Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The first alarm clock could only ring at 4 a.m.
120
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
A small airplane can fly backwards.
75
Originally, Nintendo was a playing card manufacturer.
70