There are only 14 blimps in the world.
69
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7
A small airplane can fly backwards.
75
The cigarette lighter was invented before the match.
210
In the early 1960's, Porsche commercially manufactured farm tractors.
24
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4