The IRS processes more than 2 billion pieces of paper each year.
28
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Mico headphones read your brainwaves and select music based on your state of mind.
7
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The electric chair was invented by a dentist!
122
Whale oil was used in automobile transmissions as late as 1973.
56