Brainstuff
BrainStuff
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How do vacuums work?
If a balloon was filled by a vacuum -- rather ...
If a balloon was filled by a vacuum -- rather than helium or air -- would it float? Check out this HowStuffWorks podcast to learn the science behind balloons and vacuum.
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How does gravity assist with interplanetary satellites?
The idea behind a gravity assist is to use a ...
The idea behind a gravity assist is to use a planet's motion to accelerate a satellite. Check out our article on HowStuffWorks to learn more about the effects of gravity on satellites.
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How does large-scale power storage work?
Wind farms and solar power plants are promising sources of ...
Wind farms and solar power plants are promising sources of renewable energy, but they're not as reliable as conventional power sources. In this episode, Marshall explains how large-scale storage technologies could make solar and wind power more viable.
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What is a decibel, and how is it measured?
The decibel unit is used to measure the intensity of ...
The decibel unit is used to measure the intensity of a sounds. Check out our HowStuffWorks article to learn more about the decibel scale.
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How can I gain pounds during the day and lose them at night?
Water is a very heavy substance -- just one gallon ...
Water is a very heavy substance -- just one gallon weighs 8 pounds. Check out this HowStuffWorks podcast to learn more about how the passage of water affects your weight.
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How can you figure out how far away lightning struck?
Check out this podcast from HowStuffWorks to learn how to ...
Check out this podcast from HowStuffWorks to learn how to gauge the distance of a lightning strike with a simple equation.
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How much does it cost to run an electric blanket?
The electric company bills its customer by the kilowatt-hour. The ...
The electric company bills its customer by the kilowatt-hour. The number of watts a device uses times the number of hours you leave it on tells you number of watt-hours it consumes, and divided by 1,000 will convert the measurement to kilowatt-hours. Listen to find out more in this podcast from HowStuffWorks.com.
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How do Pop Rocks candy work?
Hard candy (like a lollypop or a Jolly Rancher) is ...
Hard candy (like a lollypop or a Jolly Rancher) is made from sugar, corn syrup, water and flavoring. Check out our HowStuffWorks article to learn how conventional candy is combined with carbon dioxide to produce Pop Rocks.
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How does hemp work?
Hemp fibers are coarse and strong, perfect for things like ...
Hemp fibers are coarse and strong, perfect for things like rope -- hemp is also more environmentally friendly than many other crops. Listen in as Marshall Brain takes a look at the controversy surrounding hemp in this podcast from HowStuffWorks.com.
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Why do hurricanes follow such peculiar tracks?
Hurricanes are enormously destructive, and sometimes seem to have a ...
Hurricanes are enormously destructive, and sometimes seem to have a mind of their own. Tune in to this HowStuffWorks podcast to learn more about hurricanes.
