There are only 14 blimps in the world.
69
Castor oil is used as a lubricant in jet planes.
-5
The life boat was patented in 1845!
29
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33