When radar was new it was found necessary to eliminate the balloon system for city protection that had preceded radar. The balloons got in the way of the electric feedback of the new radar information. Such may well prove to be the case with our existing school curriculum, to say nothing of the generality of the arts. We can afford to use only those portions of them that enhance the perception of our technologies, and their psychic and social consequences. Art as a radar environment takes on the function of indispensable perceptual training rather than the role of a privileged diet for the elite.