BrainStuff

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Latest Episodes:

Why does Alka-Seltzer fizz? Aug 20, 2008

Show notes

The fizzing you see when you drop an Alka-Seltzer tablet in water is the same sort of fizzing that you see from baking powder. This reaction is caused by an acid reacting with a base. Check out this HowStuffWorks podcast to learn more.

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What causes the banging noise in my home's pipes? Aug 18, 2008

Show notes

The problem of pipes banging on a wall is often called "water hammer." Check out this HowStuffWorks podcast to learn more about this phenomenon.

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How Catalytic Convertors Work Aug 11, 2008

Show notes

Catalytic convertors convert hydrocarbons, carbon monoxide, and nitrogen oxides into three harmless chemicals, making the exhaust of a vehicle much cleaner.

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How 3-Way Lightbulbs Work Aug 01, 2008

Show notes

A 3-way bulb contains two filaments, and these filaments have differing wattages. Depending on the setting, the filaments operate separately or together to create the appropriate amount of light. Learn more about 3-way bulbs in this HowStuffWorks podcast.

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How Breathing in a Submarine Work Jul 30, 2008

Show notes

For air in a submarine to remain usable, three things must happen: The oxygen must be replenished as it is consumed, the carbon dioxide must be removed from the air, and the moisture in human breath must also be removed.

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How Fever Works Jul 28, 2008

Show notes

In this podcast, learn what causes a fever and what actually happens to the body when a fever occurs.

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How Fountains in Rome Work Jul 25, 2008

Show notes

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

Show notes

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

Show notes

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

Show notes

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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