The life boat was patented in 1845!
29
Castor oil is used as a lubricant in jet planes.
-5
The ball on top of a flagpole is called a 'truck'.
24
The electric chair was invented by a dentist!
122
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
The average car produces a pound of pollution every 25 miles!
18
Surgeons who grew up playing video games make 37 percent fewer mistakes.
250