Thought I would try scattering media in an attempt to find how it differs from
subsurface scattering.

Found that all (using method 3 defaults) media scattering types, except 5 with
some change to eccentricity, do not cause the kind of light/dark (or top/bottom,
lit/unlit) differences if all else is the same.

This image shows the scattering type 5 with eccentricity 0, upper block of wax,
and eccentricity 0.2 for the lower.

Might be common knowledge but I wasn't sure yet about potential characteristics
of media to mimic SSLT, without special adjustments or trickery like changing
parameters of separate instances. Maybe I'm learning something. :)

Bob

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