The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The ball on top of a flagpole is called a 'truck'.
24
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Kleenex tissues were originally used as filters in gas masks.
46
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
The electric chair was invented by a dentist!
122
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46