Whale oil was used in automobile transmissions as late as 1973.
56
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
More than a billion transistors are manufactured every second.
-25
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
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
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2