To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
The life boat was patented in 1845!
29
The ball on top of a flagpole is called a 'truck'.
24
All GPS units sold in the civilian market have to be programmed to deactivate themselves if they detect they are travelling faster than 1200 MPH or are above 60,000 feet in altitude to prevent them being used in intercontinental ballistic missiles.
2
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
Castor oil is used as a lubricant in jet planes.
-5