The message <14fccba74d.Steve (AT) btinternet (DOT) com>
from Stephen Hull <Steve (AT) 127 (DOT) 0.0.1> contains these words:
Quote:
I don't know much about the colour spectrum or energetic light but I do
know that light can degrade an organic pigment which results in colour
fading. |
Quite right. And in general the fading is caused by chemical breakdown
caused by incoming light. The more damaging end of the spectrum is the
blue end which is why red paint fades faster.
Look in the bottom of a hedge or at old posters that've been in the sun
and you'll see that the litter and the poster are predominantly bluish.
--
Skipweasel.
In the beginning was the word.
And the word was Aardvark.