The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
Castor oil is used as a lubricant in jet planes.
-5
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The cigarette lighter was invented before the match.
210
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25


