Dan Flavin was one of the first artists to use light itself as a medium. Flavin took a “non-art” approach that favored industrial materials (in this case, off-the-shelf fluorescent tubes, electrical hardware, and an eight-foot-square steel armature). When not plugged in, the arrangement is unremarkable; illuminated, the sculpture transforms everything within its reach and seems to flatten the corner behind it into a single surface, half vibrant green and half rich blue.
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