BrainStuff

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How Fountains in Rome Work Jul 25, 2008

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Built before the invention of electric pumps, fountains in Rome were powered through an ingenious system of gravity, cisterns, and aqueducts. Learn more about fountains in Rome in this HowStuffWorks podcast.

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How Nautical Miles Work Jul 21, 2008

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One minute of arc on planet earth is equal to one nautical mile. Listen to this HowStuffWorks podcast and learn more about the measurement of nautical miles.

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How Digital Answering Machines Work Jul 18, 2008

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Today, most answering machines are digital, and use the same technology as a CD or MP3 player. Learn more about digital answering machines in this HowStuffWorks podcast.

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How Maple Syrup Works Jul 16, 2008

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The clear, thin sap of Maple trees must be boiled down to create maple syrup -- it takes about 30 to 40 gallons of sap to create one gallon of syrup. Check out this HowStuffWorks podcast to learn more about Maple syrup.

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How Glowing Watch Hands Work Jul 14, 2008

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In many watches, phosphor is mixed with a radioactive element that continously charges the phosphor, powering glowing watch hands. Learn more about glowing watch hands in this HowStuffWorks podcast.

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How Uninterruptible Power Supplies Work Jul 14, 2008

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An uninterruptible power supply protects computers against surges, spikes, sags, and total power failure. Check out this HowStuffWorks podcast to learn more about uninterruptible power supplies.

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How the Corvette ZR1 Works Jul 14, 2008

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The 2009 Corvette ZR1 combines several technical innovations to produce a turbo-charged, eight-cylinder engine. Learn more about the Corvette ZR1 in this HowStuffWorks podcast.

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How gas pumps work Jul 14, 2008

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Next time you're filling up your tank at a gas station, ask yourself this: how does the nozzle know when the tank is full? Learn more about gas pumps in this HowStuffWorks podcast.

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Why the Sky is Blue? Jul 14, 2008

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As sunlight passes through the atmosphere, particles in the air scatter blue light more efficiently than any other color in the light spectrum, creating a blue sky. Learn more about the sky and light in this Brainstuff podcast.

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How Radiation Works Jul 14, 2008

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Although most people are frightened by radiation, the truth is we are irradiated every day, both from cosmic rays in the sky, and radioactive elements in the ground. Learn more about radiation in this HowStuffWorks podcast.

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