Here's a short synopsis of BCC cellular automata, together with how they can both emulate and be emulated by conventional (Moore-neighbourhood) cellular automata:
http://cp4space.wordpress.com/2013/08/2 ... -automata/
Article on BCC cellular automata (e.g. 2x2)
Article on BCC cellular automata (e.g. 2x2)
What do you do with ill crystallographers? Take them to the mono-clinic!