Reversible cellular automataBilliard Ball MachinesTwo dimensions2D Billiard Ball Machine (Margolus neighbourhood)2D Billiard Ball Machine (X neighbourhood)Three dimensions3D Billiard Ball Machine (Necker neighbourhood)3D Billiard Ball Machine (3D X neighbourhood)We have a page devoted to the original Billiard Ball Machine originally developed by Norman Margolus.We have developed a version of this based on the X neighbourhood, a three-dimensional version of this, and a sister model using an alternative, the X neighbourhood.
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