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Drawing with the Hand in Free Space
Leonardo, a journal that focuses on applications of science and technology in art, included this paper in its second-to-last issue of 2002. The author discusses a fascinating method of creating three dimensional shapes in a semi-immersive virtual environment. Developed at Caltech, the technique tracks the motion of a user's hand, which is fitted with a special type of glove. With the help of an eyepiece viewing device, the user can see the corresponding surface drawing floating in midair. Severa
Author(s): Schkolne, Steven.

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Easy-to-read Health Information
The National Network of Libraries of Medicine offers this collection of links to easy-to-read Web sites for health-related information. Topics cover everything from diabetes to wound dressing to environmental health and safety. The site appears as an extensive list of links organized by topic. A main menu at the top of the page allows users to quickly jump to subjects of interest. The links lead to pages from National Institutes of Health Web sites and other authoritative sources, and are select
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WormBase
WormBase is the product of "an international consortium of biologists and computer scientists dedicated to providing the research community with accurate, current, accessible information concerning the genetics, genomic, and biology of C. elegans and some related nematodes." This frequently updated Web site has recently made available the complete C. elegans genomic sequence. Offering a number of ways to search the genome, the site provides a helpful User's Guide, genetic maps, related links, an
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Pharmacist.com
Pharmacist.com is an information resource project developed jointly by the National Association of Boards of Pharmacy and the American Pharmacists Association. The website is designed to support pharmacists, pharmacy technicians, and pharmacy students by providing useful information and professional development resources. Professionals seeking employment will certainly appreciate the extensive job board with hundreds of listings from around the country. The site also contains a sizeable collecti
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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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Global Crop Pests Identification and Information
This Web site from the Cornell Institute for Food, Agriculture, and Development contains a newly developed prototype of the "Global Crop Pest Identification and Information Services in Integrated Pest Management (IPM)." Available in English and Spanish, this online guide aims to "increase crop pest diagnosis and IPM information capability among extensionists and farmers of developing countries." Users can search the site by crop or pest name; for example, clicking on a particular crop name will
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The Turing Test
A man before his time, Alan Mathison Turing is arguably one of the most recognized mathematicians of the 20th century. In 1950, he published a paper that, to this day, sets the standard for artificial intelligence. He proposed a way to determine if a machine has intelligence, and this is now called the Turing Test.In his 41-year life, Turing accomplished a great deal as a mathematician. Bordering on many philosophical issues, his work is recounted in this online biography (1). A very good introd
Author(s): Leske, Cavin.

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METRIC Math
Developed by individuals from the Mathematics Department and the Chemistry Department at the Imperial College in London, METRIC Maths aims to help students improve their math skills and knowledge. Visitors can download for free the Java-based program, which is geared towards advanced secondary level mathematics and as preparation for transitioning to University level mathematics. The program provides students an opportunity to "investigate mathematical ideas using METRIC's explorations," practic
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Crocodiles and Turtles of Borneo
Whether you're a herpetologist or just have a fascination for reptiles, you will want to check out this Web site from the Institute of Biodiversity and Environmental Conservation at the University of Malaysia, Sarawak. The site presents all documented crocodiles and turtles found on Borneo, representing six families altogether. An easy-to-use drop-down menu for each family lists individual species. Each species page provides a great photo as well as the "current valid scientific name, the Englis
Author(s): Ghazally, Ismail,Das, Indraneil, 1964-

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GCSE Bitesize Revision
This site from the BBC gives support to students in England, Wales, and Northern Ireland who are studying for their General Certificate of Secondary Education (GCSE). The site is nicely organized, but those from outside the UK should realize that the word "revise" is used to mean what Americans would call review. This can be a bit confusing when using the site, as buttons that say revise actually lead to materials to review. That said, the site provides nice "bitesize" pages on various topics in
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Mimesis
As part of the North Carolina State University Department of Computer Science, Mimesis is a project that "explores the use of computer game engines...as test-beds for research in artificial intelligence, interactive entertainment and educational software." A detailed overview of the Mimesis system architecture can be found on its homepage, as well as a few examples of virtual worlds created with the system that demonstrates different application areas to which it can be applied. A large collecti
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Freshwater Jellyfish!
Readers can discover the freshwater jellyfish Craspedacusta sowerbii at this straightforward and informative Web site from the Indiana University of Pennsylvania Biology Department. Learn how C. sowerbii is related to marine jellyfish, where they live, and what they eat, as well as other aspects of this species' natural history. The site includes a small image gallery, an extensive reference section on the subject, and relevant links to other freshwater jellyfish research Web sites. The authors
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Two on Powered Flight
Although the centennial anniversary of the Wright Brothers' groundbreaking achievement has come and gone, these two sites provide a unique glimpse into past events and future prospects. First, the companion website to a December 16, 2003 NOVA episode offers a retrospective on the Wright Brothers' Flying Machine. Several interactive features and picture galleries are provided. Additionally, the site includes a description of the first media coverage of the historic flight and an interview with th
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EPA: Tools and Literature
Green Chemistry, as its name implies, is an environment friendly practice of using chemistry to prevent pollution. The US Environmental Protection Agency (EPA) created the Green Chemistry Expert System software that can be freely downloaded from this site. The program can be used to assess hazardous substances in chemical reactions, learn about green synthetic methods, design safer chemicals by modifying existing ones, consider alternatives to traditional solvents, or search for additional refer
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Electric Vehicle History Online Archive
This website is self-proclaimed as the "first online archive created to encourage electric vehicle enthusiasts to help preserve the recent history of electric vehicles." A wide variety of information is presented, ranging from performance data and historical policy documents to retrospective articles and amusing forecasts of electric vehicle technology from decades past. The operators of the archive encourage electric vehicle drivers and enthusiasts to contribute anything they might have to the
Author(s): Kirsch, David A.

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Roman Numerals
This website provides an overview of the Principles of Roman numerals as well as a history of Roman numerals, which dates back to 1st millennium BC when they were used by Romans to record numbers in stone, art and coins. Some pictures in the gallery highlight the ways in which Roman Numerals are used today, such as on watch and clock faces. The authors point out that Roman numerals have a classic style and are less functional than the Arabic (decimal) numbers ( 0 to 9 ) which were introduced int
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Beat the Heat at Arizona Science Center
TryScience.com offers an unique energy learning activity called Beat the Heat. This fun and interactive lesson lets users design a house in a particular location and test it in various seasons to best utilize the heat of the sun for energy efficiency. You can choose various types of roofs, windows, solar panels, skylights, and plants, as well as the direction your house faces, to see how each of these variables effects your home's efficiency. This in-depth and intriguing exercise teaches some ve
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Boeing: International Space Station
Boeing, the prime contractor for the International Space Station (ISS), has developed this website to provide information on the technology of the program. The ISS will be more than four times as large as the Russian Mir when completed, and is "the largest, most complex international scientific project in history and our largest adventure into space to date." Boeing is responsible for the design, development, construction and integration of the ISS and assisting NASA in operating the orbital out
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Project INTERMATH
Project INTERMATH is an effort to reform undergraduate mathematics and related disciplines through the "use of Interdisciplinary Lively Applications Projects." This involves changing the traditional way that math is taught by moving to a more integrated and applied science. The material presented on the project's Web site reflects this approach. Of particular interest are the Products and Topics sections. The Products section has many specific scenarios that cover multiple areas of mathematics a
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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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