First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Jumbo jets use 4,000 gallons of fuel to take off.
19
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
The cigarette lighter was invented before the match.
210
More than a billion transistors are manufactured every second.
-25
Castor oil is used as a lubricant in jet planes.
-5
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2