Castor oil is used as a lubricant in jet planes.
-5
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
Sony researchers have developed a refrigerator that only opens when you smile.
9
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
A small airplane can fly backwards.
75
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25

