Featured Article: How Air Conditioners Work
Air conditioning has fundamentally changed how people experience the world. When it's hot outside, walking into an air-conditioned house is like walking into another season. See more »
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Household appliances and amenities surround you every day, but do you ever wonder how they work? Explore household items and learn how they work.
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Articles 1-20 of 39
Appliance Quiz
Most of us couldn't live without our coffee maker, let alone our fridge or -- perish the thought -- even our toilet. These spoils of modern civilization are truly marvels of technology.
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Are fluorescent bulbs really more efficient than normal light bulbs?
You might have heard that fluorescent bulbs are supposed to be more efficient than normal light bulbs, but is this really the case?
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Can anyone hear my baby monitor?
I have read that it is possible for people to listen in on baby monitors. Is this true? Can people hear my baby monitor?
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How Air Conditioners Work
Air conditioning has fundamentally changed how people experience the world. When it's hot outside, walking into an air-conditioned house is like walking into another season.
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How Air Purifiers Work
Americans spend an estimated $250 million annually on air purifiers for their homes. Asthma and allergy sufferers are responsible for most of these sales. How can you benefit from owning an air purifier?
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How Dimmer Switches Work
A regular light switch takes care of off and on. A dimmer switch handles off, on and everything in between. Find out what this clever switch does with electrical current.
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How does a candle work?
How do candles work? What keeps the wick burning, seemingly forever, when the same twine would completely burn up in a matter of minutes if it weren't engulfed in wax? Why won't the wax burn without a wick?
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How does a fluorescent starter work?
Fluorescent starters are used in several types of fluorescent lights. The starter is there to help the lamp light.
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How does a GFCI outlet work?
In my bathroom there is a plug that has a "Test" and a "Reset" button. When I push the "Test" button, it cuts off the current to the outlet. What is this? How is it different from the fuse in the fuse box?
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How does a halogen light bulb work?
How do halogen lights work? How are they different from normal light bulbs? Why are they sometimes called "quartz halogen"?
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How does a three-way light bulb work?
A three-way bulb has two filaments, which allows the light to be turned on at different light levels. Learn about a three-way bulb.
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How Fluorescent Lamps Work
You see fluorescent lighting all over the place -- in offices, homes, stores, dressing rooms. But there's a certain mystery to it. Find out what's going on inside these glowing tubes!
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How Grills Work
Ribs, chicken and lots of barbecue sauce. Steaks, burgers, hot dogs and assorted veggies. Summer is prime grilling season. Ever wonder how these treats get so tasty?
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How Home Thermostats Work
It's either too cold or too hot in your house. So, you turn a dial, press a button or move a lever -- do you know what happens after that? Look inside a home thermostat and see how it controls your indoor climate.
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How Humidifiers Work
Is the air feeling a little too dry in your home? A humidifier can help make things more comfortable -- and even save a little wear and tear on your house. You might be surprised how big a difference a little water can make.
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How Hybrid Appliances Work
In these modern times, wouldn't you figure that everything that needs to be invented already has been invented? Perhaps. But now people are combining inventions to make an entirely new product.
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How Light Bulbs Work
The light bulb hasn't changed a whole lot in its 120 years -- the original design was just that good. Apparently, you can throw together a filament, a glass mount, an inert gas and a bit of electricity and change the world. Learn what happens when yo
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How Liquid Motion Lamps Work
With bright colors and mesmerizing displays, lava lamps have become a popular icon of pop culture. Watch a quick video and read the article to learn more about the history and science behind these groovy liquid motion lamps.
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How much ice would I have to store up in the winter in order to air condition my house all summer?
How much ice would I have to store up in the winter in order to air condition my house all summer?
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How Sewing Machines Work
The sewing machine took a time-consuming, laborious task and made it super fast and easy. Find out what goes on inside this ingenious device (and check out the high-tech upgrades!).
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Articles 1-20 of 39
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