Man with 'bionic' leg to climb Chicago skyscraper
Wednesday, October 31, 2012 - 02:30
in Mathematics & Economics
CHICAGO (AP) -- Zac Vawter considers himself a test pilot. After losing his right leg in a motorcycle accident, the 31-year-old software engineer signed up to become a research subject, helping to test a trailblazing prosthetic leg that's controlled by his thoughts....