1. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

2. Who invented Computer ?

Answer:

Charles Babbage

3. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

4. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

5. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

6. Who invented Piano ?

Answer:

Bartolomeo Cristofori

7. Who invented Blood Transfusion ?

Answer: Jean-Baptiste Denys of France in 1625.