Who Invented LCD Projector?
1). Gene Dolgoff
2). Brendan Eich
3). Douglas Engelbart
4). Federico Faggin
1. What did J. B. Dunlop invent?
3. Who invented the contact lens?
4. Who pioneered diagnostic ultrasound?
5. Who Invented water turbine?
6. Who among the following devised the technique IVF (In vitro Fertilization)?
8. Who discovered the colour photography?
9. Who discovered electricity and invented the lightning rod and bifocals?