HOUSEHOLD APPLIANCES

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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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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  • Are fluorescent bulbs really more efficient than normal light bulbs?

    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? See more »

  • Can anyone hear my baby monitor?

    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? See more »

  • Gas vs. Electric Stoves: Which is really more efficient?

    Gas vs. Electric Stoves: Which is really more efficient?

    When you're whipping up your famous paella, the thought of saving money and energy probably isn't at the front of your mind. Yet you could be saving money every single time you cook --if you have an energy-efficient stove. See more »

  • How Air Conditioners Work

    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. How do air conditioners keep us cool? See more »

  • How Air Purifiers Work

    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? See more »

  • How Ceiling Fans Work

    How Ceiling Fans Work

    They've been bringing us relief from the heat since the late 1800s, but do you know how ceiling fans really work? And, did you know they can help keep you warm in the winter? See more »

  • How Dehumidifiers Work

    How Dehumidifiers Work

    Humidity is bad enough when it's outdoors. When it seeps into your home, that moisture-filled air can make you uncomfortable or even ill, as well as cause damage to your home. How can a dehumidifier prevent this? See more »

  • How Dimmer Switches Work

    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 »

  • How do sodium-acetate heat pads work?

    How do sodium-acetate heat pads work?

    Heating pads are made of a plastic pouch and a clear liquid. Inside the pouch is a metal disk that when clicked crystallizes the liquid causing it to heat up. Find out how heat pads work. See more »

  • How does a candle work?

    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? See more »

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