The ball on top of a flagpole is called a 'truck'.
24
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 first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144