This posthumous collection of interviews and occasional papers given by Castoriadis between 1974 and 1997 is a lively, direct introduction to the thinking of a writer who never abandoned his radically critical stance. It provides a clear, handy resume of his political ideas, in advance of their times and profoundly relevant to today's world. For this political thinker and longtime militant (co-founder with Claude Lefort of the revolutionary group "Socialisme ou Barbarie"), economist, psychoanalyst, and philosopher, two endless interrogations-how to understand the world and life in society-were intertwined with his own life and combats. An important chapter discusses the history of "Socialisme ou Barbarie" (1949-1967); in it, Castoriadis presents the views he defended, in that group, on a number of subjects: a critique of Marxism and of the Soviet Union, the bureaucratization of society and of the workers' movement, and the primacy of individual and collective autonomy. Another chapter presents the concept, central to his thinking, of "imaginary significations" as what make a society "cohere." Castoriadis constantly returns to the question of democracy as the never-finished, deliberate creation by the people of societal institutions, analyzing its past and its future in the Western world. He scathingly criticizes "representative" democracy and develops a conception of direct democracy extending to all spheres of social life. He wonders about the chances of achieving freedom and autonomy-those requisites of true democracy-in a world of endless, meaningless accumulation of material goods, where the mechanisms for governing society have disintegrated, the relationship with nature is reduced to one of destructive domination, and, above all, the population has withdrawn from the public sphere: a world dominated by hobbies and lobbies-"a society adrift."

This posthumous collection of interviews and occasional papers given by Castoriadis between 1974 and 1997 is a lively, direct introduction to the thinking of a writer who never abandoned his radically critical stance. It provides a clear, handy résumé of his political ideas, in advance of their times and profoundly relevant to today’s world. For this political thinker and longtime militant (co-founder with Claude Lefort of the revolutionary group “Socialisme ou Barbarie”), economist, psychoanalyst, and philosopher, two endless interrogations—how to understand the world and life in society—were intertwined with his own life and combats. An important chapter discusses the history of “Socialisme ou Barbarie” (1949—1967); in it, Castoriadis presents the views he defended, in that group, on a number of subjects: a critique of Marxism and of the Soviet Union, the bureaucratization of society and of the workers’ movement, and the primacy of individual and collective autonomy. Another chapter presents the concept, central to his thinking, of “imaginary significations” as what make a society “cohere.” Castoriadis constantly returns to the question of democracy as the never-finished, deliberate creation by the people of societal institutions, analyzing its past and its future in the Western world. He scathingly criticizes “representative” democracy and develops a conception of direct democracy extending to all spheres of social life. He wonders about the chances of achieving freedom and autonomy—those requisites of true democracy—in a world of endless, meaningless accumulation of material goods, where the mechanisms for governing society have disintegrated, the relationship with nature is reduced to one of destructive domination, and, above all, the population has withdrawn from the public sphere: a world dominated by hobbies and lobbies—”a society adrift.”

Porosity is known to be one of the primary factors controlling fatigue life and total elongation in cast aluminum components. The thrust of this study is to examine pore nucleation and growth effects for predicting gas microporosity in A356 plates. In this work, a solidification model is used to quantify and evaluate the discrepancy between experimental data and porosity calculated with different approaches. The first approach considers hydrogen supersaturation based on the transport of dissolved hydrogen and Sievert's law. The second approach uses the hydrogen supersaturation calculated in the first approach combined with a local solidification time. The third approach considers a new hydrogen technique based on the transport of inclusions through the liquid metal and mushy zone. Computer simulations were performed modeling aluminum plate castings.