Science & Technology

    Volunteers Help Scientists in Search for Cheap Solar Cellsi
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    July 15, 2013 6:40 PM
    Solar cells remain a relatively expensive investment for ordinary consumers of electric power. But a group of scientists at Harvard University is looking for cheaper, organic solar cells, which could be painted on rooftops and building facades. In their research, they are employing the help of thousands of volunteers around the world. VOA's George Putic has more.

    Volunteers Help Scientists in Search for Cheap Solar Cells

    Published July 15, 2013

    Solar cells remain a relatively expensive investment for ordinary consumers of electric power. But a group of scientists at Harvard University is looking for cheaper, organic solar cells, which could be painted on rooftops and building facades. In their research, they are employing the help of thousands of volunteers around the world. VOA's George Putic has more.


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