There are only 14 blimps in the world.
69
More than a billion transistors are manufactured every second.
-25
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
Castor oil is used as a lubricant in jet planes.
-5
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23
The IRS processes more than 2 billion pieces of paper each year.
28