Kleenex tissues were originally used as filters in gas masks.
46
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The life boat was patented in 1845!
29
In the early 1960's, Porsche commercially manufactured farm tractors.
24
A small airplane can fly backwards.
75
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Car airbags kill 1 person for every 22 lives that they save.
80
Future biotechnology could be used to trick a prisoner's mind into thinking they have served a 1,000 year sentence in only eight hours, a group of scientists have claimed.
0