- Bulb was invented by?
- Eyeglasses are invented in Italy in________?
- In 1940, first electronic computer was invented by_______?
- Edwin Budding who invented Lawnmover belongs to__________?
- Radio was invented by_____________in 1895?
- The Battery was invented by?
- Who invented optical fiber?
- The World Wide Web was invented by____________?
- Jet Engine was invented by_____________?
- When was the game Frisbee invented?
- For enhancing the operational capabilities, which model of helicopter has been inducted into PAF?
- The US president who invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel was___________?