An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The cigarette lighter was invented before the match.
210
The electric chair was invented by a dentist!
122
Originally, BMW was an airplane engine manufacturer.
69
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7