Whale oil was used in automobile transmissions as late as 1973.
56
The ball on top of a flagpole is called a 'truck'.
24
Castor oil is used as a lubricant in jet planes.
-5
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Any modern jet is capable of breaking the sound barrier.
34