First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Castor oil is used as a lubricant in jet planes.
-5
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
