Kleenex tissues were originally used as filters in gas masks.
46
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
The life boat was patented in 1845!
29
Any modern jet is capable of breaking the sound barrier.
34
Jumbo jets use 4,000 gallons of fuel to take off.
19