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 first alarm clock could only ring at 4 a.m.
120
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The ball on top of a flagpole is called a 'truck'.
24
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184

