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Air Guitar, it's a way to unleash your inner Rock God using only the power of your hands. Showing the sort of emotion you probably wouldn't want to display outside of your kitchen, until now that is...

Researchers at John Hopkins university have hacked the popular Guitar Hero video game to wire it up to a prosthetic arm, . Players can 'fret' and 'strum' by moving their fingers together, with electrodes detecting their movements. The game adds a competitive and musical edge to what had been "tedious" training, as amputees learn to control their new limbs. and rock out!