Visions of Technology: A Century of Vital Debate about Machines Systems and the Human WorldTechnology was the blessing and the bane of the twentieth century. Human life span nearly doubled in the West, but in no century were more human beings killed by new technologies of war. Improvements in agriculture now feed increasing billions, but pesticides and chemicals threaten to poison the earth. Does technology improve us or diminish us? Enslave us or make us free? With this first ever collection of the essential twentieth century writings on