1. Who invented the sewing machine?

2. Who created the first computer programming language?

3. Who created the Linux operating system?

4. Who invented the airplane autopilot system?

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

6. What was the name of the device Alan Turing helped build to crack the Enigma code?

7. What was the name of Robert Fulton's first commercially successful steamboat?

8. What substance did Nobel mix with nitroglycerin to make it stable and create dynamite?

9. What farm activity inspired Farnsworth's idea for scanning images line-by-line?

10. What observation led Laszlo Biro to develop a better writing instrument?

11. What problem did Mary Anderson observe that led to the invention of the windshield wiper?

12. What is the name of George Stephenson's famous award-winning locomotive?

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

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

15. What medium did Bell's Photophone use to transmit sound?

16. What specific feature did Margaret Knight's machine add to paper bags?

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

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

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

20. What did the Wright brothers consider the most important element of their invention?