jueves, 29 de julio de 2010

How to desalinate water at home

As the world population grows, shortages of fresh water are being predicted to occur more frequently, in certain places of the planet. In some spots, seawater is turned into freshwater for drinking. Water desalination is an old technique human beings have been using for centuries to do this transformation, but in the last years it has been widely spread through the whole world. It is extremely useful, taking into account that the greatest part of the Earth’s water is saline. Seawater isn’t right for human consumption, at least not until it is desalinated.
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