Invented Edens : techno cities of the twentieth century Introduction: The arc of utopias Neotechnics in the garden : the marriage of country and town Planning for national regeneration : techno cities in the interwar years Techno città : technology and urban design in fascist Italy The techno city goes to war : America in World War II and after Utopia revived : from industrial modernism to community The city of disciplines : utopia denied utopia restored Techno nostalgia and the new urbanism Conclusion: The fate of the industrial Eden