One of the world's leading professional societies for the engineering and technology community. The IET has more than 150,000 members in 127 countries and offices in Europe, North America and Asia-Pacific. The IET provides a global knowledge network to facilitate the exchange of ideas and promote the positive role of science, engineering and technology in the world. http://theiet.org | http://kn.theiet.org | http://iet.tv | http://twitter.com/theiet | http://twitter.com/iettv