1. What mechanical component did Tesla's induction motor eliminate to reduce friction and maintenance?

2. To whom did Alexander Graham Bell address the first ever telephone call?

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

4. What three technologies did Tim Berners-Lee create to form the foundation of the Web?

5. Why did Carver encourage farmers to plant peanuts instead of just cotton?

6. What did Ada Lovelace's first computer program calculate?

7. Which material was used in Fermi's first reactor to absorb neutrons and control the reaction?

8. What was the famous slogan for George Eastman's first Kodak camera?

9. What was the original purpose of Willis Carrier's air conditioning invention?

10. What prompted Edwin Land to invent the instant camera?

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

12. What does the acronym LASER stand for, as coined by Gordon Gould?

13. What technology from the music industry did Edwin Link adapt to create the first flight simulator?

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

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

16. To what modern computer component is Babbage's 'Store' equivalent?

17. What was the main limitation of Galileo's thermoscope compared to a modern thermometer?

18. What were the first words ever recorded on Edison's phonograph?

19. What was the main technical difference between the iPhone's multi-touch and earlier touchscreens?

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