Sony researchers have developed a refrigerator that only opens when you smile.
9
The United States produces enough plastic film annually to cover the entire state of Texas.
13
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
More than a billion transistors are manufactured every second.
-25
The first alarm clock could only ring at 4 a.m.
120
Castor oil is used as a lubricant in jet planes.
-5