Across
- 5. What was brought to the market in 1983?
- 8. Who invented the Nipkow disk principle used in TV?
- 9. Which artistic activity is a wheel used for?
- 11. From which country did the hookah originally come?
- 13. Which tool used the first spring?
- 14. When did they start to build the Olympic Stadium?
- 15. Who invented the internal frame backpack?
- 16. What does the letter i stand for in iPhone?
Down
- 1. When was the fidget spinner originally invented?
- 2. From which Latin word did the word 'electricity' come?
- 3. In what year was school invented?
- 4. Who often uses the compass?
- 6. Name another thing which Thomas Edison invented.
- 7. Which bird gave H. Focke the idea to build a helicopter?
- 10. What gas is used inside the fridge?
- 12. What was the first computer called?