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
The cigarette lighter was invented before the match.
210
A small airplane can fly backwards.
75
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25