Abstract
Architectural realizations, as well as the practices and know-how of architects, can only quite partially define what architecture is or might be. The virtualities that run through it are the best ways we can grasp it. The histories of the sciences and of architecture continuously overlap and intertwine over the course of the last century, because of numerous analogies between the virutalities they bear. Constants have appeared between their modes of emergence, like the search for a unified world via a rationalization of processes and breakthroughs, or the irruption of monstruosity as a factor of regeneration and instability. Monstruosity, always renewed and never domesticated, then becomes the element that allows one to outline the fields of action we could take up and inhabit