Two patterned hemispheres of red and blue neon tubes are mounted on opposite sides of a circular mirror and hung from the ceiling. Viewed from a specific angle the reflection of the neon tubes creates the illusion of an entirely red or blue spherical light object.
Cited: Artist website URL: http://www.jeppehein.net/pages/project_id.php?path=works&id=237 january 26, 2016