Xnewsman sent in
this url that describes an experiment run by scientists at the University of Oxford
in England using a 3D printer to build a network of thousands of water droplets, connected through lipids. It is hoped that similar structures as these will serve as scaffolding for failing tissues or be used to deliver drugs to places in the body.
In the Vimo video below, you can see the network that was created. The "programming" is different concentrations of salt strategically placed through out the network which then attracts water. The net effects is very life-like behavior into complex structures.
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