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
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Sony researchers have developed a refrigerator that only opens when you smile.
9
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12