The BlenderDiplom Blog features test, doodles, previews for tutorials and various other things related to Blender.
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!