On 4/5/2010 10:51 AM, Kevin Wampler wrote:

> That's actually a really cool picture. I assume that the shorter/longer
> wavelengths are what accentuates her wrinkles in the ultraviolet and
> smooths them in the infrared, but I'm surprised the effect is so visible
> at those length scales. Maybe subsurface scattering is playing a large
> role in this.

Right. the UV light does not penetrate as deep, so will reveal more 
surface detail. IR on the other hand penetrates deeper, giving the skin 
the milky appearance.

-- 
~Mike

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