Kleenex tissues were originally used as filters in gas masks.
46
A toaster uses almost half as much energy as a full-sized oven.
33
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
To have your picture taken by the very first camera you would have had to sit still for 8 hours!
308
Technically speaking, crystal glass is actually a Liquid that flows very slowly.
43
More than a billion transistors are manufactured every second.
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