How do the writers present and use symbolism in the extracts from “The Go-Between” and “Spies”? The extract from Michael Frayn’s ‘spies’ hints at imprisonment‚ as though the character is trapped in his past. Frayn portrays this to the audience through the symbolism of a jug. Not only does the jug represent a memory for the character‚ but the lace‚ which is ‘weighted down with four blue beads’‚ is used as a metaphor for showing that the events of his past are‚ like the beads on the jug‚ weighing
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EXTENDED ESSAY: CHEMISTRY What effect does magnetic field have on the formation of Liesegang rings (crystal growth in gel medium) on elements of ferromagnetic‚ diamagnetic and paramagnetic nature like Cobalt‚ Nickel‚ Copper and Manganese in their chloride compounds when performed in an agar medium? Lokesh Chandnani Candidate Number – 049369 – 0003 Supervisor: Mr. Jaydip Chaudhuri The Aga Khan Academy‚ Hyderabad Session: May 2015 Word Count: 3798 1. Abstract Liesegang rings phenomena is a
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Kevin Williams Project 1 The use of electricity and magnetism in transportation When Benjamin Franklin discovered electricity‚ it was probably one of the biggest discoveries known to mankind. Even though our dependence of electricity is a lot‚ however at the same time it’s easy to forget how dependent we actually are on it. Electricity always has and always will play a huge part in our everyday life. It’s hard to imagine humanity without it. When it comes to transportation‚ it is going to rewrite
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Contents •Introduction. ……………………………………………………3 •What is MRAM? ………………………………………………4 •Methods of data storage………………………………….6 •Methods of data retrieval…………………………………9 •MRAM using AMR materials……………………………11 •MRAM using GMR materials……………………………14 •Competing Non-Volatile Memories…………………17 •MRAM Advantages and Applications……………….18 •Research and Developments…………………………….20 INTRODUCTION In 1984 Drs. Arthur Pohm and Jim Daughton‚ both employed at that time by Honeywell‚ conceived
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finishing time have significant effect on the surface roughness obtained. Analysis of experimental data showed that change in surface roughness (ΔRa) was highly influenced by mesh number followed by percentage weight of abrasives‚ rpm of permanent magnet‚ and finishing time. Key Words: Magnetic abrasive finishing (MAF)‚ Design of experiments‚ Surface roughness. 1. Introduction Fine surface finish is in high demand in a wide spectrum of industrial applications. An internal magnetic abrasive
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Unit 3 Writing Assignment - Survey of the sciences Navigation Well pigeons and sea turtles are not the only creatures on this Earth to use a magnetic compass. But I found that sea turtles use inclination angle and intensity to follow certain routes in the ocean‚ they call these routes gyres. The gyre is known to be warm and have lots of food‚ but where the gyre is cold there is less food and turtles that follow these routes tend to die. Also a lot of these creatures tend to have a substance in
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electrical and electronic engineering. o Ferrite- These types of magnets magnets are made of a sintered composite of powdered iron oxide and barium/strontium carbonate ceramic. Because of the cheap prices of the materials and manufacturing methods‚ inexpensive magnets like this (or non- magnetized ferromagnetic cores‚ for use in electronic component such as radio antennas‚ for example) of different shapes can be easily mass produced. These magnets are non-corroding‚ but can be brittle and must be treated
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Review Questions 1. What is magnetism? 2. Torque is ________. 3. A magnetic field is _________. 4. True or False: A permanent magnet is a piece of material that has been magnetized and can hold its magnetic strength for a reasonable length of time. 5. How is an electromagnet produced? 6. Which of the following produces the best electromagnet? 7. Unlike poles of a magnet _________each other and like poles_________ each other. 8. What part does polarity play in the operation of an electric motor
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Magnetic field screening and mirroring in graphene Mikito Koshino‚ Yasunori Arimura‚ and Tsuneya Ando arXiv:0903.1690v2 [cond-mat.mes-hall] 17 Jun 2009 Department of Physics‚ Tokyo Institute of Technology‚ Tokyo 152-8551‚ Japan (Dated: June 17‚ 2009) The orbital magnetism in spatially varying magnetic fields is studied in monolayer graphene within the effective mass approximation. We find that‚ unlike the conventional two-dimensional electron system‚ graphene with small Fermi wave number kF
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Although historically ancient travelers made abundant use of the earth’s magnetic field for the exploration of the earth‚ they were ignorant of its origin. In many respects the earth’s magnetic field exhibits characteristics similar to those of a bar magnet; nonetheless‚ the mechanisms responsible for generating each are vastly different. Magnetic field lines appear to originate near the south geographic pole‚ i.e. magnetic north pole‚ and terminate near the north geographic pole‚ i.e.
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