6.9
Kari Byron, Tory Belleci and Grant Imahara rank history's greatest inventions, heists and more.
Sal'vatore Belechi , Kari Bairon , Grant Imakhara , Liusi Beresford , Kris Dorr , Braian Dzh. Ford , Greg Geidzh , Tim Dzhordzh , Lesli Kendall , Devid Meimen
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