Brainstuff
BrainStuff
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Why don't they use normal air in race car tires?
Race car tires are often filled with nitrogen because nitrogen ...
Race car tires are often filled with nitrogen because nitrogen pressure is more consistent than air pressure. In this episode, Marshall explains why nitrogen is better for race cars -- but not for regular vehicles.
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What is the difference between a turbo-charger and a super-charger?
Both turbo- and super-chargers are forced inductions systems, meaning they ...
Both turbo- and super-chargers are forced inductions systems, meaning they compress the air flowing into the engine. This compression causes each cylinder of an engine to produce more power. Check out this HowStuffWorks article to learn more.
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Why are traffic lights being replaced with LEDs?
Across the country, incandescent traffic lights are being replaced with ...
Across the country, incandescent traffic lights are being replaced with LED arrays. Check out this podcast from HowStuffWorks to learn more about the advantages of LED traffic lights.
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Could anti-lock brakes detect a flat tire?
By using a computer to monitor the rotation of the ...
By using a computer to monitor the rotation of the car's wheels, an anti-lock braking system helps drivers avoid skids. Could this computer also monitor flat tires? Check out this HowStuffWorks podcast to learn more about brake systems.
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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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How do retractable roofs in convertible stadiums work?
Retractable roofs are the latest trend in sports stadium design. ...
Retractable roofs are the latest trend in sports stadium design. Marshall highlights multiple examples of convertible stadiums in the United States and explains how they work in this episode.
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In baseball, how does a pitcher throw a curveball?
A curveball is a pitcher's secret weapon for striking out ...
A curveball is a pitcher's secret weapon for striking out batters. Discover the physics behind a great curveball in this episode of BrainStuff.
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How Calorie Meters Work
It's easy to jump on an exercise machine and watch ...
It's easy to jump on an exercise machine and watch the calorie meter -- but how accurate are these meters? Learn more about calorie meters in this HowStuffWorks podcast
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What are hot dogs made from?
Hot dogs were first created in Frankfurt, Germany. But what ...
Hot dogs were first created in Frankfurt, Germany. But what exactly are they made from? Check out this HowStuffWorks podcast to learn more about the mysterious ingredients of hot dogs.
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How does popcorn work?
Popcorn is a ubiquitous snack, but there's nothing commonplace about ...
Popcorn is a ubiquitous snack, but there's nothing commonplace about its creation. How does a kernel of corn become a puffed white treat? Find out in this podcast from HowStuffWorks.com.
