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Étienne Guyon, Jean-Paul Troadec
From a Bag of Marbles to a Heap of Sand
Why don't sand dunes collapse? How does sand flow in an hourglass? How is it possible to empty a silo of all its wheat? What's a ceramic? The answer to all these questions can be found in the science of the complex organizations of matter, a science which is pluridisciplinary. Étienne Guyon, head of the École Normale Supérieure, and Jean-Paul Troadec, a researcher, present the characteristics of grain matter, the rules by which it is organized (in both crystal and fluid) as well as its movements (in silos as in avalanches).
Libby Purves
How Not to be a Perfect Mother
Are you one of those perfect mothers or are you a real mother? Perfect mothers always smile, always have immaculate homes, never raise their voices....
Maurice Duverger
Europe of Men
How is it possible to get many nations, separated by history, culture, political structures, to live together? If the European community functioned well with 6 members, in a mediocre way at 9, and at 12 members with difficulty, beyond, the E.E.C. will be ineffectual and paralyzed. One solution is available: to change the institutions. The author, a former member of the European Parliament, proposes here a new theory of federalism, the only way according to him, to progressively substitute to the power of the technocrats that of the members of Parliament and citizens.
Jean-Louis André
At the Heart of Urbanity
What should be done about neglected suburbs, the bedroom towns, dehumanized, and deregulated ? When we are faced with buildings in ruins, with wasteland and concrete deserts ? The answer is to stop trying to fix the obvious defects of these surburbs and instead concentrate on the heart of the town, in the common space, which must take on the changes made and symbolise an identity. Jean-Louis André, graduate of the Ecole normale supérieure, is a journalist. He has notably published with Ricardo Bofill, The Spaces of A Life.