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| How stuff works | Viewing 11 to 20 of 500 |
How Dry Cleaning Works
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Introduction to this fabric-cleaning process. "The cleaning fluid that is used is a liquid, and all garments are immersed and cleaned in a liquid solvent -- the fact that there is no water is why the process is called 'dry.'" Includes a his ...
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http://science.howstuffworks.com/dry-cleaning.htm |
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How Halloween Works
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Background about where Halloween customs and traditions come from. Topics include Celtic roots (Samhain) and Christian roots (All Saints' Day and All Souls' Day), trick-or-treating, jack-o'-lanterns, bobbing for apples, and costumes. Also includes li ...
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http://people.howstuffworks.com/culture-traditions/holidays/halloween.htm |
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How Laughter Works
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This article considers laughter: "what it is, what happens in our brains when we laugh, what makes us laugh and how it can make us healthier and happier. You'll also learn that there's a tremendous amount that no one understands yet." Topic ...
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http://health.howstuffworks.com/laughter.htm |
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How MRI Works
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This site provides a basic explanation of magnetic resonance imaging (MRI), with information about magnetic intensity, magnets, atoms, radio frequency (RF), visualization, and related topics. Also covers the advantages and disadvantages of MRI. From ...
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http://www.howstuffworks.com/mri.htm |
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How Everything Works
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Resource for "explaining the physics of everyday life." Users are encouraged to have their questions answered by Physics Professor Lou Bloomfield of the University of Virginia. Archive of previously asked questions available.
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http://www.howeverythingworks.org/ |
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How Income Taxes Work
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A history of the federal income tax and basic explanation of the tax process. Includes overviews of alternative tax ideas (flat tax and national sales tax) and links to related information. From How Stuff Works. Note: some intrusive advertising.
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http://people.howstuffworks.com/income-tax.htm |
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How Power Grids Work
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Describes the distribution of electrical power from the power plant and distribution grids to the private home and fuses and circuit breakers. From How Stuff Works. lii.org Record of the Month for September, 2003.
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http://people.howstuffworks.com/power.htm |
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How Olympic Torches Work
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Background about the Olympic torch and the torch run that ends in the Olympic arena and symbolizes the beginning of the Olympic Games. Covers history, design, science behind the flame, torch construction, the lighting of the torch, the relay, and rel ...
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http://entertainment.howstuffworks.com/olympic-torch.htm |
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How Gyroscopes Work
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This site describes functioning and applications of the gyroscope, a spinning wheel on an axle. Gyroscopes are used for measuring or maintaining orientation and are "extremely important in everything from your bicycle to the advanced navigation ...
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http://science.howstuffworks.com/gyroscope.htm |
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Fun Works
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Attempting to expose your students or children to new careers? Directed at middle school children, it takes their interests such as games, music, technology, and sports and links them to various career paths. Learn about being a sound engineer, an ur ...
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http://thefunworks.edc.org/SPT--homeflash.php |
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