The IRS processes more than 2 billion pieces of paper each year.
28
The cigarette lighter was invented before the match.
210
Energy is being wasted if a toaster is left plugged in after use.
21
The ball on top of a flagpole is called a 'truck'.
24
Kleenex tissues were originally used as filters in gas masks.
46
Students at MIT developed a wristband that can regulate your “thermal comfort”, which could possibly eliminate the need for central heating and cooling.
17
First four countries to have television: England, the U.S., the U.S.S.R., and Brazil.
47

