This is a brand new test of the current implementation of the SPH fluid particles in Blender 2.68a. It uses the double-density solver and 500.000 particles. Blendfile availabe for download and study.

This is just some old doodle I found on my harddrive, it dates back to October 2011.

Recently a thread on Blenderartists popped up with the idea of a 'comment node' where one can put text to describe what a node (or node group) is doing exactly. I will show a few current solutions how to add comments to your Blender nodes and how they could be improved.

I tried to check whether Blender can be used as a tool to visualize medical CT-Data in Blender. Obviously yes!