Brainstuff
BrainStuff
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How do self-driving cars work?
Self-driving cars seem like the stuff of science fiction, but ...
Self-driving cars seem like the stuff of science fiction, but they're closer to becoming reality than you might think. In this episode, Marshall breaks down the technology behind experimental self-driving cars.
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How does satellite Internet work?
If you're trying to access the Internet in a very ...
If you're trying to access the Internet in a very rural or remote place, satellite Internet is probably your best bet. In this episode, Marshall explains how satellite Internet works.
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How did instant cameras work?
Instant cameras made it possible to see a photograph almost ...
Instant cameras made it possible to see a photograph almost immediately after you'd taken it. But how? In this episode, Marshall explains the chemical processes behind regular and instant photographic film.
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When you have an itch, what's happening under your skin?
Skin covers our bodies, so it's very easy for this ...
Skin covers our bodies, so it's very easy for this delicate organ to get irritated. In this episode, Marshall explains why our bodies respond to irritants with an itching sensation -- and why we're programmed to scratch.
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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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What is the difference between a hardwood and a softwood?
When it comes to differentiating between hardwoods and softwoods, it's ...
When it comes to differentiating between hardwoods and softwoods, it's not a matter of hardness or density -- it's all about plant reproduction. Marshall explains what angiosperms and gymnosperms are in this episode.
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What is making my backyard sparkle at night?
One night, Marshall went outside with a headlight lamp on ...
One night, Marshall went outside with a headlight lamp on his head and discovered that his backyard was full of sparkling reflections. What were these sparkles? Discover the surprising answer in this episode.
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How does CCC, the new form of CPR, work?
Continuous chest compression is an updated form of CPR that's ...
Continuous chest compression is an updated form of CPR that's much easier to administer -- and, studies suggest, more effective. In this episode, Marshall Brain explains how CCC works.
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How does a speedometer in an airplane work?
Most people are familiar with speedometers in cars, but do ...
Most people are familiar with speedometers in cars, but do you know how air speed is determined? In this episode, Marshall explains how devices called pitot tubes gauge the speed of moving aircraft.
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How do plastics work? What is actually in a plastic?
Plastics have become so ubiquitous that we often take them ...
Plastics have become so ubiquitous that we often take them for granted, but have you ever wondered where these popular materials come from? In this episode, Marshall explains what plastics are made of.
