There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
Energy is being wasted if a toaster is left plugged in after use.
21
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


