1. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

2. Who invented Morphine ?

Answer: Friderich Sertumer of Germany in 1805

3. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

4. Who invented Floppy disk ?

Answer: IBM in 1970

5. Who invented Super Computer ?

Answer:

Seymour Cray

6. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

7. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.