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Integrating Content Management with Digital Rights Management
This white paper, published in May 2003, explores the task of effectively managing digital content while incorporating and protecting the digital rights associated with the content. The authors begin by defining a content management system as it is discussed in their paper and outline the key components and capabilities of such a system. After touching on the foundations of digital rights, the paper then argues for the adoption of a "Rights Expression Language" to integrate digital rights inform
Author(s): Dykstra, Gail,Rosenblatt, Bill

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Base Valued Numbers
Most basic math classes are taught using the decimal number system, but the concept of number systems that use a base value other than ten is rarely mentioned. This educational website attempts to shed light on this overlooked theme by illustrating some common number systems that have practical value or historic significance. The material is very well presented, helping the reader to understand how numbers are represented in binary, octal, hexadecimal, and many other number systems. It also demo
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Science North: Learn and Play
Science North Museum is self-described as creating high quality science education and entertainment experiences for its visitors. The Learn and Play portion of the accompanying Web site contains a Cool Science link with a wide variety of activities including an interactive stargazer and solar system, science quizzes, a reflex tester, a geology exploration activity, and more. Other links on the Learn and Play page include descriptions and movies, additional recommended science links, and Web cams
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The Brighton University Resource Kit for Students
The Brighton University Resource Kit for Students (BURKS) is an archive with "compilers, tutorials and reference manuals for dozens of different programming languages, a dictionary of computing with over 13,000 entries...a vast amount of useful software, information about the Internet itself, and much more." BURKS is primarily intended for individuals who do not have access to an Internet connection, which is why the collection mostly consists of resources from external websites. The collection
Author(s): English, John

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Datasheet Locator
With so many electronic components on the market today, it is often difficult to find datasheets with specifications and properties for a particular part. Rather than scouring the Internet for manufacturer's Web sites, Datasheet Locator has links to all the information you will need in one centralized location. The list of manufacturers currently numbers over 700. By directly connecting to the manufacturer's Web site, the information will always be up-to-date. Many of the companies allow searchi
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Illinois Natural History Survey Mollusk Collection
The Illinois Natural History Survey (INHS) "Mollusk Collection contains over 105,400 catalogued specimens, most of which were collected in Illinois and the southeastern United States. The collection is 90% freshwater species (mussels, fingernail clams, and snails) and 10% terrestrial species (snails)." This INHS website allows visitors to search the Mollusk Collection Database and offers search fields for Genus species, Stream, Drainage, County, State, Year, and more. The site also links to cont
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The New Zealand Geographic Place Names Database
The New Zealand Geographic Place Names Database, offered by Land Information New Zealand, contains more than 40,000 official and non-official place name entries from the mainland of New Zealand. Searches can be done by partial name or by location; results yield a description of the place (such as a beach or hill), its district, and its latitude/longitude. Additional searches can also be done to include all place names surrounding an area. Although intended to assist in the production of core top
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Coatings Guide
The Coatings Guide is a comprehensive source of information and utilities regarding low-pollution coating technologies. The Guide is maintained by the Research Triangle Institute in cooperation with government environmental agencies. Coatings for plastic and metal substrates are currently the focus of the site; however, an architectural section is under development that will include wood and concrete coatings. An Expert System tool recommends coating alternatives, while a cost tool determines th
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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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Hydroelectric Dams
Although hydroelectric power represents a relatively small portion of the world's energy resources, it is still an important commodity with great potential. To harness hydropower, civil engineers must design dams that convert the kinetic energy of water into electricity.The fundamentals of general-use dams are discussed on the home page of the US Society on Dams (1). Besides providing brief background information, there are a few examples of the benefits of dams to society. For a much more techn
Author(s): Leske, Cavin.

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World Soil Resources Map Index
From the US Department of Agriculture's office of Natural Resources Conservation Service, the World Soil Resources Map-Index Web site contains nineteen global maps as well as several regional and country maps related to soil. The global maps include such topics as Global Soil Regions, Soil Temperature Regimes, Water Holding Capacity, and Wind Erosion; the regional maps contain information from Afghanistan, Africa, Albania, Lithuania, and Indonesia. Each map contains information on its specificat
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zeroBio
Elliott Kimmel may have created zeroBio for the students of London, Ontario's Central Secondary School, but high school biology students anywhere would benefit tremendously from a visit to this extensive collection of biology learning resources. In addition to functioning as an online biology textbook, zeroBio offers dissection photos for a number of specimens, multimedia presentations, self-quizzing flashcards for organic chemistry, downloadable worksheets, interactive quizzes, games, puzzles,
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The Journey Inside
The Web designers at Intel did a tremendous job when designing The Journey Inside, a Web site on computer and Internet-related technologies. Six sections offer interactive lessons, video demonstrations, and interesting stories about fundamental concepts. The first section provides a general introduction to computers. Next is an informative overview of Circuits and Switches, followed by a discussion of Digital Information storage and analysis. Microprocessor basics, the Internet, and Technology a
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Physicians for Social Responsibility: MercuryActionNOW
MercuryActionNOW is an "online resource created by Physicians for Social Responsibility (PSR) to provide health care professionals and concerned citizens with information about the effects of mercury emissions on public health." The website is full of links to reports, fact sheets, letters, and other websites regarding mercury-related pollution and health issues. Examples include a downloadable Salmon Contaminant Factsheet; the Environmental Protection Agency's Mercury website; the CDC's Second
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Stanford University Medical Center: Ovarian Kaleidoscope Database
The Ovarian Kaleidoscope Database (OKDB) was developed by the Hsueh Lab in the Department of Gynecology & Obstetrics at Stanford University Medical Center. The OKDB "provides information regarding the biological function, expression pattern and regulation of genes expressed in the ovary. It also contains information on gene sequences, chromosomal localization, human and murine mutation phenotypes and biomedical publication links." Database users can conduct a Gene Search, or browse an extensive
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Wolfram Research's Mathematical Functions
Wolfram Research, the maker of the popular software Mathematica, recently added a comprehensive database of mathematical functions to its Web site. Currently, there are over 37,000 formulas that can be browsed alphabetically or divided into fourteen categories. Documents explaining general identities and notations used on the site are also available; however, users must sign the guestbook before they can be viewed. Wolfram Research hopes eventually to add a history section for many of the functi
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MathFROG
MathFROG stands for Math Fun, Resources, and Online Games. The games and resources available here were developed by a team at the University of Waterloo and are intended for students in grades four, five and six. The lessons are self-contained, combining online mathematics games or technological tools with appropriate paper-and-pencil follow-up exercises, which can also be downloaded free of charge. Each lesson lasts about 45 to 60 minutes and includes information on the related Ontario curricul
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Motion System Design Online
While this site is considered a news source, it is perhaps best used as an educational reference for mechanical engineering topics. A very interesting section called Brushing Up is periodically updated with a new article describing one of the "core principles governing physics and the laws of motion." Fun with Fundamentals is another feature geared mainly for high school students. Here, a challenging problem is proposed, and the user must solve it. The solution to the problem is given in the fol
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EDTech: National Study of the Effectiveness of Educational Technology Interventions
This website presents findings from an ongoing study of the effectiveness of educational technology in improving student academic achievement and conditions and practices that are related to the effects of educational technology. The National Study of the Effectiveness of Educational Technology Interventions is funded by the Department of Education's Institute of Education Sciences and is being conducted by Mathematica Policy Research, Inc., and its subcontractor, SRI International. The three-ye
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A Net Meltdown is Inevitable
On October 22, 2002, an attack on the thirteen servers that act as the backbone of the Internet was carried out, briefly disabling nine of them. This drew attention to the often criticized organization that operates these servers, the Internet Corporation for Assigned Names and Numbers (ICANN). This news article argues that bad practices and insufficient safety precautions of ICANN may soon lead to a more successful attack, one that could cripple the Net. It also stresses the importance of refor
Author(s): Alberti, Bob.

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