… is to find the equivalent resistance starting from any vertex to the node directly across from it.

Handmade resistor buckyball by EP

Just kidding ^___^.

My girlfriend made this beautiful polyhedron for me and I’m going to hang it up soon. Isn’t it really beautiful? The graceful mathematical form, pulled down into a cloak of pragmatic engineering … . It is a world unto itself that tumbles and tumbles on its five dozen little resistor knobs …….

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