Ken wrote:
The veneer on this table is all of the same wood. The pieces where the
grain is running parallel to the line of view appear darker than those
where the grain runs perpendicular to the line of view.

What is this effect called?

Ken Lipworth
Sydney



------------------------------------------------------------------------


Obviously, the grain is oriented in such a way that it reflects light
differently from different angles. If there is a name for this, I don;t
know it. Maybe we can make one up. How about differential refraction? :-)