A small airplane can fly backwards.
75
The first alarm clock could only ring at 4 a.m.
120
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25
The cigarette lighter was invented before the match.
210
Originally, BMW was an airplane engine manufacturer.
69
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144