From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, and other sources. Google Scholar provides links to Dupré Library to check for availability. Include 'library.louisiana.edu' in the Library links section of your Google Scholar settings to automatically link to full-text through the Library.
Popular website for engineering professionals to exchange ideas and assistance. Online forums include specific disciplines from aeronautics engineering to structural engineering; other forums include hot topics, careers and even a section on proper language usage. Check out their Linked-In group, Networking for Eng-Tips.com Forums Members
A leading specialized vertical search, information services and electronic publishing company serving the engineering, manufacturing and related scientific and technical market segments. Newsletters, product listings, broad range of proprietary and aggregated Web-based content.