An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
A small airplane can fly backwards.
75
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
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
In the early 1960's, Porsche commercially manufactured farm tractors.
24
It takes six months to build a Rolls Royce...and 13 hours to build a Toyota.
93
Mico headphones read your brainwaves and select music based on your state of mind.
7
The United States produces enough plastic film annually to cover the entire state of Texas.
13