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How Do Boats Float? A Look at How Boats Made of Steel Float

science.howstuffworks.com/science-vs-myth/everyday-myths/question254.htm

Displacement of water is what allows a boat to float on the water, but how does it work? Find out how displacement allows a steel boat to float in water.

How does popcorn work?

recipes.howstuffworks.com/question255.htm

Popcorn certainly is unique, but have you ever wondered how it actually works? Check out this article to learn what makes popcorn pop and more.

How Nitrous Oxide in Cars Works

auto.howstuffworks.com/question259.htm

I'm always hearing people talk about pumping nitrous oxide into an engine. How does nitrous oxide help an engine perform better?

Explaining Diameter Measurements Used in Wire, Nail, and Bullet Sizes

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Bullet size is measured in calibers, but how are wires and nails measured? Learn about bullet size and caliber in this article.

What causes that howling sound in PA systems?

electronics.howstuffworks.com/gadgets/audio-music/question263.htm

What causes that howling sound in PA systems? Everyone calls it feedback -- what's "feedback"? Learn more information about PA systems in this article.

What is Dry Ice? How To Safely Use and Store Dry Ice

science.howstuffworks.com/innovation/science-questions/question264.htm

Dry ice is frozen carbon dioxide that's used in everything from transporting goods to removing skin imperfections. Learn more about dry ice and how to use this versatile compound effectively and safely.

What Makes Mexican Jumping Beans Jump?

science.howstuffworks.com/life/botany/question265.htm

Mexican jumping beans are small, brown beans that seem to have a life of their own as they jump and move around. But what is it that makes them jump?

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