Featured Article: 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. See more »
household appliances channel library
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 21-40 of 40
How the iRobot Looj Works
Cleaning out your gutters can be a tricky, dangerous project. Climbing up ladders and heaving large piles of leaves only increases your risk of injury. That's where the iRobot Looj comes in.
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How Thermometers Work
Thermometers are used in everything from medicine to cooking. Find out how thermometers gauge temperature and learn how to make your own!
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How Thermoses (Vacuum Flasks) Work
How can the same device keep hot things hot and cold things cold? Find out what goes on inside a Thermos!
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How Three-Way Switches Work
You probably have at least one light that is controlled by two separate switches -- either switch can turn it on or off. Find out how the light knows what to do with two sources of input.
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How to Choose a New Water Heater
Your water heater's just bought the farm, and now you're in the market for a new one. Where to start? From fuel source to size, here's what you need to know.
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How Water Heaters Work
You probably don't give it much thought until the shower goes cold, but water heaters are part of our daily lives. Find out how these ever-important appliances produce hot water -- and what may be wrong if they don't.
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The Ultimate 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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Top 10 Appliances We Can't Live Without
In a pinch, you could probably do without most of the appliances in your home -- but would you want to? Life would certainly be different without these 10.
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Top 10 Wacky Inventions for the Home
A levitating lounger, a toilet seat that rises to greet you, a fold-out balcony. Some of these household gadgets are useful, and some are absolute fluff.
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What causes the loud banging noise in my home's pipes?
What causes the loud banging noise in my home's pipes? For example, when I turn off the faucet I hear it. Is there a way to prevent it?
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What is the crystalline substance found in disposable diapers?
When we change our baby's diaper, he often has what we politely refer to as "crystal butt." There are little clear crystals on his bottom. It seems like they come from his diaper. Do you know what these crystals are?
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What is the difference between a fluorescent light and a neon light?
Have you ever wondered what the difference is between a fluorescent light and a neon light? We'll explain both technologies in this article.
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Why are my power bills so high? Which appliances use the most power?
Just reading a power bill is a tricky way to determine what appliances are using the most power. Learn what appliances are sucking your pockets dry.
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Why do the two flat prongs on the plugs for electrical appliances have holes in them?
If you unplug any appliance in your house, there's a 98 percent chance than the two flat prongs have holes in them. Find out the reasons for these holes.
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How to Build a Lamp
Give your home lighting a stylish and inexpensive update with these easy instructions for making a table lamp, building a stovepipe lamp, or covering a lamp shade for a brand new look.
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Small Appliance Basics
Coffee makers, vacuum cleaners, hair dyers -- you probably have one or all of these in your home? Learn about the differences between heating appliances, motor appliances, and combination appliances in this article.
See more »How do sodium-acetate heat pads work?
I have a heating pad that is made of a plastic pouch and a clear liquid. When I click a metal disk inside the pouch, the liquid somehow crystallizes and gets very warm. The warmth lasts about two hours, and then I boil it to "reset" it. What is going on? How many times can it go through the boiling cycle?
See more »How does a dehumidifier work?
A dehumidifier draws humidity out of the air. Find out how a dehumidifier works.
See more »How much does it cost to run an electric blanket?
Can you tell me approximately how much it costs to leave an electric blanket on all day?
See more »How Pilot Lights Work
Helps you understand how the pilot light in your furnace or water heater works.
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Articles 21-40 of 40
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