Wednesday, December 11, 2019

Current Situation Information Technology †Myassignmenthelp.Com

Question: Discuss About The Current Situation The Information Technology World? Answer: Introduction Big Data generally refers to the gathering of huge amount of data sets and complex information. In this current situation the information technology world there we can see an issue where these technologies are exceeding the existing storage, communicational and computational capacities of conventional systems [1]. There are various techniques to connect to people or organization by the use of internet or any other conventional way. The technique and information that helps in connecting, is incrementing in a huge rate and volume. But this rapid increase is also creating a concern about the privacy and security issues of the data. Based on the networking system and hierarchical models the database system has also advanced its area of use to the relational and objective database system [15]. By the implementation of web sources these database can also be accessed via data or web management services. Since there is a great concern about the security and privacy of these network systems, it is important to know the aspects of theses security concerns. In this report we are going to review and research about the privacy and security issues in domain of Big Data and IoT (Internet of Things). Overview on BigDataand IoT SecurityandPrivacyProblems Big Data is the set of complex and large data that the traditional data processing software applications lack capability to handle. Big Data is mainly used to increase the storage capability and increase the processing power [2]. It is more complex and includes challenges like storage, analysis, data capturing, transfer files, sharing, visualization, querying, updating information and privacy. Knowledge management in Big Data has three main functionalities Volume, Variety and Velocity. Recently two more Vs has been included Values and Variability. There are several kind of tools in Big Data analysis like NoSQ, MapReduce that includes Hadoop, S3 storage, Servers and Processing. But as the benefits rises there is a constant introduction of new and vulnerable [3]. Three has been a rise in the security concern in each of these different domains. There are privacy and security issues of Big Data by the following aspects: Transaction logs protecting and information Filtration of end-point inputs and validation Calculation of Security distributed framework and similar processes Protection and securing of data in real time Protection the accessibility control methodology, communication and encryption Data provenance Access control granular Security protection for non-rational data stores Similarly, IoT refers to the communication paradigm that is recently envisioned as one of the most vital part of everyday life. It is the network of networks which gives value added service and in which a lot of massive objects, sensor devices and digital devices are connected through the ICT (Information Communications Technology) infrastructure. The IoT gathers data and information at anytime and at anyplace, related to anyone and anything, initially implementing at the path of network and services [4]. There are privacy and security issues of Internet of things by the following aspects: Consumers those uses free online services like social networking, emails, websites etc. are aware of the fact that consequently they become the part of the online service and hence become the data source for the organizational business. This helps in analyzing of data sources and improves the satisfaction of the customers. Here is where the conflict comes when these data are sold to third party for further analysis without the concern of the security and online service privacy of the customers [14]. The number of users data that are gathered has to be significantly larger from the past collection gathered. Some of these technologies can gather such sensitive information of customers by analyzing the daily activities that may range from the health conditions to financial records. SecurityInformation andSecurity Problems There are several security issues regarding Big Data and IoT [5]: Non-relational data store: Let us take an example of NoSQL databases that is independent from anyone else as a rule need security (which is rather given, kind of, through middleware). Endpoints: Security arrangements that draw logs from endpoints should approve the credibility of those endpoints, or the investigation wouldn't do much good. Real-time compliance or security tools: These create a colossal measure of data; the key is figuring out how to disregard the false positives, so human ability can be centered on the genuine ruptures [16]. Distributed framework: Most enormous information executions really convey gigantic handling employments crosswise over numerous frameworks for quicker investigation. Hadoop is a notable example of open source tech associated with this, and initially had no security of any kind. Dispersed preparing may mean less information handled by any one framework, yet it implies significantly more frameworks where security issues can manifest. Storage: In the architecture of Big Data, there is a general storage where the data and information are stored on more than one tier. It depends on the need of cost vs. performance [13]. Let us take an example like the high prioritized data has to be stored in the flash media. Hence, the lockdown storage refers to the creation of a tier-conscious strategy. Access controls: There is requirement of critical; importance that may provide a system in which authenticates or encrypts verifies the user and hence determine the priority customer. Data mining solution: Most enormous information usage really circulates gigantic handling occupations crosswise over numerous frameworks for speedier investigation. Hadoop is an outstanding occurrence of open source tech engaged with this, and initially had no security of any kind. Disseminated handling may mean less information prepared by any one framework, yet it implies significantly more frameworks where security issues can edit up.These are the core of numerous enormous information conditions; they discover the examples that propose business systems. For that very reason, it's especially imperative to guarantee they're secured against not quite recently outer dangers, but rather insiders who manhandle organize benefits to get touchy data including yet another layer of enormous information security issues. Granular auditing: This determines the attacks occurred that have been missed and hence make situations that may improve the situation in future. It is a large amount of data itself that can be enabled and protected by vital security issues in Big Data identification. Data provenance concerns primarily about Metadata (data about the data): This is tremendously vital that helps to know from where the data emerges from [12]. The users who are accessible to the data and what the data are used for. These data are generally analyzed within minimum amount of time and exceptional pace in which the breaches get activated. Favored clients occupied with this sort of action must be altogether checked and nearly observed to guarantee they don't turn into their own enormous information security issues. Analysis of tackling Security Problems There is requirement of approximation in this real world since the analyzing and data collection tools have security aspect that has been functionally stored in the technology. The deployment of Security and Information Event Management (SIEM) solution is vital to aggregated logs in security system and the automatic identification of potential breaches. Hadoop is another simple way to identify the big data security and privacy issues [6]. Thus, Hadoop has become one of the most popularly used technologies to address breaches. There has been a range of security leading solutions that has been provided to evolve the technologies which are ideally commercial grade that to help the lock down process. These systems are generally added together by the open source contributors, for example Apache Accumulo. Therefore, by the introduction of Hadoop in Big Data security system, the remaining techniques that can be used are the authentication check and encryption [7]. The tacking of data security and privacy challenge in IoT has some unique techniques: At first there is requirement of understanding the uniqueness of the challenges over the security system in IoT and hence making the development of the next technology accordingly. Finding out the risks related to Big Data, greater the amount of sensitive data, creates greater risk of information system and theft of identity manipulation of devices, IP theft and manipulation of networks or servers and many more. IoT enabling security of data like protection of integrity, confidentiality and authentication data [8]. Privacy issues exploration depends on the extent the customer need the privacy and the techniques by which these issues can be maintained by still making the data useful for the customers. The role of shared trust and metadata assumptions over the end to end security across platforms. Recent Security problem related to the chosen topic IoT is a system comprising of physical gadgets, which are additionally embedded with sensors, hardware, and programming, in this way enabling these gadgets to trade information [9]. This at last permits better joining between genuine physical substances and PC worked frameworks. IoT is the following huge thing affecting our lives in significant ways and number of elements. Innovations like Column-arranged databases, SQL in Hadoop, Hive, Wibidata, PLATFORA, SkyTree, Storage Technologies, Schema-less databases, or NoSQL databases, Streaming Big Data investigation, Big Information Lambda Architecture, Map-lessen, PIG, and so on., helps in managing the huge measure of information created by IoT and different sources. Real difficulties that can bring ground breaking prizes when they are fathomed: Tremendous information volumes[10] Trouble in information accumulation Contradictory measures New security dangers No unwavering quality in the information Central moves in plans of action Gigantic measure of information to break down A quickly advancing protection scene The above focuses are a portion of the difficulties that IoT huge information faces. The rate in information development in extending each second, stockpiling in a major test, handling and keeping up is significantly more repetitive [11]. The apparatuses that are created to deal with the two innovations are step by step changing as per the requirement. Conclusion Associations must guarantee that every enormous datum bases are resistant to security dangers and vulnerabilities. Amid information accumulation, all the fundamental security insurances, for example, ongoing administration ought to be satisfied. There is a requirement to work together on advancing the standards and practice to identify the threats and security issues regarding Big Data and Internet of things. Since IoT has the requirement of being developed from level for safety, thus has to be tested. There are a couple of territories of concern and security and protection and information gathering productivity are likely the most troublesome issues we are confronting. Remembering the enormous size of huge information, associations ought to recollect the way that overseeing such information could be troublesome and requires remarkable endeavors. Be that as it may, making every one of these strides would help keep up purchaser security. There is a need of developers to work along wit h the manufacturers to ensure the security at highest priority. So protecting the customers and organization has to be the primary concern not the second thought. This report is a survey about the IoT and Big information security system, the effects of IoT on enormous information, the huge information advances and the challenges. Since there is a noteworthy effect of IoT on enormous information we have to rapidly collected, total structure to deal with the day by day evolving conditions. Security bargain and wasteful aspects in information gathering instruments result in lost status, cash, time and exertion. Yet, there is trust in light of the fact that both the IoT and the enormous information are at a developing stage and there will be redesign Reference [1]M. Conti, A. Dehghantanha, K. Franke and S. Watson, "Internet of Things security and forensics: Challenges and opportunities", Future Generation Computer Systems, 2017. [2]G. Newe, "Delivering the Internet of Things", Network Security, vol. 2015, no. 3, pp. 18-20, 2015. [3]K. Sood, S. Yu and Y. Xiang, "Software-Defined Wireless Networking Opportunities and Challenges for Internet-of-Things: A Review", IEEE Internet of Things Journal, vol. 3, no. 4, pp. 453-463, 2016. [4]J. Ziegeldorf, O. Morchon and K. Wehrle, "Privacy in the Internet of Things: threats andchallenges", Security and Communication Networks, vol. 7, no. 12, pp. 2728-2742, 2013. [5]M. Hussain, "Internet of Things: challenges and research opportunities", CSI Transactions on ICT, vol. 5, no. 1, pp. 87-95, 2016. [6]"Lack of security in Internet of Things devices", Network Security, vol. 2014, no. 8, p. 2, 2014. [7]J. Lin, W. Yu, N. Zhang, X. Yang, H. Zhang and W. Zhao, "A Survey on Internet of Things: Architecture, Enabling Technologies, Security and Privacy, and Applications", IEEE Internet of Things Journal, pp. 1-1, 2017. [8]M. Eltayeb, "Internet of Things", International Journal of Hyperconnectivity and the Internet of Things, vol. 1, no. 1, pp. 1-18, 2017. [9]C. Tankard, "Big data security", Network Security, vol. 2012, no. 7, pp. 5-8, 2012. [10]G. Lafuente, "The big data security challenge", Network Security, vol. 2015, no. 1, pp. 12-14, 2015. [11]T. Win, H. Tianfield and Q. Mair, "Big Data Based Security Analytics for Protecting Virtualized Infrastructures in Cloud Computing", IEEE Transactions on Big Data, pp. 1-1, 2017. [12]C. Constantine, "Big data: an information security context", Network Security, vol. 2014, no. 1, pp. 18-19, 2014. [13]C. Everett, "Big data the future of cyber-security or its latest threat?", Computer Fraud Security, vol. 2015, no. 9, pp. 14-17, 2015. [14]R. Kemp, "Legal aspects of managing Big Data", Computer Law Security Review, vol. 30, no. 5, pp. 482-491, 2014. [15]H. Hassan, L. Yang and M. Qiu, "Special issue on Big Data Security and Intelligent Data in Clouds (BDS-IDC)", Concurrency and Computation: Practice and Experience, vol. 29, no. 14, p. e4215, 2017. [16]"Using big data to reduce security risks", Computer Fraud Security, vol. 2012, no. 8, p. 3, 2012.

Wednesday, December 4, 2019

Challenges of Mixing Methods and Methodologies

Question: Discuss about the Challenges of Mixing Methods and Methodologies. Answer: Introduction: Inventory flow management is considered as one of the most critical and costly aspect of supply chain management. The companies are rigorously trying to balance the cost of inventory so that it is able to fulfill customer requirements. Storing to many stocks increases the cost of warehouses and attaches with the capital further it also causes loss to vendors if in any case there is a drop in demand. When there is very less or no inside available in the inventory upstream, downstream retailers, manufacturers and distributors cannot give commitment for huge orders with guaranty apart from that these people will also not be able to deliver proper forecast. Inventory management is usually considered as a very dynamic and flexible system which is very sensitive towards parameters of cost and it is been developing throughout years. It is also termed parlance management because supply chain managements deals with material flow control from the raw materials suppliers at one end and delivery of finished goods to the consumers at the other end. The most of these techniques are usually dependent of scientific principles further it's based on mathematical and theories of probability. The inventory management is responsible for various activities like marketing, purchasing, production and other techniques so that it can balance the conflicting tools (Bhasin , 2016) This system is responsible to provide knowledge to manage the flow of materials in an efficient manner, utilize people and equipment effectively and coordinate internal activities. The well managed inventory flow management demonstrates that the customers receive the goods efficiently in proper time. It further allows the members of the team to match the inventory with consumer's demand .Apart from that it is mandatory to meet the objectives of the system including capacity, profitability and productivity. There is some of the basic inventory terms listed:-Cycle stock-It is the basic amount of material required in order to meet the demands of the customer. Transit Stock-It is the reroute among the locations which carry the stock. Speculative Stock-It is basically the extra amount of raw materials required to meet the high consumer needs. It is different than normal short term demand. Safety Stock- It is the extra amount of stock in excess of the cycle stock which is usually maintaine d to compensate the uncertainties of the growing demand and substitution.It can also be expressed through a fixed amount (Coca Cola Journey , 2017) The inventory stock management has a good match with demand and supply further replenishing the requirement of inventory. Various operations such as transporting, manufacturing and warehousing; all these are responsible to generate imbalances in the system which finally gives rise to inventory management especially in FMCG industries. Errors in predicting the consumer demand generally impact the production of the product been produced in the plant. Apart from that changes related to promotional and seasonal impact the consumer demand for any particular product. Hence in these case shortages of the inventory further generate imbalances in the entire system. For eg:- shortage of labor, shortage of transportation.raw materials shortage and capacity of manufacturing constraints ; these all are generally responsible for inventory shortage and the company in such cases is unable to meet demands of the customers (Cahan, 2003) One of the most important parameter of shortage of inventory is scheduling. There are basically three kinds of scheduling problems in the FMCG industries:-First the schedule can be inadequate, second the schedule is not carried out in a proper manner and third the schedule can be disturbed by unexpected scenarios such as bad conditions of weather or breaking of equipments. The efficient inventory management will be trading off the conflicts of operations and constraints of inventory so that it can aim for an effective compromise that maintains enough inventories to meet customer demand yet covers variation in the forecast (Floyd Fowler, 2009) Inventory is very crucial and it very much mandatory but there are other expenditures associated with the same; and the expenditures increases with the increase in levels of inventory generally when indirect and direct cost is indulged. The bigger the inventory, the higher is the possibility of loss by damage, obsolescence, aging and theft. A bigger inventory can result into inefficient handling. It is always recommended to spend ample amount of time in re-warehousing, double handling and stock rotating through man-hours which may have be crucial for some other task. It is very common factor in FMCG industries to carry manufacturing cost of 25% out of the total amount of funds allocated for inventories. Sometimes the expenditure allocated for inventories can be used elsewhere according to the latest requirement of the industry. Thus it is important for the operations to carry out enough inventories so that it can be always updated with its stock so that shortage scenarios can be avoi ded (Green, 2011) The principle of inventory management states that the industrial plant has good amount of production flexibility and capacity and enough area for storage. The basic quantity required for scheduling and planning the receipt of ingredients, raw materials and supplies packaging must be taken into consideration when estimating and calculating finished product requirement, certain patterns of demand , seasonal swings and activities related to promotional might need pre production specific SKU's in order to avoid capacity of production at bottlenecks. But whenever there is pre production of goods there might be less capacity of storage in the production area. In these scenarios there is a shifting of inventory to the distributing centers based on estimated demands. One needs to note that if the required facility has much capacity of constraints or an unbalanced infrastructure then it's mandatory for the team of management to modify the basic inventory process principle (Helfat Martin, 201 4) The FMCG industries basically need to be proactive in nature for product recall. The earlier model of business required traceability from individual stores to distribution centers. The recent survey conducted on approximate 48 industries in FMCG sector states that the primary cause for installing an automated control system and material tracking system is to get real time visibility and accuracy of inventory so that it can efficiently track and trace the system of inventory. Further the report stated that 52 percent of the industries now use bar coded labels so that they can keep a track on their raw materials, goods finished and progress of work. In order to monitor raw materials, finished goods in the current scenario; it is mandatory to avoid accidental shifting of materials. To work in the real ambience the companies require the industry need to instantaneously hold the inventories either on SKU's real time expiration control of inventories .This can prevent the expired inventory allocation from entering the other processes .Hence resulting in downfall in distribution chain (Hutchison Boxall, 2014) The aim of inventory flow management is to match demand with supply on regular time .There are two main methods to manage the flow of inventory most frequently termed as production push and warehouse pull. Production push is regarded as one of the most traditional technique whereas warehouse pull is the new one. At times the system of pull is much suitable to the requirements of the distribution network and beverage industry as it the exact consumer demand the basis for substituting inventory. But for satisfying the demands of the consumers without further interruption a certain quantity of inventory must be send out of the door. In this case the production pull system works very well. Both distribution and production push works very well (Lislie, 2011) In the inventory management production push process the periodic demand estimation is often converted into the production plan and a production schedule. Further the process of push production is further converted into transportation schedule which allocate the amount for transporting to each and every distribution center based on each forecast. In the production push process, the facilities with respect to the production or other elements involving centralized planning generally control and manage the movement of inventory within its distribution centers and location. The push process is generally introduced in the processes during periods of promotion, when the products are supposed to push out of the production area on assigning basis. In the inventory management warehouse pull process, demand forecast is also responsible for the plan of production and modification in schedule of production on the basis of inventory substitution taking into account distribution center (Metcalfe, 2 002) The system of pull in inventory flow management deals with responding to consumer's demand. Here the consumer is considered as a important factor while deciding the requirement, location and amount of SKU's. The push process generally sends out the materials based on the forecasted demands of the market or blanket allocation. The pull system sends out the materials on the basis of the demands of the distribution centers which are directly dependents on consumer's demand. The pull process works under right time principle so that it can conduct quick and frequent flow of info and goods. The cost cutting is usually maintained by replacing waste such as inventory which stays too long or huge amount of safety stocks. The pull system functions better than pull system as it is able to operate and deal with all the complex scenarios of beverage industry by using the technology at optimal level. The pull system of the inventory management is combined with scheduling of production and planning of resource it facilitates the matching of supplies with the actual customer demands within the supply chain again the reversal of planning information from consumers to suppliers (Randolf, 2009) The FMCG industries are making a drastic change by shifting from push system management to pull system inventory management. At the same time there are various factors involved which will lead to success of pull system in future. On primarily basis the industry should have a general knowledge about the pull system .It employees should have a basic idea on operation and estimation during the entire process (Austin Seitanidi, 2012.) Secondly it's important for the cross over to have a proper commitment by the team of management and prior support by members in the senior management. Thirdly there should be introduction of performance parameters so that it can be established within the line of objectives in supply chain management .Fourth, all the locations should have timely and accurate info about the demands and quantities of inventory management. Fifth, an accurate estimating and forecasting system should be established and the sales and operation tem should be liable to it equally. Sixth, parameters of operations such as lead times, cycle times, and capacities are often required to understand production, warehousing and transport. Seventh, it is mandatory to have accurate info and good communication to solve the complexity of business by indulging software system and finally transportation is required for scheduling the systems (Finegan, 2001) The main preference of all the employees in the FMCG distribution and manufacturing is to satisfy the demands of the consumer for production. Controlling and monitoring the inventory is done in order to match the consumer's demand by scheduling the transportation and productions in a way which can decrease the usage of resources in a complex and constant balance. In order to manage the shifting of materials throughout the entire distribution centers and processing unit they usually develop the ability to meet the changing demands of business. This is further integrated with right policies, system and production. The management of processes and technology are usually done on the basis industrial practices and further by effective achieving the balance of inventory flow management. This leads to a company's success in today's challenging time. Managing the entire material transportation efficiently throughout the processing tenure and distribution of proper Inventory management is a crucial part of the "Seamless tube "within any respective FMCG company. The common focus of this sector is on customer satisfaction. The main goal of this sector is to produce good quality goods at nominal rates further packaged and delivered according to the latest demands of the consumers. Proper management of the inventory flow management ensures that every customer and supplier has uninterrupted delivery of delicious and fresh products of the FMCG company. This is also regarded as the greatest form of service delivered to customers. The enti re inventory management basically works on this fundamental. Sector 1 ($,m) Sector 2 ($,m) Sector 3 ($,m) Sector 4 ($,m) Median 306.2 308.2 290.5 317.2 Mean 331.2 295.2 281.5 278.8 Trimmed mean 316.9 201.1 295.7 300.9 References Bhasin , H ., 2016.Marketing strategy of Coca cola Coca cola marketing strategy. [Online]Available at: https://www.marketing91.com/marketing-strategy-of-coca-cola/ [Accessed 5 November 2017] Coca Cola Journey. , 2017 . Sustainiblity .[Online] Available at: https://www.coca-colacompany.com/sustainability [Accessed 4 April 2017] Cahan, J., 2003. Mini-lecture on writing a critique- effective acade. [Online] Available at: https://www.personal.psu.edu/faculty/b/j/bjj6/ENGL015-2001Critique.html [Accessed 4 April 2017]. Floyd, J. Fowler, J., 2009. Survey Research Methods. 4th ed. Nashville: SAGE. Green, R.R. et al., 2011. Management matters in New Zealand: How does manufacturing measure up? Wellington.: Ministry of Economic Development Ministry of Economic Development. Helfat, C.E. Martin, J.A., 2014. Dynamic Managerial Capabilities: Review and Assessment of Managerial Impact on Strategic Change. Journal of Management, 41(5), pp.1281-312. Hutchison, A. Boxall, P., 2014. The critical challenges facing New Zealands chief executives: implications for management skills. Asia Pacific Journal of Human Resources, 52, pp.23-41. Lislie, J.D., 2011. THE BENEFITS AND CHALLENGES OF MIXING METHODS AND METHODOLOGIES:Lessons Learnt From Implementing Qualitatively Led Mixed Methods Research Designs in Trinidad and Tobago. Caribbean Curriculum, 18, pp.87-120. Metcalfe, M., 2002. Preparing a critique of an article: Using argument as an inquiry. [Online] Available at: https://godot.unisa.edu.au/register/articles/5.doc [Accessed 4 April 2017]. Purdue University, 2016. WRITING A THESIS STATEMENT. [Online] Available at: https://owl.english.purdue.edu/handouts/print/general/gl_thesis.html [Accessed 4 April 2017]. Randolf, J.J., 2009. A Guide to Writing the Dissertation Literature Review. Practical Assessment, Research and Evaluation, 13, p.14. Austin, J.E. Seitanidi, M.M., 2012. Collaborative value creation: A review of partnering between nonprofits and businesses: Part I. Value Creation Spectrum and Collaboration Stages. Nonprofit and Voluntary Sector Quarterly, pp.726-58. Finegan, J., 2001. The impact of personal values on judgments of ethical behaviour in the workplace. Journal of business ethics, 13(9), pp.747-55. ICAEW, 2011. Code of Ethics C. [Online] Available at: https://www.icaew.com/en/membership/regulations-standards-and-guidance/ethics/code-of-ethics-c [Accessed 4 April 2017]. Mc Devitt, R. Van Hise, J., 2002. Influences in Ethical Dilemmas of Increasing Intensity. Journal of Business Ethics, 40(3), pp.261-74. Stanga, K.G. Turpen, R.A., 1991. Ethical judgments on selected accounting issues: An empirical study. Journal of Business Ethics, 10(10), pp.739-47. Porter, M.E. 2008, 'The five competitive forces that shape strategy'. Grnig, R. Gaggl, R. 2005, Process-based strategic planning, Springer Science Business Media.

Thursday, November 28, 2019

Astronomy Homework Question and Answers †Second Part

Astronomy Homework Question and Answers – Second Part Free Online Research Papers Astronomy Homework Question and Answers Second Part #4. Briefly describe the astronomical uses of each of the following: Stonehenge, The Templo Mayor, The Sun Dagger, The Mayan observatory at Chichen Itza, lines in the Nazca Desert, Pawnee Lodges, the Big Horn Medicine Wheel. Stonehenge can show exactly when the summer solstice is, by looking for the sun directly over a specific stone, called the Heel stone. The Templo Mayor is also used to mark the seasons, by watching the sun rise through two temles on the equinoxes. The Sun Dagger is a carved spiral onto which the sun forms a dagger of light only once a year- on noon of the summer solstice. The Mayan Observatory had windows strategically placed specifically for osbservations of Venus. The lines in the NAzca desert may look like well traveled walkways, but some of them are alighned in directions where the Sun or other bright stars are at certain times of the year. The Pawnee lodges had strategically placed holes for observing the passage of certain constellations. The 28 â€Å"Spokes† of the Big Horn Medicine Wheel probably relate to the month of the Native Americans, for they had months of 28 days, because they did not count the New Moon. #9. Who was Ptolemy? Briefly describe how the Ptolemaic model of the universe explains apparent retrograde motion while preserving the ideas of an earth-centered universe. Ptolemy was an ancient Greek astronomer (c. A.D 100-170) who came up with a model of the universe with the earth at the center. His flawed nation of an Earth centered-Universe with regards to Planetary motion was surprisingly accurate. His explained the apparent retrograde motion of the planets by suggesting that the planets moved in smaller circles while they were traveling along their orbits. #14. Describe how Galileo helped spur acceptance of Kepler’s Sun-centered model of the Solar System There were three basic objections that most people had to the Sun centered universe. 1. The Earth could not be moving because objects would be left behind while the earth moved. 2. The idea of non-circular orbits contradicted the idea that the heavens must be perfect and unchanging. 3. Stellar parallax ought to be detectable if the Earth Orbits the Sun. Galileo was able to answer all three objections. First, he demonstrated that a moving object remains in motion unless a force acts to stop it (i.e, why people remain standing in an airplane while it is flying.) Galileo showed that the heavens could change after he built a telescope in 1609, and noticed imperfections in the Sun, moon, and Earth. He assumed that the stars were actually far more distant then anyone had thought, therefore not allowing astronomers like Tycho Brahe to observe stellar parallax. He never actually proved it, he just had very strong evidence in its favor. But the true death of an Earth Centered syst em came when Galileo discorved that there were four moons orbiting Jupiter, not the Earth, and that Venus goes through phases like the moon, and therefore orbited the Sun. Problems #2. The Date of Christmas (December 25th) is set each year according to a lunar calendar. False- The Date is set each year according to the Tropical calendar, having the same number of days in a year, 365, and 12 months. The Lunar calendar has 12 months, but with only 29 or 30 days for each month, and a year of about 354-355 days. Muslims still follow the Lunar calendar, but not Christians. #5. In Science, saying something is a theory means that it is really just a guess. False- A theory is a hypothesis that has passed a broad range of tests and is generally assumed to be true. A hypothesis is an educated guess. Research Papers on Astronomy Homework Question and Answers - Second PartMind TravelThe Spring and AutumnBook Review on The Autobiography of Malcolm XInfluences of Socio-Economic Status of Married MalesCanaanite Influence on the Early Israelite ReligionResearch Process Part OneWhere Wild and West MeetAssess the importance of Nationalism 1815-1850 EuropeIncorporating Risk and Uncertainty Factor in CapitalHip-Hop is Art

Sunday, November 24, 2019

Essay on Rose Ocean and Big Blue Blanket

Essay on Rose Ocean and Big Blue Blanket Essay on Rose: Ocean and Big Blue Blanket Ocean Step by step onto the warm aureate sand made my feet sink in a millimetre deeper, and nothing but quiet at the beach in the almost dimness of early evening is ever astonishing. Stretches further than the eye can see the ocean is entirely free. It looked like a big blue blanket covering the earth with nothing but comfort. As stranger and I waxed our board on the edge of the shore, waves ran across bearing sea shells along as it surrounds where I kneel. I held a shell to my ear, and listened to its tale. Whispers entered my ear, but nothing else than a morbid calm voice here, calling me into the big blue bubbly bath tub of water. Other surfers continue to wax their board, from the cogitation I courageously dived under the surface of the ocean with my surfboard, although the water was as cold as ice as it pelts my skin. Paddling further until I was isolated with nothing but low-tide waves. Often I sit on my board awaiting for a wave sensation, looking back to a childhood, mist with the sight and the sounds of the wildwood. Day ends to rest, and the sunset does its best. The outstanding ocean will receive, yet still to arrive, the burning sun that’s going to leave. The mists of evening rise, and stretch away between the horizon and the distant to sail, and the earth and the sea are clothed in sombre grey. Higher the moon ascends, and star upon star arises by low-lying isle. I hear the soft lashing, and splashing and crashing of the black waves for long and in loneliness. Spatter of surfers paddling, while the thrilling screams of the first time surfers. Seconds later, I was devoured by a blur creature that entered my sight, a Dolphin at my side swimming swiftly with her grey excellence sin to the evening breeze. She is an object of beauty and strength, so I sat and watch her until length. Seaweed dangles beneath the broad sea, seagulls swat softly above flying in a spree along singing the song it has for ages sung, and the crisps sea air blows against my mahogany dark curls. I paddle swift, steady strokes as I hit the wave with adrenaline rushing, so I turn around as I hear wave crashing. Gave it my all and let the wave do it all. Sudden swing, a twist and a fling! My board point for the shore and I fix my eye where the surf flings high to fall on the reef a roar. I schlunch into the ocean off my board, but the

Thursday, November 21, 2019

Using Cell Phones While Driving Term Paper Example | Topics and Well Written Essays - 2250 words

Using Cell Phones While Driving - Term Paper Example According to the same survey (Britt, 2005), those driving and talking on cell phones responded slower to brake lights by an average of 18% and 17% took a longer time to regain speed after braking for a light. It has also been noted that the hands free cell phones cause the same, slower responses among those that are driving and don’t lead to safe roads that can be driven on (Britt, 2005). The problem with using a cell phone while driving is now not only applicable to talking to others while on the road. Text messages, adding in music and the distractions from the cell phone are all adding into problems that are associated with those who are driving on the road and that are multi-tasking while driving. To change this, there are new laws that are trying to be passed, specifically because of the adverse effects which this has. However, the laws and the regulations by officials have not changed the number of individuals that use a cell phone on the road for any purpose, leading to more danger to those that are on the road and continuing to lead to accidents because of the lack of bans that are reinforced by officials (GHSA, 2011). Relationship of Cause and Effect The cause of using cell phones while driving is considered because of the association with needing to talk to others, communicate or update individuals while on the road. ... The use of cell phones on the road is one which may be more applicable while waiting at a stop light, going through slower traffic or driving through roads which are already known to those that are driving (Strayer, 2001). The cause of using cell phones while driving among the age group of 20-30, which is known as more likely to use phones while driving, is most likely specific to the need to communicate with friends, family or the work that one is involved in. The hectic lives that most lead at this age make the driving time the easiest to catch up with the communication that is needed. The knowledge of the road and the ability to multi-task while driving is one of the ways that most in this age group are trained, specifically with the understanding that doing more than one thing at a time is acceptable. The rise in technology has led to the behavior of multi-tasking and makes the cell phone use while driving natural. Even though there may be a natural tendency to use cell phones wh ile driving because of the multitasking which takes place, there are also other variables which are considered with this. The effects which occur lead to being over stimulated in specific conditions. If one is driving on a road that doesn’t have as much traffic or which doesn’t require as much attention, then the cell phone speaking may seem applicable. However, extra stimulations and interference from other coming traffic, changes in the road and the consequences of paying more attention to the phone than the road lead to the crashes and injuries that have been reported. The effect is from the stimulation that occurs which doesn’t allow one to respond quickly enough when speaking on a cell phone, showing that the

Wednesday, November 20, 2019

Europe in the International Economic Order Research Paper

Europe in the International Economic Order - Research Paper Example The European Union was formed with the aim of strengthening the economic and political powers of the European countries and emerge as an international superpower. The emergence of the Euro is also a part of this project. Euro was introduced as a common currency for the participating European nations to remove the exchange rate risks within the internal market, to boost up trade across nations and most importantly to bring in monetary stability in Europe. (Fedee, n.d.) Another major purpose was to challenge the increasingly monopolistic power of the currency dollar as a single international currency and to rescue its members from the fluctuations of the dollar. The introduction of Euro has been the most important development in the international economy; it has become the major medium of trade especially in the euro area and other European countries. â€Å" Euro has played a major role in fostering harmony among diverse economies, which had conflicting monetary and fiscal policies, t ariffs and other restrictions on trade and investments† quotes Haruhiko Kuroda, head of Asian Development Bank at this years Brussels Economic forum (Vucheva, 2009). The Eurozone formed covering 11 countries in 1999, â€Å"Belgium, Germany, Spain, Italy, Ireland, Luxembourg, the Netherlands, Austria, Portugal and Finland† (Q&A: Euro basics, 2002). Greece was allowed to join only after 2001, later Slovenia Malta and Cyprus followed the suit, Slovakia became the 16th country to join the group. (Vucheva, 2009) Joining Eurozone it had the advantage of trading its inflation prone home currency to the stable Euro. It also gained an upper hand in the borrowing activities, which led to an increase in liquidity in the market which in turn improved the standard of living of the Greek citizens. Loans for individuals, governments as well as corporate houses were available at very low-interest rates, which are available only among the developed nations like Germany.  

Sunday, November 17, 2019

Human Resources Turnover Essay Example | Topics and Well Written Essays - 1000 words

Human Resources Turnover - Essay Example Employee turnover can be good or bad its good when voluntary and involuntary terminations involve non-performers whose resignation will be in the interest of the organization. It is bad when a good performer leaves the organization for some reason to begin the search for replacement. Searching of talented employees and training them for the job is very expensive for an organization. It is called turnover cost in this case employee turn over is bad for their smooth working. â€Å"The average cost of labor turnover in 2002 for the UK is  £4,301 per leaver. The costs of turnover are highest for managers ( £6,807), followed by professionals ( £5,864). For Ireland, the average cost of staff turnover is  £4,927.† Experienced and skilled employees can get a good job easily. But a loss of this type of employees is bad for an organization It is obvious that a talented and experienced employee, it not compensated well in terms of salary and career growth, will quit him position and seek another job. Therefore turn over is inevitable. In the case of voluntary turnover, it is manageable. â€Å"Retention of skilled employees is expensive getting the right people in every position will increase retention expenditure.† When labor turnover becomes good for an organization when a bad performer is sacked from the organization’s view in competitive work environment a low-level performer is a liability and he needs expensive training. It involves lots of overheads to the organization. HR turnover becomes a costly affair for companies in terms of the expenditure and recruitment, training etc.