Radionics is concerned with the context of control fields and “subtle energies”. The term “subtle energies” refers in this context to those forms of energy which cannot presently be objectively (physically) measured, because they are signals of very low amplitude which are masked due to the component “noise” of electrical equipment).
In the course of time, however, various subjective methods have been developed, such as radiesthesia, kinesiology, RAC, electro-acupuncture etc, by means of which it is possible to perform reproducible measurements in this context.