Castor oil is used as a lubricant in jet planes.
-5
The cigarette lighter was invented before the match.
210
The ball on top of a flagpole is called a 'truck'.
24
A small airplane can fly backwards.
75
The United States produces enough plastic film annually to cover the entire state of Texas.
13
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2