1. Who invented Bicyle ?

Answer: Kirkpatrick Macmillan of Britain.

2. Who invented Super Computer ?

Answer:

Seymour Cray

3. Who invented X-ray ?

Answer: W.K. Roentgen of Germany in 1895.

4. Who invented Floppy disk ?

Answer: IBM in 1970

5. Who invented Radiocarbon ?

Answer:

Willard Libby

6. Who invented Vitamin K ?

Answer: Doisy Dam of U.S.A. in 1938.

7. Who invented Locomotive ?

Answer:

George Stephenson was first to buit steam locomotives.