"Scientists studied the absorption spectra of the different preparations
to pinpoint their shapes. "Spherical nanoparticles absorbed in the blue
region of the spectrum, for example," Yacaman said."
## So, "color" isn't 'entirely' about size, but is something much more
complex especially when shapes of impure crystals can vary in a fractal
pattern according to the nucleating particle center that the crystal grows
upon.
Why no two snowflakes of the same size, due to crystal formation
environmental conditions, are exactly the same in configuration or shape.
I've 'seen' pink and blue snow.
Ode
At 03:05 PM 10/20/2005 -0400, you wrote:
>
>http://www.physorg.com/printnews.php?newsid=7264
>
>Frank Key
>
>
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