The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
There are only 14 blimps in the world.
69
More than a billion transistors are manufactured every second.
-25
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
The cigarette lighter was invented before the match.
210