| Invention | Year (circa) | Inventor | % Correct |
|---|---|---|---|
| Printing Press | 1439 | Johannes Gutenberg | 90%
|
| Bifocal glasses | 1750 | Benjamin Franklin | 80%
|
| Atomic Bomb (project lead) | 1945 | J. Robert Oppenheimer | 70%
|
| AK-47 | 1946 | Mikhail Kalashnikov | 70%
|
| Phonograph | 1877 | Thomas Alva Edison | 70%
|
| Screw for lifting water | 200 BCE | Archimedes | 60%
|
| Penicillin | 1928 | Alexander Fleming | 50%
|
| Hot Air Balloon (manned) | 1783 | Joseph-Michel and Jacques-Etienne Montgolfier | 50%
|
| World Wide Web | 1989 | Tim Berners-Lee | 50%
|
| Helicopter (practical) | 1939 | Igor Sikorsky | 40%
|
| Petrol Automobile | 1885 | Karl Benz | 40%
|
| Liquid-Fueled Rocket | 1926 | Dr. Robert H. Goddard | 30%
|
| Nuclear Reactor | 1942 | Enrico Fermi | 30%
|
| Aqua-Lung | 1943 | Jacques Cousteau | 30%
|
| A-4 / V-2 Rocket | 1942 | Werner von Braun | 30%
|
| X-Rays | 1895 | Wilhelm Roentgen | 30%
|
| AR-10, AR-15, AR-18 | 1960 | Eugene Stoner | 20%
|
| Hook and Loop (Velcro) | 1941 | George de Mestral | 10%
|
| Air Brakes | 1868 | George Westinghouse | 10%
|
| Submarine (combat victory) | 1863 | Horace Lawson Hunley | 10%
|
| Kevlar | 1965 | Stephanie Kwolek | 10%
|
| DMC-12 | 1981 | John DeLorean | 0%
|