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How Calculators Work
electronics.howstuffworks.com/gadgets/other-gadgets/calculator.htm
Calculators may show up anywhere in our lives that numbers do -- from calculus class to restaurants. See how calculators work.
How Carbon Monoxide Detectors Work
home.howstuffworks.com/home-improvement/household-safety/carbon-monoxide-detector.htm
Carbon monoxide detectors help protect your family from deadly carbon monoxide gas. Find out how carbon monoxide detectors sense dangerous molecules.
10 Reuses for Old Video Game Controllers
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10 reuses for old video games controllers. Learn about 10 reuses for old video game controllers.
10 Security Devices to Help Keep Your Family Safe
electronics.howstuffworks.com/family-tech/tech-for-parents/10-security-devices-keep-family-safe.htm
In the market for family security devices like a alarm systems or hidden cameras? Check out 10 security devices to help keep your family safe.
Can You Name the Game Console From a Photo of the Controller?
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Growing up with video games brings a certain nostalgia. From Sega to Nintendo, how many consoles do you remember? Find out by taking this HowStuffWorks quiz!
What is optical audio?
electronics.howstuffworks.com/gadgets/audio-music/optical-audio.htm
Optical audio offers a new way to send audio and video from your gear to your ear. Learn how optical audio works.
How Laser Levels Work
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Laser levels will help you to hang your pictures all in a line. Learn how laser levels work and how to use a laser level to hang pictures.
Was Lucifer an Archangel? Biblical and Literary Portrayals
people.howstuffworks.com/was-lucifer-an-archangel.htm
Lucifer, whose name means "light bearer," is one of the most complex and significant figures in Christian tradition. Originally a high-ranking angel created by God, Lucifer's fall from grace is a powerful narrative that has shaped religious and literary depictions of evil for centuries.
How the ZeroHouse Works
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The zeroHouse may be costly to build, but the zeroHouse could certainly save you on energy bills. Read more about the zeroHouse.
How are interior car panels installed?
auto.howstuffworks.com/under-the-hood/auto-manufacturing/interior-car-panels-installed.htm
How are interior car panels installed? Visit HowStuffWorks to learn how interior car panels are installed.