Silicon spheres soak up the sun

April 1991
New Scientist;4/13/91, Vol. 130 Issue 1764, p16
Describes a new type of flexible solar cell, which its developers assert is cheaper and easier to make than current photovoltaic cells. How photovoltaic cells work; Why they are expensive; Texas Instruments and Southern California Edison and the development of a process that turns cheap low-grade silicon into tiny spheres of pure silicon.


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