BrainStuff

Latest Episodes:

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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Why is Friday the 13th considered unlucky? May 22, 2013

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In countries like the United States, people have a superstitious fear of one particular date: Friday the 13th. But why? In this episode, Marshall discusses the two main fears that have fueled the Friday the 13th superstitions, as well as their origins.

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What's the best way to back up a computer's hard disk? May 03, 2013

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Your computer's hard disk stores all your information, but what happens if it gets damaged or dies? In this episode, Marshall Brain explains why it's important to back up your hard disk and weighs the advantages and disadvantages of three backup methods.

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How does bulletproof glass work? May 01, 2013

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Bullet-resistant glass, commonly referred to as ""bulletproof,"" is a special type of glass designed to resist bullets. Tune in to this episode to learn how different types of bullet-resistant glass work.

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What does tear gas do? Apr 29, 2013

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You've probably heard of tear gas before, but did you know that Mace is a form of it? Learn more about the three commonly used types of tear gas -- how they work and what they're used for -- in this podcast from HowStuffWorks.com.

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What are the fastest hard disks available today? Apr 24, 2013

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Hard disk drives and connections have been getting faster and faster. In this episode, Marshall discusses the evolution of the hard disk and the shockingly fast drives available today.

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Why should you wash new clothes before wearing them? Apr 05, 2013

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Some clothes have tags that say "wash before wearing" or "wash separately." Find out why it's sometimes a good idea to wash new clothes before you wear them in this episode.

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