The ball on top of a flagpole is called a 'truck'.
24
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
A small airplane can fly backwards.
75
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Originally, BMW was an airplane engine manufacturer.
69
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A Citreon 2CV with an oil leak once travelled 500 miles through Italy after its gearbox was filled with bananas!
16