The cigarette lighter was invented before the match.
210
A small airplane can fly backwards.
75
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Kleenex tissues were originally used as filters in gas masks.
46
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25