Essay on escience lab 1 - 765 Words

Lab 1: Scientific Method Exercise 1 1. Based on the information in Table 2, it seems that the more dissolved oxygen in the water there is the higher the population of fish is. 2. If the ppm of dissolved oxygen is increased in water then there will be more fish observed. 3. The experimental approach to test this hypothesis would be to have two separate bodies of water, one with a set ppm of dissolved oxygen and another with an increasing amount of dissolved oxygen. 4. The Independent variable is the dissolved oxygen and the dependent variable is the number of fish observed. 5. The control is the fish. 6. The most appropriate graph for this data set would be a line graph because it showcases trends and findings within the trends.†¦show more content†¦Control- fish The data will be collected everyday at 7 o’clock and noon by counting the amount of fish caught at each time. The most appropriate graph would be a bar graph. I will analyze the data by looking for a trend in the amount of fish caught in the morning vs at noon. 4. No testable observation 5. Hypothesis- eating healthy and exercising lowers blood pressure. Null Hypothesis- Blood pressure levels are not affected by eating fatty foods or healthy foods and exercise. The experimental approach would be to check blood pressure levels after eating fatty foods and after eating healthy foods and exercising. Dependent variable- Blood pressure levels. Independent variable- fatty/healthy foods and exercising. Control- Sally The data will be collected by testing the blood pressure levels daily after eating fatty foods and healthy exercise. The most appropriate way to present the data would be by a table. The data will be analyzed for any illustrations that indicate a relationship between healthy eating and exercise and lower blood pressure levels. 6. No testable observation 7. No testable observation 8. No testable observation 9. No testable observation 10. Hypothesis- Ice cream melts faster in warm weather vs cold weather. Null Hypothesis- weather has no bearing on ice cream melting. Taking ice cream outside on a warm day and then on a cold to see if warm weather affects the melting of ice cream would be the experimental approach. DependableShow MoreRelatedGenuine Cannon4884 Words   |  20 Pages Carefully review the Grading Rubric before beginning the assignment. Read Lab 3: Biodiversity. This lab will allow you to investigate how various organisms alter their environments. Additionally, it will allow you to assess the health of ecosystems based upon their biodiversity. Then, you will utilize this information and your eScience lab kit to complete Demonstration 1 and Experiment 1 on the Week Three Lab Reporting Form. 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Contains latex pleasewear gloves when handling if you have a latex allergy).Standing Test TubeWooden Stir StickFresh, Soft Fruit (e.g., Grapes, Strawberries, Banana, etc.) ScissorsDNA Extraction SolutionIce Cold EthanolYouRead MoreWater and Quality1557 Words   |  7 Pages(Rough draft) Final Lab Report Angela Blake SCI 207: Dependence of man on the environment Instructor: Bo Sosnicki Date: November 23, 2015 Introduction Body Paragraph #1 - Background: In this lab we will examine the different pollutants of water and examine contaminates of it as well. 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ConsideringRead MoreEssay on Lab 11639 Words   |  7 Pagesyour own and without assistance, complete this Lab 1 Answer Form electronically and submit it via the Assignments Folder by the date listed on your Course Schedule (under Syllabus). †¢ To conduct your laboratory exercises, use the Laboratory Manual that is available in the WebTycho classroom (Reserved Reading or provided by your instructor) or at the eScience Labs Student Portal. Laboratory exercises on your CD may not be updated. †¢ Save your Lab 1 Answer Form in the following format: LastName_Lab1Read MoreDiffusion Lab Assignment Essay1761 Words   |  8 Pagesï » ¿Diffusion Lab Assignment Go to your student portal in eScience and click the â€Å"Diffusion† lab. Complete the following assignment: Pre-Lab Questions. Answer the following questions in complete sentences after reading through â€Å"Diffusion† information 1. A concentration gradient affects the direction that solutes diffuse. 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I Am Choosing The George Washington University ( Gwu )

We often see the world evolve around people who are unprepared for its transformation. I grew up in Peru, where access to microcredit for poor entrepreneurs with brilliant business ideas is scarce. I spent two years in South Africa, where starting a business consists of waiting over 200 days to get electricity set up. Working on Panama, I have seen locals fight for jobs in a Canal condemned by international contractors. With lack of opportunities and inadequate resources, people are unable to escape poverty. As our world becomes increasingly interconnected, I believe no one should be left behind. I am choosing the George Washington University (GWU) because I want to acquire business knowledge with an international focus and society in mind, join a network of individual with the courage to reach difficult goals, and gain credibility as I strive to make an impact on peoples’ lives. I like opportunities, I like challenges, and I like to make a positive difference. After graduating college with an Economics degree, I thought of the range of possibilities that would help me reach my goals. I was aware of the fact that I wanted to work for a large and prominent organization with an international scope capable of influencing policy-makers and dealing with a wide array of economic and social issues. I did not want to just crunch numbers and run regressions for a living; I wanted my work to count. Fortunately, it did not take long for such opportunity to come, and soon after I wasShow MoreRelatedWhy Students Should Be A University Essay1170 Words   |  5 PagesTransferring to a four-year college or university can be challenging depending on some factors, but it is not an impossible task. Two-year colleges like NOVA are working closely with four-year universities to ensure this transition is smooth and easy. Four-year institutions and universities have also recognize d what a transfer student can bring to their schools. Most students attend community college with a plan of transferring to a four-year university. Community Colleges have great opportunities

The Twilight Saga 4 Breaking Dawn 37. Contrivances Free Essays

string(46) " or a panther when the first change was made\." Aro did not rejoin his anxious guard waiting on the north side of the clearing; instead, he waved them forward. Edward started backing up immediately, pulling my arm and Emmett’s. We hurried backward, keeping our eyes on the advancing threat. We will write a custom essay sample on The Twilight Saga 4: Breaking Dawn 37. Contrivances or any similar topic only for you Order Now Jacob retreated slowest, the fur on his shoulders standing straight up as he bared his fangs at Aro. Renesmee grabbed the end of his tail as we retreated; she held it like a leash, forcing him to stay with us. We reached our family at the same time that the dark cloaks surrounded Aro again. Now there were only fifty yards between them and us – a distance any of us could leap in just a fraction of a second. Caius began arguing with Aro at once. â€Å"How can you abide this infamy? Why do we stand here impotently in the face of such an outrageous crime, covered by such a ridiculous deception?† He held his arms rigidly at his sides, his hands curled into claws. I wondered why he did not just touch Aro to share his opinion. Were we seeing a division in their ranks already? Could we be that lucky? â€Å"Because it’s all true,† Aro told him calmly. â€Å"Every word of it. See how many witnesses stand ready to give evidence that they have seen this miraculous child grow and mature in just the short time they’ve known her. That they have felt the warmth of the blood that pulses in her veins.† Aro’s gesture swept from Amun on one side across to Siobhan on the other. Caius reacted oddly to Aro’s soothing words, starting ever so slightly at the mention of witnesses. The anger drained from his features, replaced by a cold calculation. He glanced at the Volturi witnesses with an expression that looked vaguely†¦ nervous. I glanced at the angry mob, too, and saw immediately that the description no longer applied. The frenzy for action had turned to confusion. Whispered conversations seethed through the crowd as they tried to make sense of what had happened. Caius was frowning, deep in thought. His speculative expression stoked the flames of my smoldering anger at the same time that it worried me. What if the guard acted again on some invisible signal, as they had in their march? Anxiously, I inspected my shield; it felt just as impenetrable as before. I flexed it now into a low, wide dome that arced over our company. I could feel the sharp plumes of light where my family and friends stood – each one an individual flavor that I thought I would be able to recognize with practice. I already knew Edward’s – his was the very brightest of them all. The extra empty space around the shining spots bothered me; there was no physical barrier to the shield, and if any of the talented Volturi got under it, it would protect no one but me. I felt my forehead crease as I pulled the elastic armor very carefully closer. Carlisle was the farthest forward; I sucked the shield back inch by inch, trying to wrap it as exactly to his body as I could. My shield seemed to want to cooperate. It hugged his shape; when Carlisle shifted to the side to stand nearer to Tanya, the elastic stretched with him, drawn to his spark. Fascinated, I tugged in more threads of the fabric, pulling it around each glimmering shape that was a friend or ally. The shield clung to them willingly, moving as they moved. Only a second had passed; Caius was still deliberating. â€Å"The werewolves,† he murmured at last. With sudden panic, 1 realized that most of the werewolves were unprotected. I was about to reach out to them when I realize that, strangely, I could still feel their sparks. Curious, I drew the shield tighter in, until Amun and Kebi – the farthest edge of our group – were outside with the wolves. Once they were on the other side, their lights vanished. They no longer existed to that new sense. But the wolves were still bright flames – or rather, half of them were. Hmm†¦ I edged outward again, and as soon as Sam was under cover, all the wolves were brilliant sparks again. Their minds must have been more interconnected than I’d imagined. If the Alpha was inside my shield, the rest of their minds were every bit as protected as his. â€Å"Ah, brother†¦,† Aro answered Caius’s statement with a pained look. â€Å"Will you defend that alliance, too, Aro?† Caius demanded. â€Å"The Children of the Moon have been our bitter enemies from the dawn of time. We have hunted them to near extinction in Europe and Asia. Yet Carlisle encourages a familiar relationship with this enormous infestation – no doubt in an attempt to overthrow us. The better to protect his warped lifestyle.† Edward cleared his throat loudly and Caius glared at him. Aro placed one thin, delicate hand over his own face as if he was embarrassed for the other ancient. â€Å"Caius, it’s the middle of the day,† Edward pointed out. He gestured to Jacob. â€Å"These are not Children of the Moon, clearly. They bear no relation to your enemies on the other side of the world.† â€Å"You breed mutants here,† Caius spit back at him. Edward’s jaw clenched and unclenched, then he answered evenly, â€Å"They aren’t even werewolves. Aro can tell you all about it if you don’t believe me.† Not werewolves? I shot a mystified look at Jacob. He lifted his huge shoulders and let them drop – a shrug. He didn’t know what Edward was talking about, either. â€Å"Dear Caius, I would have warned you not to press this point if you had told me your thoughts,† Aro murmured. â€Å"Though the creatures think of themselves as werewolves, they are not. The more accurate name for them would be shape-shifters. The choice of a wolf form was purely chance. It could have been a bear or a hawk or a panther when the first change was made. You read "The Twilight Saga 4: Breaking Dawn 37. Contrivances" in category "Essay examples" These creatures truly have nothing to do with the Children of the Moon. They have merely inherited this skill from their fathers. It’s genetic – they do not continue their species by infecting others the way true werewolves do.† Caius glared at Aro with irritation and something more – an accusation of betrayal, maybe. â€Å"They know our secret,† he said flatly. Edward looked about to answer this accusation, but Aro spoke faster. â€Å"They are creatures of our supernatural world, brother. Perhaps even more dependent upon secrecy than we are; they can hardly expose us. Carefully, Caius. Specious allegations get us nowhere.† Caius took a deep breath and nodded. They exchanged a long, significant glance. I thought I understood the instruction behind Aro’s careful wording. False charges weren’t helping convince the watching witnesses on either side; Aro was cautioning Caius to move on to the next strategy. I wondered if the reason behind the apparent strain between the two ancients – Caius’s unwillingness to share his thoughts with a touch – was that Caius didn’t care about the show as much as Aro did. If the coming slaughter was so much more essential to Caius than an untarnished reputation. â€Å"I want to talk to the informant,† Caius announced abruptly, and turned his glare on Irina. Irina wasn’t paying attention to Caius and Aro’s conversation; her face was twisted in agony, her eyes locked on her sisters, lined up to die. It was clear on her face that she knew now her accusation had been totally false. â€Å"Irina,† Caius barked, unhappy to have to address her. She looked up, startled and instantly afraid. Caius snapped his fingers. Hesitantly, she moved from the fringes of the Volturi formation to stand in front of Caius again. â€Å"So you appear to have been quite mistaken in your allegations,† Caius began. Tanya and Kate leaned forward anxiously. â€Å"I’m sorry,† Irina whispered. â€Å"I should have made sure of what I was seeing. But I had no idea___† She gestured helplessly in our direction. â€Å"Dear Caius, could you expect her to have guessed in an instant something so strange and impossible?† Aro asked. â€Å"Any of us would have made the same assumption.† Caius flicked his fingers at Aro to silence him. â€Å"We all know you made a mistake,† he said brusquely. â€Å"I meant to speak of your motivations.† Irina waited nervously for him to continue, and then repeated, â€Å"My motivations?† â€Å"Yes, for coming to spy on them in the first place.† Irina flinched at the word spy. â€Å"You were unhappy with the Cullens, were you not?† She turned her miserable eyes to Carlisle’s face. â€Å"I was,† she admitted. â€Å"Because†¦ ?† Caius prompted. â€Å"Because the werewolves killed my friend,† she whispered. â€Å"And the Cullens wouldn’t stand aside to let me avenge him.† â€Å"The shape-shifters,† Aro corrected quietly. â€Å"So the Cullens sided with the shape-shifters against our own kind – against the friend of a friend, even,† Caius summarized. I heard Edward make a disgusted sound under his breath. Caius was ticking down his list, looking for an accusation that would stick. Irina’s shoulders stiffened. â€Å"That’s how I saw it.† Caius waited again and then prompted, â€Å"If you’d like to make a formal complaint against the shape-shifters – and the Cullens for supporting their actions – now would be the time.† He smiled a tiny cruel smile, waiting for Irina to give him his next excuse. Maybe Caius didn’t understand real families – relationships based on love rather than just the love of power. Maybe he overestimated the potency of vengeance. Irina’s jaw jerked up, her shoulders squared. â€Å"No, I have no complaint against the wolves, or the Cullens. You came here today to destroy an immortal child. No immortal child exists. This was my mistake, and I take full responsibility for it. But the Cullens are innocent, and you have no reason to still be here. I’m so sorry,† she said to us, and then she turned her face toward the Volturi witnesses. â€Å"There was no crime. There’s no valid reason for you to continue here.† Caius raised his hand as she spoke, and in it was a strange metal object, carved and ornate. This was a signal. The response was so fast that we all stared in stunned disbelief while it happened. Before there was time to react, it was over. Three of the Volturi soldiers leaped forward, and Irina was completely obscured by their gray cloaks. In the same instant, a horrible metallic screeching ripped through the clearing. Caius slithered into the center of the gray melee, and the shocking squealing sound exploded into a startling upward shower of sparks and tongues of flame. The soldiers leaped back from the sudden inferno, immediately retaking their places in the guard’s perfectly straight line. Caius stood alone beside the blazing remains of Irina, the metal object in his hand still throwing a thick jet of flame into the pyre. With a small clicking sound, the fire shooting from Caius’s hand disappeared. A gasp rippled through the mass of witnesses behind the Volturi. We were too aghast to make any noise at all. It was one thing to know that death was coming with fierce, unstoppable speed; it was another thing to watch it happen. Caius smiled coldly. â€Å"Now she has taken full responsibility for her actions.† His eyes flashed to our front line, touching swiftly on Tanya’s and Kate’s frozen forms. In that second I understood that Caius had never underestimated the ties of a true family. This was the ploy. He had not wanted Irina’s complaint; he had wanted her defiance. His excuse to destroy her, to ignite the violence that filled the air like a thick, combustible mist. He had thrown a match. The strained peace of this summit already teetered more precariously than an elephant on a tightrope. Once the fight began, there would be no way to stop it. It would only escalate until one side was entirely extinct. Our side. Caius knew this. So did Edward. â€Å"Stop them!† Edward cried out, jumping to grab Tanya’s arm as she lurched forward toward the smiling Caius with a maddened cry of pure rage. She couldn’t shake Edward off before Carlisle had his arms locked around her waist. â€Å"It’s too late to help her,† he reasoned urgently as she struggled. â€Å"Don’t give him what he wants!† Kate was harder to contain. Shrieking wordlessly like Tanya, she broke into the first stride of the attack that would end with everyone’s death. Rosalie was closest to her, but before Rose could clinch her in a headlock, Kate shocked her so violently that Rose crumpled to the ground. Emmett caught Kate’s arm and threw her down, then staggered back, his knees giving out. Kate rolled to her feet, and it looked like no one could stop her. Garrett flung himself at her, knocking her to the ground again. He bound his arms around hers, locking his hands around his own wrists. I saw his body spasm as she shocked him. His eyes rolled back in his head, but his hold did not break. â€Å"Zafrina,† Edward shouted. Kate’s eyes went blank and her screams turned to moans. Tanya stopped struggling. â€Å"Give me my sight back,† Tanya hissed. Desperately, but with all the delicacy I could manage, I pulled my shield even tighter against the sparks of my friends, peeling it back carefully from Kate while trying to keep it around Garrett, making it a thin skin between them. And then Garrett was in command of himself again, holding Kate to the snow. â€Å"If I let you up, will you knock me down again, Katie?† he whispered. She snarled in response, still thrashing blindly. â€Å"Listen to me, Tanya, Kate,† Carlisle said in a low but intense whisper. â€Å"Vengeance doesn’t help her now. Irina wouldn’t want you to waste your lives this way. Think about what you’re doing. If you attack them, we all die.† Tanya’s shoulders hunched with grief, and she leaned into Carlisle for support. Kate was finally still. Carlisle and Garrett continued to console the sisters with words too urgent to sound like comfort. And my attention returned to the weight of the stares that pressed down on our moment of chaos. From the corners of my eyes, I could see that Edward and everyone else besides Carlisle and Garrett were on their guard again as well. The heaviest glare came from Caius, staring with enraged disbelief at Kate and Garrett in the snow. Aro was watching the same two, incredulity the strongest emotion on his face. He knew what Kate could do. He had felt her potency through Edward’s memories. Did he understand what was happening now – did he see that my shield had grown in strength and subtlety far beyond what Edward knew me to be capable of? Or did he think Garrett had learned his own form of immunity? The Volturi guard no longer stood at disciplined attention – they were crouched forward, waiting to spring the counterstrike the moment we attacked. Behind them, forty-three witnesses watched with very different expressions than the ones they’d worn entering the clearing. Confusion had turned to suspicion. The lightning-fast destruction of Irina had shaken them all. What had been her crime? Without the immediate attack that Caius had counted on to distract from his rash act, the Volturi witnesses were left questioning exactly what was going on here. Aro glanced back swiftly while I watched, his face betraying him with one flash of vexation. His need for an audience had backfired badly. I heard Stefan and Vladimir murmur to each other in quiet glee at Aro’s discomfort. Aro was obviously concerned with keeping his white hat, as the Romanians had put it. But I didn’t believe that the Volturi would leave us in peace just to save their reputation. After they finished with us, surely they would slaughter their witnesses for that purpose. I felt a strange, sudden pity for the mass of the strangers the Volturi had brought to watch us die. Demetri would hunt them until they were extinct, too. For Jacob and Renesmee, for Alice and Jasper, for Alistair, and for these strangers who had not known what today would cost them, Demetri had to die. Aro touched Caius’s shoulder lightly. â€Å"Irina has been punished for bearing false witness against this child.† So that was to be their excuse. He went on. â€Å"Perhaps we should return to the matter at hand?† Caius straightened, and his expression hardened into unreadability. He stared forward, seeing nothing. His face reminded me, oddly, of a person who’d just learned he’d been demoted. Aro drifted forward, Renata, Felix, and Demetri automatically moving with him. â€Å"Just to be thorough,† he said, â€Å"I’d like to speak with a few of your witnesses. Procedure, you know.† He waved a hand dismissively. Two things happened at once. Caius’s eyes focused on Aro, and the tiny cruel smile came back. And Edward hissed, his hands balling up in fists so tight it looked like the bones in his knuckles would split through his diamond-hard skin. I was desperate to ask him what was going on, but Aro was close enough to hear even the quietest breath. I saw Carlisle glance anxiously at Edward’s face, and then his own face hardened. While Caius had blundered through useless accusations and injudicious attempts to trigger the fight, Aro must have been coming up with a more effective strategy. Aro ghosted across the snow to the far western end of our line, stopping about ten yards from Amun and Kebi. The nearby wolves bristled angrily but held their positions. â€Å"Ah, Amun, my southern neighbor!† Aro said warmly. â€Å"It has been so long since you’ve visited me.† Amun was motionless with anxiety, Kebi a statue at his side. â€Å"Time means little; I never notice its passing,† Amun said through unmoving lips. â€Å"So true,† Aro agreed. â€Å"But maybe you had another reason to stay away?† Amun said nothing. â€Å"It can be terribly time-consuming to organize newcomers into a coven. I know that well! I’m grateful I have others to deal with the tedium. I’m glad your new additions have fit in so well. I would have loved to have been introduced. I’m sure you were meaning to come to see me soon.† â€Å"Of course,† Amun said, his tone so emotionless that it was impossible to tell if there was any fear or sarcasm in his assent. â€Å"Oh well, we’re all together now! Isn’t it lovely?† Amun nodded, his face blank. â€Å"But the reason for your presence here is not as pleasant, unfortunately. Carlisle called on you to witness?† â€Å"Yes.† â€Å"And what did you witness for him?† Amun spoke with the same cold lack of emotion. â€Å"I’ve observed the child in question. It was evident almost immediately that she was not an immortal child – â€Å" â€Å"Perhaps we should define our terminology,† Aro interrupted, â€Å"now that there seem to be new classifications. By immortal child, you mean of course a human child who had been bitten and thus transformed into a vampire.† â€Å"Yes, that’s what I meant.† â€Å"What else did you observe about the child?† â€Å"The same things that you surely saw in Edward’s mind. That the child is his biologically. That she grows. That she learns.† â€Å"Yes, yes,† Aro said, a hint of impatience in his otherwise amiable tone. â€Å"But specifically in your few weeks here, what did you see?† Amun’s brow furrowed. â€Å"That she grows†¦ quickly.† Aro smiled. â€Å"And do you believe that she should be allowed to live?† A hiss escaped my lips, and I was not alone. Half the vampires in our line echoed my protest. The sound was a low sizzle of fury hanging in the air. Across the meadow, a few of the Volturi witnesses made the same noise. Edward stepped back and wrapped a restraining hand around my wrist. Aro did not turn to the noise, but Amun glanced around uneasily. â€Å"I did not come to make judgments,† he equivocated. Aro laughed lightly. â€Å"Just your opinion.† Amun’s chin lifted. â€Å"I see no danger in the child. She learns even more swiftly than she grows.† Aro nodded, considering. After a moment, he turned away. â€Å"Aro?† Amun called. Aro whirled back. â€Å"Yes, friend?† â€Å"I gave my witness. I have no more business here. My mate and I would like to take our leave now.† Aro smiled warmly. â€Å"Of course. I’m so glad we were able to chat for a bit. And I’m sure we’ll see each other again soon.† Amun’s lips were a tight line as he inclined his head once, acknowledging the barely concealed threat. He touched Kebi’s arm, and then the two of them ran quickly to the southern edge of the meadow and disappeared into the trees. I knew they wouldn’t stop running for a very long time. Aro was gliding back along the length of our line to the east, his guards hovering tensely. He stopped when he was in front of Siobhan’s massive form. â€Å"Hello, dear Siobhan. You are as lovely as ever.† Siobhan inclined her head, waiting. â€Å"And you?† he asked. â€Å"Would you answer my questions the same way Amun has?† â€Å"I would,† Siobhan said. â€Å"But I would perhaps add a little more. Renesmee understands the limitations. She’s no danger to humans – she blends in better than we do. She poses no threat of exposure.† â€Å"Can you think of none?† Aro asked soberly. Edward growled, a low ripping sound deep in his throat. Caius’s cloudy crimson eyes brightened. Renata reached out protectively toward her master. And Garrett freed Kate to take a step forward, ignoring Kate’s hand as she tried to caution him this time. Siobhan answered slowly, â€Å"I don’t think I follow you.† Aro drifted lightly back, casually, but toward the rest of his guard. Renata, Felix, and Demetri were closer than his shadow. â€Å"There is no broken law,† Aro said in a placating voice, but every one of us could hear that a qualification was coming. I fought back the rage that tried to claw its way up my throat and snarl out my defiance. I hurled the fury into my shield, thickening it, making sure everyone was protected. â€Å"No broken law,† Aro repeated. â€Å"However, does it follow then that there is no danger? No.† He shook his head gently. â€Å"That is a separate issue.† The only response was the tightening of already stretched nerves, and Maggie, at the fringes of our band of fighters, shaking her head with slow anger. Aro paced thoughtfully, looking as if he floated rather than touched the ground with his feet. I noticed every pass took him closer to the protection of his guard. â€Å"She is unique†¦ utterly, impossibly unique. Such a waste it would be, to destroy something so lovely. Especially when we could learn so much .. .† He sighed, as if unwilling to go on. â€Å"But there is danger, danger that cannot simply be ignored.† No one answered his assertion. It was dead silent as he continued in a monologue that sounded as if he spoke it for himself only. â€Å"How ironic it is that as the humans advance, as their faith in science grows and controls their world, the more free we are from discovery. Yet, as we become ever more uninhibited by their disbelief in the supernatural, they become strong enough in their technologies that, if they wished, they could actually pose a threat to us, even destroy some of us. â€Å"For thousands and thousands of years, our secrecy has been more a matter of convenience, of ease, than of actual safety. This last raw, angry century has given birth to weapons of such power that they endanger even immortals. Now our status as mere myth in truth protects us from these weak creatures we hunt. â€Å"Thisamazingchild† – he lifted his hand palm down as if to rest it on Renesmee, though he was forty yards from her now, almost within the Volturi formation again – â€Å"if we could but know her potential – know with absolute certainty that she could always remain shrouded within the obscurity that protects us. But we know nothing of what she will become! Her own parents are plagued by fears of her future. We cannot know what she will grow to be.† He paused, looking first at our witnesses, and then, meaningfully, at his own. His voice gave a good imitation of sounding torn by his words. Still looking at his own witnesses, he spoke again. â€Å"Only the known is safe. Only the known is tolerable. The unknown is†¦ a vulnerability.† Caius’s smile widened viciously. â€Å"You’re reaching, Aro,† Carlisle said in a bleak voice. â€Å"Peace, friend.† Aro smiled, his face as kind, his voice as gentle, as ever. â€Å"Let us not be hasty. Let us look at this from every side.† â€Å"May I offer a side to be considered?† Garrett petitioned in a level tone, taking another step forward. â€Å"Nomad,† Aro said, nodding in permission. Garrett’s chin lifted. His eyes focused on the huddled mass at the end of the meadow, and he spoke directly to the Volturi witnesses. â€Å"I came here at Carlisle’s request, as the others, to witness,† he said. â€Å"That is certainly no longer necessary, with regard to the child. We all see what she is. â€Å"I stayed to witness something else. You.† He jabbed his finger toward the wary vampires. â€Å"Two of you I know – Makenna, Charles – and I can see that many of you others are also wanderers, roamers like myself. Answering to none. Think carefully on what I tell you now. ‘These ancient ones did not come here for justice as they told you. We suspected as much, and now it has been proved. They came, misled, but with a valid excuse for their action. Witness now as they seek flimsy excuses to continue their true mission. Witness them struggle to find a justification for their true purpose – to destroy this family here.† He gestured toward Carlisle and Tanya. â€Å"The Volturi come to erase what they perceive as the competition. Perhaps, like me, you look at this clan’s golden eyes and marvel. They are difficult to understand, it’s true. But the ancient ones look and see something besides their strange choice. They see power. â€Å"I have witnessed the bonds within this family – I say family and not coven. These strange golden-eyed ones deny their very natures. But in return have they found something worth even more, perhaps, than mere gratification of desire? I’ve made a little study of them in my time here, and it seems to me that intrinsic to this intense family binding – that which makes them possible at all – is the peaceful character of this life of sacrifice. There is no aggression here like we all saw in the large southern clans that grew and diminished so quickly in their wild feuds. There is no thought for domination. And Aro knows this better than I do.† I watched Aro’s face as Garrett’s words condemned him, waiting tensely for some response. But Aro’s face was only politely amused, as if waiting for a tantrum-throwing child to realize that no one was paying attention to his histrionics. â€Å"Carlisle assured us all, when he told us what was coming, that he did not call us here to fight. These witnesses† – Garrett pointed to Siobhan and Liam – â€Å"agreed to give evidence, to slow the Volturi advance with their presence so that Carlisle would get the chance to present his case. â€Å"But some of us wondered† – his eyes flashed to Eleazars face – â€Å"if Carlisle having truth on his side would be enough to stop the so-called justice. Are the Volturi here to protect the safety of our secrecy, or to protect their own power? Did they come to destroy an illegal creation, or a way of life? Could they be satisfied when the danger turned out to be no more than a misunderstanding? Or would they push the issue without the excuse of justice? â€Å"We have the answer to all these questions. We heard it in Aro’s lying words – we have one with a gift of knowing such things for certain – and we see it now in Caius’s eager smile. Their guard is just a mindless weapon, a tool in their masters’ quest for domination. â€Å"So now there are more questions, questions that you must answer. Who rules you, nomads? Do you answer to someone’s will besides your own? Are you free to choose your path, or will the Volturi decide how you will live? â€Å"I came to witness. I stay to fight. The Volturi care nothing for the death of the child. They seek the death of our free will.† He turned, then, to face the ancients. â€Å"So come, I say! Let’s hear no more lying rationalizations. Be honest in your intents as we will be honest in ours. We will defend our freedom. You will or will not attack it. Choose now, and let these witnesses see the true issue debated here.† Once more he looked to the Volturi witnesses, his eyes probing each face. The power of his words was evident in their expressions. â€Å"You might consider joining us. If you think the Volturi will let you live to tell this tale, you are mistaken. We may all be destroyed† – he shrugged – â€Å"but then again, maybe not. Perhaps we are on more equal footing than they know. Perhaps the Volturi have finally met their match. I promise you this, though – if we fall, so do you.† He ended his heated speech by stepping back to Kate’s side and then sliding forward in a half-crouch, prepared for the onslaught. Aro smiled. â€Å"Avery pretty speech, my revolutionary friend.† Garrett remained poised for attack. â€Å"Revolutionary?† he growled. â€Å"Who am I revolting against, might I ask? Are you my king? Do you wish me to call you master, too, like your sycophantic guard?† â€Å"Peace, Garrett,† Aro said tolerantly. â€Å"I meant only to refer to your time of birth. Still a patriot, I see.† Garrett glared back furiously. â€Å"Let us ask our witnesses,† Aro suggested. â€Å"Let us hear their thoughts before we make our decision. Tell us, friends† – and he turned his back casually on us, moving a few yards toward his mass of nervous observers hovering even closer now to the edge of the forest – â€Å"what do you think of all this? I can assure you the child is not what we feared. Do we take the risk and let the child live? Do we put our world in jeopardy to preserve their family intact? Or does earnest Garrett have the right of it? Will you join them in a fight against our sudden quest for dominion?† The witnesses met his gaze with careful faces. One, a small black-haired woman, looked briefly at the dark blond male at her side. â€Å"Are those our only choices?† she asked suddenly, gaze flashing back to Aro. â€Å"Agree with you, or fight against you?† â€Å"Of course not, most charming Makenna,† Aro said, appearing horrified that anyone could come to that conclusion. â€Å"You may go in peace, of course, as Amun did, even if you disagree with the council’s decision.† Makenna looked at her mate’s face again, and he nodded minutely. â€Å"We did not come here for a fight.† She paused, exhaled, then said, â€Å"We came here to witness. And our witness is that this condemned family is innocent. Everything that Garrett claimed is the truth.† â€Å"Ah,† Aro said sadly. â€Å"I’m sorry you see us in that way. But such is the nature of our work.† â€Å"It is not what I see, but what I feel,† Makenna’s maize-haired mate spoke in a high, nervous voice. He glanced at Garrett. â€Å"Garrett said they have ways of knowing lies. I, too, know when I am hearing the truth, and when I am not.† With frightened eyes he moved closer to his mate, waiting for Aro’s reaction. â€Å"Do not fear us, friend Charles. No doubt the patriot truly believes what he says,† Aro chuckled lightly, and Charles’s eyes narrowed. â€Å"That is our witness,† Makenna said. â€Å"We’re leaving now.† She and Charles backed away slowly, not turning before they were lost from view in the trees. One other stranger began to retreat the same way, then three more darted after him. I evaluated the thirty-seven vampires that stayed. A few of them appeared just too confused to make the decision. But the majority of them seemed only too aware of the direction this confrontation had taken. I guessed that they were giving up a head start in favor of knowing exactly who would be chasing after them. I was sure Aro saw the same thing I did. He turned away, walking back to his guard with a measured pace. He stopped in front of them and addressed them in a clear voice. â€Å"We are outnumbered, dearest ones,† he said. â€Å"We can expect no outside help. Should we leave this question undecided to save ourselves?† â€Å"No, master,† they whispered in unison. â€Å"Is the protection of our world worth perhaps the loss of some of our number?† â€Å"Yes,† they breathed. â€Å"We are not afraid.† Aro smiled and turned to his black-clad companions. â€Å"Brothers,† Aro said somberly, â€Å"there is much to consider here.† â€Å"Let us counsel,† Caius said eagerly. â€Å"Let us counsel,† Marcus repeated in an uninterested tone. Aro turned his back to us again, facing the other ancients. They joined hands to form a black-shrouded triangle. As soon as Aro’s attention was engaged in the silent counsel, two more of their witnesses disappeared silently into the forest. I hoped, for their sakes, that they were fast. This was it. Carefully, I loosened Renesmee’s arms from my neck. â€Å"You remember what I told you?† Tears welled in her eyes, but she nodded. â€Å"I love you,† she whispered. Edward was watching us now, his topaz eyes wide. Jacob stared at us from the corner of his big dark eye. â€Å"I love you, too,† I said, and then I touched her locket. â€Å"More than my own life.† I kissed her forehead. Jacob whined uneasily. I stretched up on my toes and whispered into his ear. â€Å"Wait until they’re totally distracted, then run with her. Get as far from this place as you possibly can. When you’ve gone as far as you can on foot, she has what you need to get you in the air.† Edward’s and Jacob’s faces were almost identical masks of horror, despite the fact that one of them was an animal. Renesmee reached for Edward, and he took her in his arms. They hugged each other tightly. â€Å"This is what you kept from me?† he whispered over her head. â€Å"From Aro,† I breathed. â€Å"Alice?† I nodded. His face twisted with understanding and pain. Had that been the expression on my face when I’d finally put together Alice’s clues? Jacob was growling quietly, a low rasp that was as even and unbroken as a purr. His hackles were stiff and his teeth exposed. Edward kissed Renesmee’s forehead and both her cheeks, then he lifted her to Jacob’s shoulder. She scrambled agilely onto his back, pulling herself into place with handfuls of his fur, and fit herself easily into the dip between his massive shoulder blades. Jacob turned to me, his expressive eyes full of agony, the rumbling growl still grating through his chest. â€Å"You’re the only one we could ever trust her with,† I murmured to him. â€Å"If you didn’t love her so much, I could never bear this. I know you can protect her, Jacob.† He whined again, and dipped his head to butt it against my shoulder. â€Å"I know,† I whispered. â€Å"I love you, too, Jake. You’ll always be my best man.† A tear the size of a baseball rolled into the russet fur beneath his eye. Edward leaned his head against the same shoulder where he’d placed Renesmee. â€Å"Goodbye, Jacob, my brother†¦ my son.† The others were not oblivious to the farewell scene. Their eyes were locked on the silent black triangle, but I could tell they were listening. â€Å"Is there no hope, then?† Carlisle whispered. There was no fear in his voice. Just determination and acceptance. â€Å"There is absolutely hope,† I murmured back. It could be true, I told myself. â€Å"I only know my own fate.† Edward took my hand. He knew that he was included. When I said my fate, there was no question that I meant the two of us. We were just halves of the whole. Esme’s breath was ragged behind me. She moved past us, touching our faces as she passed, to stand beside Carlisle and hold his hand. Suddenly, we were surrounded by murmured goodbyes and I love you’s. â€Å"If we live through this,† Garrett whispered to Kate, â€Å"I’ll follow you anywhere, woman.† â€Å"Now he tells me,† she muttered. Rosalie and Emmett kissed quickly but passionately. Tia caressed Benjamin’s face. He smiled back cheerfully, catching her hand and holding it against his cheek. I didn’t see all the expressions of love and pain. I was distracted by a sudden fluttering pressure against the outside of my shield. I couldn’t tell where it came from, but it felt like it was directed at the edges of our group, Siobhan and Liam particularly. The pressure did no damage, and then it was gone. There was no change in the silent, still forms of the counseling ancients. But perhaps there was some signal I’d missed. â€Å"Get ready,† I whispered to the others. â€Å"It’s starting.† How to cite The Twilight Saga 4: Breaking Dawn 37. Contrivances, Essay examples

Overview of Project

Question: Give a brief overview of project, main aim of project, potential findings and conclusions. Answer: Free-area optical correspondence is an optical correspondence innovation that utilizations gentle engendering in free area to remotely transmit expertise for knowledge transfers or computer organizing. "Free area" implies air, space, vacuum, or something comparative. This stands out from utilizing solids, for illustration, optical fiber hyperlink or an optical transmission line. The innovation is priceless the place the bodily associations are unrealistic given that of excessive costs or extraordinary contemplations. At the off hazard that the vitality supply does now not offer an properly parallel shaft to venture to each a part of the required separation, collimation will have to be feasible with lenses. at the supply, the plain or IR energy is balanced with the understanding to be transmitted. At the vacation spot, the pillar is caught via a photo detector, the information is extricated from the unmistakable or IR shaft (demodulated), and the subsequent signal is opened up and dis patched to the gadget. FSO frameworks can work over separations of a few kilometers. For a few element size of time that there is an unmistakable viewable pathway among the supply and the destination, correspondence is hypothetically conceivable. Regardless of the probability that there's no instantaneous viewable pathway, intentionally primarily based mirrors may be utilized to reflect the vitality. The shafts can cross by way of manner of glass domestic home windows with nearly no constriction. Introduction FSO is a major pathway development that makes use of lasers to offer optical documents transmission foundations or FSO is an optical correspondence approach that incite the light in unfastened habitation infers air, district, vacuum, or anything like remotely transmit information for telecom what's in addition, computer frameworks administration. Optical interchanges, in different constructions, have been utilized for a best many years. The ancient Greeks utilized a coded alphabetic association of motioning with lights created via Cleoxenus, Democleitus and Polybius. Within the leading edge interval, semaphores and far off sun oriented publicizes referred to as heliographs were produced, utilizing coded indicators to converse with their beneficiaries. In 1880 Alexander Graham Bell and his proper hand Charles Sumner Tainter made the Photo-phone, at Bell's just lately settled Volta Laboratory in Washington, DC. Chime idea of it as his most central innovation. The machine took under con sideration the transmission of sound on a light emission. On June 3, 1880, Bell led the sector's first far flung mobile phone transmission between two structures, about 213 meters aside. Its first down to earth use got here in army correspondence frameworks countless decades later, first for optical telegraphy. German frontier troops utilized Heliograph telegraphy transmitters amid the 1904/05 Herero Genocide in German South-West Africa (contemporary Namibia) as did British, French, US or Ottoman signs. FSO correspondence is visible as a differentiating distinctive choice to radio hand-off association perceptible pathway correspondence buildings. This aspect is core of consideration on flooring-to-floor unfastened residence laser trades. FSO factors are involve 3 tiers: transmitter to deliver of optical radiation by way of the surroundings conforms to the Beer-Lamberts`s law, loose subject transmission divert wherein exist the turbulent whirls and beneficiary to address the offered sign. Normal associations are between 300 m furthermore, five km, even though more detachments can likewise be exceeded on, as an instance, 8eleven km are viable relying upon the charge an d required openness (Burris, H. (2006)). The rate of this stage is to present the FSO contraption systematic. Literature review Optical information transmission on earth is more often than not performed by using the use of optical filaments, in light of the truth that these allow the transmission over reasonably large separations without unreasonable force misfortunes, arrangement troubles, and irritating affects of the surroundings. Be that as it may, it's far likewise possible to transmit understanding optically through way of free house (or additionally, via water), now not misusing any variety of waveguide structure. This style of optical correspondences has early birthplaces, e.g. The "image cell" patent through Alexander Graham Bell within the 1870s (Giggenbach, D. (2008)) and the optical broadcast and is currently step by step applied, every in vicinity and on the planet. For likely the most part, it requires an unhampered observable pathway amongst sender and beneficiary, and generally likewise some centered loose-residence optics, for instance, telescopes. The light supply utilized is this modern nea rly continuously a few form of laser (conceivably joined with a speaker), since the excessive directionality of a laser shaft is manifestly a precious component for superior interchanges. The seen a part of a laser is accentuated by manner of the term laser interchanges (Ozek, F. (2001)). Unfastened-place optical correspondence frameworks have created therefore to a organizing requirement for quick and faucet-proof correspondence frameworks. Joins consisting of satellites, profound space tests, ground stations, unmanned airy motors, excessive elevation tiers, flying machine, and other itinerant correspondence accomplices are of all of the manner all the way down to earth interest. Except, all connections can also be applied as a part of both navy and common citizen settings. FSO is the subsequent outskirts for net-driven availability, as statistics transmission, variety and protection troubles aid its desire as a unique to radio recurrence interchanges (Tang, J. (1994)). At the equal time settled FSO joins among buildings have long been installed and in nowadays shape an extra alternate object part in close by and metropolitan area structures, the transportable and long-run uses of this innovation are disturbed through first-class requirements for indicating and follo wing exactness because of the little optical pillar divergences incorporated. This takes a look at need to be tended to absolutely abuse the blessings of optical connections. Further, entire deal optical connections through the environment expertise the unwell consequences of solid blurring due to listing of-refraction turbulence and grow to be a member of blockage with the resource of obscuration, as an example, mists, snow and rain. Indexed right here a diagram of the problems a framework creator wishes to react to while executing a FSO framework is given. Common increases and misfortunes alongside the way from the transmitter with the aid of way of the medium (Giggenbach, D. (2008)), to the collector are supplied in this text. A few consequences regarding the subjective parameters of the connections and measurable attributes of the air are portrayed. A greater nitty gritty examination and additional knowledge on these topics will also be found in papers on this distinct obstacle of the Radio engineering magazine. Research questions aspect and sub-goals FSO incorporates three sections: transmitter, free range transmitted channel apparent pathway, and beneficiary. Transmitter is taken into consideration as an optical provide 1-laser diode or 2-mellow liberating diode to transmit of optical radiation with the resource of system for system for the air takes after the BeerLamberts' enactment. The deision of a laser hotspot for FSO capacities depends upon on upon one inside the whole component approximately type factors. it's miles major that the transmission wavelength is recognized with potential likely the maximum barometrical home windows. As referred to some time these days, exclusive barometrical home windows are spherical 850 nm and 1550 nm in the shorter IR wavelength collection. Within the more IR appalling variety, pair wavelength domestic windows are reachable among three to 5 micrometers what more noteworthy, eight14 micrometers is. Over the prolonged haul, the provision of accurate mellow assets in those more distinguished d rawn out wavelength tiers is fully confined on the acclaim minute (Nistazakis, H., Tsiftsis, T. and Tombras, G. (2009).). Except, maximum extreme assets require low temperature cooling, which obliges their use in exquisite trade telecom features. Specific elements that have an effect on the usage of a sure light supply consist of of the accompanying pastimes: Fee and openness of giant industry quantities Transmission energy Lifetime Modulation limits Eye insurance Bodily estimations Compatibility with a range of transmission media, for case, fiber. Mathematical model of atmospheric turbulence The ecological choking is likely one of the challenges of the FSO divert that may spark off signal adversity and organization misery. The atmosphere chokes the light wave and likewise distorts what's extra noteworthy, bends it. Transmitted weight of the emanated sign is strikingly affected via scattering and turbulence ponders. Debilitating is primarily the eventual final result of ingestion and diffusing with the advisor of method for iotas and particles suspended within nature. Reshaping, in any case, is brought on by the use of barometrical turbulence due to the fact that of archive of refraction amendment. Choking influences the advice estimation (Sharma, M., Chadha, D. and Chandra, V. (2015)) of the obtained register an optical association youngsters that bowing affects in kind of the sign all through the recommend. Pressurized canned objects are particles suspended within the local local weather with distinct obsessions. They've diversified nature, frame, and size. Vaporizers can move in allocation, delivered materials, and focus. For that reason of this, the connection among vaporizers and soft could have an robust factor of curiosity, as far as wavelength extent of leisure exercise and value of the climatic spreading itself. On report that the huge lion's share of the pressurized canned inventory are made at the world's flooring, the greater centralization of fog concentrates is within the confinement layer. Over the point of confinement layer, airborne obsession speedily reduces. At higher ascents, on report that of air workout schedules and the coordination strive of winds, vaporized mindfulness is by means of using all debts spatially uniform and further self enough of the field territory. Diffusing is the primary participation amongst pressurized canned stock and an inciting shaft (Urabe, H. (2012)). Given that that the sizes of the vaporized rubbish are just like the wavelength of energy for optical correspondences, Mie diffusing hypothesis is applied to depict vaporized dissipating. Such a hypothesis comes to a decision, to the point that the scrambling coefficient of fog concentrates is a component of the fog focuses, their duration task, cross phase, thickness, and wavelength of operation. The exceptional varieties of barometrical components' sizes and groupings of the number of forms of climatic parts (Wallmeroth, K., Wandernoth, B., Franz, J., Meier, H. and Schorp, B. (1990)). Exerimental set-up The certainties signal adjusts the sphere brought via way of approach for method for the optical give. The balanced optical test then factors via a loose-location course ahead of time than stepping into touch at the gatherer. in the recipient point of view, transmitted records perceives speak operations i.e., photograph discoverer adjustments over the optical flag all a few other time into an electrical agreement as regarded in advance than father or mother. In that ability, a gatherer on the flip problem of the enterprise accumulates the moderate using lenses and/or mirrors. Gotten sign modified over as brief as another time into fiber or cooper and recognized with the approach. Result outcome and relevance The ability were given to be taken from the Civil Aviation and Meteorology Authority and the Yemeni Meteorological guarantor. The work includes the exam of that proper know-how. The reason right here is to communicate with reference to the relationship for figuring the alternate, SNR, and BER for an quantity of parameters. We used the wavelengths of 850, a thousand, and 1550 nm. Desirous about consideration used to famed to the 1550 nm wavelength for the reason that it's far maximum most of the time associated because the 0.33 window of optical correspondence spine joins. Additionally, being likely state-of-the-art to a few thing obvious wavelengths, the human retina absolutely and the sections of the eye by means of using and sizeable are bounty less fragile to the 1550 nm wavelength. In the long run, this wavelength is turning into for eye health. Apprehend 30 speaks to the log vigor modifications as an opportunity than the agency collection between transmitter moreover, gatherer f or three estimations of wavelengths. The log energy fluctuation is predicated on upon the (Xiaoming Zhu, and Kahn, J. (2002)) wavelength and extensions with the multiplication partition. Thinking about the reality that the transmission range increases the opposite (barometrical turbulence) raises as best. For a 2000 m transmission amplify, the honor is cycle 0.17 for the wavelength of 850 nm, zero.12 for one thousand nm, and 0.1/2 for 1550 nm. For a 4000 m transmission move, the vacillation is cycle zero.56 for 850 nm, 0.42 for 1000 nm, and 0.25 for 1550 nm. Those outcomes showcase that the utilization of a wavelength of 1550 nm can decrease the change "ecological turbulence" sway at the FSO constructions. The connection most of the many pole spreading on a detachment l from the transmitter if there will should be a predominance of ecological turbulence and at the off risk that without barometrical turbulence. The spot dimension of the bar at the transmitted ranges with zero.008 m. on the partition 250 m, the spot measurement of the bar is = 0.05 m if there must emerge a pervasiveness of missing turbulence and eff = 0.4 m in the event of turbulences. On the partition 5000 m, the = zero.31 m and eff = 0.33 m (Urabe, H. (2012).). From the above unique results, we purpose that the advancement of the spot size of the pole is based on the partition among sender and beneficiary, and on the climatic unfastened house Optical Communications hypothesis and Practices turbulence nearby the transmission range as affirmed. The higher the turbulence is, the in addition major the augmentation of the column estimation is the SNR versus the transmission volume of zero to 4500 m. As the relationship variety between the transmitter and authority grows, the SNR lessens (Kazemlou, S., Hranilovic, S. and Kumar, S. (2011)). From the outcomes obtained, we surmise that to increase the execution of the FSO transmission strategies, it is recommended to truncate the relationship variety amongst transmitter and beneficiary. However an extra trade of the signal great furnished through the FSO structures consolidates the usage of the 1550 nm wavelength. The SNR of FSO structures with 1550 nm wavelength are large than that assessing to 100 0 and 850 nm wavelengths. To decrease the air turbulence results for FSO packages, we exhort utilizing the 1550 nm wavelength. Similarly, for the 1550 nm wavelength, the extraordinary weight is to a peculiar degree greater stood out from more diminutive wavelengths. This famous the method works wonderful within the course of heavier diminishing of the air given that we can adequately collect vigor to provide (Kong, Y. and Wang, C. (2007)). Project planning and Gantt chart Conclusion As of past due, telecom and pc techniques administration are moving toward optics communication. For the reason that the sunshine is the frenzy medium to transmit, the enormous records, It's miles cost effective, adaptability, brisk sending, and the guarantee of optical expertise transfer potential. FSO is considered as opportunity decision that can be utilized as a pretty correct answer for broadband short separation applications. Be that as it ought to, transportable directors want to utilize this innovation to short separation joins. In this section, we rapidly provided the guidelines of FSO innovation, numerical methodology of this approach. Affordable component, we take the ecosystem impacts for association of FSO in Yemeni nearby as a contextual investigation. We have concentrated on in factor of interest the combination constriction impacting FSO frameworks. The mixture constriction for this crisis gain knowledge of relies upon on upon two parameters: disseminating and geometric misfortunes. This work became thinking about two distinct outlines as confirmed. These effects validated that when the connection range, dissimilarity facet, and transmitter hole have been increasing, the geometric misfortune improved as desirable. Be that as it is going to, we determined that geo metric misfortune faded with the growing of the recipient hole distance throughout. Absolute constriction furthermore improved with expanding of the separation be a part of, low perceivability, and with diminishing of the wavelength. It was once moreover verified that the affect of precipitation at the FSO framework execution became small to the component that we're able to omit it. All in all, FSO execution was once horrible in Taiz at the low deceivability contrasted with Sana'a and Aden. Be that as it's going to, within the common deceivability, the FSO execution became fantastic in 3 city areas. References Arnon, S. (1997). Performance limitations of free-space optical communication satellite networks due to vibrationsanalog case. Optical Engineering, 36(1), p.175. Arnon, S. (1997). Performance limitations of free-space optical communication satellite networks due to vibrations: direct detection digital mode. 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Kedar, D. (2009). Subsea ultraviolet solar-blind broadband free-space optics communication. Optical Engineering, 48(4), p.046001. Kim, K. (2011). Spectral model of optical scintillation for terrestrial free-space optical communication link design. Optical Engineering, 50(3), p.035005. Kong, Y. and Wang, C. (2007). Double-cladding Yb3+ fiber for free-space optical communication. Microwave and Optical Technology Letters, 49(4), pp.889-892. Kumar, N. and Sohal, H. (2014). Impact of Various Weather Condition on the Performance of Free Space Optical Communication System. Journal of Optical Communications, 35(1). Nistazakis, H., Tsiftsis, T. and Tombras, G. (2009). Performance analysis of free-space optical communication systems over atmospheric turbulence channels. IET Commun., 3(8), p.1402. Ozek, F. (2001). Potential Application of Laser Diodes to Free Space Optical Communication Between Mobile On-Sea Terminals. Phys. Scr., 63(6), pp.475-478. Sharma, M., Chadha, D. and Chandra, V. (2015). 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One Hundred Years Of Solitude Essays (1610 words) - Thousand Cranes

One Hundred Years of Solitude Since the beginning of time, man has clung to the notion that there exists some external force that determines his destiny. In Grecian times, the epic poet Hesoid wrote of a triumvirate of mythological Fates that supposedly gave "to men at birth evil and good to have". In other words, these three granted man his destiny. Clotho "spun the thread of life", Lacheis distributed the lots, and Atropos with his "abhorred shears" would "cut the thread at death"(Hamilton-43). All efforts to avoid the Fates were in vain. In every case their sentence would eventually be delivered. And it appears that once the Fates' ballot had been cast, the characters in Greek myths had no chance for redemption. One must wonder if man, like the Greeks portrayed, has any real choice in determining how he lives. That issue of choice arises when comparing Gabriel Marquez's One Hundred Years of Solitude and Yasunari Kawabata's Thousand Cranes. The men in Yasunari Kawabata's Thousand Cranes and Gabriel Garcia Marquez's One Hundred Years of Solitude forever seem to be repeating the lives of their male ancestors. These cycles reveal that man as a being, just like the mythological heros, has no true choice in the ultimate course his life will take. The male characters' personal development is overshadowed by the identity of their ancestors. Clotho, it appears, has recycled some of her spinning thread. The new male generations, superficially, are perceived to be woven of like design. Kikuji Mitani and the male Buendia's face communities that remember their ancestors. As a result, their unique communities inadvertently compare the actions of the sons to their respective fathers', having recognized the apparent similarities. Eclipsed by his father's aura, within his village, Kikuji's identity has no separate definition. To most townsfolk, like those at Chikako's tea ceremony, Kikuji exists as "Old Mr. Mitani's son"(16). He and his father are therefore viewed as essentially the same person. Kikuji can take no action to change the village's preformed perception. In contrast, The Aurelianos and Jose Arcadios have been set into a self that their name, not their upbringing, dictate. Ursula, after many years drew some conclusions about "the insistent repetition of names"(106) within the Buendia family. While the eldest Jose Arcadio Buendia was slightly crazy, his raw maleness is transferred to all the Jose Arcadio's that follow. They tended to be "impulsive and enterprising" though "marked with a tragic sign"(186). On the other hand, the Aurelianos, corresponding to the open-eyed Colonel, seem to be "indifferent"(15) and "withdrawn"(186) yet sparked with a "fearless curiosity"(15). The Aurelianos' tendency towards solitude that shut the Colonel away in his later years, would generations later, give his distant descendant Aureliano Babilonia the stamina to decipher Melquiades scriptures(422). Together, this perfunctory family tradition seemed to influence the course these men's live's would take in the same way that Kikuji's perception by his community lopped him into the path of his father. And just as Kikuji could not change the villages preformed opinions, the named Buendia males can have no hand in changing their given characters. The men's selection of lovers, in turn, continues to perpetuate their cycle of behavior shared with their relatives. Despite warnings, Kikuji Mitani and the Buendia men engage in hazardous sexual activity that harbors grave consequences. Lacheis' lots, in this case, are inevitable. Choice and independent action are impossible for these men since Lacheis has distributed the familial key to their female attractions. There is an eerie twist in Kikuji's Mitani's love affairs with his father's mistress and her daughter. His first encounter with Mrs. Ota leaves Kikuji suspicious of the affair where agewise, "Mrs. Ota was at least forty-five , some twenty years older than Kikuji"(28). However, despite the generation gap, during their encounter Kikuji had felt that he "had a woman younger than he in his arms"(28). Mrs. Ota had substituted Kikuji as his father, thus forcing Kikuji to follow in his fathers footsteps. Kikuji is not oblivious to the strange path his love life seems to be taking, yet he does nothing to resist. Instead, a defiant Kikuji asserting that he had not been seduced determines, it was something else that had drawn him to her. The "something else" was

Theories of Addiction General Counseling Methods

Theories of Addiction General Counseling Methods General counseling methods There are numerous counseling methods applicable in the treatment of addictions. They are helpful in establishing critical treatment methods meant to curb the aspects of drug abuse and the alleged addictions. One of the general counseling methods applicable in this context is the motivational interviewing.Advertising We will write a custom essay sample on Theories of Addiction: General Counseling Methods specifically for you for only $16.05 $11/page Learn More Drug addicts require well-orchestrated counseling mechanisms that will enhance their willingness to quit drug abuse and the characterizing addiction. Motivational interviewing tends to unveil the issues related to drug addiction and formulate strategies that can motivate drug addicts to quite the vice (Peele, 1998). Another treatment method is the Cognitive-Behavioral Theory (CBT). CBT addresses all emotional, behavioral, and cognitive dysfunctions usually experienced by drug addicts. This makes the method quite relevant and applicable as a treatment method in the entire context. The two methods chosen are useful in the addiction treatment due to their applicability, convenience, relevancy, and conventionality in counseling and addressing the provisions of drug addiction. Dry Drunk Syndrome Dry Drunk Syndrome refers to a situation where one seems drunk even without taking any alcohol (experiences alcoholic lapse). The situation is evident among addicted individuals who usually experience withdrawal symptoms after quitting the concerned drug. The alcoholic retains mental and behavioral characters connected with drunkenness (DeSena, 2005). This occurs even when he/she has not drunk alcohol. This syndrome relates perfectly with most of the theories studied in this module. Theoretically, addicted individuals or those who have consumed alcohol for long might face mental problems thus exhibiting behaviors related to drunkenness even if they have not taken alc ohol. This relates to the aspects of addiction mentioned earlier in the paper. A situation of an ex-smoker who socially smokes An ex-smoker who socially smokes is probably enhancing his or her smoking behaviors again. It is important to understand that despite him or her quitting smoking, the fact that he/she occasionally smokes is devastating. His body system might rekindle the smoking behavior hence posing a considerable threat to his/her wellbeing. This is a very important consideration in various aspects. There is a substantial root of addiction in this situation. Biologically, the body system of this ex-smoker will start registering the chemicals (nicotine) presented to it by the cigarette hence triggering the aspects of addiction.Advertising Looking for essay on psychology? Let's see if we can help you! Get your first paper with 15% OFF Learn More The body will need the chemical in order to operate fully. Additionally, the situation might trigger the wi thdrawal symptoms associated with smoking hence necessitating him/her to smoke again (Peele, 1998). Psychologically, the concerned ex-smoker might develop a system where he/she enjoys social smoking hence must do it daily. This triggers the aspects of addiction by submitting to the psychological needs. Lindesmiths Conditioning Model The study of addiction affects societal perceptions on addiction in numerous ways. The study demonstrates the cognitive aspects of addiction plus other related psychological concerns in this context. Illuminating extensively on the scientific and psychological prospects of addiction can reform how the society perceives it. This is an important consideration in various contexts. According to Lindesmith, the society will be able to perceive addiction differently hence making approaches in fighting/preventing the vice (Peele, 1998). Concurrently, it is important to agree that addiction has been over-diagnosed in the US’s culture as claimed. There are various instances of the vice despite the efforts to eradicate it. Additionally, various people in the society including the youth have indulged into drug abuse and addiction. Conclusively, the outline of a ‘successful theory of addiction’ is adequate due to its applicability, appropriateness, conventionality, and efficiency in discerning the aspects of addiction. References DeSena, J. (2005). Overcoming your alcohol, drug and recovery habits: An empowering alternative to AA and 12-step treatment. Tuscan, Arizona: See Sharp Press. Peele, S. (1998). The meaning of addiction: An unconventional view. San Francisco, CA: Jossey-Bass Publishers.

Business Finance, Computational and mini essay question

Business Finance, Computational and mini question - Essay Example (i) Determine what proportion of Mrs Sensible's 100,000 should be invested in Curtain plc and Blind plc in order to create a portfolio with a beta coefficient of 1.2. Calculate the expected return of such a portfolio. (iii) Specify a more efficient portfolio with the same return characteristics as the portfolio identified in (i) above, and calculate the beta and total risk characteristics of such a portfolio. Fully explain your answer (b) Given the the Arbitrage Pricing Theory (APT) considers more then one factor when attempting to explain the expected return on a security it is thus a more realistic and superios model to the CAPM. Discuss. The recognition of systematic risk makes an asset less desirable. The Capital Asset Pricing Model or CAPM is useful because it provides an explanation for the magnitude of an asset's risk premium, the difference between an asset's expected return and the risk-free interest rate. Although the CAPM has proved useful in real-world applications, it assumes that there is only one source of systematic risk that is found in the market portfolio. However, an alternative theory, Arbitrage Pricing Theory, takes the view that there are several sources of risking the economy that cannot be eliminated by diversification. Instead of calculating a single beta like CAPM, APT calculates many betas by estimating the sensitivity of an asset's return to changes in each facto

Analysis of Advanced Criminalistics Assignment Example | Topics and Well Written Essays - 500 words

Analysis of Advanced Criminalistics - Assignment Example This is however not the case, the real suspect had left fingerprints on the very saliva that he spoke onto and DNA testing would have indicated otherwise. Finally, the clerk was not aware of what was going on at the time of the robbery. The asserted that the only thing he could remember was someone who had clothes that resembled those of the customer and the front end of the gunpoint. In other words, the suspect had planted samples with the customers DNA without the prior knowledge of the clerk. People can be implicated in a crime based on their DNA. Claims have shown that DNA composition is unique on every person except in twins. In case a crime has happened and between two twins, one was involved and later fled to a distance place. The other twin will be implicated to have been involved in the crime. Furthermore, DNA is a chemical compound and is bound to mutations and change (Porada & Straus, 2001). Some tests done on DNA’s of people have errors and when used as evidence, may lead to arresting of a person who was not necessarily a perpetrator of the crime. Finally, scientists can fabricate DNA of one person resembles the DNA of another person. In such instances, when scientist fabricates DNA obtained from saliva or blood samples of a particular crime scene, they put people whose DNA matches the fabricated DNA, at risk of implication. Identification of the source of the DNA should always be made. This is because some of these detectable levels have errors and some of them are based on truth. Also, most of the detectable levels rely on probability and as a result, they do not give concrete evidence that someone was involved in a crime and that is why identification of the DNA source should be made. In the case of Samantha death and identification of Alejandro Avila, DNA identification played a major role (Raymond, 2002). DNA found on Samantha’s dead body was compared to DNA found on the car of Avila and they were found to be identical.

Personality Disorders Essay Example | Topics and Well Written Essays - 1500 words

Personality Disorders - Essay Example Most times these connections go beyond involvement with the service user alone and extend to his/her care givers and families. To establish and maintain the connections psychiatric mental health nurses need not just communication skills but also specialized skills in understanding and accepting mental health problems along with a strong sense of ethics and responsibility. This lesson is designed to help the students gain a comprehensive understanding of the various personality disorders that affect patients. It proposes to help them recognize these disorders within patients based on their outward features and to help plan patients’ care based on their evaluation. Long Term Content Goal : To understand the different kinds of personality disorders that afflicts patients and recognize the nursing care needed by each different group Learning Outcomes : The learning outcomes from this lesson are identified as follows – Examining of linkages between psychology and nursing pra ctice on the illness-health continuum. Knowledge and understanding of personality disorders and its various clinical features needed to meet the needs of patients. Demonstrating proficiency in professional judgment while identifying personality disorders among patients. ... Identify the key symptoms and characteristics of each disorder. Recognize the treatment plan available for treating the various disorders. Explain the ethical role psychiatric mental health nurses have to play while administering nursing care. Prerequisite Learner Skills : The learner should posses the following characteristics while attempting to follow the lesson plan – Analytical thinking Self-learning abilities Social cohesion while working in a team Striving for personal improvement Skills in creatively solving problems Knowledge of using technology tools Instructional Design Model : This lesson plan hopes to focus its energies on the learner and hence the instructional design model adapted for this lesson is the Morrison, Ross and Kemp model (Morrison, Ross, & Kemp, 2004). The model consists of nine elements arranged in an oval shape – 1. Instructional problem identification and goal specifications of an instructional course, 2. Examination of learner’s cha racteristics based on instructional decisions, 3. Subject content identification with task analysis related to goals and purposes, 4. Instructional objective specifications, 5. Instructional units arranged in logical and sequential order for learning, 6. Instructional strategies designed to meet the mastery of lesson objectives, 7. Plan and develop instruction, 8. Evaluation instruments for measuring course objectives and 9. Resource selection for instruction and learning activities. (Morrison, Ross, & Kemp, 2004) Figure 1: The Morrison, Ross & Kemp Model Content Outline : Learning Objectives Content Instructional Method Introduce the topic The DSM-IV characterizes personality traits as enduring patterns of perceiving, relating to, and thinking about the

The Structure-Agency Debate

The Structure-Agency Debate I have been involved in football for as long as I can remember, with the application of Structural Functionalism I am going to attempt to understand my involvement in football. The Structure theory, Structural Functionalism can be applied to my position as a footballer and explain how football has affected my position in contemporary society. The main assumption of Structural Functionalism is that society is an organized system of interrelated parts that attempts to maintain a state of equilibrium (Williams Kolkka 1998 p.358). Williams Kolkka (1998) applied this assumption of Structural Functionalism within their research of Wheelchair Basketball, they conceptualised the activity as its own social system which comprised of its members (including players, coaches physiotherapists, supporters etc.) and the relationship between them. This can be applied to my position within football particularly at club level. I was a player at Wakefield Ladies F.C. therefore through interaction with other players and other forms of members including the coaches, physiotherapists and supporters, this lead to the maintaining the clubs state of equilibrium and the system working as a whole (Malcolm 2008). This highlights my contribution in maintaining a successful working system however Structural Functionalism only offers a positive view of sporting systems and experiences therefore offers no insight into how specific barriers and constraints challenged my position in football. Bourdieus theory deals with constraints through defining how different forms of Capital can affect a persons identity. Another aspect of Structural Functionalism is that, sport is seen as a vital tool in successfully maintaining the state of equilibrium, it is said to instil desired values and attitudes (Williams and Kolkka 1998; Malcolm 2008). Therefore a Structural Functionalist would argue that by playing football I learned the desired values and attitudes such as conformity to rules, respect and self-control which would contribute to maintaining a state of equilibrium. However, Structural Functionalism only takes into account the structure of society and not individual agency therefore provides no explanation in understanding how human beings make important decisions, such those which lead to me choosing to play football or how my current social world was created unlike Bourdieus Habitus and Capital which explains how class habitus confined me to the choice of football (Malcolm 2008; Williams 1994; Best 2003). In 2008 the FA rolled out the RESPECT campaign across all levels of football, in respon se to a range of behavioural problems surrounding the game. The campaign was designed to protect players and referees and create an environment in which sport can be enjoyed but also have wider benefits to society. I played under the RESPECT campaign when it was first introduced and on reflection, I found it reinforced the desired values and attitudes which are required not only on the football pitch but also in wider society (RESPECT: Four Years On. 2012; Malcolm 2008). A Structural Functionalist would view the RESPECT campaign as a positive step to creating a state of equilibrium (Williams Kolkka 1998). It is evident that Structural Functionalism highlights how I have been a part of maintaining a successful societal system and also the positive effect in which sport has had on my life however it offers no reasoning as to why I became involved in football. . The Agency theory, Symbolic Interactionism can be applied in attempt to gain an understanding of my involvement within football. George Herbert Mead is said to be the founding Father of Symbolic Interactionism. Hewitt (2000 in Armstrong 2007) defines Symbolic Interactionism as a theory which helps human beings define and give meaning to experiences, allowing them to create an individual and unique identity. The main assumption of Symbolic Interactionism is that society is created and maintained by social interaction: we are all actors on a stage who generate meaning through what we do and who we do it with (Craig Beedie 2010 p.61). This draws upon my decision to join a football club; it allowed social interaction to occur which consequently constructed my own social world. Malcolm (2008) furthers Craig and Beedies (2010) assumption by highlighting the focus upon the individual and the way in which they interpret and make sense of the world in which they live in. There are two widely researched areas within Symbolic Interactionism, Socialisation and Subcultures. Firstly, Socialisation focusses upon who becomes involved in sport and is developed through learning to read, understand and interpret symbols to aid individuals in becoming members of society (Best 2003). Cottingham (2012) states how interpreting symbols in the correct manner is a fundamental process, as it increases focus and wider understanding of an object, Gilbert (1994) furthers Cottinghams (2012) statement by adding, that the constructs are grounded within the minds of those who experience the perceived symbolic actions (p. 142). On reflection, throughout the years I have understood and interpreted symbols whilst playing football to aid my socialisation. For example when I first began to attend training sessions at Wakefield Ladies F.C, by interpreting and understanding the coaches I was able to demonstrate competence which led to being selected on a match day and also accepted by the rest of the team on a social level due to my ability to prescribe to the groups norm. It could be argued that my behaviour at Wakefield F.C. Ladies was due to previous experiences; specific symbols became grounded in my mind throughout my development from junior level to the open age therefore this would have led to improving my process of socialisation throughout the years (Best 2003; Gilbert 1994). This example can also be related to the second research area within the Agency debate, Subcultures. By prescribing to the groups norms in terms of beliefs and practices I was accepted and became part of a socially defined group, further creating myself a specific identity (Craig Beedie 2010). I confirmed this identity through not only Symbolic Interactionism but also symbolic consumption as I have specific Wakefield F.C. Ladies clothing which I am required to wear for training, matches and other events, these items of clothing have a specific meaning of being a part of the team therefore is an effective tool in creating my identity (Armstrong 2007). It is clear that by applying Symbolic Interactionism to my own position within contemporary society I can begin to understand why events occurred and why I was accepted into the team. However Symbolic Interactionism is often criticised for over emphasising individual agency and failing to take into account structural inequalities and constraints such as race, gender, class and ethnicity (Craig Beedie 2010). On reflection, this weakness can be applied to my example as, playing for Wakefield F.C; the mens section of club was deemed superior and was seen in a much more favourable perspective to the Womens section. This was a constraint which we had to regularly deal with and included reduced funding compared to the mens section and poor training facilities. Therefore we had a barrier to overcome whilst attempting to build a successful team. This weakness highlights how Agency theories do not take into account power systems as a Post-Dualist theory would. Bourdieu would argue that this barrier would not create a working system and would affect my interpretation of experiences, as any experiences related to this constraint are likely to be deemed negative (Best 2003). It could be argued that the Agency theory, Symbolic Interactionism helps explain my interpretation of my own social construct but still with some constraints. A third theory which can be drawn upon is the post-dualist theory, Bourdieus Habitus and Capital, which takes into account both structures in society and individual agency (Craig Beedie 2010). Bourdieus work was based upon empirical and theoretical investigations; his work was also in relation to sport, unlike Structural Functionalism and Symbolic Interactionism. They are theories that were not originally based around sport but were later applied and adapted to help offer a sociological explanation of sport. Bourdieu developed a social framework from his empirical and theoretical investigations which involved Habitus, Capital and Field; I will use Habitus and Capital in attempt to explain my involvement with football. Firstly, Capital can be defined as power and Habitus is defined by Elliott (2009) as a structuring feature with an infinite capacity for moulding individuals. Habitus is internalised as a second nature, as individuals we acquire habits, either knowingly or unknowingly, from a structural context and we use these practices to live out our everyday lives (Best 2003 p.204). Bourdieus work links class habitus and taste extremely closely; this can be applied to my position within society as it could be argued that both class habitus and taste led to my choice of football. It is clear that the subconscious decision to develop an interest in football is due to my class habitus and the confinement of my families working class background (Best 2003). The sport of football reflects class distinctions and represents the class I belong to; if I was born into an upper class family I may have developed an interest in other sports such as Rugby Union or Polo (Best 2003; Tomlinson 2004). Furthermore, my Fathers taste and class habitus will have affected my subconscious decision, as he had already developed specific practices; including supporting and playing football therefore this would have influenced the practices I developed whilst growing up (Best 2003). Bes t (2003) argues that despite us developing different practices to make a distinction between ourselves and others, people who live within the same social field are likely to share the same habitus, therefore people who I were brought up around all had a specific interest in football which is another reason why I may have been inclined towards football. Finally, it can be argued that Bourdieus class habitus can be applied best to explain my interest in football as it focusses upon where my interest originates from unlike the other Structural Functionalism and Symbolic Interaction. Another aspect of Bourdieus work which can be applied to my position within football is his work involving the body and the creation and reproduction of social differences that can be displayed by the body, one way it can be displayed is through accent (Craig Beedie 2010). A strong Yorkshire accent is often related to the working class therefore this is a form of cultural capital in the embodied state (Laberge 1995). Social differences in terms of cultural capital can be identified when I play football for University because part of my cultural capital is a Yorkshire accent therefore this is not the norm within the University team, as the majority of players are from the Middlesbrough area (Craig and Beedie 2010; Laberge 1995). This differs from when I played football for Wakefield F.C. Ladies, as the majority of players were from the same area therefore shared the same accent. This highlights a difference in individual agency and also the importance of cultural capital. Bourdieus w ork has been criticised over the years, Elliott (2009) argues that Bourdieus work takes the economy for granted and does not take into account the role of economic issues upon social life, Elliott (2009) furthers his argument by accusing Bourdieu of elevating cultural capital over economic capital. This can clearly be seen as despite Bourdieus work leading me to define how I came to develop an interest in football, however it has not taken into account the economic constraints which I faced such as cost of travel, kit and also subs after each match. It is evident that this is an economic force which was a barrier to me. In terms of my example economic capital is much more significant than Cultural Capital, economic capital was a barrier where as cultural capital just highlights a difference between team members. In conclusion, it is evident that all three theories can be applied to my position within contemporary society however after taking into consideration their strengths and weaknesses along with application, I believe Bourdieus post-dualist theory applies best as it takes into consideration the structures within society but also the agency of the individual (Craig Beedie 2010). Bourdieus Habitus and Capital allows an explanation of the origins of my interest in sport, Symbolic Interactionism and Structural Functionalism cannot do this. They only offer significant explanations of what sport has offered me and how it has contributed to the identity in which I hold today. Therefore it is clear that Bourdieus work is the most complex and offers a better understanding of my interest in sport and my position within contemporary society.

Information Technology †Wireless local-area Networks (WLAN) :: essays research papers

Information Technology – Wireless local-area Networks (WLAN) In today’s world where organizations need to keep in contact with employees there seem to be more ways than ever to stay connected. This can be a burden for small organizations that do not have a large information technology (IT) staff to keep them updated with the latest technologies (Cisco, 2004). A significant way for employees to stay in touch besides cell phones, laptops and hand held computers is wireless local area networks (WLAN). Also known as LAWN, a wireless local-area network uses high frequency radio waves rather than wires to communicate between computers or other devices (Webopedia, 2004). Business owners are now recognizing the benefits of incorporating wireless network into their organizations. A wireless local area network can be very beneficial because of its mobility and increased employee productivity, but organizations still harbor doubts about its security and reliability. Wireless local area networks (WLAN) provide a variety of benefits to an organization. It can provide mobility and flexibility, which can all lead to improvements in productivity and business opportunities (Wireless LAN, 2004). Wireless local area networks (WLANs) keep mobile workers connected without information technology (IT) professionals having to install wiring through out a building. Temporary workspaces can be set up and internet access can be made available in different meeting locations without the need to rewire. Wireless Internet service providers (WISPs) are also offering access at various locations that would make it convenient to travelers and mobile workers (Public Access, 2004). They are able to connect their laptops or other devices without wires or having to find a data port in airports or hotels. Unlike the past when employees worked from the same location, organizations today enjoy more freedom and flexibility in their workforces because of wireless local area net works (Cisco, 2004). Both organizations and employees enjoy a combination of improved speed, collaboration and accuracy when they invest in a wireless local-area network (Intel, 2004). Wireless local-area networks (WLAN) have given workers the advantage of completing their work away from their office and as a result improve their overall productivity. NOP World through an independent survey discovered that wireless local-area network (WLAN) users stay connected long enough to show an increase in productivity (NOP World, 2003). Different organizations using wireless networks enable their employees to gain access to valuable information pertaining to the business whenever necessary. Not only would vital data be available that could aid an employee in closing a deal, but time could also be saved when correspondences can be answered quickly and at any place via e-mail.