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The invention of cement revolutionized construction and civil engineering. It is not - as one might think - from the brain of a diploma engineer, but the experience of a gardener. As it was the fashion, there was rock throwing of cement on a fence. He observed that this material was both waterproof and rot proof and used it in place of wooden flower boxes. Noticing that this material had a high resistance, it was used for bins, first small then large, then tanks, soon beams, bridges ... The book traces the history of this slow development which was carried out over a dozen years, as well as trial and error and achievements of other researchers, in France, the United States, Great Britain and Germany.
Reinforced concrete --- Monier, Joseph, --- Béton armé --- Ingénieurs --- 624.012.45 --- 691.3 --- 691.3 Artificial stone. Concrete. Various agglomerates --- Artificial stone. Concrete. Various agglomerates --- 624.012.45 Structures in reinforced concrete. Ferro-concrete structures --- Structures in reinforced concrete. Ferro-concrete structures --- Engineers --- History. --- Biography. --- Histoire --- Biographies --- Reinforced concrete construction --- Designs and plans.
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Roger Silverstone's book places the global media at the heart of the moral future of civilisation. It argues that the media (the press, broadcasting, the Internet and increasingly peer-to-peer technologies and networks) have a profound significance for the way in which the world is understood by its citizens. It also argues that without a clear understanding of that significance, and without a critique of the way in which the media go about their daily business, we are likely to see an erosion in the capacity of human beings to understand and respect each other, especially those whom they see and hear only in their mediation. In a world of increasing polarisation and demonisation, the media have a powerful role to play. They can reinforce or they can challenge that polarisation. The book proposes that we should think of the global media as a mediapolis, a single space of political and social communication, in which the basis for the relationships between neighbours and strangers can be either constructed or destroyed. The mediapolis is a moral space, a space of hospitality, responsibility, obligation and judgement. And questioning its present and future requires attention to issues of media justice, media literacy and media regulation.
316.774.16 --- #SBIB:309H1016 --- 316.774.16 Massamedia: maatschappelijk, politiek, ideologisch, ethisch, juridisch, socio-cultureel--(communicatiesociologie) --- Massamedia: maatschappelijk, politiek, ideologisch, ethisch, juridisch, socio-cultureel--(communicatiesociologie) --- Media: socio-culturele aspecten (massamedia en maatschappij, met inbegrip van cultuurhistorische werken en werken over de maatschappelijke en politieke effecten van de (diverse) media) --- Mass media --- Moral and ethical aspects. --- Moral and ethical aspects --- Moral and religious aspects --- 062 Cultuurfilosofie --- 690 Media, mediarecht --- 691 Informatiemaatschappij --- 695 Communicatie --- General ethics --- Mass communications --- Médias --- Aspect moral --- Déontologie --- Médias --- Déontologie. --- Aspect moral.
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