1. Who invented Telescope ?

Answer: Hans Lippershey of Netherlands in 1608.

2. Who invented Penicillin ?

Answer: Alexander Fleming of Britain in 1928.

3. Who invented Nylon ?

Answer:

Wallace Carothers

4. Who invented Floppy disk ?

Answer: IBM in 1970

5. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

6. Who invented Relativity Theory ?

Answer: Einstein of Germany in 1905.

7. Who invented Steam Engine (Piston)

Answer: Thomas Newcomen of Britain in 1712