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How does a vibrating cell phone or pager work?
electronics.howstuffworks.com/question368.htm
I have both a pager and a cell phone that vibrate instead of ringing when I get a call. How does that work?
How Automobiles Work
auto.howstuffworks.com/automobile.htm
We have dozens of different articles at HowStuffWorks that explain all the intricacies of our automobiles. Check out some of the highlights.
How Cars Work
auto.howstuffworks.com/car.htm
A car contains dozens of different technologies. Everything from the engine to the tires is its own special universe of design and engineering.
How Special Relativity Works
science.howstuffworks.com/science-vs-myth/everyday-myths/relativity.htm
Special relativity deals in phenomena that don't agree with our historical or commonsense views of how the universe works. In fact, many of the theory's assertions almost appear ludicrous.
How Is Color Added to Old Black-and-white Movies?
entertainment.howstuffworks.com/question184.htm
Love it or hate it, most of the classic black-and-white movies have been "colorized," mainly so that they can be shown on television in color. How does the colorization process work?
Why Does Your Body Temperature Rise When You Have a Virus Such as the Flu?
science.howstuffworks.com/life/cellular-microscopic/question45.htm
Your body temperature rises when you have a virus, such as the flu, but why? Find out what causes a rise in your body temperature when you're sick.
How to Relieve Sciatic Nerve Pain
health.howstuffworks.com/diseases-conditions/pain/nerve/how-to-relieve-sciatic-nerve-pain.htm
How to relieve sciatic nerve pain. Visit HowStuffWorks to learn more about how to relieve sciatic nerve pain.
Can owning a hybrid car get me an HOV decal?
auto.howstuffworks.com/fuel-efficiency/hybrid-technology/owning-hybrid-hov-decal.htm
Can owning a hybrid get me an HOV decal? Find out if owning a hybrid can get you an HOV decal at HowStuffWorks.
How Smoke Detectors Work
home.howstuffworks.com/home-improvement/household-safety/smoke.htm
As the saying goes, "Where there's smoke, there's fire." Smoke detectors are amazing: They're pretty inexpensive, but they save thousands of lives each year. Learn all about nuclear and light-sensing smoke detectors.
How and why do carcinogens cause cancer?
health.howstuffworks.com/diseases-conditions/cancer/facts/carcinogens-cause-cancer.htm
Why do carcinogens cause cancer? Take a look at studies on common carcinogens and learn how carcinogens cause cancer at Discovery Health.