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A Dippy Bird is a strange-looking novelty toy, but how does it work? Marshall Brain breaks down the surprisingly sophisticated mechanics of the Dippy Bird in this episode.
You Asked: What happens to water if it’s not allowed to expand when frozen? — Tony, Cut Off, La. Marshall Brain Answers: In nature, or in your kitchen freezer, water expands when it freezes. It gets about 9% bigger. This video gives you a dramatic demonstration of what happens when water freezes in a closed [...]
Popcorn is a ubiquitous snack, but there’s nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com.
Many spray can lids have a tiny hole at the top. Check out this HowStuffWorks podcast to learn more about spray cans, shipping, and air pressure.
Although it’s easy to take the pressure in an airplane cabin for granted, passengers rely on highly-pressurized air for comfort and survival. Learn more about airplane cabin pressure in this HowStuffWorks podcast.
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