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How Electric Motors Work
electronics.howstuffworks.com/motor.htm
Electric motors power almost everything in your kitchen, bathroom and office. But how do they perform their magic?
How does a security passcard work?
computer.howstuffworks.com/question662.htm
Security passcards are often used to gain entry into areas and buildings with restricted access. Find out what data is kept an encoded security passcard and how they work.
How to Use a Pool Vacuum
home.howstuffworks.com/how-to-use-a-pool-vacuum.htm
You'd like to vacuum your pool but you don't know how to use a pool vacuum. Read this article to learn how to use a pool vacuum.
What Is the Chandler Wobble?
science.howstuffworks.com/question442.htm
The Chandler wobble is the change in the spin of Earth on its axis. Learn more about the Chandler wobble at HowStuffWorks.
5 Polar Expeditions That Went Disastrously Wrong
history.howstuffworks.com/historical-events/5-polar-expeditions-that-went-disastrously-wrong.htm
Hundreds of explorers tried to locate the Northwest Passage. Many of those attempts ended badly. HowStuffWorks looks at five.
Why Are Planets Almost Spherical?
science.howstuffworks.com/why-are-planets-almost-spherical.htm
None of the planets in our solar system are perfect spheres, nor for that matter is our sun. Learn more about oblate spheroids at HowStuffWorks.
The Northern Lights Could Dazzle Mainland U.S. Tonight
science.howstuffworks.com/nature/climate-weather/atmospheric/northern-lights-news.htm
A geomagnetic storm could cause a spectacular aurora borealis Aug. 18 and 19 over parts of the continental United States, as far south as Illinois.
How to Put Up a Party Tent
home.howstuffworks.com/how-to-put-up-party-tent.htm
Do you know how to put up a party tent? Find out how to put up a party tent in this article from HowStuffWorks.
What If Earth's Magnetic Field Flipped?
science.howstuffworks.com/science-vs-myth/what-if/what-if-earths-magnetic-field-flipped.htm
Earth's magnetic field has flipped many times before, and scientists say it will flip again (though probably not in our lifetime). While it might not be catastrophic, a major change in the magnetic field would present a special set of problems.
How Magnets Work
science.howstuffworks.com/magnet.htm
Magnets produce magnetic fields and attract metals like iron, nickel and cobalt. They're used in all sorts of applications but how are they made and how do they work?