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The Online Books Page
Hosted by the University of Pennsylvania Library, the Online Books Page Web site "facilitates access to books that are freely readable over the Internet...and aims to encourage the development of such online books, for the benefit and edification of all." The over 18,000 listings can be searched or browsed by author, title, and subject, of which every major physical science subject is represented. Each listing is linked to an outside Web site, making its availability unpredictable, but the shear
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Mathematics Demos
For students in mathematics, it is often very difficult to visualize abstract concepts. One of the most obvious examples is the analysis of three dimensional objects, or a 3D coordinate system. This small collection of mathematics demos illustrates some of these concepts by using multi-color animations. Items such as contours, Fourier transforms, and convolution, which cannot be effectively drawn on a chalkboard, are shown in great detail here. The site also demonstrates the dimensions of the sp
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An Overview of Cryptography
Gary Kessler, a computer networking professor at Champlain College, is the author of this online introduction to cryptography. The material covers three main types of encryption and their applications, trust models, cryptographic algorithms, and much more. One of the most common areas that employs encryption techniques is the Internet, where it allows users to safely transmit private information (e.g, credit card numbers, financial information). These concepts are discussed in detail, with speci
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The AgNIC Dairy Information Center
The AgNIC (Agriculture Network Information Center) Dairy Information Center -- "a guide to quality information on the Internet" -- is a new open-access Web portal from the University of Wisconsin's Steenbock Library. The site is intended for "researchers in the field of dairy science, for farmers and others who raise dairy cattle, and for students of all ages interested in dairy." Users may easily browse the guide by navigating the website's nested categories, or simply search the entire site by
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National Environmental Data Index
The National Environmental Data Index is maintained by the National Atmospheric and Oceanic Administration Environmental Information Service. The service provides a full text search of information from twelve governmental agencies including the US Department of Agriculture, Department of Energy, Department of Interior, Environmental Protection Agency, and NASA. Users can choose to search from all or individual agencies, by type of information, and by several specific subjects. Results display th
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Network Montana Project Instructional Materials
Montana State University maintains the Network Montana Project Instructional Materials Web site. The four subject areas covered include the atmosphere, geosphere, hydrosphere, and mountain environments. Each of these contain "Information Rich Problem Solving Activities" categorized by expertise level ranging from novice to expert. In the geosphere novice level, for example, the Exploding Mountain exercise lets students compare before and after volcano images, learn about lava, and explore locati
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Study of Menopausal Women with Heart Disease Finds No Benefit, Potential for Harm from Hormone Thera
This site describes a study sponsored by the National Heart, Lung, and Blood Institute, which found that postmenopausal women with heart disease did not benefit from high doses of antioxidants vitamins, whether alone or in combination with hormone replacement therapy. In fact, researchers found both treatments to be potentially harmful.
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National Speleological Society (NSS)
At this website, the National Speleological Society (NSS) promotes its goals "to study, explore, and conserve cave and karst resources; protect access to caves; encourage responsible management of caves and their unique environments; and promote responsible caving." Individuals can view amazing images of the twelve preserves managed by NSS. Students and educators can investigate links offering virtual tours of caves, cave exploration safety, and materials about the geologic characteristics of ca
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Predicting Invasions of Nonindigenous Plants and Plant Pests
This Web site contains the free book Predicting Invasions of Nonindigenous Plants and Plant Pests provided by the National Academies Press. Compiled by the US Board on Life Sciences and the Board on Agriculture and Natural Resources, this 194-page book explores the difficulties in predicting the immigration and impact of exotic species. Researchers active in this field may find this free resource of use.
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The Warming World: Designing for Climate Change
A workshop held in January 2003 attempted to ascertain how engineers and scientists need to change their practices to account for global warming. Road and bridge damage caused by "increased sediment loads in streams, catastrophic landslides, snow avalanches, and riverside flooding" necessitates a reevaluation of engineering design methods. Eight presentations from the workshop are given in slide form on this Web site. An executive summary is also provided, which outlines some of the proposed cha
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The Experimental Virtual Environment
The Experimental Virtual Environment (EVE) is a project being conducted by the Helsinki University of Technology and the high-performance computing and networking center in Finland. The EVE encloses the user inside three walls and a floor that are rear projection screens, and the user can interact with the environment with a head tracking unit and other sensors. A brief introduction is given on the EVE Web site, followed by examples of applications for the system, its current implementation, and
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Nobel Laureates in Physics
This Stanford Linear Accelerator Center (SLAC) website presents the winners of Nobel Prizes in physics since 1901. For each winner, individuals can find short summaries of the scientist's research and his or her places of employment and study. The website supplies links to the universities and to outside resources about the prominent scientists. By analyzing the content in the website, users can begin to appreciate the great progress and advancements that have been made in the field of physics d
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Exploring Biodiversity
This new educational resource has been developed by the London's Natural History Museum to help students learn about biodiversity concepts and measures. Teacher resources include a glossary of terms and lesson plans with ideas for working through the online and field sampling activities with students. This is a valuable Web site that promotes an active approach to learning through concept and data investigation. Although the maps and data are specific to the UK, the concepts and lessons are appl
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Adventure of Echo the Bat
NASA, the US Geological Survey, and the National Biological Information Infrastructure have partnered to create this interactive multimedia adventure to teach grade school children about remote sensing. The Adventure of Echo is an interactive story about a young bat that introduces students to the ideas of remote sensing, habitat, and biodiversity. Available both online and in Adobe Acrobat (.pdf) format, the teacher's guide gives introductions and lesson plans under the headings of Understandin
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Geophysical Studies of the Las Vegas Urban Corridor
The Geophysical Studies of the Las Vegas Urban Corridor Area are part of an integrated effort to "geologically characterize the seismic hazards, water resources, and crustal structure of this rapidly growing urban corridor" by the USGS. The informational Web site contains a gravity map of the Las Vegas region, an aeromagnetic map, and a publications link with a list of over a dozen references. Seven of these publications are freely available for download with titles such as "Aeromagnetic Survey
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The Virtual Terrain Project
The Virtual Terrain Project (VTP) homepage has a wealth of information about three dimensional environment rendering, as well as links to many different research efforts and papers about the subject. The project's aim "is to foster the creation of tools for easily constructing any part of the real world in interactive, 3D digital form." Several subtopics are addressed, including plant modeling and realistic ground detailing and texturing. An interesting focus is on cultural aspects of terrain re
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ESA: Launchers
The European Space Agency (ESA) furnishes thorough articles and images regarding its launch vehicles, Europe's Spaceport, and technology. Users can find out ESA's launch schedule, plans for next generation launchers, and the past successes of the launch program. The website offers a video of a launch countdown, images of the Ariane 5, and many more media materials. Through the interactive modules, individuals can learn about the stages, boosters, engines, and additional specifics of the launcher
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The Volcano Information Center
The Volcano Information Center Web site was designed by Professor Emeritus Richard V. Fisher at University of California at Santa Barbara "to provide links to data and to inform about general volcanology in an organized way, including features of volcanoes, volcanic eruptions and volcanic hazards." Visitors can learn about the benefits of volcanoes, their hazards, eruptions, and volcanic flow, as well as explore provided links to other volcano related sites with current volcanic activity, maps,
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Karbosguide.com
A prodigious author of computer science books presents several introductions to computers and computer-related technologies at this site. Eight different guides are available, which cover topics including digital data, motherboard logic, and the computer input/ output interface. The text and accompanying illustrations are not overly technical in nature, and are therefore suitable for almost any audience. A section on digital imaging is under construction as of March 2003; it has information on p
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YES Mag: Science Projects
Parents, are you looking for a way to excite your children about science? This website developed by YES Mag, Canada's science magazine for kids, may just have the answer. Users can find numerous fun science activities addressing many of the basic science principles and phenomena including Newton's third law, lightening, wind, and chromatography. Each activity includes pictures to assist in the implementation of the project as well as a convenient printable version. With over thirty-five activiti
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