Seeing through solar
2 of 10 from Photos: Building on flexible solar cells
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Another view of a transparent cell. The advantage of flexible solar cells is that they can be built into different products, such as portable gadget chargers and building materials. But these cells are not as efficient at converting sunlight to electricity as other materials and don't last as long as the cells on rooftop solar panels.
May 8, 2009 8:48 AM PDT
Photo by: Konarka
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