The Article also talks about hydrophilic and hydrophobic patterns using the same setup. I would be interested in seeing the properties of a channel or via throu

The Article also talks about hydrophilic and hydrophobic patterns using the same setup. I would be interested in seeing the properties of a channel or via through the tungsten etched with these patterns. It might change the thermal absorption rate of water passing through the hole or some other neat behavior like a change to the capillary effect. This could improve concentrated solar applications even further.