1. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

2. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

3. Who invented Laser ?

Answer:

Charles H. Townes

4. Who invented Super Computer ?

Answer:

Seymour Cray

5. Who invented Proton ?

Answer:

Ernest Rutherford

6. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

7. Who invented Nylon ?

Answer:

Wallace Carothers