Solar Spectrum Environmental art Arte Solare Ambientale
”Sun, Moon and Stars” (Sonne, Mond und Sterne), Exhibition Kokerei Zollverein, Essen, Germany. “Spectrum of Time” and “Sunrise” are permanent installations that opened 5.1999. The Kokerei Zollverein is a renovated coking factory converted to an exhibition site in the heart of the German coal mining region.
"Spectrum of Time" is a permanent rainbow sundial calendar installation in the Kokerei Zollverein, a United Nations Historic Preservation site. Hour and month lines painted on the walls and floor of the 40’ X 40’ X 40’ industrial museum space mark the hours, summer and winter solstices, and the spring and autumn equinoxes with astronomical accuracy. A 30’ X 30’ cross of solar spectrum light powered by the rotation and tilt of the earth tells the time and date. On cloudy days a laser pointer driven by a solar tracking program fills in for the rainbow.