Sony researchers have developed a refrigerator that only opens when you smile.
9
In the early 1960's, Porsche commercially manufactured farm tractors.
24
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
Energy is being wasted if a toaster is left plugged in after use.
21
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Contrary to popular belief, putting sugar in a car's gas tank will NOT ruin its engine.
25