Jumbo jets use 4,000 gallons of fuel to take off.
19
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
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
The normal static electricty shock that zaps your finger when you touch a doorknob is usually between 10,000 and 30,000 volts!
60
