1. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

2. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

3. Who invented Radiocarbon ?

Answer:

Willard Libby

4. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

5. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

6. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

7. Who invented Super Computer ?

Answer:

Seymour Cray