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
More than a billion transistors are manufactured every second.
-25
The life boat was patented in 1845!
29
Energy is being wasted if a toaster is left plugged in after use.
21
The IRS processes more than 2 billion pieces of paper each year.
28
