Kari Byron

Kari Byron, Tory Belleci and Grant Imahara rank history's greatest inventions, heists and more in this series from the producers of "MythBusters."

Thrill Factor explores the exciting world of thrill rides, water slides and other heart-pumping experiences. Hosts Kari Byron and Tony Belleci strap into these fast and frightening rides to dig deeper into the science of fun.