network diagram for the Critical Path Method problem
Network diagram for the Critical Path Method problem.
research and development
business
Also known as: R and D, R&D
research and development, in industry, two intimately related processes by which new products and new forms of old products are brought into being through technological innovation. Research and development, a phrase unheard of in the early part of the 20th century, has since become a universal watchword in industrialized nations. The concept of research is as old as science; the concept of the intimate relationship between research and subsequent development, however, was not generally recognized...