Originally, BMW was an airplane engine manufacturer.
69
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
More than a billion transistors are manufactured every second.
-25
The first alarm clock could only ring at 4 a.m.
120
Car airbags kill 1 person for every 22 lives that they save.
80
Kleenex tissues were originally used as filters in gas masks.
46
