The electric chair was invented by a dentist!
122
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12
Whale oil was used in automobile transmissions as late as 1973.
56
Castor oil is used as a lubricant in jet planes.
-5
The first alarm clock could only ring at 4 a.m.
120
A small airplane can fly backwards.
75
Kleenex tissues were originally used as filters in gas masks.
46