Viewer´s Question: How do solar cells work? # 13.09.2010 # Tomorrow TodayTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoCharlotte Wilczok09/13/2010September 13, 2010Viewer´s Question: How do solar cells work? # 13.09.2010 # Tomorrow Todayhttps://p.dw.com/p/PAXiAdvertisement