Light pollution: an alarming reality

It is an alarming fact, but for years, stars are less and less visible to the naked eye, and some regions never see the stars at night. But beyond this aspect, light pollution is a major environmental problem and increasingly worrying, since it now concerns almost the entire planet. Light…

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Energy saving by reduction of electrical losses in electricity supply network system

Transmission line used to transmit the large capacity of electricity in the long distance which can continue with the losses of energy during transmission of electricity up to consummation.  First of all, where these losses come from?  The energy losses depend on the different issues which can be technical and…

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