1. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

2. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

3. Who invented Super Computer ?

Answer:

Seymour Cray

4. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

5. Who invented HIV ?

Answer:

6. Who invented Helicopter ?

Answer:

Igor Sikorsky

7. Who invented paper ?

Answer:

Cai Lun