Originally, BMW was an airplane engine manufacturer.
69
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 small airplane can fly backwards.
75
Sony researchers have developed a refrigerator that only opens when you smile.
9
The first hard drive available for the Apple II had a capacity of only 5 megabytes.
46
Kleenex tissues were originally used as filters in gas masks.
46