In the early 1960's, Porsche commercially manufactured farm tractors.
24
The life boat was patented in 1845!
29
More than a billion transistors are manufactured every second.
-25
Kleenex tissues were originally used as filters in gas masks.
46
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Sony researchers have developed a refrigerator that only opens when you smile.
9
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250
