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.
Fireworks light up the sky during celebrations; they give a wonderful show of color and shapes that fascinate the eyes and minds of many. The beauty of the display often leads many to wonder where the colors come from. The short answer is that they are the result of the burning of metals placed in these explosives. These metals are elements of the periodic table that burn at different temperatures and give off colors at their melting points.
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How Babies Learn It is quite surprising the rate at which babies learn and develop. Learning begins in the womb and continues throughout childhood. In early life how a child learns centers largely around the relationship with the parents. At least until the child starts preschool, the job of stimulating and satisfying babys desire to learn falls primarily to the parents. While babies respond to their parents voice there are many other sounds they find interesting. When parents are choosing educational toys for babies they should look for toys that have sound, colors that are bright and contrasted like red, black and white, and have interesting textures that babies like to touch.
Teaching profession is devalued in the country because the teachers cant compete in our society, have no muscle power, are educated and hence behave differently. Neither do they have guts of creamy bureaucrats nor institutional support of any kind. A teacher can entertain you with a pale smile on hearing that this is the profession of nation builders, the cream of society and a noble profession. The next moment teacher will be branded as cancers in societal marrow, getting salary for no work, craving for power, equality in salary and status with the Class A government servants. The teacher was the consultant and conscience keeper of society till mid-century. One could identify him by his tattered clothes, emaciated pale face, soft voice and meek behavior. He was the guru. That guru, comparatively having a better outfit now, has metamorphosed to a present teacher.
Newborn to 3 Months: Babies cannot do much at this stage but their senses are eager for stimulation. Childrens educational toys with high-contrast patterns and bright colors will capture little ones attention. Babies can see color from birth but have difficulty distinguishing between similar tones. Educational toys designed with bright and distinctly different colors like red, green, black and white help babies differentiate shapes and patterns. Babies spend a good deal of time on their backs and sides at this age making colorful mobiles that play music a great educational toy choice. Babies are fascinated by their reflection in safety mirrors. They are not able to recognize themselves but the activity is great visual stimulation. Baby gyms are excellent educational toys because of the variety of stimulation they offer. Baby gyms have bright colors, a variety of attachments with different shapes, textures, and sounds. Most gyms now play music and have lights as well. These educational toy gyms require baby to pull, kick, or bat something to set off the stimulus helping to develop motor skills.