I gave a talk at the University of Colorado’s Computer Science Colloquium a couple of months ago. It’s kind of long (and totally unedited), but if you’re curious about the history of Cubelets and some other related projects, here you go:
Testing Cubelets… with Cubelets.
What better way is there to evaluate the reliability of a new Cubelet design iteration than by pitting it against its future comrades? It may