Some day solar cells will be as cheap as house paint, and the renewables vs. fossil fuel debate will seem as quaint as Whigs vs. Jacksonian Democrats. Getting there has inspired all kinds of crazy ideas, and the craziest, perhaps, is to do it exactly like plants do.
Thing is, your average plant turns out to be exploiting tricks of physics that most scientists used to think were only possible inside a lab, under high vacuum, at the intersection of a bunch of laser beams cooling a handful of atoms to near absolute zero.
