1. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

2. Who invented google ?

Answer:

Larry Page

3. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

4. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

5. Who invented Vaccine of Rabies ?

Answer: Louis Pasteur of France in 1885

6. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

7. Who invented Safety razor ?

Answer: King Camp Gillette of U.S.A. in 1903