Prosthetic Limbs : Past, Present, and Future Essay -- Prosthetics Arti

Prosthetic Limbs: Past, Present, and Future Abstract: The purpose of my research paper is to discover how artificial limbs work in conjunction with the human body, which plastics are used in prosthetic limbs, and if there are any better possible plastics out there that can be used. The 1.9 million people in America who have lost limbs find it hard to pay for them, since they’re very expensive, so I looked into materials used, which are currently plastics such as polypropylene and carbon fibers. However, there are still some problems such as slow reaction time so manufacturers and laboratories are looking into alternate solutions such as carbon nanotubes and microchips. Research is expensive though, so I do not see the cost of prosthetic limbs going down anytime soon. With the cost of everything going up, the price of artificial limbs are going up as well, some even reaching $100,000 just for an arm or leg, preventing many people from getting one, even though it may be necessary to continue their job and normal life (New Life and Limbs). Imagine you were a soldier in the Iraq War. There are about six hundred soldiers who lose limbs from the war, which are costly to replace (War Fuels Prosthetics). After serving your country you would have to come home with your life completely changed, especially if you don’t have enough money to pay for a new limb. By looking at how artificial limbs work with the body and which plastics are used, I will try to see if there are new plastics which can reduce the cost and make artificial limbs available to more people around the world. Although there are only 600 soldiers from the Iraq war who have come home with lost limbs and needed to have them replaced, other ... ...t-is-polypropylene.htm>. Newton's Apple. "Prosthetic Limbs." Reach Out Michigan. Fall 2007. National Science Teachers Association. 27 July 2008 newton/prosthetic05.html>. Ossur Prosthetics. "Prosthetics by Ossur." Ossur. 14 Aug. 2007. Ossur. 28 July 2008 . Patel-Predd, Prachi. "Sensitive Synthetic Skin in the Works for Prosthetic Arms." Ieee Spectrum Online. 4 Jan. 2008. 29 July 2008 . Singer, Neal. "Prosthetic Limb to be Controlled by Microchip." Sandia. Sandia National Laboratories. 29 July 2008 . The Associated Press. "New life and limbs for Iraq war amputees." MSNBC Health News. 8 Mar. 2004. MSNBC. 27 July 2008 .

Greek and Roman Art Essay

Greek sculptures embody a lot of things and meanings. The way they create a certain object reflects to their psychological state that human beings are ‘the measure of things. ’ One of the known Greek artists during the ancient times is Praxiteles. He is the most famous ancient Greek artist because of his countless masterpieces such as the Aphrodite of Knidos and Nike Adjusting Her Sandal. Another well-known magnum opus that is crafted by Praxiteles is Hermes and the infant god Dionysus. Hermes and the infant god Dionysus is created by Praxiteles in a way that it is anchored to his ultimate decision of altering the rules and principles of the standard and ideal body proportions. It is the most famous example of an adult and child statuary. Praxiteles traces the Kephisodotos step by creating and sculpting a piece delineating a relationship between two figures (Praxiteles, 2008). This sculpture is found at Olympia where it has been commissioned for the said sanctuary. It conveys and expresses the secular world of the period (Hermes and the Infant Dionysus, n/d). Due to the artist’s manipulation and alteration of the standard body proportion, the adult on the artwork which is Hermes, is portrayed as tall and slender, standing in calm, tranquil and relax position. His figure encompasses various lines—from vertical, horizontal, curvilinear and spiral. Vertical lines are visible in his nose, neck and lower part of his leg. Horizontal lines are evident in his eyes and lips. Spiral lines are noticeable in his twisted and curly hair. Curvilinear dominates the whole figure—from Hermes’ face down to his feet. His phallus is not rendered. Nevertheless, a part of the male organ is still exposed and depicted. On the other hand, the baby figure, which is Dionysus, is illustrated in such a way that it is carried by Hermes in his left arm. The infant is just composed of curvilinear. He faces sideways making its physical features appear summarily represented. The cloth that wraps his lower body demonstrates horizontal lines, as well as the trunk of the tree which functions as support of the sculpture per se. On the contrary, Roman sculptures are said to be copied in Greek’s even though they are said to be purely Roman in origin and conception. Some statues are imitations and pastiche of more than one Greek original; some are combinations of Greek gods/athletes’ image and Roman head (Department of Greek Art and Roman, n/d). One of the ancient Roman sculptures which is said and believed that is copied from Greek’s is The Hope Dionysos. It embodies a retrospective Greco-Roman style (Hemingway, 2007). It is crafted during the late 1st century A. D. but during the 18th century it is restored by Vincenzo Pacetti (Vincenzo Pacetti. The Hope Dionysos: 1990. 247, 2006). The main figure in the sculpture is Dionysos. He is portrayed standing at ease and his left arm is resting on a female figure traditionally recognized as Spes, the embodiment and representation of hope. Dionysos wears a panther skin overlapping his chiton while a cloak envelops around his upper right arm and shoulder (Vincenzo Pacetti. The Hope Dionysos: 1990. 247, 2006). The statue is composed of various intricate lines—horizontal, vertical, curvilinear and spiral. The robes of the two figures possess a myriad of draperies which illustrate various vertical lines; however the cloth that is on Spes head shows curvatures. The two sculptures are depicted realistically with their complete body parts as compared to some statues that are lacking with head, arms or feet. Both sculptures possess two figures at the same time. If Hermes and the infant Dionysus showcases Dionysus as a baby, The Hope Dionysos illustrates the grown up one. The former is accompanied by a known Greek god Hermes, the latter is escorted with archaistic female figure, Spes. If Hermes is naked, Dionysos is very well-wrapped. The two statuaries imply dichotomies: the main focus (Hermes and Dionyos) and the out-of-focus (baby Dionysos and Spes), adult and baby, male and female. References Department of Greek and Roman Art. n. d. â€Å"Roman Copies of Greek Statues†. In Heilbrunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000. Retrieved January 15, 2009 from http://www. metmuseum. org/toah/hd/rogr/hd_rogr. htm. Hemingway, Colette. (July 2007). â€Å"Retrospective Styles in Greek and Roman Sculpture†. In Heilbrunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000. Retrieved January 15, 2009 from http://www. metmuseum. org/toah/hd/grsc/hd_grsc. htm. â€Å"Hermes with the Infant Dionysus. † n. d. The Museum of Antiquities Collection. Retrieved January 15, 2009 from http://www. usask. ca/antiquities/Collection/Hermes. html. Praxiteles. (2008). PEOPLE: Ancient Greece. Retrieved January 15, 2009 from http://www. ancientgreece. com/s/People/Praxiteles/. Vincenzo Pacetti: The Hope Dionysos-1990. 247. (October 2006). In Heilbrunn Timeline of Art History. New York: The Metropolitan Museum of Art, 2000. Retrieved January 15, 2009 from http://www. metmuseum. org/toah/hd/grsc/ho_1990. 247. htm . List of Figures Hermes and the infant Dionysus. n. d. Greek Art: Hermes and Dionysus of Praxiteles. Retrieved January 15, 2009 from http://www. mlahanas. de/Greeks/Arts/HermesPraxiteles. htm. The Hope Dionysos. (October 2006). Vincenzo Pacetti: The Ho

Article Analysis Demonstrating Group Process Using 12...

Intro The films we all love and cherish can also be used as tools to better understand individuals and groups within our society. Students studying various social sciences and relationships among members of the same society can turn to feature films as a way to further educate themselves on group dynamics from a perspective that might not be seen in an otherwise purely academic context. Such films provide students with interesting and entertaining case studies which with they can further understand and explore various theoretical concepts. This is exactly what is being highlighted in the article Demonstrating Group Process Using 12 Angry Men, written by Stephen A. Armstrong and Robert C. Berg. Utilizing elements from the movie, 12 Angry Men, the authors discuss the various elements of group dynamics. The film highlights group interaction in a stressful situation, in this case a jury room, and thus allows students to explore group dynamics through the interactions of the characters in the f ilm. The film highlights the dysfunction in a working group, allowing students to come up with their own theories and recommendations for increasing a more positive group dynamic that is needed to complete the task at hand. In the film are obvious conditions that fit the work of Sullivan (1953) and Bowlby (1983) in regards to interpersonal theory. 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