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How Sunspots Work

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Sunspots are explained in this article. Learn about sunspots.

5 Myths About Renewable Energy

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We're currently suspended between two ages: a time dependent on fossil fuels and a future dominated by renewable energy sources. Yet not everyone is sold on this vision, so a number of myths about renewable energy persist.

Does the rotation of the Earth affect toilets and baseball games?

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The world's intelligentsia has managed to convince us that the Earth is round and makes a full rotation once every 24 hours. Why can't they agree on the effects of that rotation on toilets and ball games?

Top 5 Green Robots

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There's nothing particularly organic about a robot, even if you dress it in hemp and fuel it with alternative energy. But these five can help our planet one mechanical movement at a time.

5 Things to Consider When Building a Solar-powered Home

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While rebates and tax credits have put solar power within reach for many homeowners, it's still an expensive undertaking. How do you make sure you get your money's worth?

What Uses the Most Electricity in a Home?

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Sure, your hair dryer or toaster sucks up a lot of kilowatt-hours during the short time it's on, but what are the truly big drains on your home energy budget?

Robot Pictures

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Robot pictures shows you some of the many different applications for robots. Check out this collection of robot pictures.

Space Exploration Pictures

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These space exploration pictures show you how mankind has explored the vastness of space. Check out these space exploration pictures.

Top 5 Energy-efficient Computers

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Energy efficiency is starting to rank right up there with speed and power in terms of desirable attributes for a computer. What are five of the most energy-efficient computers on the market?

Why do people laugh when they get tickled?

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Why do people laugh when they get tickled? Find out why people laugh when they get tickled at HowStuffWorks.

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