Jumbo jets use 4,000 gallons of fuel to take off.
19
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The ball on top of a flagpole is called a 'truck'.
24
A toaster uses almost half as much energy as a full-sized oven.
33
There are only 14 blimps in the world.
69
Kleenex tissues were originally used as filters in gas masks.
46
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308