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History: Photovoltaic Timeline

A photovoltaic cell, also called a PV or solar cell, is a device that converts light (radiant) energy directly into electrical energy. PV cells are usually made from silicon. The first PV cells were very inefficient, converting less than 1% of radiant...

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History: Solar Timeline

Solar Timeline Solar technology isn't new. It probably started some time in the 7th Century B.C., when people learned how to use glass and sunlight to light a fire. But today's sophisticated solar technologies include everything from solar-powered lights...

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CASHFLOW MANAGEMENT : THE BASICS . INTRODUCTION Cash is the oxygen that enables a business to survive and prosper and is the primary indicator of business health. While a business can survive for a short time without sales or profits, without cash it...

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