The piston seal is the last preliminary design milestone for the GPM. (powermag.com)
With his sweeping knowledge of the field, author Jens Müller curates the standout designs of each year alongside a sidebar of design milestones. (creativeboom.com)
Each of the following 33 instructional design milestones has been chosen not only for its importance in the field of learning, but also for its impact for future generations, research and various related disciplines, such as psychology, sociology, anthropology, demography, and even biology and physiology. (elearningindustry.com)