iWalk is So Much More than Just a Prosthetic Foot

A group of MIT and Brown researchers and engineers have debuted a prosthetic foot that propels the user forward using "tendon-like springs and an electric motor," meaning it is even more like the real thing than traditional prostheses. Professor Hugh Herr, head of biomechatronics at MIT's Media Lab, and a double… » 7/24/07 7:49am 7/24/07 7:49am