The cigarette lighter was invented before the match.
210
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Sony researchers have developed a refrigerator that only opens when you smile.
9
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
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