Solar Cells Light Up Prison Cells on 'The Rock'

![][1] "Machine Gun Kelly," Al Capone, the "Birdman" — Alcatraz prison has had some infamous residents on the craggy island known as "The Rock" in the middle of San Francisco Bay.

[1]: http://www.renewableenergyworld.com//assets/images/story/2012/7/26/body-solar-cells-light-up-prison-cells-on-the-rock.jpg

URL: http://www.renewableenergyworld.com/rea/news/article/2012/07/solar-cells-light-up-prison-cells-on-the-rock?cmpid=rss