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...course, but still recognisable. Or maybe some combination of economic, social and environmental apocalypse will cause the collapse of existing infrastructure and telecommunications will be back to pencil and paper or something even more primitive. As many people have pointed out, it is hard to make predictions, especially about the future. Hamza Bendemra Research...

...courses. Systems thinking practitioners at the OU have supported and developed the use of a range of diagramming techniques as the principal tools through which visual modelling and communication can happen. The following diagramming techniques each have videos providing animated tutorials – one video describing What the technique is and at least one other video...

...courses and qualifications Rhyolite is a fine-grained extrusive igneous rock or volcanic rock. It is pale coloured, often light grey, tan or pinkish. Rhyolite is made up of quartz and feldspar crystals, and occasionally contains some mafic (dark coloured) minerals. Usually the crystals are too small to see without magnification, but occasionally contains larger crystals,...