In the early 1960's, Porsche commercially manufactured farm tractors.
24
Kleenex tissues were originally used as filters in gas masks.
46
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Jumbo jets use 4,000 gallons of fuel to take off.
19
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7