First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
More than a billion transistors are manufactured every second.
-25
The life boat was patented in 1845!
29
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The first alarm clock could only ring at 4 a.m.
120
The electric chair was invented by a dentist!
122
The cigarette lighter was invented before the match.
210