The Madeleine Brand Show for August 9, 2012

Are athletes reaching the limits of human potential?

Olympics Day 9 - Athletics

Julia Vynokurova/Getty Images

LONDON, ENGLAND - AUGUST 05: (L-R) Churandy Martina of the Netherlands, Ryan Bailey of the United States, Usain Bolt of Jamaica, Justin Gatlin of the United States, Yohan Blake of Jamaica and Tyson Gay of the United States compete in the Men's 100m final on Day 9 of the London 2012 Olympic Games at the Olympic Stadium on August 5, 2012 in London, England. (Photo by Julia Vynokurova/Getty Images)

This week, Jamaican Olympic sprinter Usain Bolt crushed his competitors in the 100 meter dash. But he also crushed another record after finishing the race with a time of 9.63 seconds, a record in the Olympics. Viewers are already looking forward to Bolt's next race to see if he'll put his name in the record books once again in the 200 meter dash, when he squares off against fellow Jamaican sprinter Yohan Blake.

But his 100 meter run caused many to wonder about the limits of human speed. Could there ever be a record that could not be broken? KPCC's A Martinez explains the science behind Usain Bolt.


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