More than a billion transistors are manufactured every second.
-25
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
The first alarm clock could only ring at 4 a.m.
120
The life boat was patented in 1845!
29
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Castor oil is used as a lubricant in jet planes.
-5
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43