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Essays on Science

The Roswell Incident
Download This PaperWords: 2552 - Pages: 10

... in Roswell in 1947, the American people may never fully trust the government again. The Roswell incident is a very sketchy ordeal in which many people have different accounts. There is and was never any doubt that something crash landed. On July 8, 1947 the headline of the Roswell Daily Record read "RAAF Captures Flying Saucer on Ranch in Roswell Region." The next day, the headlines read "Weather balloon was mistaken as UFO." Many people wonder how someone with military experience could mistake a weather balloon for a UFO, which is why they are inclined to believe the first military report. From this point on, many people were suspicious of the United St ...



Cloning
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... Within the contents of this paper, I will analyze the elements of individualism and collectivism that exist in the controversial topic of cloning. When Dr. Ian Wilmut, a 52-year-old embryologist at the Roslin Institute in Edinburgh announced on that he had replaced the genetic material of sheep's egg with the DNA from an adult sheep, and created a lamb (Dolly), the topic of cloning "created" many new questions of its own. None were as controversial as: Will they apply this to humans as well? According to Dr. Wilmut, the answer was "there is no reason in principle why you couldn't do it"(clone humans), but he added, "All of us would find that offensive." ...



Solar Cells
Download This PaperWords: 1165 - Pages: 5

... and each proton one positive charge. Neutrons carry no charge. Every atom has the same number of electrons as there are protons, so, on the whole, it is electrically neutral. The electrons have discrete kinetic energy levels, which increase with the orbital radius. When atoms bond together to form a solid, the electron energy levels merge into bands. In electrical conductors, these bands are continuous but in insulators and semiconductors there is an "energy gap", in which no electron orbits can exist, between the inner valence band and outer conduction band [Book 1]. Valence electrons help to bind together the atoms in a solid by orbiting 2 adjacent nucleii, whi ...



Acid Rain
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... most of the rest. In the air, the sulphur dioxide and nitrogen oxides can be transformed into sulphuric acid and nitric acid, and air current can send them thousands of kilometres from the source.When the acids fall to the earth in any form it will have large impact on the growth or the preservation of certain wildlife. NO DEFENCE Areas in Ontario mainly southern regions that are near the Great Lakes, such substances as limestone or other known antacids can neutralize acids entering the body of water thereby protecting it. However, large areas of Ontario that are near the PreİCambrian Shield, with quartzite or granite based geology and ...



Crystals: Does Surface Tension Affect The Process Of Crystallization?
Download This PaperWords: 1915 - Pages: 7

... AND RESEARCH Many scientists have been interested in crystals and the science associated with crystals. Though one knows that certain conditions must be present in order for crystals to form; and if some of these conditions are not present or are not perfect, then the formation of the crystal will be disturbed. One may ask him/herself, how is the formation disturbed if only one of the condition would happen to be modified? Most crystals are formed under water or under liquids with similar characters to water; and tend to form under liquids or solutions containing a maximum amount of solute. If the liquid absorbs additional solute, then the solution is ...



White Shark: Summary
Download This PaperWords: 993 - Pages: 4

... of Connecticut. They marked their spot with a buoy and went about their way. That same day two fisherman were fishing and found the buoy that had the marine institute logo on it so they decided to take a dive. They ended up diving right down to the steel boxes that contained the "White Sharks". The men were curious and so they opened the box. Nothing happened at first and then glowing eyes caught their attention. One guy was killed. The other guy managed to get away and swim for about 200 yards and then he was down. The men's bodies washed up on shored weeks later. That's when Chase and Tall Man knew there was something in the water and it was ...



Bulemia
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... library hoping to consume as much information as possible to prove Parents' Magazine wrong. I found several medical journals, psychiatric journals, and books on the topic of eating disorders that could affirm my feelings. As I tried to rationalize my friend's behavior, I decided that social acceptability had to have played a large part in her illness. I also took into account that her mother had passed away about 7 years before she broke her news to me, and she had also given up her crown as Miss Iowa, so depression could have been a factor as well. Another aspect of eating disorders that I discovered is a lack of self-esteem, something I ne ...



Mercury Report
Download This PaperWords: 1920 - Pages: 7

... probably differentiated into a dense metallic core, and a silicate crust. After the intense bombardment period, lava flowed across the surface and covered the older crust. By this time much of the debris had been swept up and Mercury entered a lighter bombardment period. During this period the intercrater plains formed. Then Mercury cooled. Its core contracted which in turn broke the crust and produced the prominent lobate scarps. During the third stage, lava flooded the lowlands and produced the smooth plains. During the fourth stage micrometeorite bombardment created a dusty surface also known as regolith. A few larger meteorites impacted the surface and left brig ...



Ethical Procedures And Guidelines Defining Psychological Research
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... rules really encompass a few broad but very important ideas. One of these ideas is protecting the dignity of the subjects. Another important component of this code refers to consent. All of these will be explained in greater detail below. Another gray area in psychology lies in the deception of subjects. There are some basic rules guiding how deceptions can be carried out. There is a large section of the code that was made with regards to animal research. The last major section of the ASA ethical guidelines has to do with giving credit where credit is due, and information sources. All of these regulations make research safer for the subjects and increase ...



Calories
Download This PaperWords: 439 - Pages: 2

... 69) Antoine was on the right track; he merely got on the wrong train. Benjamin Thompson, also an eighteenth century scientist, observed that while drilling through brass with a dull bit he could produce enormous amounts of heat yet not get very deeply into the brass. This led Mr. Thompson to the conclusion that heat was the product of work, not the invisible fluid caloric. Joseph Black, yet another scientist of the seventeen hundreds, discovered that it took different substances varying amounts of heat to raise one gram of a substance one degree Celsius. He called this specific heat. Mr. Black also noticed that when mercury at fifty degrees is mixed with ...




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