The life boat was patented in 1845!
29
The IRS processes more than 2 billion pieces of paper each year.
28
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
Jumbo jets use 4,000 gallons of fuel to take off.
19
