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 toaster uses almost half as much energy as a full-sized oven.
33
The first alarm clock could only ring at 4 a.m.
120
The cigarette lighter was invented before the match.
210
There are only 14 blimps in the world.
69
In 1998, Sony accidently sold 700,000 camcorders that had the technology to see through people's clothes.
88
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7