Attics were invented in Attica.
43
The IRS processes more than 2 billion pieces of paper each year.
28
There are only 14 blimps in the world.
69
More than a billion transistors are manufactured every second.
-25
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
A small airplane can fly backwards.
75
Sony researchers have developed a refrigerator that only opens when you smile.
9
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41