There are only 14 blimps in the world.
69
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
The life boat was patented in 1845!
29
Originally, BMW was an airplane engine manufacturer.
69
Originally, Nintendo was a playing card manufacturer.
70
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4