yes pigmentA pigment is a material that changes the color of reflected or transmitted light as the result of wavelength-selective absorption. This physical process differs from fluorescence, phosphorescence, and other forms of luminescence, in which a material emits light.
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Paul_P http://www.Paul-hub.com,
Sat 25 Feb 2012, 10:04,
archived)
No I just wonder what the pig mentwhat were his plans, his dreams
we'll never know.
(we'll never know.
discomeats This canoe,
Sat 25 Feb 2012, 11:43,
archived)