
What is pigment?
Refers to a material that alters the color of light that's transmitted or reflected due to selective absorption of wavelength. This process however, differs from phosphorescence, fluorescence and other luminescence forms where materials emit light. Materials chosen and developed by humans for use in art as pigments have special properties in most cases that make them the best for use in coloring materials. A pigment's tinting strength should be relatively high in relation to the material to be colored.
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Art Intervention is art which is intended to interact with an existing situation, structure, artwork, audience, or institution. Interventions became popular in the 1960s, as artists sought to effect change in political and social contexts. Artist-in-residence programs were inspired by this art movement.

In the 1960s, Fun Art was a reactive movement against abstract exressionism. It was widely known as an anti-establishment movement, the name comes from the jazz term "funky". This had positive and negative notations as the term in the jazz world, described passion, quirkyness, and sensuality, while it could also be associated with a foul odor. Funk was popular in California Bay Area, and while the artists of the Funk Art era had similar attitudes and artwork, they did not consider themselves as a part of a group movement.