Sony researchers have developed a refrigerator that only opens when you smile.
9
The United States produces enough plastic film annually to cover the entire state of Texas.
13
Kleenex tissues were originally used as filters in gas masks.
46
Mico headphones read your brainwaves and select music based on your state of mind.
7
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12



