HOWARD P. SEGAL, FOR THE EDITORS In November 1979 the Humanities Department of the University of Michi gan's College of Engineering sponsored a symposium on ''Technology and Pessimism. " The symposium included scholars from a variety of fields and carefully balanced critics and defenders of modern technology, broadly defined. Although by this point it was hardly revolutionary to suggest that technology was no longer automatically equated with optimism and in turn with unceasing social advance, the idea of linking technology so explicitly with pessimism was bound to attract attention. Among...