The cigarette lighter was invented before the match.
210
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47
A toaster uses almost half as much energy as a full-sized oven.
33
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
Mico headphones read your brainwaves and select music based on your state of mind.
7
