1. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

2. Who invented Dynamo ?

Answer:

Hypolite Pixii of France in 1832

3. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

4. Who invented Laser ?

Answer:

Charles H. Townes

5. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

6. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

7. Who invented Atomic theory ?

Answer: Dalton of Britain in 1803.