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.
When it comes to the formulation of policies about higher education, structuring the system, financial assistance, grants and salary, the statutory body-University Grants Commission-is mentioned like a sacred cow worshipped as well as butchered in the streets. How far the UGC is autonomous is a common knowledge. It has become a post office, a government organization, disbursing petty grants, sanctioned by the Central Government, among universities or institutions with a number of tags attached to them depending upon the status of the recipient institutions, state, Central, autonomous or deemed universities. There is a perpetual complaint about the non-availability of funds. The administration should appreciate that the jumbo cabinet and expenditure on legislatures could be cut down to feed and educate a few villages. The teacher wants to be a ladder upon which students could climb and scale new heights.
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Even after half-a-century of Indian Independence, the fate of education, educators and students has hardly improved. The apathy of the power that be, including a large section of society, has not changed when it comes to human resource development and education. Even now there are more than four crore educated unemployed.
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.
Educational toys are fun for babies and provide another tool to stimulate learning and brain development in your infant. There are many ways to teach a child and tens of thousands of educational toys on the market to help parents in the endeavor. The challenge for parents, child care providers and educators is to choose from the vast array of educational toys available in a way that creates a balance of learning techniques, is age appropriate, and most of all fun. This article will provide basic facts about; how babies learn, types of educational toys available and examples of each.