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What Is Physics?

... observations by Tycho Brahe, into the description of planetary motions, an area of physics, that is still accepted today. Newton’s Three Laws of Motion are also famous in physics today. He arrived at his results of these laws, by inventing a form of entirely new branch of mathematics, calculus, which has become an essential tool in most branches of physics. Therefore, I have come to state that physics is considered as “a body of knowledge and as the practice that makes and transmits it. The growth of physics has brought not only fun ...

Number of words: 2017 | Number of pages: 8

Elephantiasis

... tissues. It results from a long term interference with the flow of lymphatic fluid away from these tissues. The most frequently affected part is the leg. The most common cause of lymphatic obstruction is filaries. Filaries is caused chiefly by the species Wuchereria. When you have wherever it is located your skin will become rough and thickened like the skin of an elephant. Over 1 billion people in 73 countries are at risk of getting elephantiasis, and there are over 120 million people who already have it. New research has ...

Number of words: 291 | Number of pages: 2

Caffeine

... a potent anpheteminelike stimulant. is moderately soluble in water. readily passes through cell membranes. After is ingested it is absorbed from the stomach and intestines into the bloodstream which then gets distributed to all the organs of the body. In the bloodstream travels to the liver, where it is converted into a number of breakdown products where it is excreted in the urine. Many people like to start their day with coffee. It's probably not so much the taste rather is the jolt it gives them. Unfortunately, has undesirable eff ...

Number of words: 742 | Number of pages: 3

Constellations

... even spotted the Southern Cross, but what about Leo the Lion or Pisces the Fish? What are they? The are totally imaginary things that poets, farmers and astronomers have made up over the past 6,000 years (and probably even more!). The real purpose for the is to help us tell which stars are which, nothing more. On a really dark night, you can see about 1000 to 1500 stars. Trying to tell which is which is hard. The help by breaking up the sky into more manageable bits. They are used as mnemonics, or memory aids. For example, if you spot three ...

Number of words: 660 | Number of pages: 3

Chemistry Hits The Beach

... has led to the sun-worshipping of everyone from the golden gods to the fair-skinned "burn 'n peelers", which results in a copious amount of lotions and creams being slathered on everyday. These lotions are, usually, sunscreens or sunblocks, meant to protect us from the blisters, the pain, and in general to keep our youthful glow lasting just a few years longer. A sunguard is a cream designed to protect one's skin from being sunburned. Our bodies are incrementally damaged by each new exposure to the sun, and this damage can later be s ...

Number of words: 998 | Number of pages: 4

Lamarck's Influence On The Development Of Darwin's Theory Of Evolution

... been many scientists who preceded him. These earlier evolutionists came up with models of evolution that were unfortunately unworkable. One of these early pioneers was Jean- Baptiste Lamarck. Lamarck believed in deism and advocated natural religion based on human reason. He believed in the harmony and rationality of the world. And although flawed, the work of Lamarck did not go unnoticed, however. Darwin also believed in the harmony of the world, and it was Darwin himself who said that Lamarck was the first man whose conclusions on evolution b ...

Number of words: 1954 | Number of pages: 8

Light

... is water with an oscillating surface. Photons are bosons, and have a quantum spin of 1. has the properties of both particle and waves. If we look for photons we will find them, but if we look for wave -like properties we can see them too. However, we cannot see both particle and wave properties at the same time. It is often useful to confine in an optical-cavity. This allows us both to make more intense , as well as select of a particular colour (or energy). ¨ travels at a speed of 2.99792458x10^{8} ms^{-1} ¨ When passing though ma ...

Number of words: 815 | Number of pages: 3

History And Development Of The Internet

... of the nation were located deep underground in mountains in fear of nuclear war. (Diamond, 3). Paul Baran, working for the U.S. Air Force, developed a network that could reroute itself around damage caused by the impact of an Intercontinental Ballistic Missile by using "redundancy of connectivity". This meant that in the event of a break in the network the server would re-route the information in an alternate path through a new technique called "packet switching". Packet Switching is a means of breaking up the message being sent into smal ...

Number of words: 956 | Number of pages: 4

Climatic Change And Its Effect On Society

... forests to supply trees which in turn supply wood for construction. Other resources include oil and animals (livestock). In the focus of wood, there is the Western Canadian Boreal Forest which is a large producer of wood for the United States construction industry. However, climatic changes has had large and impacting effects on the construction industry. Compared to eastern Canada, the southern boreal forest region of western Canada has a relatively dry climate. Thus, drought effects are one of the major concerns being addressed by researche ...

Number of words: 844 | Number of pages: 4

Give An Overview Of Life Through The Tertiary, In Relation T

... the mammals, which were universally small and inconspicuous at the start of the Paleogene interval but in many ways resembled modern mammals by the period’s end. The most profound geographic change during Paleogene time was a refrigeration of Earth’s polar regions, which resulted in a chilling of the deep sea and, later in the Cenozoic Era, in widespread glaciation. Paleogene mountain-building events in western North America foreshadowed Neogene uplifts of such ranges as the Sierra Nevada and the Rocky Mountains. During the Neogen ...

Number of words: 1368 | Number of pages: 5

Dvd Vs. Vcr

... to the purchase price of both systems, as well as the cost of movies and maintenance. A second consideration of consumers when choosing between VCR and DVD should be the video and audio quality. Various technical factors can alter the quality of both picture and sound in both of these systems, making picture and audio quality a major consideration when shopping for home entertainment components.A final consideration that consumers should give special attention is the accessibility of the systems. In today’s growing entertainment market, the ...

Number of words: 2115 | Number of pages: 8

An Argument For Animal Research

... animal research so that needless death of animals are not rendered, but it is absolutely different to argue that animals have rights which supersede human subsistence. "For most of the past decade, the animal-rights movement hasn't merely opposed animal research; it has tried to destroy it." ( ¯The Wall Street Journal®, "Animals and Sickness", Page 378.) Animal rights advocates and activists generally have ethical objections regarding treatment of animals during experimentation, but the use of animals in research for the benefit of all ...

Number of words: 621 | Number of pages: 3

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