Tendencias en la comunicación de la ciencia: la transformación inesperada de una idea

This essay intends to show that the idea that gave rise to modern popularization of science (today known as Science Communication), based on the importance of scientific knowledge and the social need to reach people beyond those who generated and applied it, has in the course of forty years undergone transformations that make it nearly unrecognizable at least from the point of view of its original objective.