Archive for the ‘Science’ Category
Considering Solar Energy and Wind Farms
As we run lower and lower on oil and coal, sunshine remains abundant and so does the wind. Sun and wind are two forms of natural energy that are not in danger of ever running out. As more and more people become aware of their benefits, we are seeing solar farms and wind farms grow in popularity.
Solar farms are large areas of land dedicated to the collection of solar energy. Solar thermal plants focus sunlight with mirrors, heating water and then producing steam that drives electric turbines. Photovoltaic cells convert sunlight into electricity directly. Like most things, both types have their own sets of pros and cons. Photovoltaic cells do not require water to function so when these panels are set up in the desert, it is an understandable advantage. However, solar thermal systems can work in the shade for small amounts of time because the heated fluids can stay hot enough to continue generating electricity even without the sunlight. But this only works for brief periods of time.
Solar farms are not the only way to take advantage of the sun’s energy. The individual consumer can build their own DIY solar panels for a very low cost that can drastically reduce if not eliminate electric bills. Free instructions can easily be obtained on line that will walk you step by step through the process of constructing them. You do not need to be a skilled electrician or carpenter to put them together. Many people have built their own from college students to housewives and are already reaping the benefits.
There are many other advantages of solar energy. It is clean, renewable, and extremely powerful. By covering only one percent of our country’s land with photovoltaics you could more than meet the entire country’s energy demands.
Wind farms are a group of wind turbines that are in the same location and are used for the production of electric power. A large farm may have several hundred turbines. These need to be in areas of steady high wind so they may even be located off shore. They usually need a wind speed of 10 mph at the least. Though they do not require any water and do not pollute the air, there has been some concern about the birds that are killed by wind turbines. However, some consider the number of birds killed by wind turbines as negligible when compared to those that die as a result of the environmental impacts of fossil fuels.
With all of the potential in natural energy, it’s high time we begin taking advantage of the sun and wind in as many ways possible!
New Revelations Concerning Bariatric Surgery Weight Loss Diet
Bariatric surgery weight loss diet is real essential. Supposedly, that didn’t have to turn out so good. Sometimes mere mortals just want a few really good diet pills cause heart attack to chew on. It was claimed by many. Aren’t you looking for emergency medicine? Do I seem very ungenerous? In that case, the cost involved makes this option beyond the reach of most Americans. I suspect I bit off more than I could chew. Let’s see if we can turn that into nothing.
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