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A powerful spotlight, directed horizontally through the space at eye level, serves as the primary light source. Two discs of color-effect filter glass (one blue, the other red) are suspended from the ceiling and rotate slowly. Only a limited range of the spectrum of visible light can pass through each disc, light from the remaining range is reflected. As a result, spots of complementary colors are cast on the gallery walls. Because the slow-moving discs are not synchronized, these projected areas of color wander, meet, coincide, and overlap, generating a seemingly endless number of combinations of colored circles and ellipses.


2 colour-effect filter glass (blue, red), motors, HMI lamp, tripod