BrainStuff

If you've ever played a coin-operated pool table, then you've probably noticed that the table can sense the difference between the cue ball and the other balls in play. But how does this work? Tune in and find out in this podcast.

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A zebra's stripes offer protection from predators in the form of camouflage -- and a way to identify individual members within the larger group. Learn more about zebra stripes in this episode.

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Unfortunately lightsabers aren't real. The technique used to produce the lightsaber effect is simple, but tedious. Check out this HowStuffWorks podcast to learn more about the special effects behind lightsabers.

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Different types of racing vehicles require different types of fuel. Check out this HowStuffWorks podcast to learn more about the advantages and drawbacks of each fuel type.

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It's easy to jump on an exercise machine and watch the calorie meter -- but how accurate are these meters? Learn more about calorie meters in this HowStuffWorks podcast

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Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this HowStuffWorks podcast to learn more about the mysterious ingredients of hot dogs.

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A Boeing 747 uses approximately one galloon of fuel per second -- over the course of a ten hour flight, it might burn 36,00 galloons of fuel. How does this compare to a car? Check out this HowStuffWorks podcast to learn more about airplane mileage.

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The clouds that some jets form on certain days are called condensation trails -- or contrails. Check out this HowStuffWorks podcast to learn more about condensation, weather and jets.

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If you've spent much time looking up at the night sky, then you've probably seen some spectacular meteor showers. But how big do these things have to be make it through Earth's atmosphere and reach the ground? Tune in and find out.

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Satellites are fascinating, but for most people they're somewhat mysterious. They float somewhere in space, invisible to the naked eye -- or are they? In this episode of BrainStuff, Marshall explains the physics behind satellites and orbits.

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