An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The cigarette lighter was invented before the match.
210
The average car produces a pound of pollution every 25 miles!
18
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
