May 2010

Solar Cells

Solar cells today are mostly made of silicon, one of the most common elements on Earth. The crystalline silicon solar cell was one of the first types to be developed and it is still the most common type in use …

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Autism and Care

Autism

1. Description:
Autistic disorder is categorized as a Pervasive developmental disorder, according to the DSM –IV TR; it is usually diagnosed in the toddler and/or early childhood years. According to Ben J. Atchison (2007), Autism falls in the Autistic …

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The Importance of Salt

The importance of salt throughout history
Almost no place on earth is without salt, though this was not clear until revealed by modern geology, in the twentieth century. Until then, salt was desperately searched for, traded for, and fought over. …

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