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What Is Rust?

science.howstuffworks.com/question445.htm

Rust is the common name for iron oxide, which is created when iron bonds with oxygen. In fact, pure iron is only rarely found in nature because it interacts with oxygen so easily.

What's a uranium centrifuge?

science.howstuffworks.com/uranium-centrifuge.htm

Iran has announced its activation of a second set of uranium centrifuges. These machines are at the core of the uranium-enrichment process. Find out where the centrifuge fits into the equation.

What is all the flickering when I try to record a television set picture with a video camera?

electronics.howstuffworks.com/question336.htm

What is all the flickering when I try to record a television set picture with a video camera?

How Are Rainbows Formed? The Science Behind the Colors

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We can usually see rainbows right after a rainstorm on a warm Spring day. These giant colorful arcs stand out against the dark rain clouds. Have you ever wondered what causes this phenomena? Find out how rainbows are created in this article from HowStuffWorks.

Richard Sharpe Shaver, UFO Hoaxster

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Richard Sharpe Shaver was a controversial UFO storyteller promoted by Ray Palmer. Check out his amazing stories of aliens called deros and teros.

How are engine friction and gas mileage related?

auto.howstuffworks.com/engine-friction-and-gas-mileage.htm

An engine oil analysis may help diagnose car problems. Learn how engine friction and gas mileage are related at HowStuffWorks.

How to Add a Watermark to Photos

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You've made a picture on your computer, pasted it into a Word document and would like to know how to place a watermark on the picture. Here's how to place a watermark on pictures.

How To Know When Your Computer's CMOS Battery Is Dead

computer.howstuffworks.com/how-to-know-when-computer-battery-is-dead.htm

Knowing when your computer's CMOS battery is dead is important. This article will help you spot CMOS battery failure.

Does the Higgs boson exist?

science.howstuffworks.com/science-vs-myth/everyday-myths/higgs-boson-exist.htm

As of July 4, 2012, the Higgs boson (maybe) exists (or at least something very like it very probably does).

What is string theory?

science.howstuffworks.com/science-vs-myth/everyday-myths/string-theory.htm

String theory tries to bring relativity and quantum physics into one general theory of everything. Learn about string theory in this article.

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