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How rare are double rainbows?

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A double rainbow, man! Just the sight of one can send us babbling into happiness. And why not? Rainbows are beautiful. And two rainbows at the same time? Even better. But just how rare are these colorful arcs?

How the Steam Locomotive and Steam Technology Work

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Steam technology works to harness the power of steam in order to perform work. Learn about steam technology and some steam technologies.

Alstroemeria, Lily of Peru

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Alstroemerias, or Lilies of Peru, are spotted perennial lilylike flowers that grow in garden containers and flowerbeds. Learn about astroemeria.

How to Make Fudge

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You want to make fudge, but you're not sure how to do it. Learn about how to make fudge in this article.

How to Make Stencils from Used Cardboard

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Stencils, if you ask me, are a beautiful thing. Learn more about making stencils from used cardboard.

Can you polish metal with sandpaper?

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A very fine grade of sandpaper can really make metal shine. Learn about whether you can polish metal with sandpaper from this article.

Why Do Humans Have Body Hair?

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Human body hair may seem annoying to groom, pluck and shave, but it does serve a purpose. Learn about human body hair and why we have hair on our bodies.