Science Source December 28, 2009 DVD
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    Strictly for editorial, single use, inside of newspaper, magazine, book (including digital version), one edition, one single country. Not for resale.

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Close-up of single-crystal photovoltaic cells. Photovoltaic cells are made of a semiconductor such as silicon or gallium arsenide. The electrons in the semiconductor are only loosely bound to their atoms. These electrons can be liberated by the addition of energy. Electrons released by light energy are collected by the grid of wires which run over the cell's surface to make an electric current.
Science Source December 28, 2009 DVD
2011-03-20
EAST NEWS
Science Source
Hank Morgan
7h2657
3,89MB
35cm x 24cm by 300dpi
A, ADDITION, ALTERNATIVE, AN, ARE, ARSENIDE, AS, ATOMS, BE, BIEC, BIEG, BOUND, BY, CAN, CELL, CELLS, CLEAN, CLOSE-UP, COLLECTED, CURRENT, CZYSTA, CZYSTE, CZYSTY, DOKONAC, ELECTRIC, ELECTRONS, ELEKTRYCZNA, ELEKTRYCZNE, ELEKTRYCZNY, ENERGIA, ENERGY, ENVIRONMENT, ENVIRONMENTAL, FOTOWOLTAIKA, GALLIUM, GREEN, GRID, HANK, IN, JASNA, JASNY, KLAROWNA, KLAROWNE, KLAROWNY, KOMORKA, KOMORKI, KOMORKOWE, KOMORKOWY, LEKKA, LEKKI, LEKKIE, LIBERATED, LIGHT, LOOSELY, MADE, MAKE, MOC, MORGAN, NAUKA, OF, ONLY, OR, OVER, PHOTOVOLTAIC, POLPRZEWODNIK, POWER, POWIERZCHNIA, PRAD, PRZEWODY, PRZYGOTOWAC, PUSZKA, RELEASED, RENEWABLE, ROBIC, RUN, SCIENCE, SEMICONDUCTOR, SILICON, SILIKON, SINGLE-CRYSTAL, SKAKAC, SOLAR, SOURCE, SUCH, SURFACE, SWIATLO, SWIEZA, SWIEZE, SWIEZY, TECHNOLOGIA, TECHNOLOGY, TELEFON, TELEFONY, THE, THESE, TO, W, WHICH, WIRES, WYKONAC, ZBLIZENIE, ZIELEN, ZIELONA, ZIELONE, ZIELONY, ZROBIC,