An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
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
Kleenex tissues were originally used as filters in gas masks.
46
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4