International audienceObjects do not necessarily reach completion once they are designed, for their shapes do not freeze once designed and manufactured, but keep evolving and developing—they are put back at stake, taken over, and thereby relieved—through a number of practices. Just like with movement, whose notion had never truly been comprehended until it was put into practice via “chronophotography”, we slowly get a mental picture of them, and become increasingly familiar with them. Today, more than ever, there is a point in defending this argument—whose outcomes stem from traditional philosophical analyses, as well as from historical and anthropological data. This theory enables one to take to contemporary and technological means compreh...