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It s been said that without Harold A. Innis there could have been no Marshall McLuhan. Empire and Communications is one of Innis s most important contributions to the debate about how media influence the development of consciousness and societies. In this seminal text, he traces humanity s movement from the oral tradition of preliterate cultures to the electronic media of recent times. Along the way, he presents his own influential concepts of oral communication, time and space bias, and monopolies of knowledge.

Achieving nuclear disarmament, stopping nuclear proliferation, and preventing nuclear terrorism are among the most critical challenges facing the world today. Unmaking the Bomb proposes a new approach to reaching these long-held goals. Rather than considering them as separate issues, the authors -- physicists and experts on nuclear security -- argue that all three of these goals can be understood and realized together if we focus on the production, stockpiling, and disposal of plutonium and highly enriched uranium -- the fissile materials that are the key ingredients used to make...