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thickie

14th March 2010, 17:45
emission of light caused by incident light, infrared or ultra-violet

photo-i-i-e-c------n-e
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jdovengloves

14th March 2010, 17:48
photoluminescence
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ixion

14th March 2010, 17:48
luminescence?
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thickie

14th March 2010, 17:54
thank you
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