Vanilla Sky essay essays

Vanilla Sky essay essays In the movie Vanilla Sky, Tom Cruise takes on two roles, his characters actual life, and his dream life. The bases of these two roles remain the same. Hes a well to do young man from upper manhattan who has just about everything he wants. Money, a promising career, good looks, and a great social life, but the one thing he is missing is experiencing true love, which he later discovers in his dream. Penelapie Cruz plays the object of his affection in this almost perfect dream, and completes the missing part of what he now feels is a perfect life. Until a glitch in the system forces him to realize that all it is, is a dream. The glitch is then fixed and the time has come for him to make a choice, either stay in the surreal life with his love, or be brought back to the reality. The only catch is he will no longer be living in the world he was once familiar with due to the fact that it is 150 years later. All of his friends and family are long gone, along with his wealth and every other aspect of his life from long ago. Nevertheless, he chooses to return to modern day living, and the movie ends with him being brought back to the real world. Being that he no longer has the same status as he did in the past, Im sure he will have a better appreciation of life from that point on, and will use the values he gained from living in his dream and apply them to his new lifestyle in the future. ...

Earths Bigger, Older Planetary Cousin

Earth's Bigger, Older Planetary Cousin Ever since astronomers first began searching out planets around other stars, theyve found thousands of planet candidates and confirmed more than a thousand as actual worlds. There could be billions of worlds out there. The tools of the search are ground-based telescopes, the Kepler Telescope, Hubble Space Telescope, and others. The idea is to look for planets by watching for slight dips in the light of a star as the planet passes in its orbit between us and the star. This is called the  transit method because it requires that a planet transit the face of the star. Another way to find planets is to look for tiny shifts in the stars motion that are caused by a planets orbit. Detecting planets directly is very difficult because stars are quite bright and planets can get lost in the glare.   Finding other Worlds The first exoplanet (a world circling other stars) was discovered in 1995. Since then, the rate of discovery grew as astronomers launched spacecraft to look for distant worlds. One fascinating world that theyve found is called Kepler-452b. It circles a star similar to the Sun (a G2  star type) that lies about 1,400 light-years from us in the direction of the constellation Cygnus. It was found by the Kepler telescope, along with 11 more planet candidates orbiting in the habitable zones of their stars. To determine the planets properties, astronomers conducted observations at ground-based observatories. Their data confirmed the planetary nature of Kepler-452b, refined the size and brightness of its host star, and pinned down the size of the planet and its orbit Kepler-452b was the first near-Earth-sized world found, and it orbits its star in the so-called habitable zone. Thats a region around a star where liquid water could exist on the surface of a planet.  It is the smallest planet ever found in a habitable zone. Others have been larger worlds, so the fact that this one is closer to our own planets size means astronomers are close to finding Earth twins (in terms of size).   The discovery does NOT tell whether or not there IS water on the planet, or what the planet is made of (that is, whether it is a rocky body or a gas/ice giant). That information will come from further observations. Yet, this system does have some interesting similarities to Earth. Its orbit is 385 days, while ours is 365.25 days. Kepler-452b lies just five percent farther away from its star than Earth does from the Sun.  Ã‚   Kepler-452, the parent star of the system is 1.5 billion years older than the Sun (which is 4.5 billion years old). Its also a bit brighter than the Sun but has the same temperature. All these similarities help give astronomers a comparison point between this planetary system and our own Sun and planets as they seek to understand the formation and history of planetary systems. Ultimately, they want to know how many habitable worlds are out there.   About the Kepler Mission The Kepler space telescope (named for astronomer Johannes Kepler) was launched in 2009 on a mission to spy out planets around stars in a  region of the sky near the constellation Cygnus. It performed well until 2013 when NASA announced that failed flywheels (that keep the telescope pointed accurately) were failing. After some research and help from the scientific community, mission controllers devised a way to keep using the telescope, and its mission is now called K2 Second Light. It continues to search out planetary candidates, which are then re-observed to help astronomers determine the masses, orbits, and other characteristics of the possible worlds. Once Keplers planet candidates are studied in detail, they are confirmed as actual planets and added to the growing list of such exoplanets.

Some questions Essay Example | Topics and Well Written Essays - 750 words

Some questions - Essay Example This includes the right to education, religion, and matrimony. The right to live and to have free speech in order to be heard and be heard truly with an understanding and open mind. And most importantly, the right to be respected at all times as humans, whether man or woman. The issue between genders have always been a controversy; as to who the â€Å"stronger laborer or the main economic contributor is†. (Byrne 132) Women have stood behind men for decades: a norm for them to serve under the towering image of their male counterparts. Not until recent years did women fight for their rights to be heard asking for society to uphold them. Through this, contemporary feminism has altered the debate on human rights in several different ways. They have risen to several different occasions to be the most powerful voice in the nation; rising to the challenge of political, environmental and at the same time economic agendas both in the entire nation and within their private spaces. If th e country’s leaders would support their objectives, not only will women be heard but every individual fighting for their human rights as well. Now, as the most powerful country in the world, to whom every nation look up to, the US should lead by example actively performing and promoting the rights of every individual no matter the status or gender. They should not limit themselves to laws and leave this responsibility to the UN. As an active member of this organization, it should empower the UN to ask everyone to actively participate in the promotion of human rights. It should not stop at being just a member but instead push forward to reach further in creating a greater impact in the entire world; thereby starting within the confines of its constitution leading by example and mandating respect towards every individual rights. Prejudice refers to attitudes of aversion and hostility toward the members of a group simply because they belong to it and hence are

Outline of three ideas Essay Example | Topics and Well Written Essays - 500 words

Outline of three ideas - Essay Example atrons for such expeditions; however, there are numerous fishing businesses that depend almost exclusively on the catches they obtain through more destructive mid- and deep-level trawling. These businesses could be encouraged, through law or regulation, to offset some of their harmful by-catch (the killing of valued or endangered animals such as dolphins, turtles or sharks) by returning a specific amount of plastic catch for every 5 live catches, for example. Drainage filters throughout our cities and towns are necessary to protect our water and food supplies. Filters would work to reduce the amount of trash that enters the oceans and pollutes the fishing industry. They could be installed in storm drains throughout the cities – making the city dwellers and the cities themselves obvious patrons of the system – and help prevent some of the plastics that are making their way into the ocean and poisoning the fish. Because of land effects of plastic on the fishing industry, this industry might also be interested in being patrons, helping with educating the public and helping with other marketing efforts. A filter could be developed that works in much the same way as the filters we use for our tap water. Water would flow into the storm drains and go through a series of chambers that have different levels of screening material before it is finally free to enter the river or ocean system. It would be necessary to also begin a new c ity service similar to the waste department to maintain these filter systems, emptying the chambers of collected trash on a regular basis. To reduce the amount of rubber produced and its harmful effects on the environment, these tires are designed to stay full for nearly the life of the vehicle. They are made from ultra-durable rubber created with recycled plastic and rubber materials and designed with a special self-heal technology that instantly closes off any potential punctures. These tires would be in high demand by tire

Spanish literature Essay Example for Free

Spanish literature Essay From Latin litterae (plural); letter is the art of written work. The word literature literally means: things made from letters. The body of written works of a language, period, or culture. Imaginative or creative writing, especially of recognized artistic value: Literature must be an analysis of experience and a synthesis of the findings into a unity (Rebecca West). The art or occupation of a literary writer. The body of written work produced by scholars or researchers in a given field. Printed material Written material such as poetry, novels, essays, etc. , esp works of imagination characterized by excellence of style and expression and by themes of general or enduring interest. The body of written work of a particular culture or people Written or printed matter of a particular type or on a particular subject Printed material giving a particular type of information The art or profession of a writer Obsolete learning Writing in prose or verse regarded as having permanent worth through its intrinsic excellence. The entire body of writings of a specific language, period, people, etc. The writings dealing with a particular subject. The profession of a writer or author. Literary work or production. Any kind of printed material, as circulars, leaflets, or handbills. Archaic. literary culture; appreciation of letters and books. Creative writing of recognized artistic value writings in which expression and form, in connection with ideas of permanent and universal interest,are characteristic or essential features, as poetry, novels, history, biography, and essays. Written works (such as poems, plays, and novels) that are considered to be very good and to have lasting importance.

An Inspector Calls :: English Literature

An Inspector calls is set in 1912 and was written for a 1946 audience. What can it have to offer an audience in 2002? An Inspector calls. 'An Inspector calls' was written by J.B. Priestly in 1945, and was first shown to an audience in 1946. It was set in 1912, before the Second World War had started, and was to be shown, after the Second World War had ended. 'An inspector calls' is a dramatic, moralistic thriller. It is set around the death of a young woman: Eva Smith. The play begins with the Birling family celebrating the engagement of their daughter Sheila, to the wealthy Gerald Croft. In this part of the play you learn a lot about the social system of that era, the way people acted, and the way they thought. The doorbell, and the arrival of an Inspector interrupt their 'celebration'. From now on the mood changes, contrasting the light-hearted and happy mood; it now becomes tense and serious. The Inspector reveals each characters involvement in the death of Eva Smith, side by side with the flaws and evils in each characters' personality. This slowly reveals to the audience that the Inspector is a lot more then he seems, and that the play is not only a 'murder mystery', but also resembles a moralistic play of the middle ages, but in it's own socialistic manner. It also shows the flaws in the social system at the times, which are displayed in each character, and in the consequences of their acts. The audience are shown how some people ignore the reality of their actions, and even after seeing the consequence of their actions, refuse to change. Mr and Mrs Birling are portrayed as selfish and ignorant of their actions, while Sheila and Eric, as a contrast, have fully realised their mistakes and have changed the way they think. The inspector is successful in changing two of the characters, but is not successful in the rest. Priestly is in a way playing the Inspector, to his audience, showing them the consequences of their actions, and what will happen if they do not change. 'An Inspector calls' has many underlying messages, most of which are still relevant to us today. The question as to whether 'An inspector calls' is out of date, is a long argued and debated question. Both sides of the argument have valid points, and in order to come to a fair decision, you must consider both these sides of the argument. I am going to consider three statements about 'An Inspector calls' and after studying each one, am gong to come up with a decision.

H202 Decomposition

Hydrogen Peroxide Decomposition Reaction Kinetics Purpose: In this experiment, you will determine the rate law and activation energy for the iodide-catalyzed decomposition of hydrogen peroxide. Overview: The decomposition of hydrogen peroxide is catalyzed by iodide according to the following reaction: 2H2O2 (aq) [pic] 2H2O (l) + O2 (g) The speed of the reaction is determined from the reactants being consumed or from products that are being formed. This must be determined experimentally by measuring the rate of change in the concentration of one of the reactants or one of the products.The change of concentration can be measured by such physical properties such as the volume of a gas or color intensity of a solution. The rate may be expressed, for example, as moles per liter of product being formed per minute, milliliters of gas being produced per minute, or moles per liter of reactant being consumed per second. During this experiment, you will determine the rate of decomposition of hy drogen peroxide in the presence of a catalyst, iodide. The goal in this experiment is to deduce a rate law for the reaction, showing the dependence of the rate on the concentrations of H2O2 and I-.Your rate law will be of the form: -[pic]= k[H2O2]x[I-]y k is the reaction rate constant and depends only on temperature. x is the reaction order with respect to the hydrogen peroxide concentration and y is the reaction order with respect to the iodide ion concentration. Your objective is to determine the numerical values for the exponents x and y and rate constant, k. You will also study the effect of temperature on the reaction. Materials: 0. 25M KI solution 3% H2O2 solution distilled water 125mL or 250mL Erlenmeyer flask 50mL gas collection tube ring stand test tube clamp one-hole rubber stopper eaker water bath 50mL graduate cylinder 5 and 10 mL pipets thermometer Procedure: 1. Fill one beaker about half full with water. Fill the gas collection tube with water and invert into this beak er. Clamp the gas collection tube to the ring stand. You will use this to measure the volume of gas generated in the reaction. 2. Place the Erlenmeyer flask into a water bath. Fill the waterbath two thirds full of water. Record the temperature of the water. Cap the Erlenmeyer flask with a one-hole rubber stopper. Insert a short piece of glass tubing into the one-hole rubber stopper.If necessary, cut a piece of glass tubing and fire polish the ends. Connect one end of the rubber tubing to the glass tubing and insert the other end into the gas collection tube. You are now ready to start the reaction. 3. Remove the rubber stopper from the 50 mL flask. Add 10 mL of the 0. 25 M KI solution and 15 mL of distilled water to the flask. 4. Add 5 mL of 3% H2O2 to the Erlenmeyer flask. Swirl to mix the solutions and immediately replace the rubber stopper. Begin taking oxygen volume readings immediately. 5. Record the time and oxygen volume (mL) every ten seconds for 240 econds or 30mL (whicheve r comes first). Swirl the flask during the reaction to prevent the solution becoming super saturated with oxygen. 6. Repeat the experiment, using a clean flask, with10mL of the 0. 25-M KI solution and 10mL of distilled water, then adding 10 mL of the 3% H2O2. 7. Repeat the experiment again, this time using 20mL of the 0. 25-M KI solution and 5mL of distilled water, then adding 5 mL of the 3% H2O2. 8. Replace the water in the water bath containing the Erlenmeyer flask, with water that is 10-20(C warmer than previously used.Repeat the experiment using 10mL of 0. 25M KI, 15mL of distilled water and 5mL of the 3% H2O2. 9. For each of the three trials, plot the volume of oxygen in milliliters versus the time in seconds. Fit the data with the best-fit curve or straight line for each trial, ignoring the first sixty seconds of data. (Do not draw a line that connects point to point. ) 10. Calculate the slope (mL/sec) of each line. The slope of each line gives the rate of oxygen production in mL/seconds. 11. Use the slopes and the details from each trial to determine the reaction orders for the I- and H2O2.Note that the KI and H2O2 volume are proportional to their concentrations in the reaction solution. | |Slope (mL/sec) |KI |H2O2 | |Trial 1 | |10mL |5mL | |Trial 2 | |10mL |10mL | |Trial 3 | |20mL |5mL | 2. Calculate the rate constant, k, for the equation: -[pic]= k[H2O2]x[I-]y Substitute values for [H2O2], [I-], x,y and -[pic]/[pic]into the equation and solve for k. Use the reaction orders determined above for x and y. Using data from one of the trials, calculate the molarity of the H2O2 and I- in the reaction solution and the hydrogen peroxide disappearance rate. Use these values to substitute into the above equation. You can determine the hydrogen peroxide disappearance rate from the rate of oxygen production.Convert the rate of oxygen production to moles per second using PV=nRT. Remember to reduce the pressure of the oxygen by the water vapor pressure. Use stoichio metry to convert moles of oxygen to moles of hydrogen peroxide. Use the solution volume to convert the moles per second to molarity per second. Calculate the rate constant, k, to two significant digits. Be sure to include units. 13. Examine your results to determine the effect that temperature had on the reaction rate. 14.Calculate k for the higher temperature, and, using both k values determine the activation energy for this reaction[1]. Questions: 1. How would your calculated reaction rate constants and calculated activation energy have been affected if the nominally 3% hydrogen peroxide had a concentration of only 2%? 2. How would your results have been affected if extra water had accidentally been added to the reaction mixture? 3. If you do not agitate the reaction solution, it can become supersaturated with oxygen. How would this affect your results? . If you had been able to directly determine the concentration of hydrogen peroxide in the reaction solution, you would have been able to graph the concentration versus time. What would that graph look like? 5. If you had been able to directly determine the concentration of iodide in the reaction solution you would have been able to graph its concentration versus time. What would that graph look like? 6. What would you graph versus time to determine the reaction rate constant? How would you calculate k from the graph? dapted from a lab at Occidental College http://departments. oxy. edu/tops/Kinetics/kinetics. pdf ———————– [1] Activation energy, Ea, is related to the reaction rate constant, k, by the Arrhenius equation: k=Ae-Ea/RT. R is the ideal gas constant, 8. 314510 J/(K†¢mol). A is the frequency factor with units of L/mol†¢s, and is related to the fraction of collisions that have the correct geometry. The activation energy can be determined using reaction rate constants from two different temperatures using the Arrhenius Equation rearranged as: ln k2 – ln k1 = – [pic]