Amputee Scales 103 Floors of Famous Skyscraper with "Bionic Leg"

Source: CNN - HealthWhen Zac Vawter put his mind to climbing the 103 floors of Chicago's iconic Willis Tower, his legs did the rest. Even the one that isn't human. Vawter scaled the skyscraper's stairway thanks to the "world's first neural-controlled bionic leg." In other words, when Vawter thinks about going somewhere, the thought directs his prosthetic right leg to move. This kind of technology has been implemented before in arms and fingers, but never before in...