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Showing posts with the label LIGHTING : Non-visual optics UV

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Great Tastes - Pineapple Crab

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  From Ruby's Kitchen Crab in Pineapple Crab in pineapple served with corn pulao, salad and chutney Recipe & Method of Preparation Ingredients for Crab (dressed) -500 g Onion Paste -  2 tbsp Garlic paste - 1 tbsp Ginger Paste - 1 tbsp Green Chilli paste(deseeded) 6 pcs Tomato paste ( deseeded ) 3 tbsp Coriander 1 tsp, Cumin 1/2 tsp, Fennel 1 tsp, cloves 1 tsp, black pepper 1 tsp, sesame seed 1 tsp. (All spices to be dry roasted and powdered) Grated coconut 4 tbsp ( ground to powder form ), Basil leaves 2  tbsp              Cooking method Crabs to be thoroughly washed and then mixed with turmeric and salt. Sauté the onions and garlic ginger paste using 2 tbsp oil in a kadai till the onions turn light brown. Next, place the crabs in for frying. After about 5 min pour the dry roasted masala and coconut tomato paste. Keep frying till it dries. Add salt to taste. This process should be carried out in low flame. Meanwhile, slit the pineap...
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An Invisible War – Overview on the role of UV-C in fighting COVID-19

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UV-C vs COVID 19 The invisible pathogen COVID 19 has suddenly taken our entire planet by surprise at the beginning of 2020. The invasion was so sudden that even the World Health Organization (WHO) took time to declare this as a pandemic. At a time when the entire world is trying to arrive at plausible solutions to arrest the spread of this rampaging virus, our Lighting fraternity has joined the fight by concentrating more on studies of non-visual impacts of light. An invisible part of the optical radiation spectrum, ultraviolet radiation has more energy than its visible counterpart due to its shorter wavelengths. The ultraviolet spectrum comprises UV-A (400 nm to 315 nm); UV-B (315 nm to 280 nm); UV-C (280 nm to 100 nm) – classification as defined by CIE. Whenever ultraviolet radiation is used for germicidal purposes, it is known as GUV (Germicidal Ultraviolet ) radiation. It has been found to be highly effective in deactivating or killing virus...
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