Sony researchers have developed a refrigerator that only opens when you smile.
9
The first alarm clock could only ring at 4 a.m.
120
More than a billion transistors are manufactured every second.
-25
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The ball on top of a flagpole is called a 'truck'.
24
A toaster uses almost half as much energy as a full-sized oven.
33
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Castor oil is used as a lubricant in jet planes.
-5