Castor oil is used as a lubricant in jet planes.
-5
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
More than a billion transistors are manufactured every second.
-25
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41