1. Who invented Radar ?

Answer:

Sir Robert Watson-Watt

2. Who invented Aeroplane

Answer: Orville & Wilbur Wright in 1903

3. Who invented Laser ?

Answer:

Charles H. Townes

4. Who invented Diesel Engine ?

Answer: Rudoff Diesel of Germany in 1895

5. Who invented Transformer ?

Answer:

Ottó Bláthy

6. Who invented paper ?

Answer:

Cai Lun

7. Who invented Super Computer ?

Answer:

Seymour Cray