A pair of bright sparks from Johns Hopkins University have taken the Wii version of Guitar Hero and turned it into a rehab tool for amputees. Specifically, people missing their hands/fingers.
Normally, such an injury (or by-product of surgery) would rule out the playing of games like Guitar Hero, which require, well, fingers, but biomechanical engineer Robert Armiger and surgical roboticist Carol Reiley have found a way to hook the game up to your arms and let your thoughts (and muscles) control the action.
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You can see the results in the clip above, where Iraq veteran Jon Kuniholm hits us all with his best shot.