ENG-122 Research Question

1. When was the helicopter invented?
2. When was the creation of the first fully operational helicopter?
3. Why was the helicopter invented?
4. Who was credited with the invention of the helicopter?
5. How has the helicopter evolved over the years?
6. Where was the birthplace of the helicopter?
7. Should the helicopter be considered one of the greatest inventions in history?
8. How was the idea of the helicopter made a reality?
9. Where is the helicopter headed in the future?
10. What is the process for getting licensed as a helicopter pilot?
11. How do helicopters fly?
12. How do helicopters without a tail rotor fly?