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Paper代写:A brief history of time

2018-08-08 | 来源:51due教员组 | 类别:Paper代写范文

本篇paper代写- A brief history of time讨论了《时间简史》。在《时间简史》中,霍金试图以一种最简单易懂的方式,将不可切实感知的宇宙形态描述为一个有限却无界的空间。书中文字从物理、天文、宇宙学甚至哲学的角度将霍金本人对宇宙、时空乃至生命的理论思考及心里哲思清晰而真诚地呈现在读者面前,他试图直观的告诉我们究竟什么是“空间”。本篇paper代写51due代写平台整理,供大家参考阅读。

A brief history of time,时间简史,paper代写,代写,essay代写

In "a brief history of time, space and time is no longer cold data of physical formula derived, but we are proved, which is closely linked with the life they do not shake, very strong, but with our existence form the full of the world, they never comfortable, infinite long, but also helpless to control their own burst and rebirth. They are existence. Can we simply generalize the concept of the "world" so that we can conclude that the world is physical, and that its composition underpins the framework of our understanding in the form of the universe. But it doesn't seem to be the case. What we feel is a bigger existence than its concept of cause and effect, but it is in every seemingly insignificant individual's heart. Can we say that the world contains the sum of all known and unknown things and that the world is what we have

Stephen my goal is simply to complete my understanding of the universe, which includes why the universe is what it is now, and why the universe exists," "hawking said. Hawking's unremitting exploration of physics and his passion for truth makes him the world's most famous scientific thinker and most outstanding theoretical physicist since Einstein. His book a brief history of time is more of a popular science classics that will popularize advanced theoretical physics. As a college student, we do not want to stick to the limits of disciplines and majors, so we have a wide range of books on various subjects. With the dream of the simplest and most fanatical knowledge, in my reading and thinking with "a brief history of time" together, to physics and philosophy seems to be mad difficult but essentially the penetration in our life the most deep place of truth and wisdom into the heart, and some thinking and will result in the form of essays recorded sincere hope and friends to share and exchange.

In "a brief history of time," hawking tries to describe the unperceptible shape of the universe as a limited but unbounded space in the simplest possible way. It is mysterious and full of truth, has no beginning and no end, the universe itself represents the meaning of existence. From the perspective of physics, astronomy, cosmology and even philosophy, the book presents hawking's theoretical thinking and psychological thoughts on the universe, space and even life clearly and sincerely to the readers. From the book, I learned that hawking's most outstanding contribution was undoubtedly his proof of the inevitability of black holes and the singularity of the big bang in the framework of classical physics, inferring that black holes get bigger and bigger, while pointing out in the framework of quantum physics that black holes get smaller and smaller because of radiation. Not only was the singularity of the big bang flattened by quantum effects, but the entire universe began there, as the book's subtitle, "from the big bang to a black hole," attempts to tell us intuitively what "space" really is. However, just like the three thousand worlds in the diamond sutra, the so-called space is still an "infinite and poor" realm. We exist in the space. Life is as small as the sand of Ganges river and the dust of Egypt is too small to be seen, which is "infinite". On the other hand, the universe is vast and vast, but it cannot escape the fate of limited extension and repeated rebirth in the end, which means "there is poverty".

As Kant said in the critique of practical reason, there are two things in this world that make us more confused. One is the starry sky above us; the other is the moral law in our heart. It is not hard to imagine a time when the wise men of the ancient city-states of the far west divided the stars into different constellations and gave them different meanings. In the Chinese clan, the most ancient wise men depicted the five lines of gossip and divined the time when the sun, the moon and the stars were rising. In the dark and turbulent years, countless shouts of the most advanced wisdom civilization at that time were stifled in the throat as heresy and cruel even though it was difficult to verify. Human beings looked up at the distant sky above, with what kind of excitement and frustration, but also paid what price and expectation. But what role are we playing in this vast and mysterious river of stars? We human beings are confused, and constantly trying to connect our existence with the unknown star, as if this is enough to prove that we human beings have some deep connection with this infinite mystery after all. From generation to generation and from generation to generation and from generation to generation, we have never stopped exploring the unknown star river, or even the crazy obsession and paranoid belief in history and civilization. But back to the "poor" in the proposition of "infinite", we are always so helpless, we are sure that we have already solved this corner of the universe mystery but increasingly feel that elusive infinite unknown, we can only seem to deeply feel the fact that life is too short there are poor, in the face of the universe forever endless "infinite", is so insignificant. Here "has the poor" also involves a time question.

For the description of time, we can refer to the original text of the book to examine the connotation of philosophical thinking and physics. "" disorder or entropy increases with time is an example of a so-called time arrow. The arrow of time separates the past from the future and gives time a direction. There are at least three types of time arrows: the first, the thermodynamic time arrow, is an increase in disorder or entropy in this time direction; Then there is the psychological time arrow, which is the direction in which we feel the passage of time, in which we can remember the past rather than the future; Finally, there is the cosmological time arrow, in which the universe is expanding, not shrinking." In terms of the combination of time and space, the borderless condition mentioned in the book actually means the continuous addition of the disorder degree of space and time when it shrinks. When the universe compresses, the direction of time will be the same as the expansion, that is, the time happening now. But it's also just an illusion of hard physics, of our lives and, in fact, more of a fantastic illusion between psychological feelings and physical differences. Seems to be no end of a long time in our history, flowing, the life in the river of time fleeting or vanity life-long, let countless lives leaving an infinite number of regret and hope, with a life of "poor" explore "infinite" realm, this also is the most magical place life, and life also only when interact with space and time, affect, maintained a breakthrough in the end, the determination of this to call what we call the existence of the time and space, referred to as "the world".

Hawking pointed out in a brief history of time that the universe arose from a physical explosion. Where the density of matter is not uniform in the universe, nuclear fusion is created, stars collapse or explode, second - or third-generation stars, which we call the sun, are produced, and then the earth.

Since then, numerous coincidences in earth's barren ocean have recombined the chemicals to form a new individual, a unique individual form - called the existence of life. Beyond count like without soft body join together, at the end of the chain of life in the dirty ocean in how many generation of racial interest-bearing try the infinite possibility of life, the life of the spiral totem alternate interdependence, and it doesn't matter all price, unconscious billions of tiny have the instinct toward their own direction through a short time, leave, they seem to be nothing but every tiny sacrifice will produce under the infinite time called miracle to the invasion of the legend. Since the evolution of life, we claim to be a spirit of all things, to explore the truth of time and space and life, and do we really know what life is? In my opinion, life must be connected with space and time to be called "alive". If our lives assume that all existence and effort will vanish behind us, there is no doubt that it is always a great tragedy. Even the simplest and meanest of lives are happy. We exist in a certain time and space, experience the brave, the persistent in life, those who insist on, your dream is aspersing sweat, to the truth, and continuously explore, to live better and create a new life belongs to excellence, build a happy family, the continuation of the beauty of life, this world has too much worth will become incomparably glorious life. Although the world is not perfect, as the limited individual of life, we learn to cherish life, and the endless continuation of life, so that we will not lose in time and space the authenticity and dignity of life.

From a metaphysical point of view, the world is also meaningful to different individuals. Some of the world of life starts from his recognition of the existence of the world as a part of the individual cognition, until his existence of the world began to negate or even ambiguous until completely forgotten as the end. And some lives, from the very beginning with a negative or doubting attitude to the existence of the world, have been mixed in the world with an ambiguous existence until their own existence with an imperceptible speed gradually disappeared and died. What's more, the world of his life begins with people remembering his birth and ends with people forgetting his death. But I do believe that we are different. On this blue earth, we are blessed and nurtured for generations, becoming a special life with wisdom. We have created civilizations on this planet, traversing plains, climbing mountains, conquering oceans, soaring skies, and even exploring the mysteries of the universe through technological innovation and progress. But we are so clumsy, we have been stupid repeatedly misread the truth that now seems to be easy to read, but how many times for those sacrifices and ignorance and complacent. We have made a colossal mistake that the world cannot forgive, a terrible tragedy that nature has never caused, and we have created the most brilliant civilization on this planet, the most magnificent miracle of natural evolution. But we still cannot deny that we are too small for the universe, that we can change and exist only in the present world. The sun is the closest star to earth, and it only takes eight minutes to run toward it at the speed of light. That is to say, the sun that we see is actually eight minutes old, and the stars that we see in the night sky may have been falling billions of years ago. This may be a sad proposition. But please let us to understand this proposition from a different Angle, we can change maybe just in front of the world, however, we protect currently have will guard in balance in the development of environment and resource, continuation of existing at the same time, with limited life to explore the infinite unknown, let us this generation of deep in our children and grandchildren continue, this is a wonderful and magical things. Just like the setting sun is decaying in the west, but it is rising on the other side of the blue planet. Matter itself is a kind of existence, life itself is a miracle, let life continue, let hope not only, let life infinite, in the boundary of time and space where the "world" that "live" wonderful.

In "a brief history of time, space and time is no longer cold data of physical formula derived, but we are proved, which is closely linked with the life they do not shake, very strong, but with our existence form the full of the world, they never comfortable, infinite long, but also helpless to control their own burst and rebirth. They are existence. Not only do we think about a perennial problem, but can we simply generalize the concept of the "world" to arrive at a set of conclusions: the world is physical, made up of structures that support our understanding in the form of the universe? But it doesn't seem to be the case. What we feel is a bigger existence than its concept of cause and effect, but it is in the heart of every seemingly insignificant individual. Can we say that the world contains the sum of all known and unknown things? Life may be just a form of existence, even though its existence is full of unpredictable coincidences and uncontrollable destiny, it is full of ordinariness and weakness, confusion and confusion, but it is so unremitting and tenacious, so dignified, it is not strong enough, not long enough and may even end at any time. But that's the beauty of it, that we use our finite lives to create brilliance, that we use our interconnected threads of life to understand the infinite possibilities and the infinite truths, and that's the real miracle of the universe.

A few decades ago, a famous scientist gave an astronomy lecture in which he described how the earth revolves around the sun, and how the sun revolves around the center of a large group of stars, telling people that the group is called the Milky Way. At the end of his speech, a little old woman sitting in silence at the end of the room slowly got up and said, "what you're talking about is nonsense. In fact, the world is a tablet on a giant turtle!" The scientist could not help smiling haughtily and replied, "so what is this turtle standing on?" "You're smart, young man, really smart." "But," said the old woman slowly, "it's a turtle tower that carries on and on." Perhaps the greatest mystery of the world is just like this. We cannot deny it with any absolute vision, nor can we admit the reality with ambiguous attitude. Only the endless exploration and the endless life can reach the truth.

As Stephen hawking said: "toward the eternal as if at the end of a long endless", we pursue with regard to the shape of space and time, probe into the origin of life and the end, in the final analysis is realized in wonder and unusual us as individuals living in the vast universe peculiar existence significance. Let us in thinking toward the truth and make unremitting endeavor, maybe it will be no end of a long, but we still remember the time and space, where there is life, there is endless even eternal is not absolute, adhere to the inner life born and unable to external things shake look forward and to the inheritance of never give up, perhaps the so-called answer has since the show them, clear understanding.

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