Castor oil is used as a lubricant in jet planes.
-5
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Any modern jet is capable of breaking the sound barrier.
34
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Sony researchers have developed a refrigerator that only opens when you smile.
9
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4