Appetizers and Lessons for Mathematics and Reason: Linear Equations
This section of the website, Appetizers and Lessons for Mathematics and Reason, written by Alan Selby, PD. (see also Scout Report for Math, Engineering, and Technology, May 24, 2002) offers lesson ideas for teaching linear equations in high school or college. The approach uses stick diagrams to solve linear equations because they "provide a concrete or visual context for many of the rules or patterns for solving equations, a context that may develop equation solving skills and confidence." The i
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The Secret World of Sharks and Rays
The PBS television series Nature recently explored the "mystery shrouding fascinating -- and often fearsome -- creatures" in "The Secret World of Sharks and Rays." This companion Web site offers a number of online features, including feature articles on recreational shark diving, shark and ray diversity, and more. The site also provides a video preview of the program, featuring a segment on the characteristics of sharks and rays that set them apart from other fish. Interesting and informative (b
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Energy Star: Prepare for Summer Now With a More Energy Efficient System
As summer approaches, energy providers are preparing for the few days per year when their systems will be pushed to the limit. To help reduce the enormous electricity demand from air conditioners, people can follow several tips on energy conservation given on this site. A number of informative guides and fact sheets explain proper maintenance and usage practices that can help to maximize energy efficiency. A particularly interesting document is the Home Heating and Cooling Tutorial, which illust
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Curious and Useful Math
This site is a fun diversion from the tedious monotony of everyday math. It is basically a collection of many mathematical curiosities, some of which are useful, but most are simply interesting tidbits to amaze and perplex others. Many of the items will make readers wonder, "How in the world is that possible?" Fortunately, the author provides explanations, which can help teach mathematical skills that ordinarily are never exercised. Some sections are suited for grade school students, such as mul
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Philips: What if You Could Carry Your TV Around?
Philips Research demonstrated "the world's first matrix display that keeps functioning while being bent," and it has great expectations for the technology. Although it will probably not be commercially available for some time, it is intriguing to envision being able to unroll an e-book to read. A broad introduction to flexible displays is given on this Web site. Several potential technologies that could be used to manufacture the devices are discussed, including organic light-emitting diodes and
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Engineer's Edge: Solutions by Design
Engineer's Edge is a great reference for a wide variety of engineering, design, and manufacturing information. Most of the material is in the form of online calculators and equation charts, which save users time that would otherwise be spent flipping through books. Other resources such as part specifications (e.g., drill sizes, gauge charts) and material properties are also available. Interactive conversion tools, beam statics analyzers, and calculators for many different applications are free a
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Friction Stir Welding
Probably the best resource to learn about friction stir welding (FSW) comes from the entity that developed the technology. The Welding Institute (1) offers a thorough overview of FSW and its advantages over other types of welding. The University of Cambridge (2) maintains another informative Web site about FSW. This is a more visual resource, allowing the visitor to view images and video clips that show FSW equipment and how the process works. Three introductory slide presentations are also avai
Author(s): Leske, Cavin.

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Institute of Global Environment and Society and the Center for Ocean-Land-Atmosphere Studies
This website features the work of two groups: the Institute of Global Environment and Society (IGES) and the Center for Ocean-Land-Atmosphere Studies (COLA). Both organizations were formed to improve the "understanding and prediction of Earth's climate variations and to share both the fruits of this research and the tools necessary to carry out this research with society as a whole." The Weather and Climate Data link features numerous maps and animations of the analyses of current conditions, we
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"Just the Maths"
Developed by a retired mathematics professor from Coventry University, this website "is a collection of separate units, in chronological topic-order, intended to service foundation level and first year degree level courses in higher education, especially those delivered in a modular style." Although there are separate sections for students and teachers, both contain essentially the same information except for the format of the material -- printable pages with slightly more detailed explanations
Author(s): Hobson, A. J.

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Microbes: Friend or Foe?
This Web site contains the online companion to an episode of the PBS series, Closer to the Truth, which "brings together leading scientists, scholars and artists to debate latest discoveries and their impact on the human condition." Microbes -- Friend or Foe? offers a thought-provoking look at the role of microbes and the importance of "maintaining a microbial balance of power" on the planet. Visitors may download a transcript or view video clips of the episode, or delve deeper into the topic th
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jRoundup
Whether you are looking for programming help or just browsing for applications, jRoundup has Java resources for everyone. The site offers special weekly features chosen from the best material on the Net. For Java applets and utilities, check the grab it section, which has links to hundreds of useful tools in a wide range of categories. If you are a Java novice, the learn it section lists many tutorials and guides to suit your needs. jRoundup hosts discussion forums for several topics to promote
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The Common Cold
When winter rolls around and we begin to spend more time indoors, the common cold becomes an unfortunate reality for many of us. But for something as common as the cold, misconceptions about it are remarkably common as well. The following collection of Web sites provides an in-depth look at the cold and the cold virus.The first site (1) comes from the Common Cold Care Center of Cardiff University in Wales, and offers a thorough and highly readable introduction to the common cold, including secti
Author(s): Sohmer, Rachel.

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MSRI: Streaming Video - Fall 2002
The Mathematical Sciences Research Institute (MSRI) maintains an impressive archive of streaming video lectures and presentations. This site contains all of the videos from various workshops and special topics held in fall 2002. Of particular interest is the "Introductory Workshop in Quantum Computation." It consists of fifteen lectures, each with complete textual slides provided in addition to the roughly hour-long presentations. Quantum computation is a science that is still in its infancy, an
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Fibre Optics Technology
As part of the Flexible Learning on the Internet initiative, this Web page gives a very descript overview of fiber optics technology. The site covers everything from fiber optics manufacturing to its technological capabilities. Several basic equations that govern fiber optics properties and operation are mentioned, but the material is not overly mathematical. It explains how light travels through the cable as a signal and how a fiber's structure effects the propagation of light. Three video clip
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Biodiversity and Conservation Research
The Center for Biodiversity and Conservation (CBC) at the American Museum of Natural History aims to "integrate scientific research, education, and outreach so that people, themselves major catalysts in the rapid loss of biodiversity, will become participants in its conservation." The CBC currently conducts biodiversity conservation research in the Bahamas, Bolivia, Madagascar, Vietnam, and in metropolitan New York. Click on What We Do for brief descriptions of each research project. The project
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Maths Challenge.net
Maths Challenge is a fun activity to build mathematical and reasoning skills. Each month during the school year, a new set of math problems are posted online. There are miscellaneous problems at junior and senior levels, cryptography and code breaking problems, and computer programming challenges. Each section is appropriate for a different age range, but the most basic material starts at age eleven and increases from there. To participate in the programming exercises, a simple registration is r
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IDEERS: Introducing and Demonstrating Earthquake Engineering Research
Introducing and Demonstrating Earthquake Engineering Research in Schools (IDEERS) is a program of the University of Bristol "to communicate the challenge and excitement of earthquake engineering research to young people." Beginning with a detailed explanation of earthquake causes and effects, the Web site provides motivation for designing structurally reinforced buildings. Five recent earthquake disasters are outlined and related to the general impact of earthquakes on society. The material then
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Hawaii Coral Reef Bibliography
The Hawaii Coral Reef Initiative Computer Interactive Bibliography (HCRIB) "is an EndNote Plus bibliographic reference data base which provides reference listings of surveys, studies, technical reports, atlases, and the like on subjects ranging from physical oceanography, biology, taxonomy, water quality, ecology, and reef resources for the main Hawaiian Islands." The HCRIB is a collaborative project between the Hawaii Wildlife Fund and AECOS, Inc., with support from the National Oceanographic &
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American Urological Association: UrologyHealth.org
Established in 1902, the American Urological Association (AUA) works to "promote the highest standards of urological clinical care through education, research and in the formulation of health care policy." In line with the educational component of its mission, AUA developed this website as an information resource for patients. The website offers sections for both Adult and Pediatric Conditions. These sections provide information about a range of conditions and/or diseases under the broad categor
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Kimball's Biology Pages
Kimball's Biology Pages (first reviewed in the May 9, 1997 Scout Report) is an online biology textbook created and maintained by Dr. John W. Kimball, a veteran biology educator and retired Harvard professor. Dr. Kimball believes that the hypertext format is especially well suited for biological study because its nodal structure better approximates the relationships between biological subjects than a linearly structured textbook. In addition, a hypertext allows for more timely updates concerning
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