Amputee Climbs 103-Floor Skyscraper

    Zac Vawter, fitted with an experimental "bionic" leg, looks out from the Ledge at the Willis Tower, Thursday, Oct. 25, 2012 in Chicago. Vawter is training for the world's tallest stair-climbing event where he'll attempt to climb 103 flights to the top of theWillis Tower using the new prosthesis.  (AP Photo/Brian Kersey)

    Brian Kersey / AP Photo

    Mind over matter is one thing, mind over an 103-floor climb is another. Zac Vawter, a 31-year-old amputee who uses a bionic leg controlled by his mind, climbed the steps of a more-than-100-story skyscraper in Chicago on Sunday for the charity event SkyRise Chicago. Vawter’s performance was one of the first public exhibitions of the bionic leg in action, and researchers said that it worked “fantastically.” Vawter finished his ascent in 45 minutes, and the event benefitted the Rehabilitation Institute of Chicago.

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