There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The average car produces a pound of pollution every 25 miles!
18
The ball on top of a flagpole is called a 'truck'.
24
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
Castor oil is used as a lubricant in jet planes.
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