The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Originally, Nintendo was a playing card manufacturer.
70
Any modern jet is capable of breaking the sound barrier.
34
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The life boat was patented in 1845!
29
