You're probably right. Given they seem to be using glass, I'd say it's both too heavy for space (?), and too costly for earth. I guess I'm hoping they take th

You're probably right. Given they seem to be using glass, I'd say it's both too heavy for space (?), and too costly for earth. I guess I'm hoping they take this technique to cheaper easier materials so I can slap this on top of a van and get decent power in a variety of different conditions.