Intro Video
1. What year was the microwave oven first made available
commercially?
2. How does a microwave oven cook food evenly?
3. What significant event in 1957 marked the debut of
satellites?
4. How do satellites contribute to modern communication and
navigation?
5. What percentage of the world's population is powered by
nuclear energy?
6. What are some of the benefits and drawbacks of using
nuclear power?
7. Who invented the modern motorized vacuum cleaner, and in
what year?
8. How did vacuum cleaners change the way people cleaned
their homes compared to previous methods?
9. Who were the Wright brothers, and what was their contribution
to aviation?
10. How have airplanes evolved since the first successful
flight in 1903?
11. When was the first mobile cell phone demonstrated, and
by which company?
12. How have mobile phones transformed from their original
design to modern smartphones?
13. What role do computers play in various industries today?
14. How have personal computers become more accessible over
the years?
15. What is penicillin, and why is it considered a
groundbreaking medical invention?
16. How did the development of penicillin change the
treatment of bacterial infections?
17. Who is credited with the invention of the television,
and what impact has it had on mass media?
18. How has television influenced public opinion and
entertainment since its inception?
19. What is the internet, and why is it considered the
quintessential invention of the 20th century?
20. In what ways has the internet transformed daily life and
communication for people around the world?
Remember from first year:
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