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How Spud Guns Work

home.howstuffworks.com/spud-gun.htm

A spud gun can hurl potatoes hundreds of feet at close to 400 miles per hour. But why is this staple of the dinner table such a popular projectile? Learn the science of spud guns and how they can be customized.

Peppers, Hot and Sweet

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Peppers, both sweet and hot, are packed with vitamins and carotenoids. Learn about growing, harvesting, and serving sweet and hot peppers at HowStuffWorks.

Can I use hemp as a building material and to insulate my house?

home.howstuffworks.com/home-improvement/construction/green/hemp-building-material.htm

Hemp as a building material might seem like a fairy tale, but it's not. Check out this article and learn all about using hemp as a building material.

How Gorilla Glass Works

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Gorilla Glass is a scratch- and impact-resistant glass that can be used on cell phones and other gadgets. Learn what makes Gorilla Glass so tough.

5 Green NASA Inventions

science.howstuffworks.com/innovation/nasa-inventions/5-green-nasa-inventions.htm

NASA's technological innovations haven't just gotten us to the moon and beyond -- some have also helped make life a little greener here on Earth. What are five surprisingly grounded technologies spearheaded by NASA?