PAPER Topics

... side, and two on the other side of the wood on each wire. Calculating Machines and their Inventors: Through the centuries, several mathematical geniuses invented machinesto aid them in their calculations. The machines were never widely used and generally had no direct path to the later development of electronic computers. Example: Pascal: Blaise Pascal (1623-1662) a French matematician, invented the first mechanical adding machine at age 19 in 1642. He became tired of adding long columns of figures while helping his father, who had been appointed administrator of Rouen by Cardenal Richelieu. His device had teen toothed wheels and many gears. Rotating wheels developed sums. A car ...

... that produces electricity silently, without combustion. Hydrogen fuel, which is one of the most abundant chemicals in the universe, and oxygen from the air are electrochemically combined in the fuel cell to produce electricity. Heat and pure water vapour are the only by-products of the fuel cell. The Ballard Fuel Cell is made up of two electrodes, the anode and the cathode, separated by a polymer membrane electrolyte. Both the anode and the cathode are coated in a thin layer of platinum catalyst. At the anode, hydrogen fuel is changed into free electrons and protons. The free electrons are sent in the form of usable electric current through an external circuit. The remaining protons a ...

... vast resources but we fail to see the harm that we are doing, and will continue to do if we do not stop these actions. Although his approach for explaining his beliefs changes, Suzuki's tone of great concern remains consistent throughout the essay. After his views are presented, Suzuki begins to tell us what we have done to our country and how we are destroying it. Present day Canadians are compared to native Canadians which successfully serves its purpose in illustrating how, for centuries, people lived off the natural resources in Canada. With the development of science and technology, we have developed better ways of mass harvesting resources but these methods are taking at a faste ...

... to blow it up and potentially causing a “Floating Chernobyl”(Paddock-thestar.com). He talked to his mother and then he just killed himself. When scientists and nuclear activists got a hold of this story “it sent shivers through their spine” (Paddock-thestar.com). This was because one day they know that one suicidal teenager will actually have the guts to just blow himself up with all those nuclear warheads. Russian officials were quick to say ,“the submarine and the people (in the vicinity) were safe.” A former Russian navy captain said, “ It is really scary that one day the use of nuclear arms may depend on the sentiments of some ...

... in accessing video and DVD movies can play a large part in the decision of which component is right for the consumer.METHODSThe beginning of any research project is in the decision of a topic to research. I chose to research the differences between the VCR and DVD home entertainment systems because the intricacies of the systems and the ways in which they work greatly interest me. I began my work using ordinary encyclopedias, found in the Rosewood High School branch of the Wayne County Public Library. Due to the technical nature of my topics, there was very little information in the encyclopedias dealing with these topics. While I did receive some information on the background of h ...

... weeks to work and lasts many years. There are many vaccines to prevent Encephalitis and some of the most common diseases in this topic are Measles, Mumps and Rubella, Meningitis, Japanese Encephalitis and Mosquito and Tic Bourne Encephalitis. Measles, Mumps and Rebella viruses are all associated with Encephalitis and all can be prevented with the same vaccine. Commonly known as the Measles vaccine it is administered by injection under the skin in the thigh or shoulder. Side effects from the measles vaccine may include a rash that rapidly fades and a high fever that occurs five to 12 days after the immunization and lasts one or two days. Meningitis, another common Encephalitis cau ...

... other smaller slides happened and those were the one that took lives in Anchorage, and destroyed property There are a couple of types of avalanches and how the destroy so much this one is named "Loose Snow Avalanches"1, it starts' in a small area then grows in size and mass as it descends.Another type is the "Slab Avalanche" it actually starts in a large area of ice and snow and then begins to slide. On September 12 of 1717 crusaded down the Troilet, Italy glacier, gaining speed on a cushion of air reaching a falling velocity of km/hr over a 3600 m fall. Two towns were destroyed, with seven people killed and a 120 cows lost. The slosh of an avalanche ran up the far side of the valley at ...

... Japanese were poisoned by fish that contained methyl mercury. The mercury came from industrial waste that had been dumped into the bay where the fish were caught. The mercury bioaccumulated up the food chain. The cats the were eating the fish showed the symptoms first. They began to act very strange; running into walls and acting like they were "in a trance." The people in the village developed mental retardation, insanity, and birth defects from eating the poisoned fish. Fifty people died and 150 people suffered from these disorders. Another example of mercury's effect on people and the environment comes from the saying "mad as a hatter." In the 1800's, hats were made with mercury ...

... methyl alcohol. RESEARCH OF THE PROBLEM To start my project, I researched vinegar. Vinegar is a sour liquid with a pungent odor, containing acetic acid, and is made by fermenting dilute alcoholic liquids such as cider, wine, or other fruit juice. Vinegar is used as a condiment, preservative, and in certain medicines (2: 1214). Ethyl Alcohol is also used in medicines. The formula for this is C2H5OH. It is a colorless liquid with mild characteristic odor. Also known as ethanol, the compound is miscible in all proportions with water or ether (1: 361-362). When ignited, ethyl alcohol burns in air with a pale blue, transparent flame. While burning, it produces H2O and CO2. The vapor f ...

... between 300 and 700 degrees Fahrenheit, is brought from an underground reservoir to the surface and is converted to steam by using changes in pressure. The steam and liquid are separated, with the steam turning turbines (generating electricity) and the water is injected back into the reservoir to maintain the chamber's pressure. Sometimes the hot water is used directly for home, and sometimes greenhouse, heating. It is also used to speed up the growth of aquatic animals (aquaculture). II. Dependency on Geothermal Energy Although we (the United States) are not taking advantage of all of the geothermal sources in the United States, the source is here today; it is not merely a hope for th ...