Kleenex tissues were originally used as filters in gas masks.
46
Castor oil is used as a lubricant in jet planes.
-5
More than a billion transistors are manufactured every second.
-25
The first alarm clock could only ring at 4 a.m.
120
Whale oil was used in automobile transmissions as late as 1973.
56
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The ball on top of a flagpole is called a 'truck'.
24
Car airbags kill 1 person for every 22 lives that they save.
80