Weekly art websites: using light to change the color of your day

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This week's selection of websites investigates how artists have used natural and artificial light to create the illusion of different spaces, times and/or emotions.

Olafur Eliasson - http://www.olafureliasson.net/
The public artworks and installations of Danish-Icelandic artist Olafur Eliasson totally submerse viewers in ethereal spaces. The works use elements appropriated from nature (like light, water, temperature and pressure) so viewers have an experience that Eliasson likens to "seeing yourself sensing."

Dan Flavin - http://www.davidzwirner.com/danflavin/
American minimalist artist Dan Flavin used fluorescent lights to create eerily colorful sculptures and installations that explored how light can transform a space.

Beforelight - http://www.beforelight.gr/
Greek-based collective Beforelight create large-scale installations based on their experiments with light. Using both natural and artificial lights, the creative group highlights the dynamic nature of light through collective public experiences.

Austine Wood Comarow - http://www.austine.com/
Austine Wood Comarow painstakingly cuts and layers pieces of clear, colorless cellulose between polarizing filters to create her "Polage" (short for polarized light collage) artworks.

Waltraut Cooper - http://www.waltrautcooper.com/
Austrian artist Waltraut Cooper uses colored lights to create large-scale installations that range from illuminating the facades of large buildings to scattering light across public places.