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
A small airplane can fly backwards.
75
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Sony researchers have developed a refrigerator that only opens when you smile.
9
The electric chair was invented by a dentist!
122
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43