An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Kleenex tissues were originally used as filters in gas masks.
46
The IRS processes more than 2 billion pieces of paper each year.
28
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
More than a billion transistors are manufactured every second.
-25
Originally, Nintendo was a playing card manufacturer.
70
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20