A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The ball on top of a flagpole is called a 'truck'.
24
Castor oil is used as a lubricant in jet planes.
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