Castor oil is used as a lubricant in jet planes.
-5
More steel in the United States is used to make bottle caps than to manufacture automobile bodies.
55
The cigarette lighter was invented before the match.
210
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Originally, BMW was an airplane engine manufacturer.
69
The electric chair was invented by a dentist!
122
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