A Rehabilitation Institute of Chicago participant Zac Vawter will climb 103 floors of the Willis Tower on Sunday at the 4th annual Skyrise event using the first bionic leg a neural-controlled

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A Rehabilitation Institute of Chicago participant Zac Vawter will climb 103 floors of the Willis Tower on Sunday at the 4th annual Skyrise event using the first bionic leg a neural-controlled prosthetic leg driven by his own thoughts.

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WLS – Chicago
Fri, Nov 2, 2012 7:34 PM EDT