1. Who invented Transistor ?

Answer: Bardeen, Shockley & Britain of U.S.A. in 1948

2. Who invented Vitamin C ?

Answer:

Scottish naval surgeon James Lind in 1747

3. Who invented Laptop ?

Answer:

Adam Osborne in 1981.

4. Who invented Radiocarbon ?

Answer:

Willard Libby

5. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712

6. Who invented colour television ?

Answer:

Peter Carl Goldmark

7. Who invented Bleaching Powder ?

Answer: Tennant of Britain in 1798