Sony researchers have developed a refrigerator that only opens when you smile.
9
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The first alarm clock could only ring at 4 a.m.
120
The IRS processes more than 2 billion pieces of paper each year.
28
The cigarette lighter was invented before the match.
210
Mico headphones read your brainwaves and select music based on your state of mind.
7