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How do sodium-acetate heat pads work?

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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.

How do stud finders work?

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I have an electronic stud finder, and I am amazed at how well it works. How does it know where the studs are? Read this to learn how stud finders work.

How does a candle work?

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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?

How does a fluorescent starter work?

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

How does a frost-free refrigerator work?

home.howstuffworks.com/question144.htm

If you have an old refrigerator, you know about the frost that forms around the coils that cool the freezer. Learn how newer ones keep frost away.

How does a halogen light bulb work?

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A halogen light bulb is slightly different from a regular light bulb. Find out what makes a halogen light bulb different and how a halogen lamp works.

How does a time-of-use program with the power company work?

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Chances are your power company in your area advertises a "time-of-use" program. But what exactly does this mean and can you really save on your power bill by signing up for this type of service?

How does pressure-treated lumber work?

home.howstuffworks.com/home-improvement/remodeling/question278.htm

How does pressure-treated lumber work and can it be harmful to humans? Find out the answers to these questions and more in this helpful home improvement article.

How much does 20-pound bond paper weigh?

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When I buy "20-pound bond paper," what part of it weighs 20 pounds? A ream certainly doesn't weigh 20 pounds.

How much ice would I have to store up in the winter in order to air condition my house all summer?

home.howstuffworks.com/question306.htm

We use ice to cool many things from drinks to desserts. But what if ice could cool your home? Take a look at how much would be needed to keep your home comfortable.

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