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Alternative Energy Essay

1380 words - 6 pages

In a recent time, one of the biggest problems in the world is becoming shortage of sufficient energy. People warn about possible exhaustion of stocks of oil, gas other major resources such as iron and copper. For about forty years after the end of Second World War, the mineral raw materials provided almost all energy for humanity; as a result, people consumed it in big amounts. From the beginning of the twenty first century, the world power is based on non-renewable energy sources. Today the main energy resources are oil, gas and coal. New prospects of development of power are connected with searching the best parity of energy. High hopes in the world are assigned to the alternative energy sources, which advantage that it is infinitive and non-polluting environment; and now such sources are solar, wind and water energy. This research project will include Solar Power, Wind Power and Hydrogen Power, also in which areas of Kazakhstan they will be more useful.
As Jan Null, an adjunct professor of meteorology at San Francisco State University and a Certified Consulting Meteorologist with Golden Gate Weather Services said, “The world’s increasing need for clean, renewable energy has given greater momentum to efforts to build the next generation of solar-powered devices for both small and large-scale use. In a world where experts say humans need to reduce their carbon footprint, solar energy is a win-win proposition. Not only is it an inherently clean technology, but every megawatt of power produced by solar energy is one less that needs to be produced by fossil fuel”; humanity has to use renewable sources of energy, to more secure future and keep our world clean.

Previous generation also used solar energy in their daily life. One example is described by (Harnessing the Sun 2009), excavations of archeologists have shown, that in edges of baths and some other constructions of Ancient Rome were built channels along which the warm air heated by solar radiation on parts of buildings and created a comfortable temperature in all rooms.
Most of people do not suspect that the way of reception of the electric power from sunlight is known more than hundred years. First time the photo electricity phenomenon was observed by Becquerel in 1839. Spending a series of experiments on electricity, it has shipped 2 metal electrodes and subjected installation to sunlight influence. Between electrodes there was a small electric pressure. The space industry without him would be almost helpless. Easy solar generators of energy have helped to create artificial earth satellites (20 structures with solar elements 1988). As (The operation of a basic photovoltaic cell, which converts light into electricity at the atomic level. (NASA)) Picture 1 represents, how modern solar plates work (journal WEATHERWISE 2009).

Picture 1 (The operation of a basic photovoltaic cell, which converts light into electricity at the atomic level. (NASA))
Solar installations can be intended...

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