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Search results 3091 - 3100 of 12257 matching essays
- 3091: Black Holes
- ... called the "escape velocity." As you would expect, the escape velocity depends on the mass of the planet: if the planet is extremely massive, then its gravity is very strong, and the escape velocity is high. A lighter planet would have a smaller escape velocity. The escape velocity also depends on how far you are from the planet's center: the closer you are, the higher the escape velocity . The Earth ... Matter usually orbits a black hole before being swallowed. The matter spins very fast and with other matter forms an accretion disk of rapidly spinning matter. This accretion disk heats up through friction to such high temperatures that it emits X-rays. And also there is some X-ray sources which have all the properties described above. Unfortunately it is impossible to distinguish between a black hole and a neutron star ... a star to be swallowed by the black hole. The pull of gravity on such a star will be so strong as to break it up into its component atoms, and throw them out at high speed in all directions. Astronomers have found a half-dozen or so binary star systems (two stars orbiting each other) where one of the stars is invisible, yet must be there since it pulls ...
- 3092: A Separate Peace, Symbolism Wi
- John Knowles uses the literary element of symbolism in his novel, A Separate Peace. Gene, a student at the Devon Prep School in New Hampshire, tries to understand the love, hate, and jealousy that he feels for his roommate Phineas, nicknamed "Finny." Knowles uses the Assembly Hall, the marble staircase, and the locker room to symbolize how ... directly connected to the events that took place during and after the Assembly Hall trial. Consequently, the marble staircase symbolizes how Gene's spiteful feelings ultimately cause Finny's death. At the end of the school session after Finny's death, Gene's cleaning out his locker is another symbolic act. Gene says, "Brinker went upstairs to continue his packing, and I walked over to the gym to clean out my locker" (193). As school ends for Gene, he still thinks of Finny. While cleaning his locker, Gene moves on from his school years and moves into adulthood. Gene reflects, "Phineas created an atmosphere in which I continue now ...
- 3093: Kamicaze Pilots
- ... were in their late teens, or early twenties. As the battle in Okinawa [April to June 1945] worsened, the average age of the pilots got younger. Some had only completed the equivalent of an elementary school and middle school combined. Some had been to college. There was a tendency for them not to be first sons. The eldest sons usually took over the family business. Most were therefore the younger sons who did not ... in military schools, and also were more aware of the world outside of Japan. All the pilots involved in the "Okinawa Tokko" had been trained in/as one of the following: The Youth Pilot Training School, Candidates for Second Lieutenant, The Imperial Army Air Corps Academy, Pilot Trainee, Flight Officer Candidates, Special Flight Officer Probationary Cadet, Pilot Training Schools, or Special Flight Officer Candidate (Ikuta 134). Since the Kamikaze attacks ...
- 3094: The Suspension Bridge
- ... withstand the swift currents and powerful winds of the East River. It could not get in the way of the hundreds of boats that traveled on the river every day. It had to be so high that the masts of tall sailing ships could easily pass under it. And it had to be long. The East River was nearly half a mile wide at that point. But John also knew about ... bridge. The construction of the towers was very different. Every day thousands of people watched in amazement from ferries and docks as three tall cranes, powered by noisy steam engines, hoisted each huge stone block high into the air and swung it into position. The excitement mounted as the towers grew taller, since most buildings then were less than 5 stories high, the 25-story tower must have seemed stupendous. Once the towers were finished, the two anchorages were built. The heavy roadway pulls down on the main cables, but the anchorages hold them firmly and ...
- 3095: Biological Warefare
- ... the Powers of the World are Parties; and To the end that this prohibition shall be universally accepted as part of International Law, binding alike the conscience and the practice of nations; Declare: That the High Contracting Parties, so far as they are not already Parties to Treaties prohibiting such use, accept this prohibition, agree to extend this prohibition to the use of bacteriological methods of warfare and agree to be ... 500 m away from the detector. Potential Biological Warfare Agents Bacillus anthracis or Anthrax-If bacteria are inhaled, symptoms may develop in two to three days. Initial symptoms resembling common respiratory infection are followed by high fever, vomiting, joint ache and laboured breathing, and internal and external bleeding lesions. Exposure may be fatal. Vaccine and antibiotics provide protection unless exposure is very high. Clostridium Botulinum Bacteria-Produces Botulinum toxin, which causes botulism. Symptoms appear 12 to 72 hours after ingestion or inhalation. Initial symptoms are nausea and diarrhea, followed by weakness, dizziness and respiratory paralysis, often leading ...
- 3096: Japanese Arts
- ... influence of the Zen religion of the samurai which at that time was the most powerful philosophy. The influence of China in painting was imitated the bold brush of the Song master of the Chang school. Known for his ink-splash landscape in the Ming style featuring abstract, tonal contrasts, Sesshu was the most celebrated Zen artist of the Ashikaga period (Tansey, Kleiner 540). In Japan the Yamato-e style of decorative painting continued after the fashion of Chinese painting in the ink outline paintings of Motonobu of the Kano school (Tansey, Kleiner 542). The Tosa and Kano schools of painting became less distinguishable after the sixteen the century (Tansey, Kleiner 543). In the Momoyama and Edo periods during the seventeenth century the decoration of screens ... color patterns as seen in Uji Bridge from the Nagoya Castle built about 1610 (Tansey, Kleiner 543). In addition to the decorative style of painting, two other Japanese trends emerged Nanga and Realism. Nanga, southern school painting, combined skilled brushwork with humor and decorative pattern. The large nosed person in Enjoyment of Summer Scenery from The Ten Conveniences and the Ten Enjoyments of Country Life exemplifies this style (Tansey, Kleiner ...
- 3097: Iliad By Homer
- ... death. Near the beginning of Book Three a group of elders of Troy, not fighting material, but skilled orators, are found resting on the tower "like cicadas that chirrup delicately from the boughs of some high tree in a wood." The cicadas song and the "tree in a wood" cast memories of repose and relaxation, rest and peace, which are then injected into the "delicate" elders. Later in Book Five, there ... the Acheans. In Book Twelve we have Polypoetes and Leonteus, defending the gate of the wall to the Greek ships from the invasion of the Trojans. These two imposing characters "stood before the gateslike two high oak trees upon the mountains, that tower from their wide-spreading roots, and year after year battle with wind and rain." This simile lends to the characters of the two, Polypoetes and Leonteus, along with ... the battle. Paris takes off "as a horse, stabled andfed, breaks loose and gallops gloriously over the plain to theplace where he is wont to bathe in the fair-flowing river- he holds his head high, and his mane streams upon his shoulders ashe exults in his strength and flies like the wind to the hauntsand feeding ground of the mares- even so went forth Paris from high Pergamus, gleaming ...
- 3098: Having Fun While Learning
- ... s mind is when will he be able to go out to play. Because he does not want to give up his cherished playtime, in order for the child to accept this new adventure, the school must incorporate playing in with learning. The child will be enticed to look forward to the next day of school. Several techniques can be applied to learning that allow the student to thirst for more knowledge, including the teachers themselves, computers, and the use of television. The first, and most important element, is the teacher ... every week (Dominick, Sherman, and Copeland 471). Research conducted on the show discovered several interesting facts. One of the findings was that kids who watched the television show on a regular basis scored higher on school readiness tests. Also, most appeared to have a better outlook on school and showed more progress overall (Dominick, Sherman, and Copeland 471). "Mister Roger's Neighborhood" seemed to influence its viewers to be more ...
- 3099: Effect On Pot
- ... had permitted myself to fall into the reverie I was perfectly unconscious, and knew only that it seemed to have lasted an interminable length of time." The user of cannabis feels the onset of the "high" between 7 seconds (when smoking) and up to 30 minutes (after eating). This involves a relaxed and peaceful, yet sometimes euphoric state of mind. At high doses, it can cause hallucinations. The effects last from 2 to 4 hours after the drug is ingested, and it usually leaves the user in a relaxed state for several hours after the high. One of the main intoxicating properties is that short term memory is inhibited for the duration of the high. Thoughts may seem unclear, and it might be difficult for a user to concentrate on ...
- 3100: Mars 2
- ... observed by the Viking landers and the Mars Pathfinder Rover are generally agreed to be volcanic in origin. Tharsis is the largest volcanic region on Mars. It is approximately four thousand kilometers across, ten kilometers high, and contains twelve large volcanoes. The largest volcanoes in the Tharsis region are four sheild volcanoes named Ascraeus Mons, Pavonis Mons, Arsia Mons, and Olympus Mons. The Tharsis Montes (Ascraeus, Pavonis, Arsia) are located on ... region, as well as all known volcanoes in the solar system, is Olympus Mons. Olympus Mons is a shield volcano 624 km in diameter (approximately the same size as the state of Arizona), 25 km high, and is rimmed by a 6 km high scarp. A caldera 80 km wide is located at the summit of Olympus Mons. To compare, the largest volcano on Earth is Mauna Loa. Mauna Loa is a shield volcano 10 km high and ...
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