It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Castor oil is used as a lubricant in jet planes.
-5
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The first alarm clock could only ring at 4 a.m.
120
Google founders Sergey Brin and Larry Page have expressed their desire to see the search engine become artificial intelligence itself. To achieve that goal, they created the highly-protected “X lab.”
-7
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The IRS processes more than 2 billion pieces of paper each year.
28