BrainStuff

Latest Episodes:

Securing Your Wifi Router Feb 08, 2016

Show notes

Is it possible to get arrested for downloading illegal material even if you never download it yourself? Yes: When someone else logs onto your unprotected wifi, they can make a clean getaway while you get stuck with the blame. Tune in to learn more.

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How do trick birthday candles work? Feb 05, 2016

Show notes

Candles are simple yet ingenious light-producing devices, and it only takes one extra ingredient to turn them into trick candles. Find out how regular and trick candles work in this podcast from HowStuffWorks.com.

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What's that bumpy stuff on my ceiling? Feb 03, 2016

Show notes

That popcorn-like stuff on your ceiling is actually a specific kind of ceiling finish. Tune in to this podcast from HowStuffWorks.com to find out what this treatment is -- and why it's so popular.

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How do nail penny measurements work? Feb 01, 2016

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Nails are measured by a unit called a penny. This podcast from HowStuffWorks.com explains what the penny designation means -- and where it comes from.

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How do artificial flavors work? Jan 29, 2016

Show notes

Artificial flavors imitate natural flavors and are found in many processed products. Learn more about the chemistry of flavors, both natural and artificial, in this episode of BrainStuff.

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What are motion cards and how do they work? Jan 27, 2016

Show notes

Motion cards, which have been around for decades, give the illusion of motion using multiple images and a special printing process. In this episode, Marshall discusses the technology behind motion cards and how it has improved over the years.

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How does an EPIRB distress radio work? Jan 25, 2016

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An EPIRB, or Emergency Position Indicating Radio Beacon, helps rescuers find people -- mostly boaters -- in emergency situations. Tune in to find out how EPIRB radios work in this podcast from HowStuffWorks.com.

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Can you explain the diameter measurements used in bullets? Jan 22, 2016

Show notes

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? Jan 20, 2016

Show notes

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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Why shouldn't you go swimming right after a meal? Jan 18, 2016

Show notes

As children, many of us have been admonished not to go swimming for at least an hour after eating. But, as it turns out, there's biology behind this commonplace advice. Tune in to this episode to find out why you shouldn't swim right after you eat.

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