Polymethylmethacrylate‚ or PMMA for short‚ is a polymer consisting of the monomer methyl methacrylate that has been around since the 1930s1. PMMA is a polymer that has a high impact strength‚ is scratch and shatter resistant‚ and is relatively lightweight1. Because PMMA can also be formed into a transparent thermoplastic and has a glass transitions temperature of 130oC‚ this polymer served as a glass substitute in its early uses1. Other beneficial characteristics of Polymethylmethacrylate include
Premium Orthopedic surgery Osseous tissue Collagen
showed an example of direct characterization describing not only Lucy but Lois as well. **Need more help with this paragraph** don’t know what to do here really-- First body paragraph
Premium Family Mother Father
and Maya The rise of human civilizations did not occur in one place‚ but rather it happened in various locations throughout the world in various time eras. All civilizations have its own characteristics and life span according to their environment such as the geographic location‚ the weather or natural resources. Some civilizations‚ such as the ancient Egypt‚ developed and kept on growing‚ and the historic records still exist in present days‚ while some civilizations like the ancient Maya just
Premium Civilization Ancient Egypt Mesopotamia
Always to Remember: The Vision of Maya Ying Lin Is 21 too young? That is the question you may ask yourself before reading the story “Always to Remember:The Vision of Maya Ying Lin”. “Always to Remember” is referring to the Vietnam War. The Vietnam War is a major historical moment in our nation and the author does not want anyone to forget about it. As for “The Vision of Maya Ying Lin” it is to understand how and why Maya came up with the design that she did for the memorial. She went to the actual
Premium Vietnam War Ageing Old age
In Maya Angelou’s “Champion of the World” a boxing match affects how African- Americans will be treated in society. The story tells of an important fight between a white man vs. a black man and what the outcome means to an African- American community. To Angelou’s community‚ the fight is much more than winning or losing a boxing match. It is hope that maybe blacks are as good‚ as or even better than the whites. When Angelou’s race gets to prove that they are humans and should be treated equal‚ they
Premium Black people Race White people
Define (and give an example) Freud’s three levels of consciousness and his three components of personality. Freud’s three levels of consciousness 1) Consciousness -Includes everything that we are aware of particular moment. -Present perceptions (memories‚ thoughts‚ fantasies‚ feelings) everything about right now. -Ever-shifting stream of thoughts can change dramatically from one moment to the next‚ but the experience of it seems smooth and effortless. Example: While writing essay for assignments
Free Mind Psychology Consciousness
There are three primary sociological perspectives; Functionalism‚ Conflict‚ and Symbolic-Interactionism. Briefly summarize each theoretical perspective in your own words. Then analyze Infertility using each of the three perspectives Sociologists analyze the social phenomena at three different perspectives. The three primary perspectives include; functionalist perspective‚ conflict perspective and symbolic interactionism perspective. According to Functionalism each aspect of the society is interdependent
Premium Sociology Family Gender
In the 1920s‚ the introduction of electric lighting made dancing late into the night easier. It also influenced that the clothing of the Victorian era was over‚ and that the new style was quite free and flowing. Dances were created due to contests where people made up their own dances. Most dances were invented in the 1920. The Charleston was one of the first. It was popular from its feature on two Broadway shows in 1922. Next‚ came the Black Bottom‚ which was the most popular from 1926 to 1927.
Premium Jazz Roaring Twenties Dance
The influence that significant others have on an individual’s development. Thematic analysis. Abstract The aim of this qualitative study was to explore whether significant people in human’s life can influence an individual’s development. The assumption that early relationships with our main careers play central part in our later development derives from Bowlby’s attachment theory and his ideas of internal working model. Data for the study was collected through the use of semi-structured
Premium Attachment theory Developmental psychology Interpersonal relationship
In Maya Angelou’s I Know Why the Caged Bird Sings‚ there are multiple role models who help Maya through her hardships. Momma‚ Mrs. Flowers and Miss. Kirwin impacted her by their actions. Momma remains tranquil and patient during the difficult times of being downgraded because of their race. Mrs. Flowers helps Maya out of her silence‚ giving Maya another opportunity to be herself again. Maya’s favorite teacher‚ Miss. Kirwin respects her without judgements. These three women allow Maya to view her
Premium Maya Angelou I Know Why the Caged Bird Sings Singin' and Swingin' and Gettin' Merry Like Christmas