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Fusion Energy
Number of words: 865 - Number of pages: 4

.... possible to force these atoms together and override their repulsion is through enormous heat, this method is called thermonuclear. Even though fusion reasearch still needs a lot of time, there has been some progress in discovering how we can use this. The two fusion reactions that are the most promising both involve the heavier isotopes of hydrogen: 1) deuterium (composed of one proton and one neutron) Deuterium occurs naturally as a minor constituent in all hydrogen-containing materials--such as water--in quantities sufficient to meet all the energy ne .....

Number of words: 521 - Number of pages: 2

.... make triglycerides also known as fat. There are also many other uses such as insulation and protection. They are also used in making cell membranes. They make it so that the cell can maintain it’s shape by keeping water and water-soluble compounds from passing through it. The lipids that are waxy are usually used to make protective coatings on the surface of plants and animals. Since a lipid is an organic compound it contains carbon. They also contain hydrogen and oxygen, but in some very complex chains there is also phosphorus and/or nitrogen. Lipids are .....

Solar Energy - The Energy Of The Future?
Number of words: 332 - Number of pages: 2

.... there must be another method. The concentrated beams of sunlight are collected in a device called a solar furnace, which acts on the same principles as a large magnifying glass. The solar furnace takes the sunlight from a large area and by the use of lenses and mirrors can focus the light into a very small area. Very elaborate solar furnaces have machines that angle the mirrors and lenses to the sun all day. This system can provide sizeable amounts of electricity and create extremely high temperatures of over 6000 degrees Fahrenheit. Solar energy generat .....

Acid Rain
Number of words: 2433 - Number of pages: 9

.... are sulfur dioxide and nitrogen oxides. usually forms high in the clouds where sulfur dioxide and nitrogen oxides react with water, oxygen, and oxidants. This forms a mild solution of sulfuric acid and nitric acid. Sunlight increases the rate of most of these reactions. Rainwater, snow, fog, and other forms of precipitation containing those mild solutions of sulfuric and nitric acids fall to the earth as . Water moves through every living plant and animal, streams, lakes, and oceans in the hydrologic cycle. In that cycle, water evaporates from the lan .....

The Noble Gases
Number of words: 454 - Number of pages: 2

.... is lighter than air. The element is found most common in the atmosphere of the earth. It is also found in the earth¹ s crust. It was discovered in 1898 by Sir Walter Ramsey and Morris W. Travers. Its uses include electric signs,lamps,and lasers. Argon is the most abundant and most used noble on earth. It was discovered by Lord Rayleigh and by Sir Walter Ramsey in 1894. Argon makes up about 1.2 % of the earths atmosphere. It is found naturally in rock and in the air. It is used for electric light bulbs and floursent tubes. It is also used a lot in industr .....

Ivf - In Vitro Fertilisation
Number of words: 1069 - Number of pages: 4

.... semen samples from the husband (or donor) are obtained. The most active and healthy sperm are selected by forcing them to swim through a culture medium. - The egg and sperm are placed together in a suitable medium for fertilisation to occur in a culture dish. If fertilisation does not occur after 72 hours, the oocytes (incompletely developed eggs) and sperm are disposed of. The resulting embryos are observed for the next few days. - A small plastic tube is inserted through cervix to place embryos into the uterus. The patient is able to go home a f .....

A Look At Anemia Related To Nutritional Issues
Number of words: 4320 - Number of pages: 16

.... fully utilize fuels. The oxygen is transported from the lungs to tissues throughout the body via red blood cells. Oxygen binds to hemoglobin, a specific molecule within each red blood cell. This molecule consists of heme, which is a red pigment, and globin, which is a protein. If the amount of functioning hemoglobin is reduced, a condition known as anemia arises" ("Anemia", 1). "The anemia that may result can take many forms, including that caused by a low iron level (iron deficiency anemia), a vitamin deficiency (megaloblastic anemia), a thyroid deficiency, .....

Stratospheric Observatory For Infrared Astronomy
Number of words: 178 - Number of pages: 1

.... focal plane instruments, with in-flight accessibility, provided by investigators selected from the international science community. The Observatory objective is to have an operational lifetime in excess of 20 years. The SOFIA project is in the early full-scale stage. The start of detailed system design is anticipated in the Fall of 1996. The German Space Agency (DARA) is a partner with NASA in the SOFIA project. DARA will provide the telescope and NASA will provide the rest of the facility including the 747 aircraft, aircraft modifications, on-board mission control system, ground facilities and support .....

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