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How have NASA space helmets changed optics?

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NASA space helmets are nifty devices that allow astronauts to operate in the hostile environment of space, but did you know that the technology behind them has also directly benefitted eyeballs here on Earth? Learn more about NASA and optics.

How Dual Flush Toilets Work

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Dual flush toilets handle solid and liquid waste differently from the standard toilet. Find out how dual flush toilets get rid of waste.

Is Aquarius Woman Creative or Logical? Understanding Her Unique Mind

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Is Aquarius woman unique? Discover her free-spirited personality, loyalty in friendship, innovative mindset, and how she navigates love and relationships.

What Is Asphalt Made Of?

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If you think asphalt is what hot tar roads are made of, you'd be wrong. Asphalt is only one ingredient in the recipe that makes up our roads. And it has a very long, very interesting history.

Ultimate Guide to Hardwood Flooring

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If you want a surefire way to improve the look and value of your home, hardwood floors are the way to go. They're beautiful and environmentally friendly. Find out all about this sustainable floor choice.

What is a synfuel?

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What is a synfuel? How could synthetic fuels mitigate the energy crisis? Read about synfuels at HowStuffWorks.

10 Reasons to Telecommute

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Reasons to telecommute include saving money, time and environment. Learn our top 10 reasons to telecommute at HowStuffWorks.

All Salt Is Not the Same

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Salt is something most of us use without thinking about it. But with so many options available, how do we know what's best?

How the Smart Car Works

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Learn how the Smart Car technology works, learn about Smart Car safety and other Smart Car features and compare Smart Car models in the U.S. and abroad.

10 Dangerous Everyday Things in Your Home

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You would not believe the dangerous things in your home - everything from air freshener to cosmetics. Learn about the dangerous things in your home.

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