I submitted an old article about these guys last year: http://www.popsci.com/scitech/article/2008-12/machine-might-save-world http://www.popsci.com/scitech/arti

I submitted an old article about these guys last year: http://www.popsci.com/scitech/article/2008-12/machine-might-save-world http://www.popsci.com/scitech/article/2008-12/machine-might-... the article includes a video of their proposed design and an interview.