There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The Google driverless car has only encountered two accidents. The first it was rear ended at a stop sign, and the second was when a human was behind the wheel.
7
A small airplane can fly backwards.
75
Castor oil is used as a lubricant in jet planes.
-5
Originally, Nintendo was a playing card manufacturer.
70
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
Originally, BMW was an airplane engine manufacturer.
69