion of pure madness. Or just nicely accentuates the madness you're already rocking. [Adafruit via Make]
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That kid smiling at the end was everything that is good about geekery. I wish we had the chance to hear him say, "Fools, I'll destroy you all," as requested.