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How Laser-powered Headlights Work

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Are laser-powerered headlights too intense for other motorists? Read about laser-powered headlight technology at HowStuffWorks.

10 'Richest' Countries in the World (With a Huge Caveat)

money.howstuffworks.com/richest-country-in-the-world.htm

Economists have historically used GDP per capita to determine the richest country in the world, but that's misleading when you consider the tax havens effect.

What is a keyhole satellite and what can it really spy on?

science.howstuffworks.com/question529.htm

On a television drama last week, the plot involved photos taken of a Russian missile silo, and the characters mentioned a "keyhole satellite." What is a keyhole satellite and what can it really spy on?

Why Do We Call It a Piggyback Ride?

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It's a strange phrase when you think about it, as people don't normally ride pigs. So where did it come from?

How Photographic Film Works

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Photographic film has been around for more than a century, and it's still the best way to capture an image. Discover what's going on when you take a picture.

10 Cool Inventions From the 1980s

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Though the 1980s might remind you of the days of MTV and leg warmers, there was a lot going on in technology. In fact, quite a few of the technologies we rely on today were making their debut.

Can We Guess What Kind of Woman You Want to Marry?

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Are you on the hunt for your better half? It'll help if you know exactly what you're looking for in a woman. Tell us about your romantic desires and we'll give you your type.

The Enigma of 137: Science's Most Magical Number

science.howstuffworks.com/dictionary/physics-terms/why-is-137-most-magical-number.htm

The number 137, which is significant in multiple applications, has long been an object of fascination for physicists, mathematicians and mystics.

How do sharks see, smell and hear?

animals.howstuffworks.com/fish/sharks/shark-senses.htm

A shark sense isn't so different from any of our senses, a shark sense is just sharper underwater. See more about shark sense and how each works.

Why are moths attracted to light?

animals.howstuffworks.com/insects/question675.htm

Moths and light seem to go hand-in-hand, but have you ever wondered why moths are attracted to light? Learn about moths and light in this article.

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