The electric chair was invented by a dentist!
122
The life boat was patented in 1845!
29
Mico headphones read your brainwaves and select music based on your state of mind.
7
About 39,000 gallons of water are used to produce the average car!
14
A small airplane can fly backwards.
75
Super Nintendo and Sega Genesis had an online multiplayer mode.
-2
Any modern jet is capable of breaking the sound barrier.
34
Castor oil is used as a lubricant in jet planes.
-5