The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
More than a billion transistors are manufactured every second.
-25
A small airplane can fly backwards.
75
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
Originally, Nintendo was a playing card manufacturer.
70
The cigarette lighter was invented before the match.
210
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Any modern jet is capable of breaking the sound barrier.
34