"Intute is a free online service providing access to high quality Web resources for education and research. The service is created by a network of UK Universities and partners. Subject specialists select and evaluate the websites in the database."

Echo: Exploring & Collecting History Online: "The site incorporates the WWW Virtual Library for the History of Science, Technology, Medicine, and Industry - an index of nearly 5,000 websites, many with excerpts and annotations. Since 2001 the Echo project has used the Internet to collect and present the history of science, technology, and industry. Echo provides a centralized guide and portal for those seeking websites on the history of science and technology. This guide helps researchers find the exact information they need while also granting curious browsers a forum for exploration."

Energy Science and Technology Virtual Library: "EnergyFiles is a virtual library of over 500 science and technology databases and Web sites. Sponsored, developed, and maintained by the Department of Energy's Office of Scientific and Technical Information (OSTI), this site provides access to information, tools, and technologies relevant to the Department of Energy (DOE), with an emphasis on the physical sciences. This page contains an enhanced alphabetical listing of all resources available through the service. It can be used for locating a specific collection or resource or for browsing the entire list of resources. Organization of resources by subject area is available through the Subject Pathways."

Engineering Subject Guide: University of Delaware Library directory to the following engineering categories: Chemical, Civil and Environmental, Material Science, and Mechanical engineering. Select one of these categories and click on the Internet Resources link for free access. The site is maintained by the Collection Development Department.

EngNet: An outstanding search site developed by Engineers for Engineers to service the need for easily accessible, accurate information. This resource directory encompasses all engineering related industries and the products and services therein, from project design and raw materials to final products - one of the best categorical guides for finding Internet resources in engineering. Go to Tools and Tips link for an engineering dictionary with brief definitions.

iCivilEngineer: A good site for the latest developments in engineering news.

National Academy of Engineering: "This site offers a collection of links to websites related to engineering, technology, and science. The NAE has also compiled a list of professional engineering and science organizations, and resources on engineering ethics."

NorthWest Builders Network Resource Guide: "Companies, resources and organizations serving the Architecture, Engineering & Construction (AEC) industry in the Pacific Northwest."

TechEncyclopedia: Features a search box for looking up IT-related keywords. Also features the top ten most searched terms and a link to define a term at random.

TechXtra: "TechXtra is a free service which can help you find articles, books, the best websites, the latest industry news, job announcements, technical reports, technical data, full text eprints, the latest research, thesis & dissertations, teaching and learning resources and more, in engineering, mathematics and computing."

American National Standards Institute: Click on the Internet Resources link to access ANSI’s collection of resources, a compilation of electronic assets and research materials available on the World Wide Web. The scope of this collection is research-oriented, and provides access to the websites of other organizations.

California Council on Science and Technology: CCST has a mission to improve science and technology policy and application in California by proposing programs, conducting analyses, and helping government implement policies and initiatives for a better economy and quality of life.

Center for Nanotechnology: "NASA Ames research work focuses on experimental research and development in nano and bio technologies as well as on a strong complementary modeling and simulation effort that includes computational nanotechnology, computational nanoelectronics, computational optoelectronics, and computational modeling of processes encountered in nanofabrication."

Center for Responsible Nanotechnology: "The Center for Responsible Nanotechnology (CRN) is a non-profit research and advocacy think tank concerned with the major societal and environmental implications of advanced nanotechnology. CRN engages individuals and groups to better understand the implications of molecular manufacturing and to focus on the real risks and benefits of the technology."

Foresight Institute: "Foresight focuses its efforts upon nanotechnology, the coming ability to build materials and products with atomic precision, and upon systems that will enhance knowledge exchange and critical discussion." A full-text version of the book, Engines of Creation, by Eric Drexler is available on this site. Other texts on nanotechnology are also available for the technical reader.

Lawrence Livermore National Laboratory: "LLNL is a premier applied-science national security laboratory managed by the University of California for the U.S. Department of Energy. Our primary mission is to ensure that the nation's nuclear weapons remain safe, secure, and reliable and to prevent the spread and use of nuclear weapons worldwide. This mission enables our programs in advanced defense technologies, energy, environment, biosciences, and basic science to apply Livermore's unique capabilities and to enhance the competencies needed for our national security mission. The Laboratory serves as a resource to U.S. government and a partner with industry and academia."

Linda Hall Library: "Linda Hall Library is an independent public library of science, engineering and technology located on a 14 acre arboretum in Kansas City, Missouri. The public is welcome to use the collections on site without cost. The Library is used extensively by companies, academic institutions and individuals throughout the world. The Library was established by the wills of Herbert and Linda Hall and opened in 1946."

MIT's Technology Review: Delivers "information, discussion and services for high-impact emerging technologies (especially infotech, biotech and nanotech) by building on MIT's award-winning monthly magazine."

NASA TechTracs: This site gives users the ability "to search an up to date database of all NASA programs, technologies and success stories which may have commercial potential and benefits."

National Nanotechnology Initiative: NNI is an advanced world-class nanotechnology research and development program. They foster the transfer of new technologies into products for commercial and public benefit and develop educational resources, a skilled workforce, and the supporting infrastructure and tools to advance nanotechnology.