1. Who invented Barometer ?

Answer: Evangelista Torricelli of Italy in 1644

2. Who invented colour television ?

Answer:

Peter Carl Goldmark

3. Who invented paper ?

Answer:

Cai Lun

4. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

5. Who invented Television ?

Answer:

John Logie Baird

6. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.

7. Who invented Refrigerator ?

Answer:

Oliver Evans in 1805