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
The first alarm clock could only ring at 4 a.m.
120
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
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The ball on top of a flagpole is called a 'truck'.
24
The electric chair was invented by a dentist!
122