Every society creates an idealised image of the future - a vision that serves as a beacon to direct the imagination and energy of its people. The Ancient Jewish nation prayed for deliverance to a promised land of milk and honey. Later, Christian clerics held out the promise of eternal salvation in the heavenly kingdom. In the modern age, the idea of a future technological utopia has served as the guiding light of industrial society. For more than a century utopian dreamers and men and women of science and letters have looked for a future worl ....