The Evolution of Useful Things A Book by Henry Petroski Here, then, is the central idea: the form of made things is always subject to change in response to their real or perceived shortcomings, their failures to function properly. This principle governs all invention, innovation, ingenuity. Spike and sponShaped and reshapedForm follows failureTheir wrongness is somehow more immediateA small corner of the world of things+23 More The evolution of devices formfunctioninventionprogressfailure
The ground plane Whereas Corbusier relegated streets to traffic functions, the ground plane represented to Van Eyck the realm in which people 'learn' cities. The placement of benches and bollards, the height of stepping-stones, the ill-defined separations of sand, grass, and water are all tools in that learning, an education in ambiguity. Richard Sennett, The Craftsman If children are transferred from a lively city street