1. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

2. Who invented paper ?

Answer:

Cai Lun

3. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

4. Who invented Calculus ?

Answer: Newton of Britain in 1670.

5. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

6. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

7. Who invented google ?

Answer:

Larry Page