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A site for people who think. Intellectual resources, programming, astronomy, science, mathematics, Java applets, HTML instruction, home of Arachnophilia.

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Reviews and free software downloads for Windows, Mac, Palm, Pocket PC, and Mobile Phones. The best programs and games. Buy software directly online.

ITS offers software for designing tanks per API-650 and AWWA D-100-96. We also do custom programming, offer specialty engineering services (API,AWWA,UL), and expert report services.

Helping us make and share calculations with MS Excel. XLC software to display MS Excel formulae in mathematical notation. Repository of solved problems covering many engineering topics. Site forum for software support and discussion of calculation. E...

LinkedIn strengthens and extends your existing network of trusted contacts. LinkedIn is a networking tool that helps you discover inside connections to recommended job candidates, industry experts and business partners.

Resource for professionals in the chemical industry- Information on chemical processing, chemical engineering, process engineering, process manufacturing, chemical reactions and reactors, spray nozzles, chemical containers , chemical tanks,surface an...

Internet Archive is a non-profit digital library offering free universal access to books, movies & music, as well as 150 billion archived web pages.

Facebook is a social utility that connects people with friends and others who work, study and live around them. People use Facebook to keep up with friends, upload an unlimited number of photos, post links and videos, and learn more about the people ...