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Showing posts from February, 2014

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Seville

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SEVILLE Sevilla After living up to some wonderful moments at Granada, the birthplace of the renowned Spanish poet and playwright Federico Garcia Lorca, we decided to further our coadventure through the heartland of the southern Iberian Peninsula, composed of lowlands, mountains and valleys. You’ve got it right. To arrive at Seville, we traversed the fascinating Spanish heartland. The landscape presented some vistas composed of rustic plains, lowlands, winding roads through the Sierra and then vast stretches of olive orchards. About 200 years back, a couple of decades after Napoleon’s army plundered and destroyed parts of Alhambra, an American diplomat and writer, Washington Irving and his Russian counterpart traversed the path from Seville to Granada. It was highly adventurous then, because of the fact that the transport system at that time was horse-drawn carriages and muleteers. It was such that they could ‘wander among the romantic mountains of Andalusia’ (Tales of Alhamb...

LED and Fireflies

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 From Twinkling of Fireflies to LED - more on Green Light,the Millennium Light! Twinkle Twinkle little stars. NOW I WONDER WHERE YOU ARE??  Leave aside stars; on a clear night in urban India you do not even get glimpses of fireflies nowadays. Vanished! Magician – Artificial Light Pollutant. Lighting professionals all over the world are relentless in their effort to relive the olden days of mystical star gazing experience on clear nights. The solution lies in LED as light source in general lighting. Reason being it is a tiny light source and thus can be optically controlled in a highly effective manner. Imagine a stadium lit by LED floodlight or all major thoroughfares in a city lit by LED streetlights. No untoward upward light, no glare, no pollution. LED is here and has progressed at a furiously rapid pace since the dawn of this millennium. Recently, scientists inspired by the twinkling of fireflies have modified LED to make it almost one and a half time more efficien...