1. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

2. Who invented Air Conditioning ?

Answer:

Willis Carrier in 1902

3. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

4. Who invented Ballistic missile ?

Answer: Wemher von Braun of Germany in 1944.

5. Who invented Vitamin D ?

Answer:

Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

6. Who invented Nylon ?

Answer:

Wallace Carothers

7. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951