1. Who invented Circulation of blood ?

Answer: William Harvey of Britain in 1628

2. Who invented DNA Structure ?

Answer: Crick(UK), Waston(US), Wilkins(UK) in 1951

3. Who invented X-ray ?

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

4. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

5. Who invented Television ?

Answer:

John Logie Baird

6. Who invented watch ?

Answer:

Peter Henlein invented the first portable time piece in 1504

7. Who invented Laptop ?

Answer:

Adam Osborne in 1981.