Castor oil is used as a lubricant in jet planes.
-5
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
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
The first alarm clock could only ring at 4 a.m.
120
Originally, BMW was an airplane engine manufacturer.
69