1. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

2. Who invented Periodic table ?

Answer:

Dmitri Mendeleev invented Periodic Table

3. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

4. Who invented Television ?

Answer:

John Logie Baird

5. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

6. Who invented Ball-Point Pen ?

Answer: John J. Loud of U.S.A. in 1888

7. Who invented Laptop ?

Answer:

Adam Osborne in 1981.