[Cob] They say adobe but they mean cob...

[Dean Sherwin]

 http://www.newscientist.com/news/news.jsp?id=ns99994764

Nice idea for squirting earth walls.  Especially since cob is so labor intensive.
On the other hand when we have so much personpower in the world and the last thing we need is more energy-intensive processes, my luddite tendencies rebel against this kind of thing.