The cigarette lighter was invented before the match.
210
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Any modern jet is capable of breaking the sound barrier.
34
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
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
