1. Who is known as the “father of the computer”?

2. Who invented the electric battery?

3. What modern technology relies on the 'frequency hopping' concept co-invented by Hedy Lamarr?

4. What was the first message transmitted by Marconi across the Atlantic Ocean?

5. What was the purpose of Eli Whitney's cotton gin?

6. What was the main advantage of Armstrong's FM radio over the existing AM radio?

7. Which two metals were used by Alessandro Volta in his first battery?

8. The 'aeolipile' invented by Hero of Alexandria is considered the first version of what modern device?

9. What did John Walker refuse to do with his invention of the friction match?

10. How was the Gatling gun operated to fire continuously?

11. What does the name 'neutrino,' coined by Enrico Fermi, mean in Italian?

12. What electrical principle does the Tesla Coil use to amplify voltage?

13. What was the primary advantage of Whitney's interchangeable parts for the military?

14. How did the Bessemer process remove impurities from molten iron?

15. What did John Harrison's marine chronometer allow sailors to calculate for the first time?

16. What was the revolutionary concept behind the Universal Turing Machine?

17. Which organization was Tim Berners-Lee working for when he invented the World Wide Web?

18. What force of nature was defined by Fermi's work on beta decay?

19. How was Mary Anderson's original windshield wiper powered?

20. What was the name of the camera Edison and Dickson invented to record motion?