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
Mico headphones read your brainwaves and select music based on your state of mind.
7
Energy is being wasted if a toaster is left plugged in after use.
21
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308