To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Energy is being wasted if a toaster is left plugged in after use.
21
Any modern jet is capable of breaking the sound barrier.
34
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 IRS processes more than 2 billion pieces of paper each year.
28
