Photovoltaics in Focus

Science  09 Feb 2007:
Vol. 315, Issue 5813, pp. 792
DOI: 10.1126/science.315.5813.792b

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NEGEV DESERT, ISRAEL-- Instead of spreading photovoltaic cells wide to catch the sun, physicist David Faiman uses them sparingly but concentrates the sunlight with huge mirrors, boosting efficiency. (Read more.)