Zac Vawter has become the first amputee to scale the 103-story Willis Tower in Chicago, with the help of a mind-controlled bionic leg. Vawter, who lost his l...
Amputee controls bionic leg with brainwaves
1st Bionic leg propels man up 103 flights
İş Makinesi İle Tırmanış
Bionic Leg Controlled By Brain Is Tested