Research Essay Example | Topics and Well Written Essays - 750 words - 20

Research - Essay Example One of his discoveries, that high vacuums can be created by using cooled charcoal, was quite useful in the field of atomic physics. The purpose behind the creation of the Dewar flask was to serve as an aid while working with liquid gases. The Dewar flask is a container to stores substances like liquid air in the hot or cold form. There is vacuum in between the two flasks it contains, which serves to prevent a change in temperature by reducing the transfer of heat. The glass walls are not strong heat conductors and the transfer of heat by radiation is further reduced by lining the walls with a reflective metal like silver. The flask is seated on a spring with a container made of metal or plastic to absorb shock. The air between the container and the flask serves to insulate the setup. Sir James Dewar had not manufactured the vacuum flask for commercial use. Two German glass blowers in 1904 formed Thermos GmbH (Bellis 2015). The concept of vacuum flask has been used in the making of insulated bottles. The well-known name Thermos was not registered until 1906 when William B. Walker learned of the innovation of Paalen, Burger, and Aschenbrenner and gained the rights of exclusive manufacturing and marketing of thermoses in the US (Bryk 2015). The thermos insulated bottle became popular all across the US in no time. The picture of the glass-lined aluminum vacuum sealed bottle is shown as follows: The bottle shown in the picture was made in 1915 by the â€Å"American Thermos Bottle Co. of Norwich, Connecticut† (Bryk 2015). In 1959, the company was named King Seeley Thermos (KST). The bottles were particularly used by outdoor laborers like construction crews who needed to keep the drinks hot or cold for extended periods of time. The raw materials mainly used to make thermos include stainless steel or plastic and glass. Stainless steel or plastic is used to make the outer cup whereas glass is used to make the inner cup. Nowadays, thermoses

The Value of Art in Education Essay Example | Topics and Well Written Essays - 5250 words

The Value of Art in Education - Essay Example â€Å"Awareness of cultural heritage is seen as essential for understanding human experience and establishing a cultural identity† (Rusanen et al., 2011, p. 245). In Brindisi visual arts was used to help children express their thoughts and define their identity. In Barcelona children from different cultures were able to communicate and bridge their differences through visual narratives (Rusanen et al. 2011). As the author states, â€Å"Children receive cultural education based on the belief that its inclusion in the curriculum ensures social equity and that the arts can display and challenge social ideals and exemplify social constructions of the self as a performer within a cultural context â€Å" (Rusane et al., 2011, p. 245). The analysis of the projects in Portuguese revealed that artistic activities build vision; they increase motivation and enjoyment toward learning. Arts projects help students be actively involved in their own development (Rusanen et al., 2011). †Å"Meaningful activities should be understood to include children’s opinions, ideas and creative solutions that address the conditions of their lives† (Rusanen et al., 2011, p. 262). Educators are expose students to learning activities in the belief that this that enhances their social and cultural development, although as these examples show, the emphasis can vary from one location to another, depending on the values and issues that are judged to be relevant to local conditions. In India arts education has been recognized as formal from the 1798s. Indian people believe that arts education develops character, shapes critical thinking skills, and establishes aesthetic judgment (Kantawala, 2012). In Botswana the integration of arts... This paper approves Arts education is essential for the development of people’s philosophy; it enhances learners’ psychological, ethical, and spiritual growth. However, history shows that arts and cultural programs have always been treated as subjects of secondary importance. Over time the role of arts has been downgraded because of different barriers existing in education system. According to the paper learning music and dance strengthens students’ relationship development and establishes an environment of mutual understanding, care, and intimacy. Learning within a community allows individual students gain information about each other, develop interest in reciprocity, and build skills for team working and leadership. Students participating in learning music and dance demonstrated high motivation, This essay makes a conclusion that the NCLB Act has provided a much needed focus on the children who require support to achieve minimum standards in their educational experience, but there are some unintended consequences which arise when core competencies such as math and English are emphasized at the expense of arts subjects. Bogdan states, â€Å"Massive arts funding slashes in my own country were recently made by a federal government that believes support for the arts be left to the marketplace†. These recent developments in American education are currently causing students to lose out on opportunities of obtaining the kind of all-round education that is suitable and necessary for 21st Century life.