In the early 1960's, Porsche commercially manufactured farm tractors.
24
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Originally, BMW was an airplane engine manufacturer.
69
Castor oil is used as a lubricant in jet planes.
-5
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
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