Castor oil is used as a lubricant in jet planes.
-5
The ball on top of a flagpole is called a 'truck'.
24
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
Sony researchers have developed a refrigerator that only opens when you smile.
9
A small airplane can fly backwards.
75
There’s an internet-enabled jacket which gives you a “hug” every time a Facebook friend likes your status.
12