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Why am I not allowed to use my cell phone in airplanes or hospitals?
electronics.howstuffworks.com/question230.htm
Electromagnetic interference can create problems in some equipment in airplanes and hospitals. Learn about electromagnetic interference from cell phones.
If Your U.S. Money Gets Shredded, You're Not SOL
money.howstuffworks.com/shredded-money.htm
What happens when your cash gets damaged due to fire, flood or Fido deciding to eat it? Are you out of luck? HowStuffWorks tells you what to do next.
11 Basic Math Symbols and How to Use Them
science.howstuffworks.com/math-concepts/basic-math-symbols.htm
Math is a language of symbols and equations and knowing the basic signposts is the first step in solving mathematical problems.
12 Weird Words That Don't Always Mean What They Used To
people.howstuffworks.com/weird-words.htm
The English language is full of quirks, and sometimes weird words sneaks into your vocabulary that make you stop and scratch your head when you really think about them.
Could blood be used to power batteries?
electronics.howstuffworks.com/everyday-tech/blood-battery.htm
Blood batteries as thin as a sheet of paper are currently under development by scientists at Rensselaer Polytechnic Institute. Read about blood batteries.
The Best-selling Beer in America Isn't From the U.S.
money.howstuffworks.com/best-selling-beer-in-america.htm
Beer is as much a part of American culture as burgers and baseball. Look at any tailgating party, Sunday cookout, after-work happy hour or marathon recovery tents; you'll see that ice-cold beer has become a ubiquitous social staple. And the best-selling beer in America reflects trends in consumer preferences.
Why Does the U.S. House of Representatives Have Only 435 Seats?
people.howstuffworks.com/house-representatives-435-seats.htm
That's about one House member for every 761,169 people, which is far less representative than when the nation was founded. How can that be changed?
How Verbal Irony Works: Examples and Practical Uses
entertainment.howstuffworks.com/arts/literature/verbal-irony.htm
Verbal irony is a clever twist of language that keeps conversations interesting and adds humor by contrasting what is said with what is meant.
Should the U.S. Move to Permanent Daylight Saving Time?
science.howstuffworks.com/environmental/earth/geophysics/permanent-daylight-saving-time-news.htm
Few Americans like the switching between Daylight Saving Time and Standard Time, but there's conflict on whether to switch permanently to DST or to ST.
Will the U.S. Ever Run Out of Telephone Numbers?
electronics.howstuffworks.com/phone-number-shortage.htm
The list of usable phone numbers runs into the billions, but the number is not infinite. So, what happens if we run out?