The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
A toaster uses almost half as much energy as a full-sized oven.
33
The electric chair was invented by a dentist!
122
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Castor oil is used as a lubricant in jet planes.
-5
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25