A car operates at maximum economy, gas-wise, at speeds between 25 and 35 miles per hour.
-4
Castor oil is used as a lubricant in jet planes.
-5
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The IRS processes more than 2 billion pieces of paper each year.
28
The life boat was patented in 1845!
29
Car airbags kill 1 person for every 22 lives that they save.
80
Mico headphones read your brainwaves and select music based on your state of mind.
7