Lindsay Block, who was born missing the lower part of her left arm, demonstrates her new i-LIMB hand, described by its manufacturer as the first fully articulating and commercially available bionic hand in 2007. (Photo by Brandi Simons/Getty Images)
Central nervous system goes techno
A dream of people working in prosthetics is to have artificial limbs respond to brain waves, so the artificial one responds almost as smoothly as the lost limb. A new recipient of a MacArthur "Genius" grant says the technology shows promise in monkeys.
Guests
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Yoky Matsuoka: Professor of computer science and technology at University of Washington and recipient of a 2007 MacArthur Fellowship.
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