i blogged about the expensive ecospheres about 2 months ago, and i recently found a DIY site that shows you how to create your own for free! watch the video.
learn more here:
http://www.kqed.org/quest/television/view/844
here’s my original blog post about the ecospheres:
http://jeffwongdesign.blogspot.com/2008/02/ecospheres-little-spheres-of-self.html