1. Who invented Computer ?

Answer:

Charles Babbage

2. Who invented Neutron bomb ?

Answer:

Samuel T. Cohen

3. Who invented Open Heart Surgery ?

Answer:

Dr. Daniel Hale Williams

4. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

5. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

6. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.

7. Who invented Bacteria ?

Answer: Leeuwenhock of Netherlands in 1683