BrainStuff

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Latest Episodes:

What exactly is a blueprint? Jul 12, 2013

Show notes

Blueprinting, which has been around since 1842, is a common way to reproduce an architectural drawing. Tune in to learn more about the complex chemical processes that make blueprints blue -- and white -- in this podcast from HowStuffWorks.com.

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How does a chicken's egg get its shell? Jul 10, 2013

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Which came first -- the chicken or the egg? Listen in as Marshall Brain gives the technical answer -- and takes a look at the science behind eggshell formation -- in this podcast from HowStuffWorks.com.

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Where do bullets go when guns are fired into the air? Jun 19, 2013

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When people fire guns into the air in a celebratory manner, those bullets have to go somewhere. Find out how high fired bullets can go -- and why they can be dangerous -- in this podcast from HowStuffWorks.com.

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How does pressure-treated lumber work? Jun 17, 2013

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organisms. Find out why pressure-treated lumber holds up better -- and how it works -- in this podcast from HowStuffWorks.com.

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How do Mexican jumping beans work? Jun 12, 2013

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Although Mexican jumping beans don't actually jump, they're definitely more active than your average bean. Find out how a moth makes them move in this podcast from HowStuffWorks.com.

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How does a hybrid car work? Jun 12, 2013

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Hybrid cars combine electric motors and smaller gasoline engines in an attempt to increase efficiency. Find out exactly how they work in this podcast from HowStuffWorks.com.

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How does an Indiglo watch work? May 28, 2013

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An Indiglo watch works a lot like a neon sign, getting its signature "glow" from electroluminescence. Tune in to hear Marshall Brain explain the finer points of Indiglo watch technology in this podcast from HowStuffWorks.com.

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What makes NASCAR engines different from other engines? May 28, 2013

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NASCAR engines are built for maximum efficiency, and they're much more powerful than regular engines. Marshall Brain discusses five ways in which NASCAR engines differ from regular ones in this episode.

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How do torpedo engines work if they're underwater? May 27, 2013

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Torpedo engines rely on special methods of propulsion to operate underwater. Find out what they are in this episode of BrainStuff.

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How does a Crooke's radiometer work? May 23, 2013

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Vacuums and light combine to power a Crooke's radiometer -- but how does it work? Listen in and learn more about the mechanisms inside the radiometer in this podcast from HowStuffWorks.com.

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