Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
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
Castor oil is used as a lubricant in jet planes.
-5
The ball on top of a flagpole is called a 'truck'.
24
There are only 14 blimps in the world.
69
Whale oil was used in automobile transmissions as late as 1973.
56