Dolores de Fez, professor in the University of Alicante and collaborator of GAP, published a divulgation paper on the perfect black color problem in the "Materia" section of "El País".
In this divulgation paper, from the "The Scientist Answer" section, our colleage Dolores de Fez, professor in the Optics, Farmacology and Anatomy Department of the University of Alicante, presents in a clear and simple form, the concept of achromatic stimulus and discusses the concept and feasability of a "perfect black" visual stimulus.
