Kleenex tissues were originally used as filters in gas masks.
46
A small airplane can fly backwards.
75
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Originally, Nintendo was a playing card manufacturer.
70
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20