Make your own Thor Hammer [Mjolnir]

Thor’s Hammer can be lifted only by Thor himself as he is the only worthy of such an honor, but Allen Pan, from Sufficiently Advanced, has created a hammer that only he can lift. The hammer itself has a coil inside, an Arduino board and a fingerprint scanner.

When he puts the hammer on a metal surface it sticks like crazy. Nobody is able to lift it, but when the fingerprint scanner, embedded in hammer’s handle, reads Allen’s fingerprint, it releases the hammer.

Via Interesting Engineering.

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