Red displays come from Lithium, Rubidium and Strontium. These metals give different intensities in color and some even play other roles. Lithium and Rubidium are metals in group one of the periodic table. Lithium gives a medium red color and is most useful, for this purpose in its carbonate form. Rubidium on the other hand gives a deep red/ violet-red flame and is also used to oxidize the mixtures in these explosives; without oxidation, they will not burn properly. Strontium burns with an intense red but it also has the job of stabilizing the elements used to make the fireworks.
Some of the popular metals for fireworks include: Lithium, Rubidium, Strontium, Copper, Aluminium, Magnesium, Beryllium, Antimony, Titanium and many others. Burning these gives a wide variety of colors and makers of these products combine them based on the type of display they want. Below are specific examples of the different colors given by different elements.
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The Central and state governments invoke ESMA to curb the voice of agitating people, but it takes no time to give benefits to politicians and bureaucrats. It is essential to please them so that a symbiotic balance is maintained as also to oblige a few of them. The government has failed to take effective steps to curb industrialization of education. Within hours the doles given in Parliament and honorarium were doubled but the 6 per cent expenditure of the GDP on education has proved to be dogma persisting right from the Kothari Commission recommendations for over four decades now.
Students of various educational institutes go on strike, almost yearly, demanding withdrawal of excessive fee hike. The tuition fees make up only about 13 per cent of annual expenditure in the present university education. It is now a formidable industry and the aim is to make money. Poor students, however, intelligent they may be, cannot afford to join colleges, professional institutions or courses. They may join such courses by putting their families under heavy debt of banks or financial institutions. Even in the USA, tuition fees contribute to about 15 per cent of the total annual expenditure on higher education. Nehru said: If all is well with universities, it will be well with the nation. Whereas Rabindranath Tagore once compared educated classes in India to A second storey in an old building that was added in, but unfortunately the architect forgot to build a staircase between them.
6 to 12 Months: Your baby has much better control over arm and leg movement. By 9 to 10 months, your baby should be able to move around by some means- either pulling, crawling, or scooting. By 12 months they should be able to stand by themselves and many will even start walking. Educational toys including wooden blocks that baby can stack and knock down, throw, or bang together to make noise are good choices. By 12 months, educational wooden blocks can be used for early construction play to promote development of motor skills, cause and effect, sensory and visual stimulation. Educational toys like the Sensory Ball from Edushape, provides great stimulation with different textures. Once babies learn to sit up, they will enjoy rolling a ball and trying to catch it as you roll it back. Letting your baby chase the ball will encourage movement. Trying to figure out why a square block wont go through a round opening will help develop problem solving skills- though it may cause some frustration in the beginning. By the time your baby is 12 months, they will start to enjoy stacking activities, though they will need help in trying to get the right order. More interest in books will be noticeable now. Try to buy books that have pages with different textures and simple flaps. This will help to develop their sense of touch.