With the release of Iron Man 2 just days away, this fan decided to build an amazing arc reactor. It’s “attached to an old heart rate monitor strap and powered by a 3-volt battery pack.” Video after the break. Click here for first picture in gallery.

You’ll need a soldering iron, dremel tool, drill bits, a thin brass sheet, copper wire, and a whole lot more, and the assembly involves some higher-level craftsmanship.

[via Gizmodo]


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