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10 Most Common Attractive Nuisances
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Attractive nuisances often draw the attention of children and can cause injuries or even death. What common features of your neighborhoods are considered attractive nuisances?
How Telephones Work
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Telephones are one of the most important and useful modern inventions. Learn about telephone operation, creating a telephone network and tones and bandwidth.
How Two-line Phones Work
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Two-line phones incorporate two separate phone lines into one device. Learn how two-line phones work and why business travelers love them.
How Electronic Gates Work
electronics.howstuffworks.com/digital-electronics.htm
Would you like to be able to build your own digital devices? Logic gates are the basis of digital electronics. Find out what these gates do and how you can use them to start building your own devices.
How Carbon Monoxide Detectors Work
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Carbon monoxide detectors help protect your family from deadly carbon monoxide gas. Find out how carbon monoxide detectors sense dangerous molecules.
How to Make Your Home Energy Efficient
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Sealing siding cracks, caulking windows, and upgrading attic or siding insulation can give you a more energy efficient home. Learn more.
Tech Talk: CPU Quiz
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When you sit at your computer, browsing the Internet, playing video games and running word processors, it's easy to feel like you're in control. But have you ever thought about what really makes your desktop or laptop run?
How Power Windows Work
auto.howstuffworks.com/power-window.htm
Ever wonder what's behind the auto-up feature that can detect obstacles? Power windows are one of those hidden miracles in cars -- they're actually pretty amazing once you learn about them. Find out how power windows operate!
Can wearing magnets really repel sharks?
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You may be able to repel sharks simply by wearing some magnets. But what's so abhorrent about a magnet to a shark? Find out why magnets repel sharks.
How Green are Automotive Lithium-Ion Batteries?
auto.howstuffworks.com/fuel-efficiency/vehicles/how-green-are-automotive-lithium-ion-batteries.htm
Fossil fuels (like gasoline and diesel) are running out and getting a bad rap for nasty tailpipe emissions -- and rightly so. Learn more about how green are automotive lithium-ion batteries.