Thứ Năm, 24 tháng 1, 2013

Some Unknown Solar Energy Facts

What could be more natural and readily available than solar energy? Every day as you see the sun rising up and shining bright, you can be sure that you can use its energy without the fear of it being in shortage. For this reason, solar energy has been used for a very long time as renewable energy and today it is used to power some of the modern technologies that we use.
Solar energy is preferred over other renewable energy methods. It can be used for a number of purposes such as cooking, drying and heating etc. Not only this, but it can also be used as a source of electricity which would prove out to be cheap, and completely reliable. Therefore, its demand has been increasing all across the world along with the awareness that it can be highly beneficial.
Some interesting facts about solar energy can help to a great extent in spreading awareness about how it can be used abundantly, while also reassuring people that there are great amounts of it available, ready to be used and benefited from.
To begin with, the amount of sunlight that reaches the earth in one hour is more than it is used by the total population of earth, even in the duration of one whole year. Moreover, among all the renewable sources that we have been blessed with, solar energy is considered to be the best option for its efficiency. For people who constitute about 2 billion of the world's population, who are deprived of any form of electricity, solar power seems to be the only hope which can reach them in the remotest of areas.
With the help of solar energy, we are able to make use of technology like aircraft and other vehicles, without having to fuel them. This is a good news because some researchers have predicted that after around 50 years, the world will run out of fuel. Sunlight would be of even greater use in such a situation.
If some portion of the Sahara desert is covered with photovoltaic cells, it would be enough to fulfill all the requirements of the earth. That definitely sounds amazing, and leaves us wondering about how solar energy is not appreciated to its full worth. There is no doubt about it being a sure rescuer in the time of need, and a benefit that is not likely to run out.

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