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Showing posts from March, 2012

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Granada

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Granada   ANDALUSIAN SPAIN Granada The bus journey from Madrid to Andalusia was strangely inviting. Andalusia is the southernmost part of Spain, also known as the Iberian Peninsula. The bosky landscape around was wild and cultivated. Cultivated with fleeting patches of olive orchards, which at some places spread far into the horizon? Traversing through the heart of Spain and somewhere at the back of my mind the landscape triggered the swashbuckling identity of the historical country. In search of El Dorado maybe one of the reasons why the Moors from Africa invaded Andalusia after crossing the strait of Gibraltar in the early 8 th century. They ruled this part of Spain till the 15 th century. Spain’s heartland, known as the Meseta, is a large plateau with an average elevation of six hundred meter above sea level is located in the centre of the Iberian Peninsula. Since Madrid lies on this plateau most of the journey up to Granada was through this fascinating and partly a
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LED in general lighting ? Not quite yet

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LED in general lighting - an update   Biswajit Sengupta Despite rapid developments in LED as an efficient source of light it has not been able to capture even 5% of the market share in general lighting application which still is being dominated by the conventional light sources. It is true that apart from high power LED chips there has been great progress in enhancing reliability of drivers and heat sinks. At least the chip manufacturers can safely claim that their products are not going to betray the useful lives declared by them. LEDs do have some unique properties which no other light source can ever have. They are highly efficient, converts almost the entire electrical energy input into light energy; requires very little power to operate ( a green energy ) as it is seen in India almost 18% of the power generated is consumed by artificial lighting ( rest of the world, particularly the developed nations, may be even higher ); smaller solar panels can be used to provide po
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India Sector 9A, Gurgaon, Haryana, India
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