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Your search returned over 400 essays for "hole"
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The Black Hole in Magnet - III. BLACK HOLE IN MANET In black hole attack, malicious nodes absorb all data, transmitted by source node to destination instead forwarding the data to the next node. In AODV protocol Black hole attack is classified into two categories: Black hole attack caused by RREP and black hole attack caused by RREQ. A. Black hole attack caused by RREQ Following things happen when black hole attack form by malicious nodes or attacker while sending fake RREQ messages: • Attacker change the originator IP address in RREQ to the originating node’s IP address....   [tags: black hole, attacker, computer, hash] 623 words
(1.8 pages)
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What a Black Hole Really is - Just a hundred years ago in 1915, was the time Einstein created his theories of general relativity, thus the makings of what is known today. These theories helped predict that black holes, actually occupy the universe vastly (Black Holes). Because black holes are virtually invisible to the human eye, since not even light can escape their clutches, it is hard to understand something that can’t be seen or even assume it exists. The concept of black holes can be traced back to 1795, to Pierre Simon Laplace, who originally proposed the idea....   [tags: albert einstein, dense orb, black hole, stars]
:: 14 Works Cited
1758 words
(5 pages)
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Down In A Hole - Looking down the hole that led to nowhere, I could taste the bitterness of my fate; the sour spit that hunger had released into my dry mouth drizzled around in an uncontrolled manner. My stomach churned and my intestines were strangled, as though a snake had twirled around them and slit them with its sharp and jagged teeth releasing a strong poison that irritated the surface of my innards. My eyes blurred for what seemed eternity leading me to the subconscious of my mind. Every worry and problem provoked my mind constantly, almost an endless quest....   [tags: Creative Writing Essays] 1651 words
(4.7 pages)
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The Magnificent Life of the Black Hole - The magnificent life of a black hole. The black hole is a mystery that you will want to learn about. A black hole does many wonderful things in outer space. Black holes in outer space have been a mystery for years. There are many questions such as how is a black hole born and how does a black hole grow. What is a black hole. A black hole is a dead star in outer space. It is where planets and stars disappear at. The gravity of a black hole is way too strong ( Aguilar 39). The black hole is a weird object in outer space and a black hole is formed when two giant stars or more collapse together and basically vacuum anything that comes near it ( Aguilar 39)....   [tags: outer space, birth, growth] 989 words
(2.8 pages)
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Sexual Symbols in The Black Hole - Adolescence is a period in life when individuals learn who they are and shape their identities in relation to their experiences and others around them, such as role models, peers, and family; as a consequence adolescence has always been considered a crucial developmental stage. In Black Hole “the bug” only affects teens, which suggests that the teen plague is not a metaphor for AIDs, but is actually the social, physical, and emotional turning point in which the character s mature from teens to young adults....   [tags: Literary Analysis, argumentative, persuasive]
:: 1 Works Cited
1786 words
(5.1 pages)
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The Bug in "Black Hole" - The teens who occupy Charles Burns's graphic novel Black Hole are ill with what seem to be a sexually-transmitted disease that the teens identify as "the bug," an increasing number of teens become infected and reside with a group of teenagers that live in separate from their families and individuals uninfected remain students at their high school in uptown Seattle. The ill teens dwell in a tent village concealed in the outskirts of their community, in the forest and they manage to survive largely on the trash and infrequent aid of the well teens....   [tags: Literary Analysis ]
:: 1 Works Cited
1702 words
(4.9 pages)
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The Ozone Hole and Petroleum Release - The Ozone Hole and Petroleum Release Introduction The atmosphere can be divided into four layers based on temperature variations. The closest layer to the Earth is called the troposphere and it extends from Earth's surface up to 7 km (23,000 ft) at the poles, and about 17-18 km (56,000 ft) at the equator. Above this layer is the stratosphere which extends from the top of the troposphere to about 50 km (32 mi; 170,000 ft). The upper boundary between troposphere and stratosphere is known as the tropopause....   [tags: Atmosphere, Climate Science]
:: 3 Works Cited
2191 words
(6.3 pages)
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God of the Black Hole - Where it all begins and where everything ends. That is the place I would like to be. I will know everything since the beginning of time and understand how everything was made. When I look at it, it takes everything that comes near it and reduces it to nothing. It looks like a hole in the universe. Everything that gets sucked inside it will also lose its color and that’s the reason why inside this hole there is no color. All you can hear is your thoughts. It’s like your brain expanded in the universe....   [tags: short story] 1672 words
(4.8 pages)
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The Hole In The Net - Our social safety net has a hole in it. The fibers of the net are decaying; the hole is getting bigger. More people are falling through, and the people with the least strength are holding the most of the weight. Three to four million Americans are homeless according to the U.S. Department of Housing and Urban Development, 5.5% cannot find jobs according to the Bureau of Labor and Statistics, and the figure is over twice that in the 20-24 year old age group, according to the Department of Education....   [tags: essays research papers] 2561 words
(7.3 pages)
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Stellar Mass Black Hole Analysis - When a star has exhausted its stellar fuel supply, it will collapse under its owngravitation. Depending on the mass the star will end up as a white dwarf or an even more compact neu-tron star. If the stars mass is above the Tolman–Oppenheimer–Volkof limit of approximate-ly 1.5 to 3.0Mʘ (Bombaci 1996), a stable neutron star may not be achieved, the collapse will continue, forming a black hole (BH) when reaching r < 2GM/c2, a radius smaller than the Schwartzschild radius where G is the gravitational constant, M the mass of the object and c the speed of light....   [tags: star collapse, binary system, stellar fuel]
:: 27 Works Cited
1947 words
(5.6 pages)
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Mother Courage: The Hole In The Cheese - Mother Courage contains a quote that pulls the entire play together so innocuously; it's hard to believe that Brecht originally intended it to be so symbolic. Yet, there it is, in scene six, the chaplain rhetorically asks, "What happens to the hole when the cheese is gone?" This line operates on the three essential layers of the play: the level of the character, of the playwright (plot), and of the audience. On "face" value, this line is said about peace. The chaplain believes that the image of peace as the norm and war as an abnormal event is backward....   [tags: essays research papers] 682 words
(1.9 pages)
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Personal Narrative - A Hole In One - A Hole In One It was a Saturday afternoon, and I was at golf practice. It was a gorgeous day. The sun was out, there was just a slight breeze, and there wasn’t a cloud in the sky. No one could have asked for a better day. Three of my teammates and I were golfing together. We teed off at one o’clock. Walking down the fairway of number one looked just like a scene out of a movie. The lake off to the right and a line of trees along the left, were just gorgeous. Number two is a one hundred and forty-two yard par three....   [tags: Personal Narratives] 505 words
(1.4 pages)
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The Black Hole - Original Writing - The Black Hole - Original Writing A news flash came up on the television after the body of an elderly man was found with part of his body missing . It was not thought that the body had been there long before it was discovered . The police was appealing to the public for any information to come forward . The police officer who was assigned to the case was Joe Freeman . He had been with the force for a few years and had already successfully dealt with two other suspicious deaths in the past, so it was thought that he would be the best man to deal with this case to bring it to an early close ....   [tags: Papers] 713 words
(2 pages)
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Environmental Risk Perception: Ozone Hole Diminishing - Environmental Risk Perception Ozone Hole Diminishing This article states that the ozone hole is diminishing. The credit for this good news is the phasing out of the ozone-depleting chemicals sponsored by the Montreal Protocol (Ozone hole diminishing, Nov). According to this article, the hole reached a peak of 25 million square kilometers, coming down from 28 in previous years since 1998 up to 2006. The article emphasizes the fact that ozone-depleting gases are still being used. The article continues by stating that according to the World Meteorological Organization, the planet will come back to pre-ozone hole conditions between 2060 and 2075 (Ozone hole diminishing, Nov)....   [tags: Ozone Depletion, Climate Change]
:: 3 Works Cited
926 words
(2.6 pages)
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The Hole in My Heart - The Hole in My Heart When I was younger, I loved to play sports. Basketball was my favorite and I was always one of the best on the team. I could jump high to get rebounds, I could use my long arms to steal many balls, I had a great shot and I did it all with grace. It was a beautiful thing and probably the only time I ever felt completely included in a group of people. Even though I was a valuable asset to the teams I played on, I was never the best. I missed many practices because I was too tired to play....   [tags: Personal Narratives Health Medical Essays] 1022 words
(2.9 pages)
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An Explanation for Jobless Poverty through the Structural Hole Theory - In the report A New Form of Social Dislocation in the Inner-City Ghetto, William Julius Wilson analyzes three research studies conducted in Chicago between 1986 and 1993. In these studies, Wilson discovers a new type of poverty, which he coins jobless poverty. Jobless poverty represents the growing number of workers who are not in the official job market because they either have dropped out of the labor force or cannot find employment. Wilson found that the largest amounts of jobless poverty are in poor, segregated neighborhoods where a majority of the population is black....   [tags: Economy, Sociology]
:: 2 Works Cited
2026 words
(5.8 pages)
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Jackson Hole - Jackson Hole It was going to be the time of our lives. Four buddies of mine and I went out to Jackson, Wyoming to do some of the best snowboarding of our lives. It was our chance to get away from home for a week and have the best time of our lives. The trip out there was extremely boring driving through Iowa, Nebraska, and Wyoming. Possibly the three most boring states in the country. When we got out there we were all very impressed by the appearance of the city. This was obviously a tourist town....   [tags: Personal Narrative Writing] 1100 words
(3.1 pages)
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You Can Escape a Black Hole: Surprising Informative Essay - You can escape a Black Hole: Surprising Informative Essay Have you ever taken the time to reflect and glaze upon the night sky, conjecturing and dreaming of what lies beyond our planet. Our universe also known as the Milky Way Galaxy is very miscellaneous and unique. With many marvelous wonders, the Milky Way Galaxy holds about mysterious belongings that are very challenging for human minds to understand due to the many complications that arise when we try to examine and explore the principles of space....   [tags: Astronomy ]
:: 4 Works Cited
973 words
(2.8 pages)
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The Black Hole of Temptation in Shakespeare´s Hamlet and George Orwell´s 1984 - The destructive suction of a black hole not only perilous, but inescapable once matter becomes close enough. Similarly, in William Shakespeare’s Hamlet and George Orwell’s 1984, the protagonists are seduced by their ids, the source of a person’s desires and impulses, to indulge themselves in attaining their deepest aspirations. Although the superegos, the contraction to the id, of Hamlet and Winston warn them not to succumb to their instincts they overlook the precautions and view their superegos as hindrances to their ids....   [tags: ids, ego, social, protagonist] 1130 words
(3.2 pages)
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Use of Square Kilometre Array in Astrology - SKA also known as square kilometre array is a very crucial element to the research done with regards to the transcension hypothesis in the subject of astronomy. It is able to exploit radio astronomy’s ability to provide the best quality images in all astronomy. The SKA has been able to provide uninterrupted frequency coverage from about 50 MHz to 14 GHz in the first two phases of its construction. The SKA has bout upon the discovery of the evolutionary developmental biology. The evolutionary developmental biology can help us in thinking about developmental and evolutionary systems....   [tags: seti, black hole, transcension ] 582 words
(1.7 pages)
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Analysis of the Songs Bittersweet Symphony, Fixing a Hole, and Creep - Analysis of the Songs Bittersweet Symphony, Fixing a Hole, and Creep Music has played an important role in the daily lives of people everywhere and perhaps the most influential music has come from British artists. The Beatles faced a problem when, John Lennon innocently stated that The Beatles were, in fact, more popular than Jesus. In the song "Fixing a Hole", The Beatles sing about the problem with the media. The song "Creep", by Radiohead, deals with a personal problem. It illustrates the writers frustration, and inner turmoil with his life in a negative, self-hating way....   [tags: Papers] 764 words
(2.2 pages)
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Personal Narrative - A Hole In My Left Shoe - A Hole In My Left Shoe I have a hole in my left shoe. It’s on the inside of my left shoe, and it’s been there since the first week I had these shoes. It doesn’t grow or change, because the circumstances that begot it do not grow or change. It’s there because when I sword fight I drag that foot as part of my footwork. This hole in my shoe is a constant thing in my life. Even when I get a new pair of shoes it will still be back there within a week. Look closely at this hole and you can see into it, into me....   [tags: Personal Narrative Writing] 985 words
(2.8 pages)
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Discussing the Hypothesis of a Supermassive Black Hole in the Milky Way Galaxy - Discussing the Hypothesis of a Supermassive Black Hole in the Milky Way Galaxy There is evidence that supports the hypothesis that the Milky Way Galaxy has a massive black hole at its core. At the center of our very own galaxy is a mysterious source of energy. Vast amounts of radiation pour from this compact source which may be a Supermassive Black Hole. Astronomers found an intense radio source with strings of other radio sources clustered about it in the direction of the galactic center. The intense source was named Sagittarius A because the center of the galaxy lies in the direction of the constellation Sagittarius....   [tags: Papers] 515 words
(1.5 pages)
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Comparing Brown's Goodnight Moon and Krauss’s A Hole is to Dig - Comparing Margaret Wise Brown's Goodnight Moon and Ruth Krauss’s A Hole is to Dig Margaret Wise Brown is an exceptional author that has written many children’s picture books. She has created a style of writing that children can relate to on each of their own level. Each book has a simple and easy structure of writing accompanied with defining illustrations. Margaret Wise Brown is not the only author that has been able to adjust her writing style to better suite different age levels for children....   [tags: Compare Contrast Comparison] 611 words
(1.7 pages)
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Black Hole of Depression - It is that cold sense of apathy that waits below the surface, playing with your emotions and your ability to react to your surroundings. As one Australian author noted, “Depression is a prison, where one is both the suffering prisoner and the cruel jailer” (Rowe). According to the Merriam Webster Dictionary, “Depression is defined as a state of feeling sad or a serious medical condition in which a person feels very sad, hopeless, and unimportant and often is unable to live in a normal way” (“Depression”)....   [tags: Depression, Americans, Happiness]
:: 19 Works Cited
953 words
(2.7 pages)
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Imagine You Are Boo Radley. Nathan Has Just Cemented Up The Knot Hole - Imagine You Are Boo Radley. Nathan Has Just Cemented Up The Knot Hole In The Tree. What Are Your Thoughts And Feelings. I feel as if my connection with the real world has been broken by my own father and now brother continues with this same lack of compassion. If it was not for them treating me this way, after one incident, I would not be here, and perhaps I would be leading a normal life away from my family. I am treated like a caged animal repeatedly put down by my own family saying how much of a disappointment I am....   [tags: English Literature] 2189 words
(6.3 pages)
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Absolute Time, Relative Space, and the Hole in the Bucket - At first glance, Isaac Newton’s bucket argument seems invulnerable to scrutiny. I never found the argument to be truly convincing, but like Newton’s supporters and perhaps a few of his critics, I possessed no means of successfully refuting it. In fact, proponents of the bucket argument have been so confident in its fortification that even now, in the 21st century, they continue to cite the bucket as undeniable evidence of absolute motion and, therefore, absolute space. One such supporter is Robin Le Poidevin, who revisits the bucket argument in Travels in Four Dimensions to defend the experiment against further scrutiny....   [tags: travels in fourt dimension, Isaac Newton]
:: 2 Works Cited
1524 words
(4.4 pages)
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Black Holes - When a star "dies" it can do many different things. It can form a neutron star, expand to a red giant and shrink into a white dwarf, or sometimes collapse upon itself to form a black hole. This is mostly dependent on the density of the star. When massive stars, those twenty times the mass of our Sun or more die, they must either exhaust all of their excess mass or implode upon themselves and form black holes. Gravity overwhelms even the nuclear forces. The gravitational force becomes so strong that nothing can escape it, even photons of light, hence the name "black" hole....   [tags: physics science black hole] 717 words
(2 pages)
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Black Holes - Introduction Black holes are one of the more interesting topics in astrophysics. Even though they are commonly accepted as being real, their actual existence has yet to have been proven2. Black holes are objects that have such a concentration of mass that nothing can escape their gravitational pull once it crosses the black hole's event horizon or Schwarzschild radius. The Schwarzschild radius is the radius where, for anything inside, the escape velocity is greater than the speed of light....   [tags: space black hole] 531 words
(1.5 pages)
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Black Holes - Stars, comets, planets, they are all visible when you look up past our atmosphere. What if I told you that there were objects up there that you could not see, but had more gravity than an object 500 time larger than our sun. Objects, that are capable of swallowing whole planets within a split second of time. An object that would steal light right out of thin-air. These objects are more powerful than anything man made. Black holes are the most popular unknown object in science. A black hole is an area of space that has so much mass crammed in it that there is no way for an object to escape its gravitational pull....   [tags: Black Hole Essays] 467 words
(1.3 pages)
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The Confessions of Saint Augustine - Day after day, goals are set before us. Expectations for improvement or achievements. Objectives to accomplish tasks or simply to do nothing. Plans constructed to dictate how we are to live; how we are to speak, act, and think. These goals, whether consciously or subconsciously, are influenced by our worldviews. Throughout our lives, aims are in constant creation. Babies cry in order to secure the attention of the caretaker so that nutrients or a clean diaper may be obtain. Young children may fight over one another in hopes to play with a certain toys....   [tags: The God-Shaped Hole] 1359 words
(3.9 pages)
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Carbon Pollution and Ecological Imbalances - ... Use of Carbon compounds has developed over the decades. Trains can be blamed for the state of the atmosphere, since they are considered to be the first machines to utilize steam engines. These engines require firewood and charcoal, which leads to the loss of plant vegetation. The usage of firewood for instance leads to the formation of Carbon monoxide, which is an unstable carbon compound. This later consumes oxygen in large amounts to form carbon IV Oxide, reducing the oxygen supply in the atmosphere....   [tags: acid rain, hole in ozone layer]
:: 11 Works Cited
1459 words
(4.2 pages)
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The Theory of Everything Book Report - Since the dawn of the man we have been wanderers and explorers, looking up at the night sky, studying the stars, and pondering the origin of them. How did we get here. Who are we. Why are we here. Why does anything exist. These are questions that have baffled us since we first looked to the stars, and still do continue to linger amongst us. Will we ever know the answer to these questions. This cannot be easily answered, for we uncover new mysteries every day, but with the uncovering of one mystery, comes the discovery of another....   [tags: The Grand Design, black hole, Stepehen Hawking]
:: 14 Works Cited
2618 words
(7.5 pages)
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Network Theory of Internalization - It has been shown that organizations that are part of an enterprise network achieve a more solid and competitive structure, can access specialized services technology, purchase of inputs, financing and improvement of industrial processes, in addition to enhancing its competitive progress in terms of processes products and innovation. However, this network would not be possible without the social capital, because it is the real engine of companies. This essay will explain the network theory of internalization, the social capital on internalization and will go in deep in both terminologies....   [tags: social capital, structural hole, management, value]
:: 9 Works Cited
1997 words
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Black Holes: What Scientist Know About Them - ... Dieter Brill states that “a black hole grows as more matter falls through its horizon.” The Schwarzchild black hole was the first type of black hole to be discovered. Einstein created a mathematical formula that he thought was purely hypothetical, however, an astronomer by the name of Karl Schwarzchild discovered a way to apply Einstein’s formula in a manner that would prove black hole existence. Scientist then knew what to look for in space and discovered black holes shortly after. The Reissner-Nordstrøm black hole is more common than the Schwarzchild black hole....   [tags: made, objects, spot, types, form] 1882 words
(5.4 pages)
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Load Balanced Routing with Constant Stretch for Wireless Sensor Network with Holes - Because of its simplicity and scalability, geographic routing is a popular approach in wireless sensor networks, which can achieve a near-optimal routing path in the networks without of holes. With the occurrence of holes, however, geographic routing faces the problems of hole diffusion and routing path enlargement. Several recent proposals attempt to fix these issues by deploying a special, forbidding area around the hole, which helps to improve the congestion on the hole boundary but still causes significant load unbalancing due to static detour routes bypassing this fixed forbidding area....   [tags: wireless sensor networks]
:: 9 Works Cited
754 words
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Black Holes and My Love for Astronomy - When I was growing up there were things in life that always seemed to fascinate me. Most of them were usually science based. Things like elements on the periodic table, where did the stars come from and what lies at the end of the universe. I think the one question that always had my attention was what is a black hole. I can remember asking my parents when I was at about the age of eight or nine what a black hole was, and what was its purpose. Like most people, not really knowing themselves what a black hole was they kind of made up some wild crazy story hoping that I was to young to know the difference between fact or fiction....   [tags: astronomy, ] 837 words
(2.4 pages)
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Black Holes: Forces of Gravity - ... Outside of this event horizon is mostly harmless space with similar properties of other celestial objects, thus allowing things to orbit them. That is to say, black holes are not giant vacuums in space sucking up and destroying everything unfortunate enough to come near them. Interestingly, if you were able to safely get into the event horizon of a large enough black hole, you would float freely and non-dramatically for a few minutes in a kaleidoscopic lightshow. Unfortunately, there is no known force strong enough to get you out of a black hole’s event horizon, making it possibly the most spectacular inevitable death in the universe....   [tags: physics, forces, gravitational pull, science]
:: 6 Works Cited
1522 words
(4.3 pages)
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Black Holes, Powerhouses of the Universe - Introduction Black holes are incredible processes that happen in space that are capable of crushing anything unlucky enough cross paths with them. Black holes have caught the attention of millions of people around the world because of their incredible strength and the fact that so much is unknown about them. The theories of possible outcomes resulting in traveling into a black hole has been used in many science fiction stories, but what we think is science fiction could actually exist. With black holes being out of our reach, and even difficult for our greatest minds to understand, what happens within them may just stay science fiction....   [tags: Birth, Structure, Power, Wormholes]
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1634 words
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The Universe: What's a Traversable Wormholes - Have you ever watched a sci-fi movie and wondered if some of the subjects on futuristic transport occurring in space could be a possibility. For many years scientists have been discovering new phenomenons in space. In 1916, the first black hole was discovered by Karl Schwarzschild, which wasn't proven until the late 1950’s. A wormhole is a hypothetical connection that you can travel through to get from point A to point B almost instantaneously. Have you ever wondered what might lie on the other side of a black hole....   [tags: shortcuts in space, black whole]
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1509 words
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The Origins of Super-massive Black Holes - Super massive black holes are enormous black holes which have a mass equivalent to large numbers of solar masses. A black hole is called a super massive black hole when a normal "galactic nuclei black hole" has a mass range between 0.1 million to 10 million solar masses. (Cardiff University 2014). It is believed that one solar mass is equal the mass of the sun, so that would make a super-massive black hole very large compared to the sun. Super-massive black holes having a large mass would make its gravity incredibly limitless, this would mean that even a star which is many light years away would be impelled by the super-massive black hole....   [tags: Black Holes Essays]
:: 10 Works Cited
861 words
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Taking a Look at Black Holes - If you’ve been on this Earth long enough you probably know,or you’ve heard of a black hole.Those big,scary things in space that suck everything into them and whatever goes in,never comes out.While this assumption is,in a way right,that isn’t all that a black hole really is.That leads yourself to ask the question: What is a black hole. Firstly,everyone knows that black holes are formed when a star dies and collapses in on itself,if you compress an object into a small enough space to the point where it’s density and gravitational pull would be so great that not even light can pass through it,you would have a black hole (hence the ‘black’).There are two types of black holes: a Schwarzschild...   [tags: astronomy, region of space, the universe]
:: 1 Works Cited
563 words
(1.6 pages)
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Black Holes and Stephen Hawking - Black Holes An object that is so compact that light can’t escape its gravitational pull is called a black hole. The density of this object is extremely high; while it has a small mass, is called a singularity. Around the singularity point, there is an event horizon also known as the gravitational radius. The event horizon is the establish boundary where nothing can escape, there is no communications from the objects inside and outside. A black hole is formed when a massive star collapses on itself....   [tags: astrophysics, gravitational collapse]
:: 6 Works Cited
981 words
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Time Travel and Black Holes: Annotated Bibliography - Anderson, Craig. “The Twin Paradox.” College of the Redwoods, Spring 1999. Web. 22 July 2010. This article explains the concept of the “twin paradox”, which is also known as “time dilation.” Craig starts his article by introducing the readers to Albert Einstein’s concepts of relativity. According to Craig, Einstein believed that “the basic premise of relativity is that neither time nor space is absolute.” Craig then goes on to explain the background of time dilation, and tries to explain the complicated mathematics behind time dilation....   [tags: Annotated Bibliography] 2719 words
(7.8 pages)
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The Properties of Black Holes - In modern day physics, Black Holes have dominated the spotlight for quite some time. While the concept has answered many questions, it has also introduced hundreds more. There is believed to be a black hole at the center of our galaxy, the Milky Way galaxy. Black holes were first proven to exist in the 1970’s when a few scientists identified a black hole called Cygnus X-1. Since then, an intense amount of study has been dedicated to discovering the various properties of black holes. Merriam Webster defines a black hole as: a celestial object that has a gravitational field so strong that light cannot escape it and that is believed to be created especially in the collapse of a very massive st...   [tags: regions of spacetime, astronomy]
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606 words
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The Construction Process of Bored Piles - BORED PILES CONSTRUCTION Bored piles construction is done using the suitable rotary drills depending on the diameter, depth, condition of the soil and construction method. Usually bore-holes are stabilized with a temporary or permanent casing. The common material used for the casing is steel and it is also normal called as steel casing. The length of the steel casing is also determined from the soil conditions that are discovered at the actual site. SETTING OUT The location of the bored piles must be set out and marked by the subcontractor’s surveyor according to the approved setting out drawings given by the Consultant....   [tags: civil engineering techniques] 806 words
(2.3 pages)
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Amazing Atmosphere of the Earth - ... In the mid 1970's, several researchers looked into the chemicals affecting the ozone layer. These chemicals were mostly Chlorofluorocarbons or CFCs. CFCs were first thought of as miracle substances because of their stability. CFCs are also non flammable, low in toxicity, and it was inexpensive to produce. CFCs are found in refrigerants, air conditioners, aerosol cans, firefighting equipment, solvents, and pesticides. The stability of CFCs makes it hard for natural means like rain to efface it....   [tags: ozone layer, radiation, oxygen] 547 words
(1.6 pages)
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Quasars, Black Holes and the Expanding Universe - So what the heck does a quasar have to do with a black hole. What is a quasar. Highly lit objects in space were recently discovered using radio telescopes. Cosmologists called them quasars, for lack of a better term. They appeared to be quite small, but illuminated the universe around them. To make a long story short, they turned out to be feeding, black holes. Feeding black holes. Black holes eat. What do they eat. Italian food. No, they eat matter and gases that get close enough to be lured in and swallowed up....   [tags: Physics, Astronomy, Religion] 1090 words
(3.1 pages)
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Analyzing Black Holes - The universe contain many diverse and exotic bodies that we are only beginning to understand. Of the countless exotic bodies, the one that arguably has been the most elusive is the black hole. In astronomy, there have been numerous theories and questions about black holes. The subject of these inquiries have been the properties, processes, effects, and function of black holes. Even now, scientist still do not completely understand black holes because they are very difficult to detect. According to definition, a black hole is a region in space where the collapse of matter results in a gravitational field that is so intense that not even light can escape....   [tags: exotic bodies in the universe, gravitational field] 833 words
(2.4 pages)
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Black Holes - Black Holes Within our galaxy alone, there are millions upon millions of stars. Within our universe, there are millions upon millions of galaxies. Humans have known the existance of stars since they have had eyes. Although interpretations may have differed on what they were, they were always thought of as white glowing specks in the sky, but the mystery does not lie within what we can see, but what we can not see. There are billions of stars lighting the darkness of our universe, but the question lies in what happens when one of these enormous lamps burns out....   [tags: essays research papers] 1038 words
(3 pages)
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Stephen Hawking and the World of Physics - Stephen Hawking and the World of Physics Dr Stephen Hawking was born January 8, 1942, the 300th anniversary of the day Galileo died. Although today he is totally paralyzed from ALS, he was born healthy. His work on the physics of black holes and the beginning of the universe revolutionized modern physics and our understanding of the universe. His biggest discoveries were Hawking radiation, mini black holes, and the no boundary theory. He started out as an averagely bright student at St. Albans private school....   [tags: biography, quantum physics, quantum mechanics] 2213 words
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Understanding Black Holes - Understanding Black Holes As the nighttime sky falls upon us and we gaze at the beautiful stars, imagination takes one away from the limits of our solar system to the depths of a high-mass black hole. The universe that we live in contains unique and exciting matter that interests us to learn about all the variances that may only be viewed through a telescope. Within this marvel of wonders, our universe holds a mystery that cannot be defined by modern and classic theories of physics. This mystery happens to be that of the ever clandestine, black hole....   [tags: Papers] 989 words
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“The Bug” by Charles Burns - Adolescence is a period in life when individuals learn and shape their identities; it has always been considered a crucial developmental stage. For many people including myself, perceivably, high school felt like an infinite unavoidable vacuum; free of air or light. Black Hole employs the nastiest ingredients of budding adulthood such as changing bodies, peer discrimination, and sex. Charles Burns uses “the bug” to explain the complex issues involved in going from a teen to an adult. Charles Burns explains: “It’s an incredibly strong part of a person’s life....   [tags: Adolesence, Adulthood, Identity]
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The Day of His Life - ... Now five forty-five in the morning, Alex decided to join the migratory of people leaving the hotel. On his way to the course Alex started to feel like he was incongruous in this tournament because he has never played this course before. Feeling scared (Participial) to lose, he turns on the radio and listens to some pump up music. After parking the car and getting his gear, Alex walks to the tent for sign in. As he signs in, he is given a Dynamic Disc Ranger Bag and then six discs as the Player Pack for this tournament....   [tags: personal narrative] 1031 words
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Black Holes - Black Holes It has been proven that black holes are not so invincible; they can emit radiation, and therefore loose mass (due to E=MC²). Calculations have confirmed that black hole ought to emit particles and radiation as if it were a hot body with a temperature that depends only on the black hole’s mass, they are inversely proportional: the larger the mass of a black hole the lower it’s temperature....   [tags: Free Essays] 410 words
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Masters Of The Universe - One of the few remaining mysteries of science is the black hole. When a star runs out of fuel to keep it burning, it explodes into a supernova(Intro. to Black Holes 1) After a supernova, some of the matter that was blown off leaves in pockets to different places in space. These pockets contract to from a pulsar, or new born star. The rest of the matter left from the massive explosion of the supernova comes back together forming a neutron star. If the dead star was too massive, the neutron star will be so large that its own gravity will crush it(Intro....   [tags: essays research papers fc]
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Physics of Black Holes - Black holes - the strange scientific phenomenon that has astounded physicists and astronomers alike for decades. Popular subjects in science fiction novels, black holes are one of the greatest enigmas of the scientific world. Even today, the concept of a super-dense ball of matter that not even light can escape from is somewhat farfetched, and many scientists disagree with each other about nearly every aspect of a black hole. This project will attempt to shed some light on these mysterious formations, and will inform you the reader of the most popular and widely accepted theories surrounding them....   [tags: physics space black holes] 841 words
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Understanding Black Holes - Like the boundaries on earth, mankind has always looked to the sky in awe for it seemed boundless in its ever growing horizon. Out of all the cosmos that’s being found and discovered every day, there is one object that stands to elude scientists still, the black hole. Albert Einstein, and all the brilliant scientists after his, help to design and create a part of the universe that’s very crucial to understanding existence. The perimeters of a black hole have been a great this that has been discussed and observed to the point where it eventually becomes clear as its compared to objects around or like it....   [tags: science, astronomy, particle-antiparticle]
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The Herschel Space Observatory - ... Although the Observatory is enormous; with a height of 29.53 feet, and a width of 14.76 feet, it had a launch mass of 7275.25 lbs. That wasn't what made it stand out from the rest. Their telescope had a diameter of 11.48 feet, and was the largest telescope in space at the time of Herschel's launch. The telescope's temperature had to have been kept as close to absolute zero as possible, so the Observatory’s own heat wouldn't distort the telescope’s observations. Herschel gave us a lot of important information about Universe formation, and had uncovered some interesting discoveries; including some about Black Holes....   [tags: esa, nasa, jet propulsion system] 760 words
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J.R.R. Tolkien's The Hobbit: Juxtaposition Between Home and the Outside World - One of the prevailing themes of J.R.R. Tolkien’s The Hobbit is the juxtaposition between home and the outside world. Throughout the novel, Tolkien behooves the reader to wonder whether or not adventure is beneficial for Bilbo, as opposed to staying back at his home in The Hill. Tolkien himself does not take a clear position on this himself. Instead, he brilliantly juxtaposes Bilbo’s home with the outside world and leaves it up to the reader whether going on an adventure with Gandalf and the dwarves was the correct course of action....   [tags: novels, literary analysis]
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Hydrovolcanic Eruptions and The FOrmation of Tuff Rings in Southern Oregon - In this report, I will be discussing the formations of tuff rings, tuff cones, and a variety of spectacular geologic features that can be seen in the Southern Oregon area (near Silver Lake); including Hole in the ground, Fort-Rock, and Table-Rock complexes. To begin, we will start with the background of how tuff rings and tuff cones are formed. Hydrovolcanic eruptions are some of the most violent spectacles, each generating hundreds, or even thousands, of explosions throughout the course of its eruption....   [tags: pleistocene era, geology] 1245 words
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News Summary and Reaction - News Summary and Reaction ASTRONOMY “A New Black Hole” “Scientific American Evidence that the heavens house a previously unknown type of black hole was reported by scientists yesterday. Data from NASA’s Chandra X-Ray Observatory revealed a hole was some 600 light-years from the center of the starburst galaxy M82. The brightness of the x-ray source indicates that this moon-size hole has the mass of at least 500 suns, making it intermediate between stellar black holes and the supermassive black holes found at the centers of galaxies....   [tags: Summary and Response] 568 words
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The Physics of a Guitar - Introduction: The guitar is a typical string instrument, whose physics are similar to many other string instruments. The main parts consist of the body, the neck, the bridge, the tuning pegs, the sound hole, and the strings. An electric guitar lacks the sound hole and instead relies on an amp for amplification. The physics of a guitar involves sound waves, how they are amplified, and how they travel. Strings: The vibration of the strings of a guitar causes the sound wave, but is not actually what you are hearing....   [tags: music, string instruments, vibration]
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Black Holes: The Power Source for Future Space Travel? - Everyone knows that the spaceships in Star Trek that travel faster than the speed of light are mere science fiction. According to Einstein's theory of relativity, if an object reached the speed of light, its mass would be immediately transformed into energy. Currently our spaceships can not even reach mars in less than five years. Now, with modern theories of black holes, trips to other solar systems may be possible at nearly the speed of light. Black holes were only proven to exist within the last twenty-five years and were only really considered to exist for the last seventy-five years....   [tags: Space Exploration Essays] 2015 words
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Analysis of Black Holes - Black Holes: Warping Spacetime   A black hole is one of the most fantastic things ever predicted by modern science. It is a place where gravity is so strong that nothing --not even light-- can escape. It is a place where gravity is so strong that a hole has been rent in the very fabric of space and time. Surrounding this yawning chasm is a 'horizon' in the geometry of space where time itself stands still. And inside this hole, beyond this horizon, the directions of space and time are interchanged....   [tags: Exploratory Essays Research Papers]
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Close Reading of the Two Holes Passage of Toni Morrison's Sula - A Close Reading of the Two Holes Passage of Sula     Toni Morrison’s novel Sula is rich with paradox and contradiction from the name of a community on top of a hill called "Bottom" to a family full of discord named "Peace." There are no clear distinctions in the novel, and this is most apparent in the meaning of the relationship between the two main characters, Sula and Nel. Although they are characterized differently, they also have many similarities. Literary critics have interpreted the girls in several different ways: as lesbians (Smith 8), as the two halves of a single person (Coleman 145), and as representations of the dichotomy between good and evil (Bergenholtz 4 of 9)....   [tags: Sula Essays]
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Understanding Black Holes - Throughout the modern era of astronomy, a single type of celestial object has puzzled astronomers more than any other. Black holes, whose existence was only verified in the early 1990’s, have fascinated scientists ever since Einstein first proposed the theoretical concept in the 1930’s. A black hole is an object so tiny, but also so dense, that it has the power to pull planets, stars, and even light into its core, and ultimately destroy everything in its path. Over the past decade much has been discovered about these enigmas of space and time; however, many of these recent discoveries lead to more unanswered questions....   [tags: Astronomy, research papers]
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Concepts of Time Travel - Concepts of Time Travel Some people live their lives focused on the present. Then there are those who constantly look ahead, striving to achieve greater things in the future. Regardless of how you look at life, one thing is the same for all of us: time. Time is a train that keeps on chugging no matter what; we are all on this moving train whether we like it or not. What if it was somehow possible to get off the train and board a slower train where time moved slower. Since the train represents time, you age slower on the second train....   [tags: Papers] 738 words
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Ozone Depletion in the Arctic - Ozone Depletion in the Arctic The reappearance of the ozone hole over Antarctica has been a hot topic for scientist around the world. A few of these scientists are the atmospheric physicist Richard D. McPeters and several of his colleagues at the NASA Goddard Space Flight Center in Greenbelt. The ozone hole showed up earlier than expected, and it was wider and thinner. It appeared in mid-August, about two weeks ahead of schedule, and on September 19 reached the record size of 10.5 million square miles, more than three and a half times the area of the forty-eight contiguous United States that is a frightening statistic man....   [tags: Papers] 1174 words
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How the Universe was Created - Scientists have had many arguments on how the Earth is really shaped. Some say that the Earth was round rather than a flat plate. It came to mind on how the Earth was really shaped when there were eclipses on the moon. If the Earth were a flat disk, the shape of the moon would be stretched and arched. Also, Aristotle, a Greek philosopher, thought that the Earth was stationary. He believed that the sun, the stars, and the moon orbited around the Earth. A Greek philosopher named Ptolemy made a model predicting the alignment of the galaxy, and the Christian church adopted his model....   [tags: science] 1105 words
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Black Holes - Black Holes The American scientist John Wheeler coined the phrase “black hole” in 1969 to describe a massively compact star with such a strong gravitational field that light cannot escape. When a star’s central reserve of hydrogen is depleted, the star begins to die. Gravity causes the center to contract to higher and higher temperatures, while the outer regions swell up, and the star becomes a red giant. The star then evolves into a white dwarf, where most of its matter is compressed into a sphere roughly the size of Earth....   [tags: Astronomy Research Papers]
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The Sport of Golf - The Sport of Golf Golf is an outdoor game in which players use specially designed clubs to propel a small, hard ball over a field of play known as a course or links. The object of the game is to advance the ball around the course using as few strokes as possible. Golf is a very popular sport throughout the world. The Golf Course A golf course is divided into 18 sections, called holes. The standard course is about 5,900 to 6,400 m (about 6,500 to 7,000 yd); the individual holes may vary in length from 90 to 550 m (from 100 to 600 yd)....   [tags: Papers] 2895 words
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The Ozone Layer - Over the years scientists have discovered the main function of the ozone layer. They have found that the ozone layer naturally shields the Earth from ultraviolet radiation that in large amounts can be harmful. When organisms are exposed to large amounts of ultraviolet radiation, the exposure can lead to DNA mutations that can cause damage to the organism and even skin cancer in humans (NOAA News). Even though the stratospheric ozone absorbs most forms of ultraviolet radiation, about half of UV-a radiation can get through, and this radiation is the type that causes sunburn, skin cancer, and eye damage (Ozone Watch)....   [tags: Struggles, Chemistry, History]
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Fairy Tales and Defying Logic in Lewis Carroll’s "Alice’s Adventures in Wonderland" - What characterizes a children's story as a fairytale. Is it the knights in shining armor, the happy ending, or the assumed innocence of the characters and the audience. Authors have long used these factors to reach acclaimed notoriety in the children’s writing world. But when it comes to Carroll’s Alice’s Adventures in Wonderland, these characteristics are non-existent. He reveals to us that a fairy tales can defy logic and expectations. The complexity of Carroll’s ingenuity writing Alice in Wonderland has been dubbed an aspect of literary disobedience....   [tags: Lewis Carroll, Alice’s Adventures in Wonderland] 1657 words
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D.H. Lawrence’s Snakes and Lord of the Flies, by William Golding - Society has a great impact on our lives. It tells us how to act, what to wear, what to eat and what decisions to make. Society, though, is often corrupted and shapes us in a certain way. Jean Jacques Rousseau, a late Enlightenment thinker felt strongly about this and stated that humanity must be free of society and its bounds and therefore argued that we should act like the savages who were free of society’s bonds. Rousseau was not alone in this thinking as evidence of societal corruption is seen in D.H....   [tags: social issues, corruption, rouseau]
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A Review on Alleviation of Blackhole Attacks on AODV Protocol - In the paper [5] a solution to encounter black hole attack is proposed. Here, the AODV is modified. In order to check whether the route advertised exists and free of malicious nodes, the intermediate nodes should add the address of the next hop node in RREP packets. Once the source node receives the RREP packet, it finds the details of the next hop node and sends a Further request to the next hop node in order to verify the existence of the next hop node. The next hop node sends the Further reply packet to the source node to confirm the route information....   [tags: mobile nodes, RREP, MANET]
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The Different Forms of Golf Balls According to the Dimples - ... The flight pattern affects the distance that the ball travels when hit. The dimple’s structure affects the amount of drag force applied to the golf ball (Aoki, 2010). The distance of a golf course is measured in yards. The “par” of a hole is how many strokes it should take to get the ball into the hole. Since the goal of the game is to be under or on par, the golf ball hit needs to travel as far as possible in order to achieve this goal. The right construction of dimples helps a player reach this goal....   [tags: airflow, effects, shot, construction]
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Understanding Black Holes - Understanding Black Holes A Black hole is a theorized celestial body whose surface gravity is so strong that nothing, including light, can escape from within it's surface. Gravity is the key to a black hole's immense power. The black hole's strong gravity keeps captured material from escaping. For example, if Earth were the same mass it is now but had only one-fourth its present radius, the escape velocity of someone standing on its surface would be twice what it is now. Black holes have a power far greater than our minds can imagine....   [tags: Papers] 1945 words
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My Unexpected Trip Through a Portal - ... I landed on my head fainting directly after that. As I started to wake up, I notice that there where people talking and looking at me, not any kind of people, they were small people with pointy ears and long old tore clothes. I couldn´t imagine what I as seeing. They are ogres, hobbits, elves, dragons and fairies, which made me faint again. As I woke up, again, I found myself inside a tree house tight up into a bed and with a wet towel on my head. I wiggled trying to escape but my hands and feet where very tight together....   [tags: personal narrative] 689 words
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The Theory of Cosmological Natural Selection - For thousands of years, philosophers and astronomers have been trying to determine the origin of our universe. The twentieth century proved to be a time of intense research in the fields of astronomy and physics. While science still searches for the solution uniting general relativity and quantum mechanics, some astrophysicists have conjectured about the implications of quantum gravity for the universe’s existence. The most exotic objects in our universe, black holes, may hold the key to the creation of our universe....   [tags: Lee Smolin Physics Cosmos Space Essays]
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