Castor oil is used as a lubricant in jet planes.
-5
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Henry Ford produced the model T only in black because the black paint available at the time was the fastest to dry.
33
Originally, Nintendo was a playing card manufacturer.
70
The life boat was patented in 1845!
29
There are only 14 blimps in the world.
69
Thomas Alva Edison patented almost 1,300 inventions in his lifetime!
144