A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Castor oil is used as a lubricant in jet planes.
-5
Any modern jet is capable of breaking the sound barrier.
34
Sony researchers have developed a refrigerator that only opens when you smile.
9
Originally, BMW was an airplane engine manufacturer.
69
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184

