1. Who is credited with inventing the telephone?

2. Who invented dynamite?

3. Who invented the sewing machine?

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

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

6. How many wheels did the first Benz Patent-Motorwagen have?

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

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

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

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

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

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 Thomas Savery's engine create the suction needed to pump water?

15. What was the main advantage of the Magnetic Detector over the earlier coherer?

16. What materials did Cai Lun use to create his first batches of paper?

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

18. What is the primary function of a 'compiler,' as invented by Grace Hopper?

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

20. What modern technology relies on the frequency-hopping principle invented by Hedy Lamarr?