Canadian Civil Engineering History and Heritage
As part of Canada's Digital Collection project, this site exemplifies some of the country's most significant civil engineering landmarks. Most of the depicted sites have been "commemorated as National Historic Civil Engineering Sites by the Canadian Society for Civil Engineering." Over 40 features include bridges, railways, dams, and the Alaska Highway. There are pictures and descriptions of each item in the collection. Several important civil engineers who contributed to national sites are also
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Lichen Determination Keys
Published by the Botanic Garden and Botanical Museum (BGBM), Berlin-Dahlem, this Web site serves as on online guide to lichen identification. Users can choose from articulated identification keys for a large number of taxa, or follow links to keys organized by geographical region. There is also an interactive lichen identification database. The Web site has been recently updated to include a key for the genus Stereocaulon in Tropical America. Users should note that the keys listed are created by
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Science@NASA
This NASA website promotes its recently established Science Mission Directorate, which is "closely involved in the Vision for Space Exploration through its support of science that both enables, and is enabled by, NASA's exploration activities." The website breaks down the Directorate's initiatives into three categories: Earth-Sun System, Solar System, and Universe. Visitors can find fantastic images and extensive, clear information on NASA's countless missions and also scientific background. Edu
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National Pollutant Release Inventory
The National Pollutant Release Inventory is maintained by Environment Canada and provides access to pollutant release information for facilities located throughout Canada. The data can be searched by chemical name and location, and results provide detailed information on the substance, its release, its disposal, and its transfer at a particular facility.
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The World: Technology Report
Public Radio International broadcasts "The World," a daily international news program, and a periodic feature of "The World is the Technology Report." This site provides downloadable audio from the four-minute report, which looks at some interesting and obscure technological innovations. The November 12, 2002 recording discusses an invention from a Danish university. The Automatic Pool Trainer, as it is called, uses lasers, cameras, and sophisticated tracking software to show the optimal shots o
Author(s): Roberts, Rebecca.

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International Design Contest 2002
The 2002 International Design Contest, held at the Massachusetts Institute of Technology, concluded on August 16. All information pertaining to the robot building competition is posted on this Web site. A standard component kit was given to each team to design their robots. An inventory of this kit, CAD models of the parts, and an overview of the control systems are given online. Many video clips can be viewed, including one that shows "the entire contest from beginning to end." Other material n
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NASA Tech Briefs: Engineering Solutions for Design and Manufacturing
NASA Tech Briefs is a monthly magazine that summarizes technologies developed through NASA research and their commercial applications. Free of charge, the magazine's Web site has much of the information that is published in print, while also offering an easy-to-navigate interface. The Tech Brief Library is an archive that dates back four years in twelve different categories, ranging from mechanics to software. The Technical Support Packages have even more detailed information in downloadable Ado
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World's Largest Math Event
April is Mathematics Education Month, and the National Council of Teachers of Mathematics will celebrate with the eighth annual World's Largest Math Event (WLME). The WLME Web site has activities from all eight of the events, which are suitable for grade school teachers to introduce in their classes. This year's WLME theme is Entertaining Mathematics; previous years' themes include Animals As Our Companions, The Power of Nature, and Math Olympics. The activities given on the site use mathematics
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Earth Observatory: Melting Snows of Kilimanjaro
Satellite photos of Mt. Kilimanjaro have become recently available from NASA's Earth Observatory, a "freely-accessible publication on the Internet where the public can obtain new satellite imagery and scientific information about our home planet." Taken in 1993 and again in 2000, these photos chronicle the dramatic disappearance of Kilimanjaro's glacial ice cap, a sensitive indicator of climate change that some scientists believe may vanish altogether by 2015. The Web site provides links to othe
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National Diatom Database
Single-celled diatoms are "powerful indicators of environmental conditions as they respond quickly to environmental changes, and are widely utilized in stratigraphic investigations." The Geological Survey of Canada's National Diatom Database contains two components, the first of which includes about 5,000 diatom samples, their description, and precise geographic location. The second has 1,500 entries that give "information on the environmental and ecological tolerance of individual diatom specie
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Magplane: Transportation for the Information Age
The Magplane concept involves electromagnetically levitated vehicles designed for fast intra-city travel. This is in contrast to most other systems that focus on intercity travel; the goal of the Magplane system is to connect suburbs and locations up to 250 miles from a central metropolitan area, with travel times of about an hour or less. The Magplane home page offers many details of the system's design and operation. Five technical papers are also presented, which describe some of the engineer
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Extrasolar Visions
The Extrasolar Visions Web site provides a searchable guide to extra solar planets. These include planets of normal stars, pulsar planets, brown dwarfs, protoplanetary disks and protoplanets, extragalactic worlds, massive compact halo objects, and disproven or doubtful worlds. Visitors can search for these objects or view the week's 20 most popular systems, 20 most interesting systems, or the 20 most recently updated systems. Once chosen, the objects name, mass, average distance, and type is giv
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Parkinson Disease - Cranial Nerves Exam - Trigeminal (CN V) Nerves Sub-exam - Patient 4
This 76-year-old man developed tremor of his right arm and leg 15 years ago. It has increased in severity over the years. A shaking right hand affects his writing, dressing and drinking. Occasional drooling, difficulty rolling over in bed and a soft voice at times are also issues. The tremor has affected his writing and he has mild difficulty with buttons and zippers. He spills when he uses his right hand to drink. He has occasional drooling and slight difficulty rolling over in bed. His voice
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Site Libre Savoirs: Mécanique des milieux continus
Domaine: Science des matériaux, mécanique, génie mécanique
L\'enseignement présente les concepts fondamentaux de la Mécanique des milieux continus qui sont mis en oeuvre sur des exemples simples en Mécanique des fluides et en Mécanique des solides. La démarche se concentre sur les milieux continus tridimensionnels et sur les notions de contraintes et de déformations, présentées en quatre étapes :

  • la modélisation macroscopique des milieux continus et de leur mouveme
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Prions
The following websites provide a quick review of prion research in the news. Prions, short for "proteinaceous infectious particles," are responsible for Creutzfeldt-Jakob Disease (CJD), mad cow disease, scrapie disease, chronic wasting disease, and other deadly brain diseases. The first website, a Science Update from the journal _Nature_, reports on an intriguing study published earlier this year that found genes in some human populations offer protection from prion diseases, possibly in respons
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University of Illinois Extension's Just for Kids
Designed for younger students, this Web site from the University of Illinois Extension offers a number fun, interactive programs on a variety of life science topics. Most of the activities include a guide for teachers, which differ in level of detail. The activities themselves vary in their format and features, from animated cartoons with minimal text to pages of text with no diagrams at all. Check the teachers' guide of each activity for appropriate grade level. The activity about earthworms ti
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McMaster University: Hitchcock Group
This website promotes research by the Hitchcock Group at McMaster University with the "applications of inner shell excitation spectroscopies and microscopies to the analysis of advanced materials." Researchers can find general overviews, in-depth summaries, and highlights about the group's projects in the areas of synchrotron radiation and electron impact. Students can find out about funded research positions and postdoctoral opportunities. The website offers pdf files of the group's publication
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probeBase
The Microbial Ecology Group of Munich's University of Technology has recently launched probeBase, "a comprehensive database containing published rRNA-targeted oligonucleotide probe sequences, DNA microarray layouts and associated information." Users may search for sequences by target organism, which "can assist in the development of new rRNA-targeted oligonucleotide probes for fluorescence in situ hybridization (FISH)," or by probe name for rapidly retrieving published probes targeting desired s
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Bush Cites Need to Develop Affordable Hydrogen-Powered Fuel Cells
In his State of the Union Address on January 28, 2003, President Bush made a case for further fuel cell development. Current efforts in this area have not determined how to efficiently produce or extract hydrogen for the cells. In hopes of solving this problem, Bush proposed a $1.2 billion FreedomFUEL initiative. The first site discusses the initiative and its potential to create a nearly pollution-free method of electricity generation.
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The American Society of Mammalogists
Founded in 1919, the American Society of Mammalogists (AMS) is an organization, composed primarily of professional scientists, that promotes mammal study. The members of AMS also work to provide "information for public policy, resources management, conservation, and education." A notable ASM site feature is the Mammal Image Library which provides "images of mammals for educational purposes worldwide." The ASM website also contains information about two main publications, _The Journal of Mammalog
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