Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
The ball on top of a flagpole is called a 'truck'.
24
A fully loaded supertanker traveling at normal speed takes a least twenty minutes to stop.
27
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
The life boat was patented in 1845!
29