What are the techniques of rendering voxel based objects in real time?

“What are the techniques of rendering voxel based objects in real time?”

This is a question I have been struggling with since last summer.

I will be doing that for next year – in my honours project.

I have designed test/experiments.
Some of them has been – already – eliminated.

However, there are so many things I could perform in order to make me my GPU cry.
meanwhile.. “boxel” engine is in development – time to test “crazy” ideas of mine.

First Test,

Many cubes…