Kleenex tissues were originally used as filters in gas masks.
46
The life boat was patented in 1845!
29
The cigarette lighter was invented before the match.
210
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
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
A small airplane can fly backwards.
75