The life work of Serbian scientist and inventor Nikola Tesla has produced important innovations not only in the field of telecommunications and wireless transmission but also in the fields of electrical distribution systems, fluid propulsion and signaling systems. Such is the amount of his work, especially from the point of view of scientific weight, that his resonance will be felt for many decades in the future, having himself been a precursor. One of the experiences of the Serbian inventor, not well known to most people, is his work on X-rays. His experiments led to the definition, at the same time as German physicist Wilhelm Conrad Roentgen published his discovery on "particularly penetrating rays", in 1895, a form of radiation that coul...