The ball on top of a flagpole is called a 'truck'.
24
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The average car produces a pound of pollution every 25 miles!
18
The life boat was patented in 1845!
29
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41