We are in a logic of simulation, which no longer has anything to do with a logic of facts and an order of reason. Simulation is characterized by a precession of the model, of all the models based on the merest fact-the models come first, their circulation, orbital like that of the bomb, constitutes the genuine magnetic field of the event. The facts no longer have a specific trajectory, they are born at the intersection of models, a single fact can be engendered by all the models at once.