1. Who invented Java Language ?

Answer:

James Gosling

2. Who invented Safety Pin ?

Answer: Walter Hunt of U.S.A. in 1849

3. Who invented Optical Fibre ?

Answer:

Indian-born American physicist Narinder Kapany

4. Who invented Machine Gun ?

Answer:

Helge Palmcrantz, Swedish inventor and industrialist

5. Who invented Biochemistry ?

Answer: Jan Baptista Van Helmont of Belgium in 1648.

6. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

7. Who invented colour television ?

Answer:

Peter Carl Goldmark