1. Who invented Stainless Steel ?

Answer: Harry Brearley of Britain in 1913.

2. Who invented Electron ?

Answer: Thomson. J of Britain in 1897

3. Who invented google ?

Answer:

Larry Page

4. Who invented c language

Answer:

Dennis Ritchie

5. Who invented Automatic rifle ?

Answer: John Browning of U.S.A. in 1918.

6. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

7. Who invented Radar ?

Answer:

Sir Robert Watson-Watt