This amazing video makes us wonder -- is there some sort of psychological evaluation before somebody is given a robot-Terminator arm, or do doctors just cross their fingers and hope for the best? It seems like that could go really wrong. Fortunately, Nigel Ackland, 53, is using his bionic arm for cracking eggs and pouring beers, rather than throttling somebody until their heart beats no more. Ackland lost part of his arm in an accident, and now for the first time in six years he can dress himself, peel vegetables and shake hands with any person brave enough to stick their hand into a robot hand, thanks to sensors in the arm that are attached to two muscles. Good job, science..

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