Three conic structures made of stainless steel height ca. 600 cm., and two elements made of brass, five 1000 Watts incandescent bulbs, glass plate and neon tube, on the wall/s five geometric light projections, each 1000 Watts halogen spotlights.Three of the incandescent lamps are connnected to a Geiger counter. The Geiger counter registers the background radiation, and having registered a certain amount of particles three of the incandescent bulbs are switched on and off according to a prescribed program. When the program is finished the same amount of particles are registred and the program is then repeated. The five large light projections on the wall/s are switched on and off according to a prescribed program, duration ca. 60 min., and the program is then repeated.
