1. Who invented Super Computer ?

Answer:

Seymour Cray

2. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

3. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

4. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

5. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

6. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

7. Who invented Hydrogen bomb ?

Answer:

Edward Teller