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LUMEN ILLUSION is one
of several viewer interactive, luminous sculptures created by Christian
Schiess, and a companion to KINETIC LIGHT. This piece utilizes sixty
24 inch electric gas discharge tubes, which flash computer controlled
patterns that are either preset or manually arranged to demonstrate
the phenomenon of apparent motion. The colored lights in this exhibit
look like they are moving in different patterns, but it's all an
illusion. The visual system tries to make sense of these flashing
lights by piecing together the stationary images to create an illusion
of motion, called apparent motion.
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