1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented Computer ?

Answer:

Charles Babbage

3. Who invented Transformer ?

Answer:

Ottó Bláthy

4. Who invented Safety Pin ?

Answer: Walter Hunt of U.S.A. in 1849

5. Who invented Neutron ?

Answer:

JAMES CHADWICK in 1932

6. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

7. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table