Iron Man 3 may have opened this weekend, but one Internet nerd still has Thor on the brain. Caleb Kraft from Hack A Day set out to make his very own version of Mjolnir, Thor’s hammer, and while his doesn’t weigh a metric ton or return to his hand from across the room, it does emit a shocking 80,000 volts of electricity. Kraft charged up his foam replica with the help of Tesla coil builder Staci Elan and says that it can both create 3-inch arcs of visible electricity and power light bulbs that are held nearby. It’s not quite as jazzy as Thor’s real hammer, obviously, but it’s pretty cool all the same.
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