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
Repair Within the larger language, it is impossible for any act not to help repair the larger whole. It is impossible for any act of building to remain an isolated act: it always becomes a portion of the flux of acts which is helping to maintain the whole. Even the laying of a brick, to mend a wall, will not only be used to mend that wall, but will be used to help repair the seat, the terrace, or the fireplace which that wall helps to form. Christopher Alexander, The Timeless Way of Building 104. Site Repair repair