Zac Vawter: Amputee uses thought-controlled bionic leg to climb 103 flights of stairs to top of skyscraper

Zac Vawter: Amputee uses thought-controlled bionic leg to climb 103 flights of stairs to top of skyscraper | Mail Online: "A man who lost his leg in a motorcycle accident has made history by using a thought-controlled bionic leg to reach the top of one of the world's tallest skyscrapers."