BrainStuff

BrainStuff

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BrainStuff episodes

  • How do nail penny measurements work?
    Nails are measured by a unit called a penny. This podcast from HowStuffWorks.com explains what the penny designation means -- and where it comes from.
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    3 min
  • How do artificial flavors work?
    Artificial flavors imitate natural flavors and are found in many processed products. Learn more about the chemistry of flavors, both natural and artificial, in this episode of BrainStuff.
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    4 min
  • What are motion cards and how do they work?
    Motion cards, which have been around for decades, give the illusion of motion using multiple images and a special printing process. In this episode, Marshall discusses the technology behind motion cards and how it has improved over the years.
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    4 min
  • How does an EPIRB distress radio work?
    An EPIRB, or Emergency Position Indicating Radio Beacon, helps rescuers find people -- mostly boaters -- in emergency situations. Tune in to find out how EPIRB radios work in this podcast from HowStuffWorks.com.
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    3 min
  • How are movies stored on DVD discs?
    How can you store an entire movie on one little DVD disc? It's all about compression! In this episode, Marshall explains the technical details and standards of video compression.
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    5 min
  • Why shouldn't you go swimming right after a meal?
    As children, many of us have been admonished not to go swimming for at least an hour after eating. But, as it turns out, there's biology behind this commonplace advice. Tune in to this episode to find out why you shouldn't swim right after you eat.
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    5 min
  • What causes that howling sound in PA systems?
    A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com.A public address system's speakers emit strange noises, or feedback, when sound gets re-amplified. Get a detailed explanation of how feedback occurs in this podcast from HowStuffWorks.com.
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    3 min
  • How does dry ice work?
    Dry ice is different from regular ice in several ways. Find out what makes dry ice so unique -- and why it's so good for transporting perishables over long distances -- in this podcast from HowStuffWorks.com.
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    5 min
  • Is it true that a diesel engine can operate underwater?
    Under certain circumstances, diesel engines can operate while submerged in water. Find out what it takes to waterproof an engine -- and why diesel engines are better candidates than their gasoline counterparts -- in this episode of BrainStuff.
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    5 min

About BrainStuff

From the publisher's feed

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.