Massimo 
If you take a Petri dish, castor oil and some ball bearings and put all in an electric field, you might happen to spot an interesting behavior: self-assembling wires who appear to be almost alive
[📹 Stanford Complexity Group]
Adrian W@Rainmaker1973 I wonder whether some of the resulting patterns made by the ball bearings share similarities with the burn patterns you get when you send an electric current through a piece of wood? Some of it looks sort of similar to me.