Castor oil is used as a lubricant in jet planes.
-5
More than a billion transistors are manufactured every second.
-25
The first alarm clock could only ring at 4 a.m.
120
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The cigarette lighter was invented before the match.
210
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
The Queen Mary - the grandest vessel of her day - had many of her vital components made by car manufacturer Skoda!
23