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Search results 3761 - 3770 of 12257 matching essays
- 3761: Aerosol Spray Cans
- ... very fine spray. They do this by means of a pressurized propellant, which is a liquid that boils at everyday temperatures. Inside the can, a layer of gaseous pressure increased, and eventually it becomes so high that boiling stops. when the nozzle is pressed, the gas pressure forces the product up the tube in the can and out of the nozzle in a spray or foam. The propellant may emerge as ... is becoming increasingly common among young middle-class teenagers. It is a cheap, and sometimes deadly, thrill. Bibliography: Aylesworth, T.G. It Works Like This. Garden City: Doubleday & Company, 1968. Casey, Maura. "When a quick high may be quick death." The New York Times 30 July 1995 sec:cn p:4 col:5 Flexner, Bob. "Finishes for small projects." Workbench March 1994 Kaplan, Justine. "Continuum: Are the Ninja Turtles misinformed?" Omni ... 1994 sec:B P:1 col:1 Stepp, Laura Sessions. "Ringing the alarm on aerosols: Inhalants & Poisons. Awareness Week." The Washington Post 21 March 1994 sec:C p:5 col:5 Trebilcock, Bob. "The new high kids crave." Redbook March 1993
- 3762: Acetylation of Ferrocene
- ... phase; specifically, silica or alumina gel is used. Through this polar stationary phase, a mobile liquid phase is passed. Now, one can think of a polar stationary phase as a bully that waits in the high school halls for his hooligan friends. His hooligan friends, hooley's as I like to call them, always stay back to talk him; the rest of the normal student body simply keep walking and pass him ...
- 3763: Adolf Hitler
- ... in Braunau am Inn, in Austria, on April 20, 1889, the third son of Alois and Klara Hitler. The family moved around a lot, including to Linz, Leonding and other places. Hitler did well in school at the beginning, but his marks got progressively worse as time went on. His father died when he was 14, his mother when he was 18. He tried twice to enter the Academy for Art ... the removal of the Jews from German society. The Nazis tried to seize power by force in November 1923 (called the Beer Hall Putsch), but were thwarted by the Munich police. Hitler was Convicted of high treason and sentenced to prison, where he served about a year. During that time, he began to write Mein Kampf ("My Struggle"), which later became the second Bible in Nazi Germany. Hitler resolved to achieve ...
- 3764: Alexis De Tocqueville (1805-18
- ... to Paris so Herve de Tocqueville could assume his position in the royal court of the Bourbon king Louis XVIII. In 1820, Tocqueville was sent to Metz were he studied rhetoric and philosophy in secondary school and the college royal. He then returned to Paris to study law in 1825. He was then appointed as a juge auditeur (mediator) in Versailles were he met Gaustave de Beaumont, who became a life ... to New York where they boarded a ship to return home. They traveled on foot, horse, stage coach, and steam boat. Beaumont and Tocqueville met with several people of different backgrounds and ambitions, from the high society and the impoverished. Many reflections were made in Tocqueville's journal. One was of his experience of the July 4th celebration. He writes, "Ceremony of 4th July. Mixture of impressions, some funny, some very ...
- 3765: Allen Ginsberg
- Allen Ginsberg Allen Ginsberg was born in Newark, New Jersey on June 3, 1926. His father, Louis Ginsberg, was a published poet and a high school teacher. His mother, Naomi, was a radical Communist, paranoid, psychotic, and died in a mental institution in 1956. Ginsberg also had a brother who became a lawyer in Paterson, New Jersey. Ginsbergs childhood was ...
- 3766: Albert Einstein
- ... his 1921 Nobel Prize was awarded not for Relativity, but for his theory of the Photoelectric Effect. Albert Einstein was born on March 14, 1879, to middle-class Jewish parents in Ulm, Germany. He disliked school because of the mindless drilling. He much preferred to study at home, especially geometry and books on popular science. At the age of 12, these studies came into conflict with his deep religious feelings when ... could not be true. He blame his lifelong distrust of authority. This no doubt led to the ease with which he was able to discard long-standing scientific prejudices. Around 1886 Albert Einstein went to school in Munich. He also learned how to play the violin from the age 6 to 13, he also had religious education at home where he was taught Judaism. Two years later he entered the Luitpold Gymnasium and after this his religious education was given at school. He studied mathematics, mostly calculus, beginning around 1891. In 1894 Einstein's family moved to Milan but Einstein remained in Munich. In 1895 Einstein failed an examination that would have allowed him to study ...
- 3767: Wavelength of 10 or Higher and 11 down. Gamma Rays are produced in labs
- ... Spectrum that have a Wavelength of 10 or Higher and 11 down. Gamma Rays are produced in labs through the process of nuclear collision and also through the artificial Radioactivity that accompanies these interactions. The high energy nuclei needed for the collisions are accelerated by such devices such as the Cyclotron and synchrotron. There are also many uses for Gamma rays in Medicine. Gamma Rays are used in medicine to kill ... materials in rocks and soil. We take some of these materials into our bodies from the air we breath and the water we drink. Gamma rays passing through our bodies produce ionization in the tissue. High levels of gamma Radiation can produce ionization of the tissue and cause skin cancer. There are many ways in which we can protect ourselves from these harmful affects Protection from gamma rays can be obtained ... absorbs all the gamma ray exposure. Many Gamma rays also come from outer space in a few major bursts the sun produces gamma rays with energies up to one million electron volts. The interaction of high energy electrons, Protons, and Nuclei of the sun, emit the rays. Gamma rays can also come from the other stars in space, Through the creation and death of the stars along with the creation ...
- 3768: Galileo Galilei "founder of modern experimental science"
- ... work and patience.... Galileo was born during the renaissance in Pisa, Italy on February 15, 1564. He was raised by his mom, Giulia Ammanati, and his dad, Vincenzo Galilei. His family had enough money for school, but they were not rich. When he was about seven years old, his family moved to Florence where he started his education. In 1581, his father sent him to the University of Pisa because he ... he studied medicine and the different theories of the scientist Aristotle. He was not interested in medicine, but soon he became interested in math. In 1585, he convinced his father to let him leave the school without a degree. Galileo was a math tutor for the next four years in Florence. He spent a lot of the four years studying the scientific thoughts and philosophies of Aristotle. He also invented an ... sun and all of the planets move around the earth. Teaching these courses, he became more understanding of astronomy. In 1592, the University of Padua gave him a professorship in math. He stayed at that school for eighteen years. He learned and believed Nicolaus Copernicus's theory that all of the planets move around the sun, made a mechanical tool called a sector, explained the tides based on Copernican theory ...
- 3769: Satellites
- ... Gossard did not work alone, he was also in partnership with a Russian theorist named Konstantin Tsiolkovsky. Tsiolkovsky was born on September 7, 1857. As a child Tsiolkovsky educated himself and rose to become a High School teacher of mathematics in the small town of Kaluga, 145km (90mi) south of Moscow. In his early years Tsiolkovsky caught scarlet fever and became 80% deaf. Together, the theoretical work of Russian Konstantin Tsiolkovsky and ...
- 3770: Egyptians
- ... look to the stars? There may be an answer.\par \tab From the sky there is another facit to the theories of extraterrestrials on earth. From an airplane, one can see an ape, 260 feet high included in a geometrical system of lines drawn with an extreme accuracy that would have been inconceivable without a knowledge of surveying. There are also pictures scratched on the hillsides near Nazca that show figures several yards high, with radiating crowns, similar to the aureoles in Christian painti ngs. In Peru there are worshipping figures in rock drawing, they have zigzag lines that are attributes on the gods, according to Peruvian tradition. How could these be made? They are high sophisticated designs that are to large to do while on the ground, without a way to see it. \par \tab We have only looked at a very small portion of the evidence. There are ...
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