1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.

3. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

4. Who invented Steam Engine ?

Answer: Thomas Savery of Britain in 1698

5. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

6. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

7. Who invented Laser ?

Answer:

Charles H. Townes