Abstract: The present invention concerns a method for a location and/or time-dependent alteration of the friction coefficient and/or adhesion force between two bodies, which includes irradiation of one or both contact surfaces between the bodies with radiation, use of the method according to the invention for location and/or time-dependent alteration of the friction coefficient and/or adhesion force between to bodies, a system that includes two bodies in which the friction coefficient and/or the adhesion force between the bodies can be temporarily or permanently altered, and a device for location and/or time-dependent regulation of the friction coefficient and/or adhesion force which includes the system according to the invention and a control unit.