Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
A small airplane can fly backwards.
75
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Castor oil is used as a lubricant in jet planes.
-5
Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1