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Energy Crisis - 464 words
Late in the autumn of 1973, energy (or the lack of it) grabbed headlines like never before. It was not until the war between the Arab countries and Israel that the United States noticed a sharp decrease in our oil supplies. This was due to the fact that we - the U.S. - were supplying aids and weapons to Israel. Arab, who produced the majority of the worlds oil, decided to punish us by cutting off our oil shipments. In November of the same year, President Nixon appeared on live television to inform the United States public about the crisis. He informed the people they were going to have the most crucial energy shortage since World War II. In order to conserve energy there were a few emergency ...
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Yoga - 1,056 words
Practicing Yoga is associated with establishing harmony, equanimity and balance. It has been well-publicized in the mainstream media, recommended to patients by their doctors, and praised by its many practitioners. Yoga can help relieve stress and tension in The definition of Yoga in the dictionary, is a Hindu theistic philosophy, teaching the suppression of all activity of the body, mind, and will in order that the self may realize its distinction from them and attain liberation. In a more general term yoga is a system of exercises for attaining bodily, mental control and well-being. Yoga means union. Union between ones individual consciousness and the Universal consciousness. Therefore, yo ...
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Policy Memo Global Warming - 1,815 words
Global Warming Is A Serious Issue That Should Have Immediate Attention As Vice President Al Gore has said about the threat of global warming, it is "the most serious problem our civilization faces" (2). It has become quite an issue internationally because of the threat of increasing greenhouse gasses. It is these gasses, when released into the air, accumulate and then trap the heat inside our atmosphere. Our climate is greatly affected by this. Therefore, affecting all of the organisms on earth, including humans. Usually these gasses should be able to move out into the upper atmosphere, where they are not as harmful. There are three important greenhouse gasses: Methane primarily comes from ...
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Alumionum - 1,029 words
... s, and soils contain aluminum compounds, but aluminum can be made inexpensively only from bauxite. Bauxite is the name for any ore that has a large amount of aluminum hydroxide- a chemical combination of aluminum oxide and water. Aluminum oxide, also called alumina, is the compound from which aluminum is made. Most bauxite consists of 30 to 60 percent alumina and 12 to 30 percent water. It also contains iron oxide, silica, and titanium oxide. The color of bauxite depends chiefly on how much iron oxide the ore contains. The more iron oxide it has, the darker the color. Bauxite may be white, cream, gray, pink, yellow, red, or brown. Most bauxite is as hard a s rock, but some is as soft as ...
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Nuclear Power - 1,494 words
Nuclear Energy The Earths natural resources are being used up at an extreme rate. As these resources lessen, people must seek alternative sources to generate electricity for heat and light. The only practical solution for the energy is nuclear power. Nuclear power however, is not as safe as burning coal, gas or oil in a factory. In fact, nuclear power is much more dangerous. There are dangers with nuclear power plants that far out-weigh the benefits to society. About 20 percent of our nation's total electrical consumption per year is supplied by nuclear power from the 100 or so nuclear power plants throughout the country. Even though atomic power has been in use for over 50 years it was basi ...
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Desert Tortoises - 1,127 words
Vulnerable to the harsh desert conditions, the desert tortoise spends almost all of its time waiting out extreme temperatures in its underground burrow. There, this armored, terrestrial turtle conserves its energy and stays relatively cool during summer months, and relatively warm during winter months. This turtle, Californias official state reptile, carries a high-domed tan to dark brown carapace (shell), which protects them from most predators. Yet even those shells are unable to shield the desert tortoise from such threats as the golden eagle and the automobile. Desert tortoises commonly dig their burrows in dry, gravelly soil beneath creosote bushes, large shrubs, or beside washes in the ...
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Aluminum - 1,331 words
Dear Xavier, Hello buddy! How is the weather in Paris? It is extremely cold in New York and there is snow all over the place. The reason I am writing is to give you the information you wanted on aluminum. I have everything you would possibly want to know about everything from mining to recycling, but I will begin with a little background on the element first. Aluminum is the third most abundant element in the Earth's crust and was probably formed during the birth of our solar system through collisions of hydrogen atoms under intense heat and pressure. Aluminum never occurs as a metal in nature and is only found in the form of its compounds, such as alumina, because of its strong affinity wit ...
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A Nuclear Reactor - 1,603 words
The term Nuclear Reactor means an interaction between two or more Nuclei, Nuclear Particles, or Radiation, possibly causing transformation of the nuclear type; includes, for example, fission, capture, elastic container. Reactor means the core and its immediate container. Nuclear Reactors are used to produce electricity . The numbers of Nuclear Reactor plants have grown sufficiently . Electricity is being generated in a number of ways, it can be generated by using Thermal Power. It can be employed by using two basic systems a Steam Supply System and an Electricity Generating System these two systems are related to each other. The Steam Supply System produces steam from boiling water by the bu ...
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Acid Rain - The Deadly Destroyer - 1,188 words
... few examples of how wide spread the acid rain problem is on just man made structures. Effects on Humans When acid rain falls on humans it has really no adverse effect on the outside, humans can even swim in acidic lakes and its doesnt harm them. The serious effects start to take place on the inside of the body and that is respiratory problems. When sulfur dioxide and nitrogen oxide emissions gives risk to respiratory problems such as dry coughs, asthma, headaches, eye, nose, and throat irritation. Polluted rainfall is especially harmful to those who suffer form asthma or those who have hard time breathing. Even healthy people can have their lungs damaged by acid air pollutants. Acid rai ...
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Plumbing/hvac - 956 words
Plumbing/HVAC provides many job opportunities that are extremely available, require quick and easy training, and careers that yield considerably high wages. Low cost training and high paying jobs make plumbing/HVAC a exceedingly valued field. Most of the training to become a service man only requires two years of classes or less in most cases. Plumbing /HVAC jobs one of the most rapidly increasing employment opportunities in the world, and they offer involvement in business ownership. Plumbing is the background for all other major trades whether it is refrigeration or heating ventilation. The first of three major types of plumbing is construction plumbing. Construction plumbing usually requi ...
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Technology Of Submarines - 1,446 words
One had been swayed by the Yellow Submarine, that cool Beatles number of the 60s. This one looked cool too. And mysterious. As it lolled on the gentle waters off Visakhapatnam, this mean machine seemed to hide Cimmerian secrets in its bosom. And some 70 men. The invitation from Commander S. Dasika of the Eastern Naval Command was too tempting to forego, in spite of the claustrophobic rush at the mention of a submarine. It is not often that one gets a chance to visit an Indian Navy submarine. An officer looks through the periscope This one was docked after a return from a mission on the high seas. We took a small ride to the sub, and walked across a little plank to stand atop its fin. Everyth ...
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The Progressive State Of California - 600 words
Our world is evolving for the good and also the bad. California is progressing extremely rapidly and growing more quicker than anywhere else in the United States. Our resources, beautiful weather, job opportunities, and benefits lure in non-Californians. The population in California is dangerously increasing. Researchers predict that the states population will double in only thirty seven years. Thats sixty-five million by the year two thousand and thirty-seven. (www. Cap-s.org) A large population leads to traffic jams, power outages, lower supply of water, food, homes, and unemployment. Congestion and pollution results from bigger industries and power plants trying to support the growing mas ...
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What Can Be Done To Help Save The Earth's Environment - 971 words
Our planet is in great danger. For the last one hundred or so years, the people of earth have wasted and misused the natural recourses of earth. Several plans have been developed to stop the abuse of earth. Some of these plans I will discuss in this essay, many of which can be executed by any one. Environmental problems have become so complex that many individuals feel they can have no effect on them. Problems like oil spills, hazardous waste, loss of rain forests, endangered species, acid rain, the ozone layer, the municipal waste crisis can feel out of our control. At the very least, these problems require group and corporate action or government intervention. However, there are some thing ...
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The Physics Of Scuba Diving: Swimming With The Fish - 1,163 words
... horizontally through the water like true swimmers, instead of being lowered vertically in a diving bell or in hard-hat gear. The later use of a single-lens face mask, which allowed better visibility as well as pressure equalization, also increased the comfort and depth range of diving equipment (Tillman, 27). Thus the development of scuba added a major working tool to the systems available to divers. The new mode allowed divers greater freedom of movement and access to greater depths for extended times and required much less burdensome support equipment. Scuba also enriched the world of sport diving by permitting recreational divers to go beyond goggles and breath-hold diving to more ext ...
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The Physics Of Scuba Diving: Swimming With The Fish - 1,142 words
... sk is needed because the human eye cannot focus without any air space in front of it. A mask provides the air space. Without the mask, you can see large objects, but they will be blurred and indistinct because your eyes cannot bring the rays of light into sharp focus. Only by wearing a mask can you see sharply (Ascher, 9). Light travels at a different speed in water than in air. When light enters the air in your mask from the water, the change in speed causes its angle of travel to shift slightly. This causes a magnificent effect that makes objects under water appear 25% larger and closer (Ascher, 52). Water has other effects on light. As you descend, there is less light. This is due to ...
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Global Warming - 1,603 words
By the middle of the twenty first century, there is evidence that the Earth will be warmer than it has been at any time in human history, and quite possibly since the end of the dinosaurs, some 65 billion years ago. If we stay at the rate we our now (fossil fuel consumption / growth in population) then within the next two century the Earth's air might not be fit to breath. Many people in the world do not think that this is a major concern and that it is normal for the Earth's temperature to increase. However, if this temperature increase is put into perspective of several hundred years, there will be many devastating effects. This is why most scientists view global warming as a very serious ...
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