Do you know who invented the telephone, the electricity or the light bulb?.
Did you know that some of the inventions that changed our world, like the penicillin, the Microwave or the friction matches were discovered by chance?.
Did you know that popsicle was invented by 11-year-old boy?.
Did you know that the invention of the seat belt saves over four thousand lives a year?.
Did you know that tea bags were just an easy way to send samples to customers?.
Want to learn more interesting fact ?
Challenge yourself and see how much you know about thing you probably use in your everyday life. Tap the smart owl icon to learn interesting facts about the World's Greatest Inventors & discoverers.
- 120 great inventors quiz
- 3 Difficulty levels
- Practice mode (top left corner) - No scores. Just sharpen your knowledge
- Press the owl icon to learn interesting facts about the inventor.
For feedbacks, new ideas or anything else, please contact us at: firstname.lastname@example.org
- June 06, 2014 Initial release
- May 30, 2015 New version 1.3.1