1. Who invented Hydrogen bomb ?

Answer:

Edward Teller

2. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

3. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805

4. Who invented Aspirin ?

Answer:

Felix Hoffmann invented Aspirin

5. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

6. Who invented Floppy disk ?

Answer: IBM in 1970

7. Who invented by Electric Lamp ?

Answer: Thomas Alva Edison of U.S.A. in 1879