An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The ball on top of a flagpole is called a 'truck'.
24
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The electric chair was invented by a dentist!
122
Energy is being wasted if a toaster is left plugged in after use.
21