The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
Kleenex tissues were originally used as filters in gas masks.
46
Kissenger is a pig-shaped robotic device that lets you kiss someone over the internet.
5
Jumbo jets use 4,000 gallons of fuel to take off.
19
The IRS processes more than 2 billion pieces of paper each year.
28
Energy is being wasted if a toaster is left plugged in after use.
21