Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
A small airplane can fly backwards.
75
A toaster uses almost half as much energy as a full-sized oven.
33
Castor oil is used as a lubricant in jet planes.
-5
A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41