The electric chair was invented by a dentist!
122
A small airplane can fly backwards.
75
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
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
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
There are only 14 blimps in the world.
69
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60