An Australian consulting company maintains this valuable Internet resource for electrical engineers. Many theorems and formulae are included, ranging from fundamental voltage and current laws to transformers and three-phase circuits. The site lists common practices for reducing circuits into simpler representations, which facilitates the process of circuit analysis. Anyone who designs or evaluates...

The EDN Network, which functions as an "electronics community for engineers, by engineers," seeks to provide resources that professional engineers might need to expand their knowledge and to succeed in their careers. The site is organized into a few basic categories (Design Centers, Tools & Learning, Community, and EDN Vault). Within those categories, subcategories direct readers to the projects,...

eFunda, which stands for Engineering Fundamentals, provides a single source for mechanical engineering reference information. Managed by a group of PhDs and others with extensive experience in the working world of mechanical engineering, the site is divided into six main areas: Materials, Processes, Formulas, Design Center, Units and Constants, and Mathematics. Among the useful material at this...

The mission of Engineers Edge is "to be the preferred online destination for designers, engineers and manufacturing professionals" by offering training, seminars, and online technical information and products. This section of their website on Strength and Mechanics of Materials offers an overview of topics in Materials Science, including sections on stress, strain, Hookes Law, malleability,...

This incredibly comprehensive site offers 24 free online modules that explain a wide variety of concepts within electrical engineering. Each module is presented in a style similar to that of a textbook, with detailed explanations of concepts, discussions of underlying theory, and practice problems with solutions. Topics include electromagnetics, digital computers and logic, fiber optics, and many...

Working with WTOP Radio and Federal News Radio, the National Academy of Engineering has created hundreds of radio features that highlight engineering innovations and stories that add technical context to issues in the news. Visitors to the site will note that they can search through the programs by year or theme. The themes here include "Environment", "Sports", and "Chemical Engineering". Some of...

Now an annual event, National Engineers Week was founded by the National Society of Professional Engineers in 1951. In 1988, the National Engineers Week consortium expanded and now includes "more than 100 engineering, scientific, and education societies and major corporations dedicated to enhancing the public understanding of the engineering profession and to promoting pre-college interest in...

Founded in 1939, the National Information Standards Organization (NISO) is the premier contact organization responsible for identifying, developing, maintaining, and publishing technical standards "to manage information in our changing and ever-more digital environment". Their standards apply to both traditional and new technologies to the full range of information needs, such as storage,...

Formed in 1950, the Society of Women Engineers (SWE) works to give "women engineers a unique place and voice within the engineering industry." Its website offers visitors access to a range of resources via headings such as Membership, Learning, Scholarships, and K-12 Outreach. This last area features a range of items including podcasts and webinars that explore mechanical engineering, gender...