The IRS processes more than 2 billion pieces of paper each year.
28
A toaster uses almost half as much energy as a full-sized oven.
33
In the early 1960's, Porsche commercially manufactured farm tractors.
24
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
The oil used by jewelers to lubricate clocks and watches costs about $3,000 a gallon.
41
