1. Who invented Nylon ?

Answer:

Wallace Carothers

2. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

3. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

4. Who invented Proton ?

Answer:

Ernest Rutherford

5. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

6. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

7. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table