Science
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4,610 Essays on Science. Documents 3,601 - 3,630
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Sound Waves
sound waves Sound is a series of compression waves that moves through air or other materials. These sound waves are created by the vibration of an object, like a radio loudspeaker. The waves are detected when they cause a detector to vibrate. Your eardrum vibrates from sound waves to allow you to sense them. Sound has the standard characteristics of any waveform. Sound is a waveform that travels through matter. Although it is commonly in
Rating:Essay Length: 845 Words / 4 PagesSubmitted: March 2, 2010 -
Sources of Energy
Solar Energy Solar energy is light and heat energy from the sun. Solar cells convert sunlight into electrical energy. Thermal collectors convert sunlight into heat energy. Solar technologies are used in watches, calculators, water pumps, space satellites, for heating water, and supplying clean electricity to the power grid. There is enough solar radiation striking the surface of the earth to provide all of our energy needs. There are two main ways of using solar energy
Rating:Essay Length: 1,624 Words / 7 PagesSubmitted: January 26, 2010 -
South-East Queensland Regional Plan, Sustainability
South-East Queensland Regional Plan, Sustainability South East Queensland (SEQ) is experiencing a substantial growth in population and is expected to have an extra one million people by 2026. To deal with the growing population, a regional draft plan has been created (Mackenroth 2005). It includes strategies and objectives (table 1) in an effort to achieve a sustainable South East Queensland in 2026. The regional growth will put enormous pressures on the social, economic and environmental
Rating:Essay Length: 321 Words / 2 PagesSubmitted: December 23, 2009 -
Space
The System Development life cycle consist of seven phases: planning, systems analysis, development, testing, implementation, maintenance. Step one in the planning process is understanding what is needed from the program, then outlining a proposed plan; the budget and a detailed development schedule. Step two would be the systems analysis, which can consist of several types of analysis: economic, technical, operational, schedule. This step two process is used to determine whether a company should modify an
Rating:Essay Length: 280 Words / 2 PagesSubmitted: April 9, 2010 -
Space Exploration
People have been venturing out into the universe for many years now. In addition to satellites, both women and men astronauts have traveled into space to collect data about the universe. The first human being, the first animal, and the first spacecraft in orbit, were all achievements of the Soviet Union. In 1958 a group known as The National Aeronautics and Space Administration (NASA) was founded. The first probe to escape Earth's gravity was
Rating:Essay Length: 660 Words / 3 PagesSubmitted: April 17, 2010 -
Space Probes
Deep Space Probes 4 Have you ever considered life on other planets, or maybe galaxies that we have never heard of? Thanks to space probes these dreams may become a reality sooner than u think. In the past years there have been many space probes launched and even more discoveries made by them. These probes are helping people to better understand our solar system and everything it. They are also helping to make many
Rating:Essay Length: 1,677 Words / 7 PagesSubmitted: April 17, 2010 -
Space Shuttles in Motion
Space is the final frontier for mankind. It is the most unknown aspect of human life. The most effective way for further exploration and to conduct experiments in space is the travel into space using space shuttles. Space travel is important but it is a high risk procedure. If something happens to a shuttle while in launch, orbit or landing, it is near on impossible for the lives of the astronauts to be saved. This
Rating:Essay Length: 1,182 Words / 5 PagesSubmitted: November 27, 2009 -
Space Tourism
Key Notes: Space Tourism is the term that's come to be used to mean ordinary members of the public buying tickets to travel to space and back. Many people find this idea futuristic. But over the past few years a growing volume of professional work has been done on the subject, and it's now clear that setting up commercial space tourism services is a realistic target for business today. But this idea of Space Tourism
Rating:Essay Length: 3,705 Words / 15 PagesSubmitted: December 7, 2009 -
Spacecraft Constructions
Elizabeth Elizabeth I: Cate Blanchett Sir Francis Walsingham: Geoffrey Rush Duke of Norfolk: Christopher Eccleston Robert Dudley, Earl of Leicester: Joseph Fiennes Sir William Cecil: Richard Attenborough Mary of Guise: Fanny Ardant The Pope: John Gielgud Directed by Shekhar Kapur. Written by Michael Hirst. Running time: 124 minutes. Rated R (for violence and sexuality). BY ROGER EBERT The England of the first Elizabeth is a dark and sensuous place; the court lives intimately with treachery,
Rating:Essay Length: 1,012 Words / 5 PagesSubmitted: November 14, 2009 -
Spain’s Aids Problem
Spain is a relatively healthy and productive country. There is a total population of 41,060,000 people. The life expectancy at birth is about 76 years for males and 83 years for females. The child mortality is .5% for males, and .4% for females. As you can see, Spain is a fairly healthy country. Their total health expenditure is $1,640 per capita, and this is 7.6% of the Gross Domestic Product (GDP). Spain’s economy supports a
Rating:Essay Length: 1,584 Words / 7 PagesSubmitted: February 4, 2010 -
Spamassassin
SpamAssassin by... Electronic Mail has become one of the primary services in the Information Age. Virtually all Internet users have at least some form of email account, from a Corporate CEO to your average grade schooler. With a service so prolific and inescapable, it seems it was just a matter of time before advertisers began to target digital mail-boxes along with “customers” postal mail-boxes. Spam is hardly a new convention. Basically a form of
Rating:Essay Length: 1,575 Words / 7 PagesSubmitted: December 10, 2009 -
Sparcassembly
CSE 30Final Review Read Ch. 1 - 14 in textbook Review all Programming Assignments C, SPARC Assembly, command line args, errno, functions used in PAs including perror(), strtol(), fopen(), fclose(), strtok(), qsort(), fgets(), printf(), fprintf(), strncpy()/memcpy(), strlen(), strchr(), malloc()/calloc()/realloc(), free(), getopt(), strcmp()/strncmp(), stat(), fread()/fwrite(), bsearch(), ... Review the Midterm and all Quizzes (and Sample Exercises) Everything from the Midterm Review material Stack/Local Variables 1-d arrays, 2-d arrays, 3-d arrays storage map equations (a[i], a[i][j], a[i][j][k])
Rating:Essay Length: 592 Words / 3 PagesSubmitted: May 4, 2010 -
Speaker Recognition System
speaker recognition Speech signal is basically meant to carry the information about the linguistic message. But, it also contains the speaker-specific information. This thesis deals with a text based speaker identification system; i.e., to find the identity of a person using his/her speech from a group of persons already enrolled during the training phase. Feature Extractor is the first component in a speaker recognition system. Feature Extraction transforms the speech signal into a compact but
Rating:Essay Length: 396 Words / 2 PagesSubmitted: May 11, 2011 -
Spectrophotometric Determination of the Ligand/metal Ratio and Kf in a Complex Ion
Spectrophotometric Determination of the Ligand/Metal Ratio and Kf in a Complex Ion Objectives: Three methods of spectrophotometric techniques were used in this experiment to determine the ligand: mole ratio for coordinate compounds in solution. The three methods used included the Mole Ratio Method, the Slope Ratio Method, and JobЎЇs Method of Continuous Variation. JobЎЇs Method was used to determine the stability constant, Kf, for the reaction. The Slope Ratio Method was used to determine the
Rating:Essay Length: 332 Words / 2 PagesSubmitted: March 27, 2010 -
Spider
First discovered in 1900, little was known about the happy-face spider until 1972. The obviously named happy-face spider is a small spider found in the native rainforests of the islands Maui, The Big Island of Hawaii, Oahu and Molokai at elevations of 1000 to 6000 feet. Typically around a quarter of an inch long, its diet consists of small insects that it hunts mainly during the night for small insects. They spin their webs on
Rating:Essay Length: 385 Words / 2 PagesSubmitted: December 12, 2009 -
Spike Effect in the Ion Mixing of Cr/si (100)
Spike effect in the ion mixing of Cr/Si(100) R. Khalfaoui, A. Amokrane, S. Tobbeche Faculté des sciences, Université M. Bouguerra, Boumerdés 35000, Algeria Université des Sciences et de la Technologie Houari Boumediene Faculté de Physique Alger Algeria Departement de Physique, Faculté des Sciences, Université El Hadj Lakhdar, Batna 05000, Algeria Abstract : We have investigated the mixing formation taking place at the interface of reactive metal/semiconductor system under ion-beam irradiation. was irradiated with and ions
Rating:Essay Length: 6,595 Words / 27 PagesSubmitted: June 24, 2014 -
Spinal Epidural Injection
What is the epidural space? The membrane that covers the spinal cord and nerve roots in the spine is called the dura membrane. The space surrounding the dura is the epidural space. Nerves travel through the epidural space to the back and into the legs. Inflammation of these nerve roots may cause pain in these regions due to irritation from a damaged disc or from contract in some way with the bony structure of the
Rating:Essay Length: 462 Words / 2 PagesSubmitted: June 9, 2010 -
Split Brain
This is the html version of the file http://cogprints.org/920/0/critchelyf.pdf. G o o g l e automatically generates html versions of documents as we crawl the web. To link to or bookmark this page, use the following url: http://www.google.com/search?q=cache:DKjKot1kvd8J:cogprints.org/920/0/critchelyf.pdf+split+brain+paper&hl=en&ct=clnk&cd=1&gl=us Google is neither affiliated with the authors of this page nor responsible for its content. These search terms have been highlighted: split brain These terms only appear in links pointing to this page: paper -------------------------------------------------------------------------------- Page 1
Rating:Essay Length: 6,152 Words / 25 PagesSubmitted: February 3, 2010 -
Spontaneous Human Combustion
Spontaneous Human Combustion Spontaneous Human Combustion(SHC) pertains to the burning of a person's body occurring without an outside source of ignition. The characteristics of SHC varies form different cases but most of the time evidences gathered are more likely show similar clues which we can relate to other SHC cases. Now, the evidences gathered are as follows; the victim is an elderly, the furniture around the victim stayed untouched, a part of the ceiling above
Rating:Essay Length: 711 Words / 3 PagesSubmitted: November 25, 2009 -
Spontaneous Human Combustion
The Mystery of the “Human Fire Ball” I. Introduction II. Supporters of Spontaneous Human Combustion A. Larry E. Arnold 1. Radical in support of SHC 2. Ablaze! The Mysterious Fires of Spontaneous Human Combustion B. Others believe the same as Arnold C. Many other books and articles written about SHC III. Cases A. Dr. John Irving Bentley B. Jean Lucille Saffin C. Robert Francis Bailey IV. Skeptics against Spontaneous Human Combustion A. Joe Nickell B.
Rating:Essay Length: 1,369 Words / 6 PagesSubmitted: December 3, 2009 -
Spontaneous Remission and Regression in Cancer Patients - What a Mystery!
Spontaneous Remission and Regression in Cancer Patients: What a Mystery! I. What is Cancer? Cancer is a disease produced by the invasion or implantation of uncontrolled cell division in almost any organ or part of the body. As cancerous cells divide and multiply, they invade the host cells transforming them in abnormal cells due to the damage produced to their DNA. This process of cell mutation may be slow or fast and, once mutated, such
Rating:Essay Length: 2,344 Words / 10 PagesSubmitted: April 1, 2010 -
Sports
Lawrence Sports is a $20 million dollar revenue company that assembles and distributes sporting goods. The focus of the scenario is to provide the opportunity for the student to develop solutions to trade off issues, thus establishing stability for the firm. Mayo, who is a retailer responsible for 95% of sales, is hindering Lawrence from paying raw materials suppliers. Unfortunately, this cash positioning problem is direct result of the Lawrence credit policy and the Mayo
Rating:Essay Length: 269 Words / 2 PagesSubmitted: March 24, 2012 -
Sports
Lawrence Sports is a $20 million dollar revenue company that assembles and distributes sporting goods. The focus of the scenario is to provide the opportunity for the student to develop solutions to trade off issues, thus establishing stability for the firm. Mayo, who is a retailer responsible for 95% of sales, is hindering Lawrence from paying raw materials suppliers. Unfortunately, this cash positioning problem is direct result of the Lawrence credit policy and the Mayo
Rating:Essay Length: 269 Words / 2 PagesSubmitted: March 24, 2012 -
Sports Hydration
How important are fluids? Fluid replacement is probably the most important nutritional concern for athletes. Approximately 60% of your body weight is water. As you exercise, fluid is lost through your skin as sweat and through your lungs when you breathe. If this fluid is not replaced at regular intervals during exercise, you can become dehydrated. When you are dehydrated, you have a smaller volume of blood circulating through your body. Consequently, the amount of
Rating:Essay Length: 998 Words / 4 PagesSubmitted: January 9, 2010 -
Sports Related Injuries
Sports are a very popular part of today’s society. Whether people are engaged in sports for exercise, for fun, or by cheering on their favorite team, they are a very important part of today’s culture. Although sports can be very good for your body and health, they can also be harmful to you. There are many sports-related injuries that are unfortunately very common today. For these many injuries, there are also many precautions and treatments
Rating:Essay Length: 2,000 Words / 8 PagesSubmitted: November 19, 2009 -
Spotted Eagle Ray
Myliobatidae Spotted Eagle Ray (Aetobatus narinari) Characteristics, Distribution and Range The Myliobatidae family is made up of three subfamilies containing seven genera and about 42 species. Myliobatidae includes the eagle rays, manta or devil rays, and cownose rays. Myliobatidae are known for their large, disc-like, pectoral fins or “wings” that are pointed at the tips (Tricas et al. 2002, Tinker and De Luca 1973). These pectoral fins, unlike those of stingrays, do not extend forward
Rating:Essay Length: 1,264 Words / 6 PagesSubmitted: December 21, 2009 -
Spotted Fruit Bat
Balionycteris maculata spotted-winged fruit bat Information Classification 2008/05/11 10:47:45.630 GMT-4 By Ryan Rubbelke Kingdom: Animalia Phylum: Chordata Subphylum: Vertebrata Class: Mammalia Order: Chiroptera Family: Pteropodidae Genus: Balionycteris Species: Balionycteris maculataGeographic Range Spotted-winged fruit bats are native to Thailand, Malaysia, and Borneo. (Corbert and Hill, 1980) Biogeographic Regions: oriental (native ); oceanic islands (native ). Other Geographic Terms: island endemic . Habitat Spotted-winged fruit bats prefer forests, lowlands, or foothills, and are commonly found in and
Rating:Essay Length: 1,050 Words / 5 PagesSubmitted: December 28, 2009 -
Spouse Cheating on You?
We are a team of experienced computer professionals from US, France, Italy, Germany and with the most advanced technology! We are specialized in hacking/cracking/recovering web email passwords of world famous email services Yahoo!, Hotmail, Lycos, Rediff etc. (this list is incomplete as there are many more) We will find your target person's password (Friends, wife's, husbands, kids, boss's etc etc) within 2 days,depending upon the password. We charge a flat fee of US$ 250 for
Rating:Essay Length: 335 Words / 2 PagesSubmitted: August 25, 2011 -
Sprachgeschichte
Althochdeutsch Als Althochdeutsch (Ahd.) bezeichnet man die дlteste schriftlich bezeugte Form der deutschen Sprache in der Zeit etwa von 750 bis 1050. Das Althochdeutsche ist keine einheitliche Sprache, wie der Begriff suggeriert, sondern die Bezeichnung fьr eine Gruppe von westgermanischen Dialekten, die sьdlich der so genannten „Benrather Linie“ (die von Dьsseldorf-Benrath ungefдhr in west-цstlicher Richtung verlдuft) gesprochen wurden. Diese Dialekte unterscheiden sich von den anderen westgermanischen Sprachen oder Dialekten durch die Durchfьhrung der Zweiten (oder
Rating:Essay Length: 759 Words / 4 PagesSubmitted: November 30, 2009 -
Sprinkler Irrigation Affects Weather/environment
Travis Drake Mrs. Tillquist English 12B 07 April, 2008 Sprinkler Irrigation Affects Weather/Environment Irrigated lands contributed to most of the world’s food supply and output. It was estimated that around half of the increased agricultural production was in the 35 years before 1986. One third of the crops grown around the world were on irrigated land. The irrigated land was twice as productive as rain-fed land. The United Nation’s predicted that in the year 2025
Rating:Essay Length: 443 Words / 2 PagesSubmitted: February 28, 2010