Learn More About Marie Curie and Radioactive Elements

Learn More About Marie Curie and Radioactive Elements Dr. Marie Curie is known to the world as the scientist who discovered radioactive metals such as radium and polonium. Curie was a Polish physicist and chemist who lived between 1867-1934. She was  born Maria Sklodowski in Warsaw, Poland, the youngest of five children. When she was born, Poland was controlled by Russia. Her parents were teachers, and she learned at an early age the importance of education. Her mother died when she was young, and when her father was caught teaching Polish - which had been made illegal under the Russian government. Manya, as she was called, and her sisters had to get jobs. After a couple of failed jobs, Manya became a tutor to a family in the countryside outside Warsaw. She enjoyed her time there, and was able to send her father money to help support him, and also send some money to her sister Bronya in Paris who was studying medicine. Bronya eventually married another medical student and they set up practice in Paris. The couple invited Manya to live with them and study at the Sorbonne - a famous Parisian University. In order to fit in better at the school, Manya changed her name to the French Marie. Marie studied physics and mathematics and quickly received her masters degrees in both subjects. She remained in Paris after graduation and started research on magnetism. For the research she wanted to do, she needed more space than her small lab. A friend introduced her to another young scientist, Pierre Curie, who had some extra room. Not only did Marie move her equipment into his lab, Marie and Pierre fell in love and married. Radioactive Elements Together with her husband, Curie discovered two new elements (radium and polonium, two radioactive elements that they extracted chemically from pitchblende ore) and studied the x-rays they emitted. She found that the harmful properties of x-rays were able to kill tumors. By the end of World War I, Marie Curie was probably the most famous woman in the world. She had made a conscious decision, however, not to patent methods of processing radium or its medical applications. Her co-discovery with her husband Pierre of the radioactive elements radium and polonium represents one of the best-known stories in modern science for which they were recognized in 1901 with the Nobel Prize in Physics. In 1911, Marie Curie was honored with a second Nobel prize, this time in chemistry, to honor her for successfully isolating pure radium and determining radiums atomic weight. As a child, Marie Curie amazed people with her great memory. She learned to read when she was only four years old. Her father was a professor of science and the instruments that he kept in a glass case fascinated Marie. She dreamed of becoming a scientist, but that would not be easy. Her family became very poor, and at the age of 18, Marie became a governess. She helped pay for her sister to study in Paris. Later, her sister helped Marie with her education. In 1891, Marie attended the Sorbonne University in Paris where she met and married Pierre Curie, a well-known physicist. After the sudden accidental death of Pierre Curie, Marie Curie managed to raise her two small daughters (Irà ¨ne, who was herself awarded a Nobel Prize in Chemistry in 1935, and Eve who became an accomplished author) and continue an active career in experimental radioactivity measurements. Marie Curie contributed greatly to our understanding of radioactivity and the effects of  x-rays. She received two Nobel prizes for her brilliant work, but died of leukemia, caused by her repeated exposure to radioactive material.

M2A1 - Q3 Essay Example | Topics and Well Written Essays - 250 words

M2A1 - Q3 - Essay Example In the case of inflation, an organization can undergo a huge loss since the manufacturing cost will be affected. In the same case, the government issues out regulatory restriction against a certain product. If the government burns a trade of a certain product, it means that the organization will have to dispose of and undergo loss. Regional conflict also will affect the market status in that; individual will not be willing to shop from a certain communities businesses (Newton, 2011). Organization culture affects the progress of the company. Organization whose employees work under different culture collapses latter. In order to manage culture, a leader must make the culture a priority. This can be achieved by uniting, refocusing and regrouping the workers to have a team and winning environment. The leader should also change the negative energy to a positive one. This can be done by utilizing the challenges at hand and complains to generate new ideas, path of success and innovation (Newton, 2011). The leaders should also meet with the company and share the vision and fiscal status to ensure that everything is handled before it becomes a challenge. Leaders should share a positive vision to employees and ensure that each person in the organization understands and rally around a vision. This will ensure employee motivation since they will fell as if they are attached and also are part of the company and be motivated to work and achieve the visions (Gordon, 2014). In conclusion, the continuity and progress of the organization is in the hands of the leaders. Leaders should be conversant with the leadership strategies, which can bring about organizational motivations. Despite the variables available, leaders should be able to use the leadership strategies to ensure organization’s progress and

Gun Control In America Essay Example | Topics and Well Written Essays - 1000 words

Gun Control In America - Essay Example However, it has also been viewed that most of the people living within the country prefers keeping gun as a safety measure to avoid any such critical situations, which directly relates with the life of people (World Health Organization, 2002). Thesis Statement The main objective of this essay is to provide a valid argument regarding Gun control in America. This paper intends to describe about the implementation of gun policies within America to control the rising crime resulting from possession of gun by the common people within the country. Additionally, the paper also contains supporting statement made by many critics. Discussion In-favor The topic of gun control has been in debate amongst many critics, as it has been viewed that the crime rate resulting from possession of gun has risen to a great extent. The violence resulting from possession of firearms in the United States is considerably high, as compare to other developed countries. However, the recent increase in the crime ra te has force the government to implement new laws that restricts certain categories of individuals from possessing firearm as a safety measure. ... rior to the mass shooting on August 5, 2012, a 40 years old individual who worked with the U.S army was found entering a Sikh temple and committed a mass shooting resulting in death of 6 people and 3 critically wounded. Furthermore, it has been mentioned that one of the individual whom the offender allegedly shot several times was a police officer. Later, it was found that Wade Page the offender legally bought the guns from a registered ammunition shop located in West Allis, Wisconsin through cash payment (Krouse, 2012). Against Although, it has been observed that there exist many situations, where the use of gun has been illegally used causing harm to the general public. But in a country were crime rates are increasing at a rapid speed, it has been ascertained that people prefer keeping gun as a safety measure as it helps them to be secured in situations such as robbery, theft and rape among others. For instance, according to a survey conducted in 1993 amid 4977 families showed that 0.5% of the total number of people used gun for defensing themselves. They also stated that using gun was needed; otherwise they would have been killed by the offender. Additionally, on the basis of another survey being conducted in the year 1994, it was revealed that the people generally use gun to frighten away invaders who breaks into their houses almost 498,000 times per year. Furthermore, it has been estimated that in the year 2009, the country had a total population of 307 million people out of which almost 300 million of the civilians owned firearms within the country (Peaceful Americans against War, Violence and Gun Proliferation PAC, 2010). The aforementioned facts and figures contradict the control of arms and ammunition by the common people within U.S.A. Three to Four Pieces of

George Boole: The Genius Essay -- essays research papers

George Boole: The Genius   Ã‚  Ã‚  Ã‚  Ã‚  George Boole was a British mathematician, and he is known as the inventor of Boolean Algebra. His theories combined the concepts of logic and mathematics, and hence he is known as the father of mathematical logic. This combination of mathematics and logic came to be known as Boolean algebra, and is the basis of digital electronic design, which is used in fields ranging from telephone switching to computer engineering. Because of the utilization of the concepts of Boolean algebra in electronics and computers, George Boole is regarded by many as the father of computing also.   Ã‚  Ã‚  Ã‚  Ã‚  George was born on 2nd November, 1815 in Lincoln, England. His father, John Boole was a shoemaker, and his mother a housewife. John Boole proved to be a great influence in George’s life due to his keen interest in science and mathematics. He shared his passion with his son, and started teaching George at an early age. By the time he was seven, George was deeply in love with mathematics, and used to be lost in the world of mathematics. He acquired a reputation as a child genius, and one day, he was found spelling difficult words for people’s amusement after going missing from school.   Ã‚  Ã‚  Ã‚  Ã‚  George was from a poor family, and his parents could not afford to pay fees for grammar school, so the child genius ended up going to a small school called Mr. Bainbridge’s Academy. He made fast progress in studies, and was soon assisting teachers in teaching and grading. His exploits weren’t limited to just math and science either; he loved to read and learn, and was very well read in a lot of subjects. His father John also introduced him to literature and Latin, but George soon learned all his father had to offer. After that, John found George a tutor – bookseller William Brooke. Mr. Brooke turned out to be a great asset for George; he gave George access to all the books in his store, and also taught him. Mr. Brooke and George ended up being lifelong friends. However, just knowing Latin was not enough for George. He added Greek to his repertoire, and this was completely self-taught. He also went on to study French, German, and Italian. In Ma y 1930, the local paper published George’s translation of Greek poet Meleager’s work, and this got George his reputation as a boy genius.   Ã‚  &n... .... His wife Mary’s approach to trying to cure him was also one of the primary reasons of his death. She believed in the theory that the cause would also be the cure, so instead of keeping him warm, she regularly drenched him with water in bed, leading to severe complications. Ironically, Mary said she did it because it seemed ‘logical’ to her!   Ã‚  Ã‚  Ã‚  Ã‚  George’s works considered purely mathematical until the year 1937. In 1937, Claude Shannon, a graduate student at MIT, discovered the connection between electronic circuits and Boolean algebra. This connection is essential to the operation of computers and modern electronics circuits. Computers and circuits utilize Boolean algebra for all their decision making calculations, and without it they would be quite useless.   Ã‚  Ã‚  Ã‚  Ã‚  George Boole was well ahead of his time with his mathematical theories and the combination of mathematics and logic. His theories are in use today, a century after his time, and will be in use as the basis of one of the most important machines man has ever built. He was a true genius, and his work has gotten him the deserved title of the father of mathematical logic. George Boole: The Genius Essay -- essays research papers George Boole: The Genius   Ã‚  Ã‚  Ã‚  Ã‚  George Boole was a British mathematician, and he is known as the inventor of Boolean Algebra. His theories combined the concepts of logic and mathematics, and hence he is known as the father of mathematical logic. This combination of mathematics and logic came to be known as Boolean algebra, and is the basis of digital electronic design, which is used in fields ranging from telephone switching to computer engineering. Because of the utilization of the concepts of Boolean algebra in electronics and computers, George Boole is regarded by many as the father of computing also.   Ã‚  Ã‚  Ã‚  Ã‚  George was born on 2nd November, 1815 in Lincoln, England. His father, John Boole was a shoemaker, and his mother a housewife. John Boole proved to be a great influence in George’s life due to his keen interest in science and mathematics. He shared his passion with his son, and started teaching George at an early age. By the time he was seven, George was deeply in love with mathematics, and used to be lost in the world of mathematics. He acquired a reputation as a child genius, and one day, he was found spelling difficult words for people’s amusement after going missing from school.   Ã‚  Ã‚  Ã‚  Ã‚  George was from a poor family, and his parents could not afford to pay fees for grammar school, so the child genius ended up going to a small school called Mr. Bainbridge’s Academy. He made fast progress in studies, and was soon assisting teachers in teaching and grading. His exploits weren’t limited to just math and science either; he loved to read and learn, and was very well read in a lot of subjects. His father John also introduced him to literature and Latin, but George soon learned all his father had to offer. After that, John found George a tutor – bookseller William Brooke. Mr. Brooke turned out to be a great asset for George; he gave George access to all the books in his store, and also taught him. Mr. Brooke and George ended up being lifelong friends. However, just knowing Latin was not enough for George. He added Greek to his repertoire, and this was completely self-taught. He also went on to study French, German, and Italian. In Ma y 1930, the local paper published George’s translation of Greek poet Meleager’s work, and this got George his reputation as a boy genius.   Ã‚  &n... .... His wife Mary’s approach to trying to cure him was also one of the primary reasons of his death. She believed in the theory that the cause would also be the cure, so instead of keeping him warm, she regularly drenched him with water in bed, leading to severe complications. Ironically, Mary said she did it because it seemed ‘logical’ to her!   Ã‚  Ã‚  Ã‚  Ã‚  George’s works considered purely mathematical until the year 1937. In 1937, Claude Shannon, a graduate student at MIT, discovered the connection between electronic circuits and Boolean algebra. This connection is essential to the operation of computers and modern electronics circuits. Computers and circuits utilize Boolean algebra for all their decision making calculations, and without it they would be quite useless.   Ã‚  Ã‚  Ã‚  Ã‚  George Boole was well ahead of his time with his mathematical theories and the combination of mathematics and logic. His theories are in use today, a century after his time, and will be in use as the basis of one of the most important machines man has ever built. He was a true genius, and his work has gotten him the deserved title of the father of mathematical logic.

Introduction to corporate social responsibility Essay

Corporate social responsibility is a figure of business self-regulation incorporated into a business model. CSR policy functions as a built-in, self-regulating mechanism whereby a business monitors and ensures its active compliance with the spirit of the law, ethical standards, and international norms. CSR is a process with the aim to embrace responsibility for the company’s actions and encourage a positive impact through its activities on the environment, consumers, employees, communities, stakeholders and all other members of the public sphere who may also be considered as stakeholders. There are four main parts to CSR fig 1: |Economic |Responsibility to earn profit for owners | |Legal |Responsibility to comply with the law | |Ethical |Not acting just for profit, but doing what is right, just and fair | |Voluntary and philanthropic |Promoting human welfare and goodwill | | |Being a good corporate citizen contributing to the community and quality of life | There are many substitute definitions of CSR. Examples of two are firstly An responsibility, beyond that mandatory by the law, for a business to follow long term objectives that are excellent for society. Secondly concerning how a business administer its business to create an overall constructive impact on the general public So in a brief social responsibly corporate involves †¢ Conducting business in an ethical way and in the interests of the wider community †¢ Responding positively to emerging societal priorities and expectations †¢ A compliance to take action ahead of regulatory confrontation †¢ Balancing shareholder interests against the interests of  the wider community †¢ Being a good citizen in the area

Distribution Channels and Consumer Adoption - 689 Words

3. THEORY AND LITERATURE REVIEW This chapter will present the theoretical framework used in this master ´s thesis. This chapter gives an overview of theories explaining distribution channels and consumer adoption. Ending with a literature review in financial service research, a research area closely related to digital receipts. 3.1. Distribution channels A distribution chain also known as value chain can be described as a set of interdependent organizations or businesses involved in making a product or service available, from producer to end customer (Kotler, et al., 2012). The function of the value chain is to contribute with cost- efficient activities and simplify the purchase process (Coughlan et al., 2006). But if the chain consists of many actors the ones far back could have limited or no contact with customers resulting in lost of valuable information (REF). According to Bucklin (1966) it’s important to understand customer preferences when designing the value chain. This because the value chain will only be viable over time if customers feel that it provides a form of value. This value is created if the actors of the chain provide activities that result in cost- efficiency and/ or better service. There are five service performance areas where actors can create this value: unit size, availability, waiting time, variation in production and information (REF). When designing value chains one must take into account three important dimensions. These are: 1) the lengthShow MoreRelatedThe Digital Revolution Is Responsible For The Largest Societal Shift Essay1671 Words   |  7 Pagesstrategy. Each of these themes is discussed below. Context The digital revolution is responsible for the largest societal shift in history- the rapid rate of consumer uptake in the use of internet as a new technology beats the adoption of other technological developments significantly. 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Deviance Deviance And Deviant Behavior - 1551 Words

Deviance is defined as any conducts that violate social norm, and those engage in deviant behavior are referred to as deviants. We must understand that deviance differs from crime. Those who engage in deviant behavior does not always violate a law, however committing a crime always involves violating a law. Crime can only be behavioral in nature, while deviance may involve unacceptable behaviors, and eccentric beliefs and mind-set. Deviance can be minor in nature (such as a traffic violation) to something major, such as murder. Deviance does not have to be a real behavior for it to be labeled deviant; however the label itself is what makes an individual deviant. People who are rich and hold more power have a great opportunity for labeling others as deviants. There are many behaviors today which are considered deviant, some of the more common ones include: stealing, cross-dressing and excessive drinking. Most crimes are measured as deviant because they go against informal norms in addition to breaking the law as a formal norm. Just recently the news media aired a story about a Georgia mother, Rachel Lehnardt, who was arrested for allegedly hosting a â€Å"naked Twister† party for her teenage daughter and her friends. Lehnardt was also accused of having sexual intercourse with two of the teenage boys, ages 16 and 18. During an Alcoholics Anonymous group session Lehnardt told her sponsor that she was â€Å"a sexual deviant and addicted to pornography (ABC13.com, para. 7).†Show MoreRelatedSocial Deviance : A Sociological Perspective On Deviant And Criminal Behavior Within Sociology1160 Words   |  5 Pageshere are my thoughts! Social deviance is the study of the violation of cultural norms in either formal or informal contexts. Social deviance is a phenomenon that has existed in all societies with norms. 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