The life boat was patented in 1845!
29
Kleenex tissues were originally used as filters in gas masks.
46
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
A small airplane can fly backwards.
75
Originally, Nintendo was a playing card manufacturer.
70