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How the PlayStation Camera Works
electronics.howstuffworks.com/playstation-camera.htm
The PlayStation Eye is Sony's latest entry into the video gaming camera market. Find out how it's hoping to make your handheld controller obsolete.
How to Make Your Home Energy Efficient
home.howstuffworks.com/green-living/how-to-make-your-home-energy-efficient.htm
Sealing siding cracks, caulking windows, and upgrading attic or siding insulation can give you a more energy efficient home. Learn more.
Christmas Songs
people.howstuffworks.com/culture-traditions/holidays-christmas/christmas-songs.htm
Christmas songs range from traditional carols to fun secular music. Get lyrics and free, printable sheet music for your favorite Christmas songs here.
How Barack Obama Works
history.howstuffworks.com/historical-figures/barack-obama.htm
Barack Obama is a candidate who ran for president in the 2008 United States election. Learn about presidential candidate Barack Obama.
How Surround Sound Works
electronics.howstuffworks.com/surround-sound.htm
Learn about surround sound technology, get buying tips, read sound system reviews and compare prices and features on popular system models.
How the Euro Works
money.howstuffworks.com/euro.htm
As of January 1, 2002, the euro is the official monetary unit of 12 nations. Find out all about the euro, who's using it and the widespread effects of having a single European currency.
How Organ Transplants Work
health.howstuffworks.com/medicine/modern-treatments/organ-transplant.htm
Today, most organ transplants are relatively safe procedures. Learn about living and cadaverous organ donors and how organs are matched to recipients.
How Laughter Works
science.howstuffworks.com/life/inside-the-mind/emotions/laughter.htm
In this article, we'll look at laughter -- what it is, what happens in our brains when we laugh, what makes us laugh and how it can make us healthier and happier. You'll also learn that there's a tremendous amount that no one understands yet.
How E-voting Works
people.howstuffworks.com/e-voting.htm
E-voting lets votes be cast and tabulated electronically. Learn about e-voting systems, e-voting concerns like voter fraud and voting over the internet.
How Airport Security Works
science.howstuffworks.com/transport/flight/modern/airport-security.htm
According to the Department of Homeland Security 730 million people travel on passenger jets every year. Are these folks safe? Find out how high-tech solutions are being used to make flying as safe as possible.