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
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Mico headphones read your brainwaves and select music based on your state of mind.
7
Sony researchers have developed a refrigerator that only opens when you smile.
9
Car airbags kill 1 person for every 22 lives that they save.
80
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308