Posted: Jul 13, 08 4:21pm

ScienceDaily (July 11, 2008) — Imagine windows that not only provide a clear view and illuminate rooms, but also use sunlight to efficiently help power the building they are part of. MIT engineers report a new approach to harnessing the sun's energy that could allow just that.

They say the improved windows could be on the market in 3 years.

http://www.sciencedaily.com/releases/2008/07/080710142927.htm