Nanotechnology Can be Helped by a New Technology for Electromagnetic Waves

On this paper we propose the use of a recently developed technology about the substitution of metamaterials with electromagnetic time reversal procedures for apply in some issues of nanotechnology. The general concept is to take advantage of two important facts: first we can localize the electromagnetic signals much better; secondly, in many cases we can use waves of minor frequency than that we would use in absence of this technology. To this end we give some examples of specific research where it is possible to apply the vector-matrix formalism to nanotechnology.