Free Registration to World of Concrete, January 20-24, 2014 in Las Vegas! World of Concrete is the industry’s ONLY annual international event dedicated to the commercial concrete and masonry construction industries. Free Registration courtesy of ACI now open!
Open Yale Courses provides free and open access to a selection of introductory courses taught by distinguished teachers and scholars at Yale University. The aim of the project is to expand access to educational materials for all who wish to learn. http://oyc.yale.edu/