Kari Byron, Tory Belleci and Grant Imahara rank history's greatest inventions, heists and more.
Grant Imahara
Kari Byron
Tory Belleci
Score: 8.3
Score: 0.0
Score: 9.5
Score: 6.3
Score: 0.0
Score: 6.7
Score: 5.6
Score: 4.5
