Brainstuff
BrainStuff
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Is there a way to make my sunglasses scratch-resistant?
Sunglasses have various special coatings: Some are reflective, while others ...
Sunglasses have various special coatings: Some are reflective, while others are scratch-resistant. In this episode, Marshall explains how these different coatings work.
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How valuable is exercise to your health?
We all know that exercise is an important way to ...
We all know that exercise is an important way to safeguard your health. But how, exactly? In this episode, Marshall discusses the health benefits of exercise -- and how much we need each week in order to take advantage of these benefits.
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How can I make artificial snow in my backyard?
If you live in a cold enough climate, you can ...
If you live in a cold enough climate, you can make fake snow just like they do for ski resorts. In this episode, Marshall shares two techniques for creating artificial snow in your own backyard -- and what to do if you live in a warm climate.
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What's the best way to back up a computer's hard disk?
Your computer's hard disk stores all your information, but what ...
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 do they create patterns in a baseball field?
Groundskeepers at baseball fields create patterns using a process called ...
Groundskeepers at baseball fields create patterns using a process called lawn striping. Tune in to find out how this process works -- and how you can duplicate it to create designs in your own yard.
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What are dissolvable stitches?
Stitches have been used for centuries, but dissolvable ones are ...
Stitches have been used for centuries, but dissolvable ones are the most common these days. Why would you want stitches to dissolve, and how do they work? In this episode, Marshall discusses the benefits and features of absorbable sutures.
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How does a direct-injection 2-stroke engine work?
In a previous episode, Marshall explained how 4-stroke, direct-injection engines ...
In a previous episode, Marshall explained how 4-stroke, direct-injection engines work; In this one, he takes a look at 2-stroke engines that utilize direct injection technology.
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How do airport scanners work?
The new full-body scanners used at airports in the United ...
The new full-body scanners used at airports in the United States have caused a huge controversy -- but how do they work? In this episode, Marshall breaks down the science behind full-body scanners, along with the uproar they've caused.
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Which 4G services are available in the U.S. today?
If you have a smart phone, you may be interested ...
If you have a smart phone, you may be interested in 4G service for the data you receive. But which services are available, and which one will suit your needs? Listen in as Marshall Brain breaks down the differences between 4G services.
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What are the fastest hard disks available today?
Hard disk drives and connections have been getting faster and ...
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.
