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"Photo: IBMAnd It's Pretty Efficient Too!IBM researchers have recently published a paper in the journal Advanced Materials about a very promising breakthrough in solar technology. How is it different from existing solar technologies such as"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/clean-technology/breakthrough-ibm-makes-a-solar-cell-out-of-inexpensive-earth-abundant-materials.html>