First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Mico headphones read your brainwaves and select music based on your state of mind.
7
There are only 14 blimps in the world.
69
The cigarette lighter was invented before the match.
210
Energy is being wasted if a toaster is left plugged in after use.
21