To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
More than a billion transistors are manufactured every second.
-25
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
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
The life boat was patented in 1845!
29
Sony researchers have developed a refrigerator that only opens when you smile.
9
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60