Windows And Venetian Blinds Generating Solar Power?

This is a fascinating little article that talks about new technology in windows and even blinds.  Passive solar heat has always been a given, we designed our house for such a thing, gaining heat from the sun through the windows.  Now, however, there are scientists looking into venetian blinds and a film that is placed on windows to generate passive solar power.  That's right, electricity.  Read the linked article and keep you eye on this one, it could be interesting.