Sony researchers have developed a refrigerator that only opens when you smile.
9
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Energy is being wasted if a toaster is left plugged in after use.
21
The cigarette lighter was invented before the match.
210
Originally, BMW was an airplane engine manufacturer.
69
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33