The physical substrate of constraint. These essays examine how lines of cooperation form in matter, how those lines enable flow, and how failure follows the same paths that function created. From atomic bonds to grain boundaries to biological tissue to engineered structures, the same formation and dissolution logic repeats at every scale. Everything that holds together does so along lines. Everything that falls apart does so along the same ones.
The paths that make a system work are the same paths along which it breaks.
Materials don’t behave — They obey their board