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.


The green movement is bringing tankless water heaters to the forefront of the appliance market. They last longer, don't take up much space and give you as much hot water as you want. Is there a catch?

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.

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.

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?

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.

A home intercommunication system is more than just an easy way to call the family to dinner or to summon someone for a phone call. Learn more, including how to install one in your home.

Is the water in your home not getting hot? Chances are the pilot light on your hot water heater has gone out. Find out how the pilot light in your furnace or water heater works.

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.

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

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!).

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!

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.

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?

You may not have given it much thought, but your hair dryer is specially designed to prevent bad things from happening to you and your head. Why is it that your hair dryer doesn't get too hot to hold? And how does it avoid burning your scalp?

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.

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?

How do halogen lights work? How are they different from normal light bulbs? Why are they sometimes called "quartz halogen"?

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?

You might have heard that fluorescent bulbs are supposed to be more efficient than normal light bulbs, but is this really the case?

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?

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.

Have you ever wondered what the difference is between a fluorescent light and a neon light? We'll explain both technologies in this article.

I have read that it is possible for people to listen in on baby monitors. Is this true? Can people hear my baby monitor?

Fluorescent starters are used in several types of fluorescent lights. The starter is there to help the lamp light.

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?