A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Castor oil is used as a lubricant in jet planes.
-5
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
More than a billion transistors are manufactured every second.
-25
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184