1. Who invented Microphone ?

Answer:

Emile Berliner invented the first microphone in 1876.

2. Who invented Computer ?

Answer:

Charles Babbage

3. Who invented DNA Structure ?

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

4. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

5. Who invented Steam Engine (Condenser)

Answer: James Watt of Britain in 1765

6. Who invented Calculus ?

Answer: Newton of Britain in 1670.

7. Who invented CT scan ?

Answer: Hounsfield by Britain in 1973.