Sony researchers have developed a refrigerator that only opens when you smile.
9
The life boat was patented in 1845!
29
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Any modern jet is capable of breaking the sound barrier.
34
Kleenex tissues were originally used as filters in gas masks.
46
