Explore the Hidden Infrared Universe

Explore the Hidden Infrared Universe To Do Astronomy, Astronomers Need Light Most people learn astronomy by looking at things that give off light they can see. That includes stars, planets, nebulae, and galaxies. The light we SEE is called visible light (since it is visible to our eyes). Astronomers usually refer to it as optical wavelengths of light. Beyond the Visible There are, of course, other wavelengths of light besides visible light. To get a complete view of an object or event in the universe, astronomers want to detect as many different kinds of light as possible. Today there are branches of astronomy known best for the light they study: gamma-ray, x-ray, radio, microwave, ultraviolet, and infrared.   Diving into the Infrared Universe Infrared light is radiation given off by things that are warm. It is sometimes called heat energy. Everything in the universe radiates at least some portion of its light in the infrared - from chilly comets and icy moons to clouds of gas and dust in the galaxies. Most infrared light from objects in space is absorbed by Earths atmosphere, so astronomers are used to putting infrared detectors in space. Two of the best-known recent infrared observatories are the Herschel observatory and the Spitzer Space Telescope. Hubble Space Telescope has infrared-sensitive instruments and cameras, as well. Some high-altitude observatories such as Gemini Observatory  and the European Southern Observatory can be equipped with infrared detectors; this is because they are above much of Earths atmosphere and can capture some infrared light from distant celestial objects. Whats Out there Giving Off Infrared Light? Infrared astronomy helps observers peer into regions of space that would be invisible to us at visible (or other) wavelengths. For example, clouds of gas and dust where stars are born are very opaque (very thick and tough to see into). These would be places like the Orion Nebula  where stars are being born even as we read this. They also exist in places like the Horsehead Nebula. The stars inside (or near) these clouds heat the up their surroundings, and infrared detectors can see those stars. In other words, the infrared radiation they give off travels through the clouds and our detectors can thus see into places of starbirth.   What other objects are visible in the infrared? Exoplanets (worlds around other stars), brown dwarfs (objects too hot to be planets but too cool to be stars), dust disks around distant stars and planets, heated disks around black holes, and many other objects are visible in infrared wavelengths of light. By studying their infrared signals, astronomers can deduce a great deal of information about the objects emitting them, including their temperatures, velocities, and chemical compositions.   Infrared Exploration of a Turbulent and Troubled Nebula As an example of the power of infrared astronomy, consider the Eta Carina nebula. Its shown here in an infrared view from the Spitzer Space Telescope. The star at the heart of the nebula is called Eta Carinae- a massively supergiant star that will eventually blow up as a supernova. It is tremendously hot, and about 100 times the mass of the Sun. It washes its surrounding area of space with immense amounts of radiation, which sets nearby clouds of gas and dust to glowing in the infrared. The strongest radiation, the ultraviolet (UV), is actually tearing the clouds of gas and dust apart in a process called photodissociation. The result is a sculptured cavern in the cloud, and the loss of material to make new stars. In this image, the cavern is glowing in the infrared, which allows us to see the details of the clouds that are left.   These are just a few of the objects and events in the universe that can be explored with infrared-sensitive instruments, giving us new insights into the ongoing evolution of our cosmos.

Assessment of the Dell Multinational Company

Assessment of the Dell Multinational Company Dell Inc. is a multinational company that deals with the production of products and services for computers ad is rated among the largest computer manufacturers in the world. It was established by Michael Dell in November 1984 in Austin Texas. The Turbo PC was first produced in 1985 after Michael Dell dropped out of school in order to concentrate in his business. His belief was that by selling the computer products directly he would have a better understanding on the needs of his customers. The company changed its name to Dell Computer Corporation in 1988 and that marked the beginning of its worldwide expansion. The headquarters of Dell are located in Round Rock in Texas. As of 2010 it currently employs over sixteen thousand people. Dell Company has a global market share of more than 15%. The direct model has been the main core success strategy for Dell Company. Company name: Dell Computer Corporation Mission statement Dell’s mission is to be the leading and the most successfu l computer company in the world at delivering the best customer experience in the world that we serve. This is achieved through its products that target different people such as the consumer class and the corporate class. Products, goods and services Among the products produced by Dell Computer Company include: Adamo Laptops. These range from high end product laptops and come fitted with extra luxury. Power-connect- a high end switch product by Dell Company for high performance in switching. It is mainly used by middle enterprises. N series- this is a computer that is shipped without having the installation of Microsoft windows. Instead, open source operating system or the Linux is installed. Precision- this is a workstation that is rated very high by the dell computer. It is mainly targeted by graphic professions such as engineering, animation, imaging and product design. EMC/Dell- this is a Dell and EMC product that is mainly created for backup. It consolidates the storage and the reby creates a seamless automated storage. This goes a long way in catering for data storage. Studio- this comprises of a given range of desktops and also laptops and include studio 15, studio 17and also studio hybrid. Vostro- this is a range of affordable computers from the Dell Company though the support hours from the technicians is very little. Power-vault- these are products from Dell that are usually have storages and networks that are directly connected. However these products are in partnership with EMC Corporation. Competitors In the information and technology industry, there is a lot of competition. Among the rated competitors of Dell Company include the Hewlett Packard and the IBM. Others include Apple, Toshiba, Acer, Gateway, Sony, Lenovo, Samsung, Asus and Sun Microsystems. This is a generalized category of competitors as the Dell Company is a manufacture of different kinds of products. Other products that Dell produces include peripherals such as LCD televisions, USB d rives, monitors and also projectors. Lenovo, Acer, Apple, Toshiba, Hewlett Packard and the IBM are in competition with Dell Company in the production of computers both on laptops and desktops though with differing aspects. This is due to different needs of the customers. Sony and Samsung are in competition with Dell in the production of LCD televisions, USB drives, monitors and also projectors

How does the history of India's textile industries reflect the growth Term Paper

How does the history of India's textile industries reflect the growth and decline of colonialism - Term Paper Example This has also comprised of a significant component of trade in Portugal.1 Traditionally, the textile industry in India is the only industry that generated huge employment in the country after agriculture. Textile industry is the second largest income and employment generating sector in India. Textile industry occupies a special position in India, and accounts for over 14 percent of total production. This approximates to 30 percent total exports. The industry provides one of the basic needs in the country, hence enhance maintenance of sustainable growth and improve the quality of life. The industry holds a unique position as a self reliant industry, ranging from raw material production to delivery of finished products, accompanied by the addition of value at every stage. This paper evaluates how the textile industry in India reflects the growth and decline of colonialism.1 History of Textile Industry India’s textile industry remains remarkable worldwide for production and suppl y of textile goods. The industry was virtually decayed during the colonial period. Nevertheless, the modern textile industry dates back at the beginning of 19th century after the establishment of the first textile mill in Calcutta in 1818. The textile industry, however, made a real beginning in 1850s in Bombay, with the first textile mill established in 1854 by the Parsi cotton merchant who engaged in internal and overseas trade afterwards. Indeed, vast majority of early mills were by handiwork merchants who engaged in the cloth trade in markets at home and in African2 markets. The cotton mill in Ahmedabad was established in 1871 and emerged as a rival centre to the one in Bombay. The Gujarati trading class facilitated the development of the cotton mills at Ahmedabad. The industry has since then expanded rapidly, especially during the second half of 19th century that saw the establishment of 178 cotton mills. However, in 1900, the textile industry was in a very bad state due to incr eased due to famine leading to mot mills in Bombay and Ahmedabad closed for long periods. By 1945, the mills had employed more than 5.10 lahk workers. The industry is described as Swadesh as it was developed from the indigenous entrepreneurship as well as capital in the pre-independence era when the Swedish movement stimulated the demand for the Indian textile. The country’s partition during independence affected the textile industry when the Indian union gotten 409 out of available 423 mills in undivided India. This saw 14 mills and 22 percent of the land going to Pakistan. Also, some mills were closed down making most Indian mills import their cotton from Pakistan and other countries after independence. After independence, the country made more rapid strides under the plans. This saw doubling of the spindles from 11 to 22 million between 1951 and 1982. This further increased during 1989-90. The colonialists used textile industry for their own personal gain where they exploi ted the weavers and created a cultural hotch-potch. This affected native cultures where the indigenous production moulds and design patterns underwent major modifications at the onslaught of the alien culture. This sometimes encouraged virtual extinction of some valuable native crafts. The colonial history of the textile industry in India can be split into two phases; 17th and 18th centuries. During this period, Indian muslins and calicoes enhanced commerce in the European East India Companies. The second phase of

Pharmaceutical microbiology Essay Example | Topics and Well Written Essays - 1000 words

Pharmaceutical microbiology - Essay Example Development and maintenance of a sterile compounding are complete with sterilized equipment and supplies. Aseptic technique is a means of manipulating sterile products without contaminating them. Proper use of a LAH and strict aseptic technique are the most important factors in preventing the contamination of sterile products Contamination is a basic in introduction of antibiotic resulting into need for aseptic techniques .the techniques is designed to prevent access of the drug by the unnecessary substances and this is a risk associated with contamination which may include; The air, air that is not sterilize may contain bacteria e.g. micrococci, bacillus and clostridium. And these are pathogenic and may access the drug during production; the staff involved may also risk the drug by introducing bacteria especially which may eject droplets into the air compromising the properties of the drug. The skin may be contaminated especially most of the hand s by handling non sterilize product which are not sterilize and machines and these may then transfer the pathogen to the drug during preparation risking its purity. The clothing used during aseptic preparation should be sterilized less they risk the status of the products they produce, before starting the production, the laundry should be done to eliminate the dust that may be carried into the preparation room and the sleeve should be rolled above the elbow so that they do not pick any foreign bodies from surfaces which are not clean. Before taking any procedure in preparation in the production room through aseptic, the surfaces of the working benches should be sterilized using a bactericidal solution to minimize the risk that the drug may be exposed to. Sealing reduces the risk of the drug to contamination, used of fused ampules is much preferred which are the sterilized after sealing ,the product is then expected to remain

Dialect and Dramatic Monologue of Curtain of Green :: Curtain of Green Essays

Dialect and Dramatic Monologue of Curtain of Green Eudora Welty is not merely a brilliant writer, she is a brilliant and gifted storyteller. A product of the South's rich oral tradition, Welty considers the richness of local speech to be one of the greatest gifts that her heritage has to offer (Vande Kieft 9). Southern speech is characterized by talking, listening, and remembering. Welty, a great listener, based many of her stories on bits of dialogue overheard in her everyday life. However, Welty makes the most of the southern propensity for talking. Her stories are rich in dialect and often take the form of dramatic monologues, as in "Why I live at the P.O." and "The Petrified Man." Southern speech is primarily narrative and frequently takes the form of tall tales, folk tales, and local legends. This holds true in Welty's writing, in which one will not find mere conversation, but the telling of a story. Often with Welty, the story is not told through the narrator, but rather by the characters (53). It is through this structure that the dramatic monologue appears. In Welty's "Why I Live at the P.O.," the postmistress of China Grove, referred to only as "Sister," is systematically alienated from her family following a fight with her sister, Stella-Rondo, whom she accuses of stealing and running off with her boyfriend, Mr. Whitaker. As the two sisters compete for the support of the family, one by one the family members take up sides with Stella-Rondo, and Sister states her case to the reader. "Stella-Rondo hadn't done a thing but turn her against me from upstairs while I stood there helpless over the hot stove," rants Sister. "So that made Mama, Papa-Daddy, and the baby all on Stella-Rondo's side (Welty 102). Welty, a true master of language, never received any form of formal education in the field of writing. She was educated through her surroundings, through listening and remembering. Welty's use of the Southern vernacular is an important element in every story she writes. One also might notice that it is nearly impossible to read one of Eudora Welty's stories without hearing it as well. Welty's written Southern speech is highly characteristic of how the language is actually spoken. It is the qualities of the spoken word that show through in Welty's writing and give it its poetic richness. Although Welty makes frequent use of dialectical spelling and pronunciation, it is through rhythm, idioms, and specified vocabulary that she is able to bring southern speech alive (Brooks 416).

Dialect and Dramatic Monologue of Curtain of Green :: Curtain of Green Essays

Dialect and Dramatic Monologue of Curtain of Green Eudora Welty is not merely a brilliant writer, she is a brilliant and gifted storyteller. A product of the South's rich oral tradition, Welty considers the richness of local speech to be one of the greatest gifts that her heritage has to offer (Vande Kieft 9). Southern speech is characterized by talking, listening, and remembering. Welty, a great listener, based many of her stories on bits of dialogue overheard in her everyday life. However, Welty makes the most of the southern propensity for talking. Her stories are rich in dialect and often take the form of dramatic monologues, as in "Why I live at the P.O." and "The Petrified Man." Southern speech is primarily narrative and frequently takes the form of tall tales, folk tales, and local legends. This holds true in Welty's writing, in which one will not find mere conversation, but the telling of a story. Often with Welty, the story is not told through the narrator, but rather by the characters (53). It is through this structure that the dramatic monologue appears. In Welty's "Why I Live at the P.O.," the postmistress of China Grove, referred to only as "Sister," is systematically alienated from her family following a fight with her sister, Stella-Rondo, whom she accuses of stealing and running off with her boyfriend, Mr. Whitaker. As the two sisters compete for the support of the family, one by one the family members take up sides with Stella-Rondo, and Sister states her case to the reader. "Stella-Rondo hadn't done a thing but turn her against me from upstairs while I stood there helpless over the hot stove," rants Sister. "So that made Mama, Papa-Daddy, and the baby all on Stella-Rondo's side (Welty 102). Welty, a true master of language, never received any form of formal education in the field of writing. She was educated through her surroundings, through listening and remembering. Welty's use of the Southern vernacular is an important element in every story she writes. One also might notice that it is nearly impossible to read one of Eudora Welty's stories without hearing it as well. Welty's written Southern speech is highly characteristic of how the language is actually spoken. It is the qualities of the spoken word that show through in Welty's writing and give it its poetic richness. Although Welty makes frequent use of dialectical spelling and pronunciation, it is through rhythm, idioms, and specified vocabulary that she is able to bring southern speech alive (Brooks 416).

Dialect and Dramatic Monologue of Curtain of Green :: Curtain of Green Essays

Dialect and Dramatic Monologue of Curtain of Green Eudora Welty is not merely a brilliant writer, she is a brilliant and gifted storyteller. A product of the South's rich oral tradition, Welty considers the richness of local speech to be one of the greatest gifts that her heritage has to offer (Vande Kieft 9). Southern speech is characterized by talking, listening, and remembering. Welty, a great listener, based many of her stories on bits of dialogue overheard in her everyday life. However, Welty makes the most of the southern propensity for talking. Her stories are rich in dialect and often take the form of dramatic monologues, as in "Why I live at the P.O." and "The Petrified Man." Southern speech is primarily narrative and frequently takes the form of tall tales, folk tales, and local legends. This holds true in Welty's writing, in which one will not find mere conversation, but the telling of a story. Often with Welty, the story is not told through the narrator, but rather by the characters (53). It is through this structure that the dramatic monologue appears. In Welty's "Why I Live at the P.O.," the postmistress of China Grove, referred to only as "Sister," is systematically alienated from her family following a fight with her sister, Stella-Rondo, whom she accuses of stealing and running off with her boyfriend, Mr. Whitaker. As the two sisters compete for the support of the family, one by one the family members take up sides with Stella-Rondo, and Sister states her case to the reader. "Stella-Rondo hadn't done a thing but turn her against me from upstairs while I stood there helpless over the hot stove," rants Sister. "So that made Mama, Papa-Daddy, and the baby all on Stella-Rondo's side (Welty 102). Welty, a true master of language, never received any form of formal education in the field of writing. She was educated through her surroundings, through listening and remembering. Welty's use of the Southern vernacular is an important element in every story she writes. One also might notice that it is nearly impossible to read one of Eudora Welty's stories without hearing it as well. Welty's written Southern speech is highly characteristic of how the language is actually spoken. It is the qualities of the spoken word that show through in Welty's writing and give it its poetic richness. Although Welty makes frequent use of dialectical spelling and pronunciation, it is through rhythm, idioms, and specified vocabulary that she is able to bring southern speech alive (Brooks 416).