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
Castor oil is used as a lubricant in jet planes.
-5
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The cigarette lighter was invented before the match.
210
Attics were invented in Attica.
43
Energy is being wasted if a toaster is left plugged in after use.
21
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The electric chair was invented by a dentist!
122