print email comment close How Stuff Works URL: http://www.howstuffworks.com/ Description: Explains simply, with excellent diagrams or pictures, how many common appliances, machines, and technologies work. Also covers health, animals, and the home. A small sample of topics covered includes: smoke detectors, remote controls, UPC bar codes, bread, digital clocks or watches, compasses, microwave ovens, fuel cells, hybrid cars, Boolean logic, lock picking, and more. Many have links to Web sites or related articles for further reading. Some of these articles might be useful for background for science projects. Author: Brain, Marshall Publisher: Howstuffworks, Inc. Extra Keywords grtechnology Library of Congress Subject Headings: Inventions Technology LII Database Information: Record 11913 created by Elaine Walker on 06/27/1999 Last modification on 06/11/2005 Published: 06/27/1999   Funding agency: California State Library LII Item ID: http://lii.org/cs/lii/view/item/11913