1. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

2. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

3. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

4. Who invented Super Computer ?

Answer:

Seymour Cray

5. Who invented Nylon ?

Answer:

Wallace Carothers

6. Who invented Java Language ?

Answer:

James Gosling

7. Who invented Helicopter ?

Answer:

Igor Sikorsky