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Where Is the Hubble Telescope and How Does It Work?
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The Hubble Space Telescope is one of the most amazing machines in orbit right now. Learn more about the Hubble Space Telescope and how it works.
How Reverse Osmosis Works
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How does reverse osmosis work? Find out how a semipermeable membrane can act as a filter for some particles while letting others pass through.
5 Cheap Ways to Brighten up a Room
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Changing your home decor can reinvigorate you and your space, without killing your wallet. Check out 5 cheap ways to brighten a room.
How Freezers Work
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Many freezers have features to prevent frost and digitally monitor temperatures, but the technology has been evolving for years. Learn about freezers.
How Rocket-Propelled Grenades Work
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Rugged and simple, suitable for downing helicopters, disabling tanks or attacking buildings at close range -- in the hands of a skilled operator, the RPG is a lethal and versatile weapon.
How Carbon-neutral E-fuels Work
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Do you know How Carbon-neutral E-fuels Work? Keep reading to learn about zero-emission vehicles and discover how carbon-neutral e-fuels work.
Do hybrid cars cause pollution?
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Do hybrid cars cause pollution? Find out if hybrid cars cause pollution at HowStuffWorks.
How do dogs' nutritional needs change as they age?
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How do dogs' nutritional needs change as they age? Find out how dogs' nutritional needs change as they age at HowStuffWorks.
The Plumbing Tools Identification Quiz
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Life without properly functioning indoor plumbing would certainly be the pits! It's a good thing we have plumbers and their specialized tools to call on. Do you think you can identify each of these plumbing tools from just one image or will you get washed away by this quiz? Get started and find out!
How Cotton Candy Works
science.howstuffworks.com/innovation/edible-innovations/cotton-candy.htm
It's your favorite, sticky-sweet treat at a carnival, but do you know how cotton candy is actually made? Read this article to find out how.