1. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

2. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

3. Who invented Radiocarbon ?

Answer:

Willard Libby

4. Who invented Atomic Bomb ?

Answer: J. Robert Oppenheimer of U.S.A. in 1945

5. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798

6. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

7. Who invented Super Computer ?

Answer:

Seymour Cray