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Wood - A lignin foam with cellulose reinforcement.

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As theoretical person who plays and thinks about violins, the question of what wood is led to this peculiar formulation.  It appears to me that damping is a very important part of the wood properties.  And included porosity in wood is only discussed implicitly as density.  Thinking of wood as a foam has helped me when thinking about violin graduations.  So:   Wood is a lignin foam with cellulose fiber reinfocement, and hemicellulose filler.  And the fact that it is a foam containing a lot of air is important to understanding how it works in violins.    The nothing is as important as the something!

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