1. What does GPS stand for?

2. Who was the first person to orbit the Earth?

3. During the 2007 keynote, Steve Jobs described the iPhone as a combination of which three products?

4. Which iconic user interface element was first introduced to the world with the launch of Windows 95?

5. What was the subject of the very first video ever uploaded to YouTube in 2005?

6. What is the minimum number of GPS satellites a receiver must 'see' to determine a 3D position?

7. Which country launched the world's first commercial automated cellular network in 1979?

8. What was the name of the revolutionary landing system used to lower Curiosity to the Martian surface?

9. Graphene is a single-atom-thick layer of which common element?

10. In which city did the first successful human heart transplant take place in 1967?

11. Approximately how many chemical base pairs are in the human genome, as mapped by the HGP?

12. What does the term 'Modem' stand for in computer networking?

13. What theory about the origin of the universe did the 1964 discovery of CMB radiation confirm?

14. What complex biological puzzle did the AI system AlphaFold solve in 2020?

15. How many transistors were integrated into the world's first microprocessor, the Intel 4004?

16. Whose X-ray diffraction image ('Photo 51') was critical to Watson and Crick's DNA discovery?

17. What modern software icon is based on the design of an obsolete 1970s storage device?

18. What three colors are combined on a TV screen to create the full spectrum of color?

19. What did Alexander Graham Bell's 1876 telephone use to convert sound into electrical signals?

20. The first commercial GPS devices were less accurate than military ones due to which intentional signal blurring?