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An image of F-35 Lightning II Aircraft.
Descriptive words on OS maps
Examples of descriptive words (A to M) on Ordnance Survey 1:50,000 and 1:25,000 scale maps
Internet Scout Project
Finchworld was created by finch enthusiast Rick Fulmer as an extensive online source for information about finches. This website provides links to an abundance of articles, good-quality photos, illustrations, and other information for numerous finch varieties including the Zebra Finch, Cordon Bleu, Star Finch, American Goldfinch, and many more. The site also offers the Finchlover and Finch Breeder Directories allowing site visitors to search different countries, and states in the U.S. for fellow
Internet Scout Project
In June 2000, the Fourteenth Symposium on Thermophysical Properties was held to review the progress of thermophysics over the last 100 years and to look forward to the next century of research and development in thermophysics. The National Institute of Standards and Technology (NIST) provides a special publication online covering the event, including overviews of topical issues by professionals in the field and several brief, invited essays on issues raised in the forum by panelists, audience pa
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This lab exercise is provided by the American Phytopathological Society Education Center as part of its Introductory Plant Pathology series. Created by Melissa B. Riley of Clemson University, Basic Microscopy familiarizes students with the use and maintenance of the compound and dissecting microscope. In addition to detailed procedural instructions, the exercise includes questions that test understanding of the material. The Web site also provides Instructor Notes and a link to the Nikon Microsc
Open Notebook Science BCCE 2008
Update: transcript now available
This is a presentation by Jean-Claude Bradley at the Biennial Conference for Chemical Education (BCCE) on July 29, 2008. The talk starts with an overview of Open Notebook Science using a wiki as a public lab notebook. An example of the usefulness of publishing failed experiments is d
Open Notebook Science - Falcipain-2 Preliminary Results
This talk was presented by Jean-Claude Bradley at the American Chemical Society meeting in Philadelphia on August 20, 2008. An introduction to Open Notebook Science is presented followed by an illustration of how ONS can be used in drug discovery. New data relating to the anti-malarial activity of Ugi products on 2 falcipain-2 docking sites is detaile
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This issue of Topic in Depth explores some of the resources available online regarding school finance. The first article from the RAND Review (1) discusses the challenges involved in meeting the ambitious goals established by the No Child Left Behind (NCLB) Act and the need to develop a school accountability system that can provide "the incentives and resources that the schools really need to help all students meet the state performance standards." In the second article (2), Linda Darling-Hammon
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Developed by the University of Toronto Libraries, the Anatomia website offers a collection of about 4,500 plates and images of human anatomy from the Thomas Fisher Rare Book Library ranging in date from 1522 to 1867. Visitors can search the plates by entire plate description, artist, subject words, and/or plate title or can browse the plates by artist, title, or subject. By selecting the Anatomia highlights link, users can view images of importance due to their contributions to the advancement o
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From PBS-American Field Guide, this website offers seventh- through ninth-grade teachers a downloadable unit comprised of four activities exploring the ocean's intertidal zone. The unit encourages students to consider the lives of marine organisms in this dynamic oceanic zone. The brief activities include links to video segments about several different tide pools, and a beach habitat as well. The longest activity requires 45 minutes, while the rest can be done in 30 minutes or less. The concise
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This website on spiders of Siberia was developed by Russian entomologist Oleg Berlóv. The site contains species lists for more than 20 families including Oxyopidae, Gnaphosidae, Lycosidae, and Salticidae, to name a few. In addition, the site features a number of excellent, close-up photographs of several spider species such as Araneus nordmanni, Argyroneta aquatica, Steatoda grossa, and Aculepeira ceropegia. This website also references and links to The World Spider Catalog located on the Ameri
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The Understanding the Universe Web site is part of Discovery.com's excellent educational resource DiscoverySchool.com site and is a joint effort with the American Museum of Natural History. This attractive site contains three major sections. The It's Awesome page has a time line of the universe that links to the Universe in One Year page -- a great way of learning the difficult concept of geologic time by showing that, if the history of the universe was compressed into one year, modern humans wo
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This Topic in Depth explores the field of surface chemistry. First, the American Chemical Society's (ACS) Division of Colloid and Surface Chemistry publicizes its members initiatives to "investigate the interaction of surfaces with fluids having molecular densities spanning the range from liquids to ultra-high vacuum" (1). Researchers can find out about upcoming meetings, awards, and membership opportunities. The second website presents Chalmers University of Technology's research activities in
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This website presents the American Chemical Society's (ACS) Young Chemists Committee (YCC), which is described as "the definitive resource for chemists under 35." With the goal of connecting, encouraging, and empowering young chemists; the website offers information on an abundance of award opportunities presented by the ACS, YCC, and private and government establishments. Chemists can learn about upcoming regional and local section meetings. By downloading archives of the YCC biannual newslette
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The new companion Web site to the PBS special Fireworks! (which premiered January 29, 2002) contains excellent information for anyone wanting to learn more about the science behind the controlled chaos of pyrotechnics. The interactive site features a section called Name That Shell, where you can view movies of fireworks and compare them to different varieties shown in photographs. Using a Flash presentation, the Anatomy of a Firework explains what happens from ignition to explosion of a firework
Internet Scout Project
Since the concept of permaculture was introduced by biogeographer Bill Mollison in the 1970s, it has attracted increasing interest from agriculturalists, designers, ecologists, and others. The Permaculture Research Institute (PRI) describes permaculture as "the harmonious integration of landscape and people providing their food, energy, shelter, and other material and non-material needs in a sustainable way. It is also the conscious design and maintenance of agriculturally productive ecosystems
Internet Scout Project
This remarkable Web site contains descriptions and animations of nineteen different kinds of engines. Engine types include internal combustion, steam, and sterling engines, and each page shows how the piston, crankshaft, and other components move together to generate power. The animations demonstrate the processes of intake, compression, and exhaust. Some of the featured engines have more detailed descriptions than others, and oftentimes, a brief account of the engine's history is included. One
Lecture 28 - 11/29/2010
Lecture 28
Détermination automatique des théorèmes-en-acte des élèves en algèbre. Le cas des équations e
Dans cet article, nous sommes intéressés à la détermination automatique de théorèmes-en-acte en algèbre. Ces théorèmes-en-acte ont été construits de façon abstraite, puis nous avons cherché à automatiser le mécanisme de leur diagnostic. Pour cela, nous avons utilisé le logiciel Aplusix comme support des productions des élèves qui permet d'enregistrer toutes les actions des élèves. Une base de règles correctes et erronées a été mise en place et un interpréteur de règles
Formalisation d'annotations produites par des apprenants
L'objet de cet article est la description d'une formalisation computable des annotations produites par des apprenants, représentée par une ontologie. Cette formalisation explicite la sémantique des annotations grâce à des attributs auxquels le lecteur devrait donner une valeur. Elle contient également les valeurs possibles de ces attributs. L'intérêt d'une telle formalisation est de couvrir toutes les annotations produites par des apprenants, et d'expliciter tout ce qui constitue leur se














