Brainstuff
BrainStuff
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Can you explain the diameter measurements used in bullets?
Bullets are measured by calibers, which indicate their diameter in ...
Bullets are measured by calibers, which indicate their diameter in inches. Find out more about bullets and measurement in this podcast from HowStuffWorks.com.
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How are movies stored on DVD discs?
How can you store an entire movie on one little ...
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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What do those diamond-shaped signs on buildings mean?
The National Fire Protection Agency, or NFPA, uses these signs ...
The National Fire Protection Agency, or NFPA, uses these signs to indicate hazardous materials stored in an unknown building. Listen in to learn how the signs work -- and how they help firefighters -- in this podcast from HowStuffWorks.com.
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How cell phones work
Today's cell phones are amazingly compact, complex devices that provide ...
Today's cell phones are amazingly compact, complex devices that provide a wide array of services. Discover the origins of these technological wonders, and the technology that makes them work, in this episode of BrainStuff.
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How does a toaster work?
Toasting is a tasty way to increase the durability of ...
Toasting is a tasty way to increase the durability of bread, and automatic toasters are a convenient way to make toast. Learn more about the chemical change that turns bread into toast and the mechanism behind toasters in this episode of BrainStuff.
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How do terrorist bombs work?
Terrorists have a new way of getting bombs into the ...
Terrorists have a new way of getting bombs into the United States: mailing them. In this episode, Marshall breaks down the science behind the types of bombs used by terrorists, and the explosive ingredients involved.
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Why do most cars use gasoline instead of diesel?
Diesel engines are more efficient than engines that run on ...
Diesel engines are more efficient than engines that run on gasoline, yet they've never really caught on in passenger cars in the United States. Discover the many reasons why diesel engines aren't the norm in this episode of BrainStuff.
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Is it possible to carbonate your own water?
If you enjoy drinking carbonated water, this episode's for you! ...
If you enjoy drinking carbonated water, this episode's for you! Listen in as Marshall Brain explains how to make your own carbonated water at home for a fraction of the price you pay in stores.
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How does Caller ID work?
Almost all cell phones have a capacity for caller ID, ...
Almost all cell phones have a capacity for caller ID, which identifies the phone number at the other end of a telephone connection -- but how does it work? Listen in as Marshall Brain breaks down the basics of this surprisingly simple technology.
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Is there a way to detect illegal phone taps?
Tapping into someone's phone line is relatively easy to do ...
Tapping into someone's phone line is relatively easy to do on a land line. Fortunately, phone taps are easy to detect. Tune in to this podcast from HowStuffWorks.com to get Marshall Brain's tips on ferreting out illegal phone taps.
