The electric chair was invented by a dentist!
122
Castor oil is used as a lubricant in jet planes.
-5
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
More than a billion transistors are manufactured every second.
-25
Whale oil was used in automobile transmissions as late as 1973.
56
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41