Climbing to the top of a skyscraper is undeniably a challenging endeavor. But for Zac Vawter, it was even more difficult. The 31-year-old amputee made history when he became the first person with a prosthetic leg to climb all 103 flights of stairs at Chicago's Willis Tower, one of the world's tallest skyscrapers. With the help of his mind-controlled bionic leg, Vawter finished the ascent in roughly 45 minutes.
THE WEEK'S AUDIOPHILE PODCASTS: LISTEN SMARTER
- The U.S. Marines are developing laser weapons. Here's why.
- 3 horrific inaccuracies in Homeland's depiction of Islamabad
- 43 TV shows to watch in 2014
- How to be the most productive person in your office — and still get home by 5:30 p.m.
- 16 characters from other languages that make great emoticons
- Why the Supreme Court is allowing Texas to hold an unconstitutional election
- Ban PowerPoint!
- 6 things the happiest families all have in common
- Gamergate has backfired spectacularly on its nincompoop perpetrators
- Rise of the machines
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