The electric chair was invented by a dentist!
122
Mico headphones read your brainwaves and select music based on your state of mind.
7
Castor oil is used as a lubricant in jet planes.
-5
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
Whale oil was used in automobile transmissions as late as 1973.
56
There are only 14 blimps in the world.
69
Originally, Nintendo was a playing card manufacturer.
70
The cigarette lighter was invented before the match.
210