A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
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


