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Letterman - Obama "Jokes" and Leonard Nimoy Top 10!

2010-05-26T06:59:00.000-07:00

Oil rig blast prompts environmental concerns!

2010-04-23T04:29:00.000-07:00

As hope dimmed for the lives of 11 crew members missing since a drilling rig exploded in flames in the Gulf of Mexico, authorities turned their focus to controlling an oil spill that could threaten the fragile ecosystem of the Louisiana and Mississippi coasts.

The Deepwater Horizon had burned violently for nearly two days until it sank Thursday morning. The fire's out, but as much as 336,000 gallons of crude oil a day could be rising from the sea floor 5,000 feet below, officials said.

"If it gets landward, it could be a disaster in the making," said Cynthia Sarthou, executive director for the environmental group Gulf Restoration Network.

BP PLC, which leased the rig and took the lead in the cleanup, said Friday it has "activated an extensive oil spill response," including using remotely operated vehicles to assess the subsea well and 32 vessels to mop up the spill.

BP Chief Executive Tony Hayward said the company will do "everything in our power to contain this oil spill and resolve the situation as rapidly, safely and effectively as possible." He says the company can call on more resources if needed.

Ed Overton, an LSU environmental sciences professor, said he expects some of the light crude oil to evaporate while much of it turns into a pasty mess called a "chocolate mousse" that ultimately breaks apart into "tar balls," small chunks of oily residue that can wash ashore.

"It's going to be a god-awful mess for a while," he said. "I'm not crying doomsday or saying the sky is falling, but that is the potential."

The Coast Guard early Friday was searching for the missing, but some family members said they had been told that officials assumed all were dead, though others were praying for a different outcome. Most of the crew — 111 members — were ashore, including 17 taken to hospitals. Four were in critical condition.

The accident shows that drilling is not safe, said Abe Powell, who heads Get Oil Out!, created after a 1969 platform accident off Santa Barbara, Calif., fouled miles of ocean and beaches with wildlife-killing goo and spawned the environmental movement.

"When oil companies say drilling is safe now and we won't allow any accidents ... we know that's not true," he said.

Weather forecasts indicate the spill was likely to stay well away from shore at least through the weekend, but if winds change it could come ashore more rapidly, said Doug Helton of the National Oceanographic and Atmospheric Administration's office of response and restoration.

The Coast Guard, which was leading the investigation, hadn't given up the search early Friday for those missing from the rig, which went up in flames Tuesday night about 41 miles from the mouth of the Mississippi River.

Four who made it off safely were still on a boat operating one of several underwater robots being used to assess whether the flow of oil could be shut off at a control valve on the sea floor, said Guy Cantwell, spokesman for rig owner Transocean Ltd.

Coast Guard Rear Adm. Mary Landry said crews saw a 1-mile-by-5-mile rainbow sheen of what appeared to be a crude oil mix on the surface. There wasn't any evidence crude was coming out after the rig sank, she said, but officials weren't sure what was going on underwater.

At the worst-case figure of 336,000 gallons a day, it would take more than a month for the amount of crude oil spilled to equal the 11 million gallons spilled from the Exxon Valdez in Alaska's Prince William Sound.

A turn in winds and currents might send oil toward fragile coastal wetlands — nurseries for fish and shrimp and habitat for birds.

"As you get closer to shore, you get richer and richer marine habitats, and also get the potential for long-term exposure," Helton said.

Animals at sea will be briefly exposed to the oil when the slick passes over, but when it hits land, it sticks, he said.

To prevent that, the Marine Spill Response Corp., an energy industry cleanup consortium, brought seven skimmer boats to suck oily water from the surface, four planes that can scatter chemicals to disperse oil, and 500,000 feet — 94.6 miles — of containment boom.

Another 500,000 feet of boom were on the way, BP spokesman Tom Mueller.

"Right now we are over-responding with resources to manage the potential spill here," he said. "We will be well-prepared to manage whatever comes."

He said 6,000 feet, about 1.1 mile, of boom was in the water by Thursday evening.

While this was happening on the surface, robots tethered to ships nearly a mile above the sea floor sent back video of the damage so crews can decide whether a shutoff valve called a blowout preventer can be closed.

Authorities don't know whether the rig sank to the bottom — or, if it did, whether it hit the blowout preventer, Lt. Cdr. Cheri Ben-Iesau said.

"It didn't sink catastrophically. It kind of settled into the water" and may still have some buoyancy, she said.

If the valve is too badly damaged to cut off the flow of oil, a nearby rig a safe distance from the broken well will drill a new hole intersecting the one that blew wild. Then heavy fluid called "kill fluid" will be pumped in to plug it, said Scott D. Dean, a BP spokesman.

In addition to other environmental concerns, the well is in an area where a pod of sperm whales is known to feed, said Kim Amendola of NOAA. Sarthou said she was worried the activity around the well might disturb the whales.

Meanwhile, relatives of the missing waited for news.

Carolyn Kemp of Monterey, La., said her grandson, Roy Wyatt Kemp, 27, would have been on the drilling platform when it exploded.

"They're assuming all those men who were on the platform are dead," Kemp said. "That's the last we've heard."

Jed Kersey, of Leesville, La., said his 33-year-old son, John, had finished his shift on the rig floor and was sleeping. He said his son told him all 11 missing workers were on the rig floor at the time of the explosion.

"He said it was like a war zone," said Jed Kersey, a former offshore oil worker.

The family of Dewey Revette, a 48-year-old from southeast Mississippi, said he worked as a driller on the rig and had been with the company for 29 years.

"We're all just sitting around waiting for the phone to ring and hoping for good news. And praying about it," said Revette's 23-year-old daughter, Andrea Cochran.

Those who escaped did so mainly by getting on lifeboats that were lowered into the Gulf, said Adrian Rose, vice president of Transocean.

Weekly emergency drills seemed to help, he said, adding that workers apparently stuck together as they fled the blast.

"There are a number of uncorroborated stories, a lot of them really quite heroic stories, of how people looked after each other. There was very little panic," Rose said.

Family members of two missing workers filed separate lawsuits Thursday accusing Transocean and BP of negligence. Both companies declined to comment about legal action against them after the first suit was filed.

The U.S. Minerals Management Service, which regulates oil rigs, conducted three routine inspections of the Deepwater Horizon this year — in February, March and on April 1 — and found no violations, MMS spokeswoman Eileen Angelico said.

Associated Press Writer Noaki Schwartz reported from Los Angeles, Holbrook Mohr from Jackson, Miss., Mike Kunzelman, Cain Burdeau and Alan Sayre in Louisiana, Chris Kahn in New York and Sofia Mannos of AP Television News contributed to this report.

Old seawall dig opens window to past

2009-02-25T05:15:00.000-08:00

Council is calling on the Coast’s budding Indiana Joneses to come and join a real live archaeological dig to unlock the secrets of the old Southport seawall.

Engineering Services Committee Chair and Divisional Councillor Dawn Crichlow said the University of Queensland had been engaged to expose a section of the old seawall on the foreshore.

“The old seawall was built progressively from the late 1800s through to 1901,” said Cr Crichlow.

“Since the 1960s, it has disappeared beneath landfill, except for a small section near the Gold Coast bridge and this is a great opportunity to be a part of unlocking our local history.”

The dig is a free community event held from 18-20 May 2009 as part of National Archaeology Week and provides an opportunity to participate in a real archaeological excavation.

Hockey

2009-01-22T05:03:00.001-08:00

Hockey is any of a family of sports in which two teams struggle by trying to maneuver a ball, or a hard, surrounding disc called a puck, into the opponent's net or goal, using a hockey stick. Field hockey is played on nettle, natural grass, sand-based or water-based artificial turfs, with a small, hard ball. The game is popular among both males and females in many countries of the world, mostly in Europe, India, Pakistan, Australia, New Zealand, South Africa and South Asia. In most countries, the game is played between single-sex sides, even though it can be played by mixed-sex sides. In the United States and Canada it is played mostly by women.

Ball hockey is played in a gym using sticks and a ball, often a tennis ball with the hair removed.
There are early representations and reports of hockey-type games being played on ice in the Netherlands, and reports from Canada from the beginning of the nineteenth century, but the modern game was initially planned by students at McGill University, Montreal in 1875 who, by two years later, codified the first set of ice hockey rules and organized the first teams.

Communication

2008-12-11T04:51:00.000-08:00

Communication is a process that allows organisms to exchange information by several methods. Communication requires that all parties understand a common language that is exchanged. There are auditory means, such as speaking or singing, and nonverbal, physical means, such as body language, sign language, paralanguage, touch, eye contact, or the use of writing.

Communication happens at many levels (even for one single action), in many different ways, and for most beings, as well as certain machines. Several, if not all, fields of study dedicate a portion of attention to communication, so when speaking about communication it is very important to be sure about what aspects of communication one is speaking about. Definitions of communication range widely, some recognizing that animals can communicate with each other as well as human beings, and some are narrower, only including human beings within the parameters of human symbolic interaction.

Nonetheless, communication is usually described along a few major dimensions:

1. Content (what type of things are communicated)
2. Source (by whom)
3. Form (in which form)
4. Channel (through which medium)
5. Destination/Receiver (to whom)
6. Purpose/Pragmatic aspect (with what kind of results).

Gear

2008-10-10T01:43:00.000-07:00

A gear is a wheel with teeth around its circumference, the purpose of the teeth being to mesh with similar teeth on another mechanical device possibly another gear wheel so that force can be transmitted between the two strategies in a direction tangential to their surfaces. A non-toothed wheel can transmit some tangential force but will slip if the force is large; teeth put off slippage and permit the transmission of large forces.

A gear can mesh with any device having teeth friendly with the gear's teeth. Such devices include racks and other non-rotating policy; however, the most common condition is for a gear to be in mesh with another gear. In this case revolution of one of the gears necessarily causes the other gear to rotate. In this way, rotational motion can be transferred from one position to another. While gears are sometimes used simply for this reason to transmit rotation to another shaft perhaps their most significant feature is that, if the gears are of asymmetrical sizes, a mechanical advantage is also achieved, so that the rotational speed, and torque, of the second gear are dissimilar from that of the first. In this way, gears provide a means of increasing or decreasing a turning speed, or a torque.

Indicator

2008-09-11T00:37:00.000-07:00

Dial indicators are instruments used to correctly measure a small distance. They may also be known as a Dial gauge, Dial Test Indicator, or as a clock. They are named so because the measurement results are displayed in a overstated way by means of a dial. They may be used to check the dissimilarity in tolerance during the check process of a machined part, measure the deflection of a beam or ring under laboratory conditions, as well as many other situations where a small measurement needs to be registered or indicated.

An economic indicator is a statistic concerning the economy. The lighting system of a motor vehicle consists of lighting and signaling procedure mounted or integrated to the front, sides and rear of the vehicle. The purpose of this system is to present illumination for the driver to operate the vehicle safely after dark, to increase the visibility of the vehicle, and to display information about the vehicle's presence, position, size, direction of travel, and driver's intentions concerning direction and speed of travel.

Software

2008-07-08T10:45:00.000-07:00

Software, consisting of programs, enables a computer to perform specific tasks, as opposed to its physical components which can only do the responsibilities they are mechanically designed for. The term includes application software such as word processors which perform helpful tasks for users, system software such as operating systems, which interface with hardware to run the necessary services for user-interfaces and applications, and middleware which controls and co-ordinates distributed system.
Computer software has to be loaded into the computer's storage space (memory or RAM). Once the software is loaded, the computer is able to implement the software. Computers control by executing the computer program. This involves passing instructions from the application software, through the system software, to the hardware which finally receives the instruction as machine code. Each instruction causes the computer to carry out an operation moving data, transport out a computation, or altering the control flow of instructions.

Animals

2008-05-14T10:36:00.000-07:00

Animals are a major group of generally motile, multicultural organisms that feed by consuming material from other living things. Their body plan becomes fixed as they develop, usually early on in their development as embryos, although some undergo a process of metamorphosis later on.

The word "animal" comes from the Latin word animal, of which animal is the plural, and is derived from anima, meaning vital breath or soul. In everyday colloquial usage, the word usually refers to non-human animals. The biological definition of the word refers to all members of the Kingdom Animalia. Therefore, when the word animal is used in a biological context, humans are included.

Fox

2008-03-14T06:00:00.000-07:00

Fox is a name applied to any one of generally 27 species of small to medium-sized canids, with sharp skin and a shaggy tail or brush. By far the most common and prevalent species of fox is the red fox, although various species are found on almost every continent. The incidence of fox-like carnivores all over the globe has led to their emergence in the popular culture and folklore of many nations, tribes, and other enriching groups.

Most foxes live 2 to 3 years, but they can survive for up to 10 years or even longer in confinement. Foxes are generally smaller than other members of the family Canidae such as wolves, jackals, and domestic dogs. Fox-like features naturally include an acute muzzle and thick tail. Other physical characteristics vary according to their territory. For example, the fennec has large ears and short coat, whereas the Arctic fox has small ears and thick, insulating hair.

Another example is the red fox which has a typical auburn pelt, the tail normally ending with white marking. Unlike many canids, foxes are regularly not set animals. Typically, they are private, opportunistic feeders that hunt live prey. Using a pouncing technique practiced from an early age, they are usually able to kill their prey speedily. Foxes also gather a wide variety of other foods ranging from grasshoppers to fruit and berries.

Foxes are usually extremely wary of humans and are not kept as pets; however, the silver fox was productively domesticated in Russia after a 45 year selective propagation program. This selective breeding also resulted in physical and behavioural traits appearing that are recurrently seen in domestic cats, dogs, and other animals: pigmentation changes, floppy ears, and curly tails.

DVD

2008-03-12T07:20:00.001-07:00

DVD (also known as "Digital Versatile Disc") is a popular ocular disc storage media format. Its main uses are video and data storeroom. Most DVDs are of the same dimensions as compact discs (CDs) but store more than six times as much records.

Variations of the term DVD often depict the way data is stored on the discs: DVD-ROM has data which can only be read and not written, DVD-R and DVD+R can be written once and then functions as a DVD-ROM, and DVD-RAM, DVD-RW, or DVD+RW holds data that can be erased and thus re-written multiple times. The wavelength used by standard DVD lasers is 650 nm.

DVD-Video and DVD-Audio discs correspondingly refer to properly formatted and structured video and audio content. Other types of DVDs, including those with video content, may be referred to as DVD-Data discs. The term "DVD" is commonly misused to refer to high definition ocular disc formats in general, such as Blu-ray Disc and HD DVD. As a result, the original DVD is sometimes called SD DVD.

Human Skull

2008-02-29T04:01:00.000-08:00

In humans, the adult skull is normally made up of 22 bones. Except for the mandible, all of the bones of the skull are joined together by sutures, firm articulations permitting very little movement. Eight bones form the neurocranium (braincase)-including frontal, parietals, occipital, sphenoid, temporals and ethmoid-, a protecting jump surrounding the brain. Fourteen bones form the splanchnocranium, the bones supporting the face. Encased within the earthly bones are the six ear ossicles of the middle ears, though these are not part of the skull. The hyoid bone, supporting the tongue, is usually not considered as part of the skull either, as it does not articulate with any other bones. The skull is a defender of the brain.

The skull contains the sinus cavities, which are air-filled cavities lined with respiratory epithelium, which also lines the large airways. The exact functions of the sinuses are unclear; they may contribute to decreasing the weight of the skull with a minimal decrease in strength,or they may be important in improving the significance of the voice. In some animals, such as the elephant, the sinuses are extensive. The elephant skull needs to be very large, to form an attachment for muscles of the neck and trunk, but is also unexpectedly light; the comparatively small brain-case is surrounded by large sinuses which reduce the weight. The meninges are the three layers, or membranes, which surround the structures of the on edge system. They are known as the dura mater, the arachnoid mater and the pia mater. Other than being classified together, they have little in common with each other.

In humans, the anatomical position for the skull is the Frankfurt plane, where the lower margins of the orbits and the upper borders of the ear canals are all in a horizontal plane. This is the position where the question is standing and looking directly forward. For judgment, the skulls of other species, notably primates and hominids, may sometimes be studied in the Frankfurt plane. However, this does not always equate to a natural posture in life.

A Solar Cell

2008-02-12T04:01:00.000-08:00

A solar cell or photovoltaic cell is a mechanism that converts solar energy into energy by the photovoltaic effect. Photovoltaics is the field of expertise and research related to the application of solar cells as solar energy. Sometimes the term solar cell is reserved for devices intended expressly to confine energy from sunlight, while the term photovoltaic cell is used when the source is undetermined.

Assemblies of cells are used to make solar modules, which may in turn be linked in photovoltaic arrays.

Solar cells have many applications. Individual cells are used for powering small devices such as electronic calculators. Photovoltaic arrays create a form of renewable electricity, particularly useful in situations where electrical power from the framework is unavailable such as in remote area power systems, Earth-orbiting satellites and space probes, remote radiotelephones and water pumping applications. Photovoltaic electricity is also increasingly deployed in grid-tied electrical systems.

India

2008-01-31T07:25:00.001-08:00

India is a independent nation in Asia, or more distinctively, South Asia. It is the seventh largest country by geological area, the second most populous country, and the most populous democratic state in the world. Bound by the Indian Ocean on the south, the Arabian Sea on the west, and the Bay of Bengal on the east, India has a coastline of 7,517 kilometers (4,671 mi). It borders Pakistan to the west; China, Nepal, and Bhutan to the north-east; and Bangladesh and Burma to the east. In the Indian Ocean, India is in the vicinity of Sri Lanka, Maldives, and Indonesia.

Home to the Indus dale development and a region of historic trade routes and huge empires, the Indian subcontinent was identified with its commercial and cultural wealth for much of its long history. Four major world religions, Hinduism, Buddhism, Jainism and Sikhism originated here, while Zoroastrianism, Judaism, Christianity and Islam arrived in the first millennium CE and shaped the region's diverse culture. Increasingly annexed by the British East India Company from the early eighteenth century and colonised by the United Kingdom from the mid-nineteenth century, India became a modern nation-state in 1947 after a struggle for independence that was marked by widespread peaceful resistance.

India is the world's twelfth largest economy at market exchange rates and the third largest economy in purchasing rule. Economic reforms have distorted it into the second fastest growing large economy; however, it still suffers from high levels of poverty, illiteracy, starvation and environmental degradation. A pluralistic, multi-lingual, and multi-ethnic society, India is also home to a multiplicity of wildlife in a variety of protected habitats.

Papaya

2008-01-24T09:40:00.001-08:00

The papaya is a fruit of the tree. It is a small tree, the single stem growing from 5 to 10 m tall, with spirally set leaves confined to the top of the trunk, the lower trunk is obviously scarred where leaves and fruit were borne. The leaves are large, 50-70 cm width, deeply palmately lobed with 7 lobes. The tree is typically unbranched if unlopped. The flowers are similar in shape to the flowers of the Plumeria but are much slighter and wax like. They appear on the axils of the leaves, maturing into the large 15-45 cm long and 10-30 cm diameter fruit. The fruit is ripe when it feels soft and its skin has attained amber to orange hue. The fruit's taste is vaguely similar to pineapple and peach, although much milder without the tartness, creamier, and more fragrant, with a texture of a little over-ripened cantaloupe.

The primary use of the papaya is as an safe to eat fruit. The ripe fruit is generally eaten raw, without the skin or seeds. The unripe green fruit of papaya can be eaten ripe, usually in curries, salads and stews

Resistance

2008-01-10T08:56:00.001-08:00

Electrical resistance is a compute of the degree to which an object opposes an electric current through it. The SI unit of electrical resistance is the ohm. Its reciprocal quantity is electrical conductance calculated in siemens. Electrical resistance shares some conceptual parallels with the mechanical notion of friction.

The resistance of an object determines the amount of current through the object for a known voltage across the object I=V/R, where R is the resistance of the object, measured in ohms, equivalent to J•s/C2, V is the voltage across the object, measured in volts, I is the current through the object, measured in amperes. In metals, the Fermi level lies in the conduction band giving rise to free transfer electrons. However, in semiconductors the position of the fermi level is within the band gap, closely half way between the conduction band minimum and valence band maximum for intrinsic semiconductors.

Banana

2007-12-20T07:13:00.001-08:00

Banana is the common name used for herbaceous foliage of the genus Mesa, and is also the name given to the fruit of these plants. They are resident to the tropical region of Southeast Asia, the Malay Archipelago, and Australia. They are cultivated primarily for their fruit, and to a lesser level for the production of fiber and as ornamental plants. Because of their size and structure, banana plants are often wrong for trees. The main or upright growth is called a pseudo stem, which for some species can gain a height of up to 2–8 m, with leaves of up to 3.5 m in length. Each pseudo stem produces a single group of bananas, before dying and being replaced by a new pseudo stem.

Bananas are grown in 132 countries worldwide, additional than any other fruit crop. In popular culture and commerce, banana usually refers to soft, sweet dessert bananas that are usually eaten raw. The bananas from a collection of cultivars with firmer, starchier fruit are generally used in cooking rather than eaten raw. Bananas may also be dried up and ground into banana flour. Although the wild species have fruits with numerous large, hard seeds, virtually all culinary bananas have unplanted fruits. Bananas are classified any as dessert bananas or as green cooking bananas.

Business

2007-12-14T07:08:00.001-08:00

In economics, a business is a legally-recognized organizational entity existing within an economically free country designed to sell goods and/or services to consumers, usually in an effort to generate profit.

In predominantly capitalist economies, where most businesses are privately owned, businesses are typically formed to earn profit and grow the personal wealth of their owners. The owners and operators of a business have as one of their main objectives the receipt or generation of a financial return in exchange for their work - that is, the expense of time and energy - and for their acceptance of risk-investing work and money without certainty of success. Notable exceptions to this rule include cooperative businesses and government institutions. This model of business functioning is opposed by socialists, who advocate either government, public, or worker ownership of most sizable businesses; and to a lesser extent by individuals advocating for a mixed economy of private and state-owned enterprises.

The etymology of business refers to the state of being busy in the context of the individual as well as the community or society. In other words, to be busy is to be doing commercially viable and profitable work. The term business has at least three usages, depending on the scope - the general usage, the singular usage to refer to a particular company or corporation, and the generalized usage to refer to a particular market sector, such as the record business, the computer business, or the business community-the community of suppliers of goods and services.

River

2007-11-28T04:52:00.001-08:00

A river is a natural waterway that transits water through a setting from higher to lower elevations. A river may have its basis in a spring, lake, from damp, boggy landscapes where the soil is waterlogged, from glacial melt, or from surface runoff of precipitation. Almost each and every one river is joined by other rivers and streams termed tributaries the highest of which are known as headwaters. Water may also begin from groundwater sources. Throughout the course of the river, the total volume transported downstream will often be a combination of the free water flow together with a important contribution flowing through sub-surface rocks and gravels that underlie the river and its floodplain. For many rivers in large valleys, this unseen component of flow may greatly go above the visible flow.

From their source, all rivers flow downhill, typically terminating in the sea or in a lake, through a confluence. In arid areas rivers sometimes end by losing water to desertion. River water may also infiltrate into the soil or pervious rock, where it becomes groundwater. Excessive abstraction of water for use in commerce, irrigation, etc., can also cause a river to dry before success its natural terminus.

Women in ancient India

2007-11-20T06:13:00.000-08:00

In ancient India, women were occupying a very important position with, in a superior top position to, man. By the Literary evidence suggests that kings and towns were destroyed because a single woman was wronged by the state. Sillapathigaram by Elango Adigal tells us Madurai, the capital of the Pandya Kings was burnt by kannaki because the king Pandyan Nedunchezhiyan mistakenly killed her husband on theft charges. And also The Ramayana by Valmiki' teaches us that Ravana and his entire family were wiped out because he abducted Sita. Mahabharata by Vyasa teaches us that all the Kauravas were killed because they humiliated Draupadi in public.

To implant such high ideals in humankind, Indian ancestors created a plethora of goddesses who enjoyed equal status with their husbands.
Now the Government also sponsored and passed a law that required all political parties to maintain a count of at least one-third of the total candidates in elections to be women. Anyway, it is horrifying to see that they happen. In the other hand, some wives are burnt because they did not bring enough "dowry. The women are victimized by powerful local political figures and their family; some women are abducted by rich youths with Impunity; and there are credible stories of female infanticide in rural India.

Festival

2007-10-29T08:04:00.000-07:00

A festival is an occasion, generally staged by a local community, which centers on some exclusive portion of that community. Among several religions, a feast or festival is a place of celebrations in honour of God or gods. A feast and a festival are traditionally identical. However, the term "feast" has also entered regular worldly idiom as a synonym for every large or detailed meal. When used as in the significance of a festival, most frequently refers to a religious festival quite than a film or art festival.

There are several types of festivals in the world. Although a lot of have religious origins, others involve seasonal alteration or have some cultural impact. Also certain institutions celebrate their own festival to stain some important occasions in their history. These occasions might be the day these institutions were founded or any other event which they decide to celebrate occasionally, usually annually.

Festivals, of several types, provide to meet specific social needs and duties, as well as to provide entertainment. These times of celebration suggest a sense of belonging for religious, social, or geographical groups. Modern festivals that focus on cultural look for to notify members of their traditions. In past times, festivals were times when the aged shared stories and transferred certain information to the next generation. Historic feasts frequently provided a way for unity between families and for people to find mates. Choose anniversaries have annual festivals to commemorate previous significant occurrences.

Color

2007-10-19T02:50:00.000-07:00

Color is the visual perceptual possessions corresponding in humans to the categories called red, yellow, white, etc. Color derives from spectrum of light distribution of light energy versus wavelength interacting in the eye with the spectral sensitivities of the light receptors. Color categories and physical condition of color are also associated with objects, materials, light sources, etc., based on their physical properties such as light absorption, reflection, or emission spectra. Typically, only features of the composition of light that are visible by humans wavelength spectrum from 400 nm to 700 nm, roughly are included, thereby objectively relating the psychological phenomenon of color to its physical specification. Because perception of color stems from the varying sensitivity of different types of cone cells in the retina to different parts of the spectrum, colors may be defined and quantify by the degree to which they stimulate these cells.
These physical or physiological quantifications of color, however, do not fully clarify the psychophysical perception of color appearance. The science of color is sometimes called chromatics. It includes the perception of color by the human eye and brain, the origin of color in materials, color theory in art, and the physics of electromagnetic emission in the visible range that is, what we commonly refer to simply as light.

Data base

2007-10-10T09:25:00.000-07:00

The fundamental form of data is stored in the data bases. When data is large we modify it in the form of data where house. Data where house is that place where numerous data stand are stored. When a data base application is created and close to data base, certain properties are reserve in mind. In application different users are created and given certain human rights. Some of them are made supervisor while others are made users. When we create a exacting application for a company or a business administration. These types of application include different task behavior which mainly involves conclusion making and also present and future line of work. The application is made with full expertise which on analyzing makes a business man winning. This application also includes data store which contains information about employee’s personal information, pay scale, etc.

Real estate

2007-09-24T07:08:00.000-07:00

Real estate or fixed property is a legal term that encompasses land along with anything permanently affixed to the land, such as buildings. Real estate is often considered synonymous with real property, in contrast with personal property. However, for technical purposes, some people prefer to distinguish real estate, referring to the land and fittings themselves, from real property, referring to ownership rights over real estate. The terms real estate and real property are used mainly in common law, while civil law jurisdictions refer in its place to immovable property.
In law, the word real means relating to a thing, as well-known from a person. Thus the law broadly distinguishes between real possessions and personal property. The conceptual difference was between immovable property, which would transport title along with the land, and changeable property. In most advanced economies, the main source of capital used by individuals and small companies to purchase and get enhanced land and buildings is mortgage loans, bank loans for which the real property itself constitutes collateral.

Clothing

2007-09-05T08:14:00.001-07:00

Clothing protects the vulnerable nude human body from the extremes of weather, other features of our situation, and for safety reasons. Every article of clothing also carries a enriching and social meaning. Human beings are the only creatures known to wear clothing, with the exemption of pets clothed by their owners. People also decorate their bodies with makeup or foundation, perfume, and other ornamentation; they also cut, dye, and organize the hair of their heads, faces, and bodies, and sometimes also mark their skin. All these streamers contribute to the overall effect and message of clothing, but do not constitute clothing per se.
Articles carried rather than worn are normally counted as fashion garnishing rather than as clothing. Jewelry and eyeglasses are usually counted as accessories as well, even though in general speech these items are described as being worn rather than carried. The practical function of clothing is to protect the human body from dangers in the surroundings: weather, insects, noxious chemicals, weapons, and get in touch with with abrasive substances, and other hazards. Clothing can protect against many things that might injure the naked human body. In some cases clothing protects the environment from the clothing wearer as fine.
Humans have shown intense inventiveness in devising clothing solutions to practical problems and the difference between clothing and other protective equipment is not always clear-cut. See, among others: air inured clothing, armor, diving suit, swimsuit, bee-keeper's uniform, motorcycle leathers, high-visibility garments, and protective clothing.

Mobile phone

2007-08-29T03:39:00.000-07:00

A mobile telephone or cellular telephone is a long-range, portable electronic machine used for mobile communication. In addition to the normal voice function of a telephone, current mobile phones can carry many additional services such as SMS for text messaging, email, packet switching for access to the Internet, and MMS for sending and getting photos and video. Most current mobile phones connect to a cellular network of bottom stations, which is in turn interconnected to the public switched telephone network.
Mobile news services are increasing with many organizations providing on-demand news armed forces by SMS. Some also provide instant news pushed out by SMS. Mobile telephony also facilitates activism and public journalism being explored by Reuters and Yahoo and small sovereign news companies such as Jasmine News in Sri Lanka. Also companies like Monster are starting to offer mobile services such as job search and career information.
The total worth of mobile data services exceeds the value of paid services on the internet, and was worth 31 B dollars in 2006. The largest categories of mobile services are music, picture downloads, video gaming, adult entertainment, gambling, video/TV.

Solar wind

2007-08-17T09:26:00.000-07:00

The solar wind is a stream of charged particles which are expelled from the upper atmosphere of the sun. It consists mostly of high-energy electrons and protons that are able to get away the sun's gravity in part because of the high temperature of the corona and the high kinetic energy particles gain through a process that is not well understood at this time.

They are directly related to the solar wind, together with geomagnetic storms that can knock out power grids on Earth, auroras and the plasma tail of a comet always pointing away from the sun. While early models of the solar wind used primarily thermal energy to accelerate the material, by the 1960s it was clear that thermal hurrying alone cannot account for the high speed solar wind. Some additional acceleration mechanism is required, but is not presently known, but most likely relates to magnetic fields in the solar atmosphere. The solar wind is answerable for the overall shape of Earth's magnetosphere, and fluctuations in its speed, density, direction, and entrained magnetic field powerfully affect Earth's local space environment.

Computation

2007-08-08T10:10:00.000-07:00

Computation is a common term for any type of information processing that can be represent mathematically. This includes phenomenon ranging from simple calculations to human idea. In a more narrow meaning, computation is a process following a well distinct model that is understood and can be expressed in an algorithm, protocol, network topology, etc.
These hypothetical computing equipment can be viewed as idealised analog computers which operate on real numbers and are differential, whereas digital computers are partial to computable numbers and are algebraic. Depending on the model select, this may enable real computers to solve problems that are inextricable on digital computers.

Power

2007-07-27T02:50:00.001-07:00

Power is the rate at which work is performed or energy is transmitted or the amount of energy essential or finished for a given unit of time. It is many types of conversion Power.Power (physics) is the quantity of work done or energy transferred per unit of time. Motive power is power which moves great, such as output of a motor. Electric power generation is the process of converting any form of energy to electrical energy.

Power station, a capability for generating electricity, nuclear power, the conversion of nuclear force to electricity, solar power, the translation of solar energy to electricity, wind power, the conversion of wind energy to electricity, wave power, the conversion of signal energy to electricity, tidal power, the conversion of energy of the tides energy to electricity, geothermal power, the conversion of geothermal power to electricity, hydropower, the conversion of possible or kinetic energy of water to electricity, Optical power of a lens is the opposite of its focal length, Effective radiated power in radio telecommunications is a calculate of radio station antennas

Reactance

2007-07-23T02:43:00.001-07:00

Reactance is the invented part of electrical impedance, a measure of opposition to a sinusoidal alternating current. Reactance arises from the occurrence of inductance and capacitance within a circuit, and the SI unit is the ohm. The value of the reactance is a lower maximum value on the amount of the impedance. A positive reactance implies that the phase of the voltage leads the phase of the current, while a harmful reactance implies that the phase of the voltage lags the phase of the current. A reactance of zero implies the current and voltage are in phase and equally if the reactance is non-zero then there is a phase distinction between the voltage and current

Energy meter

2007-07-17T04:29:00.000-07:00

An electric meter or energy meter is a machine that measures the amount of electrical energy supplied to a residence or business. These are customers of an electric company.

The most common type is more accurately known as a (kilo) watt-hour meter or a joule meter. They may also record other variables including the time, when the electricity was used. Modern electricity meters operate by continuously measuring the instantaneous voltage and current (amperes) and finding the product of these to give direct electrical power (watts) which is then integrated against time to give energy used (joules, kilowatt-hours etc). The meters fall into two essential categories, electromechanical and electronic. The type of meter described commonly used on a single-phase AC supply. Different phase of meter configurations use additional voltage and current coils. The most general type of electricity meter is the electromechanical induction meter.

Elevator

2007-07-11T05:27:00.001-07:00

An elevator is a transport tool used to move goods or people up and down. Outside North America, elevators are known most commonly as lifts. Other languages may have loanwords based on moreover elevator or lift .Because of wheelchair right to use laws, elevators are often a requirement in new buildings with multiple floors.Elevators start on as simple rope or chain hoists.

An elevator is basically a platform that is either pulled or pushed up by mechanical resources. A modern day elevator consists of a cab mounted on a platform within an together with this space called a shaft, or in Commonwealth English called a hoist way. In the past, elevator drive mechanisms were mechanical by steam and water hydraulic pistons. In a traction elevator, cars are pulled up by means of rolling steel ropes over an extremely grooved pulley, frequently called a sheave in the industry. The weight of the car is intention with a counterweight. Sometimes two elevators move forever synchronized in opposite way, and they are each other's counterweight.

Computer

2007-07-04T03:31:00.001-07:00

A computer is a machine for manipulating data according to a list of instructions.Computers take plentiful physical forms. Early electronic computers were the size of a large room, overriding as much power as several hundred modern personal computers. Today, computers can be made small enough to fit into a wrist watch and be powered from a watch battery. Society has come to distinguish personal computers and their portable equivalent, the laptop computer, as icons of the information age; they are what most people think of as a computer. However, the most general form of computer in use today is by far the embedded computer. Embedded computers are small, simple devices that are often used to organize other devices—for example; they may be found in machines ranging from fighter aircraft to industrial robots, digital cameras, and even children's toys.
The ability to store and implement programs makes computers extremely versatile and distinguishes them from calculators. The Church–Turing thesis is a mathematical statement of this flexibility: Any computer with a certain minimum capability is, in principle, capable of performing the same tasks that any other computer can perform. Therefore, computers with capability and complexity ranging from that of a personal digital assistant to a supercomputer are all able to perform the same computational tasks as long as time and storage capability are not considerations.

Honey

2007-06-26T02:39:00.000-07:00

Honey is a sweet and thick fluid produced by honey bees from the nectar of flowers. According to the United States National Honey Board and various international food system, honey stipulates a pure product that does not allow for the addition of any other substance...this includes, but is not limited to, water or other sweeteners. This article refers exclusively to the honey produced by honey bees honey twisted by other bees or other insect have very different properties. Honey is significantly sweeter than table sugar and has attractive chemical properties for baking. Honey has a typical flavor which leads some people to prefer it over sugar and other sweeteners.

Most microorganisms do not grow in honey because of its low water movement of 0.6[2]. However, it is important to note that honey frequently contains dormant end spores of the bacteria Clostridium outline, which can be perilous to infants as the end spores can transform into toxin-producing bacteria in the infant's immature intestinal tract, leading to disease and even death. The study of pollens and spores in raw honey can determine floral sources of honey. Because bees carry an electrostatic charge, and can attract other particles, the same techniques of melissopalynology can be used in area ecological studies of radioactive particles, sand, or particulate pollution.

Sonar

2007-06-18T02:41:00.001-07:00

Active sonar uses a sound transmitter and a recipient. When the two are in the same place it is monostatic process. When the transmitter and receiver are separated it is bistatic operation. When more transmitters are used, again spatially separated, it is multistatic operation. Most sonars are used monostatically with the same array often being used for enlarge and reception, though when the platform is moving it may be necessary to consider a single transmitter/receiver as being operated bistatically. Active sonobuoy field may be operated multistatically.

Real estate

2007-05-16T04:21:00.000-07:00

The term real estate or immovable property is the legal term which holds land along with anything permanently affixed to land. Buildings, lands and any property which permanently fixed on the land is said to be the real estate property. Real estate is considered as the identical property, compared to the real property. Technically, some times people will refer the real estate building, land and fixtures covering the ownership rights. The commonly used term for real estate property is real property or immovable property in reference to the common law and jurisdiction. Currently, many economists predict that lack of effective real estate laws will be significant barrier to investment in the developing country.

Elephant

2006-12-06T10:22:00.000-08:00

Elephantidae (the elephants) is a relation of pachyderm, and the only remaining family in the sort Proboscidea in the class Mammalia. Elephantidae has three living species: the African Bush Elephant, the African Forest Elephant (until recently known communally as the African Elephant), and the Asian Elephant (also known as the Indian Elephant). Other species have become extinct since the last ice age, which ended about 10,000 years ago.

Elephants are mammals and the largest land animals alive today. The elephant's gestation era is 22 months, the longest of any land animal. At birth it is ordinary for an elephant calf to weigh 120 kg (265 lb). An elephant may live as long as 70 years, sometimes longer. The largest elephant ever recorded was shot in Angola in 1956. It was male and weighed about 12,000 kg (26,400 lb). The least elephants, about the size of a calf or a large pig, were a prehistoric variant that lived on the island of Crete until 5000 BC, possibly 3000 BC.

Elephants are increasingly vulnerable by human intrusion. Between 1970 and 1989, the African elephant population plunged from 1.3 million to about 600,000 in 1989; the current population is estimated to be between 400,000 and 660,000. The elephant is now a secluded species worldwide, placing restrictions on capture, domestic use, and trade in products such as ivory. It has long been known that the African and Asian elephants are split species. African elephants tend to be larger than the Asian species (up to 4 m high and 7500 kg) and have bigger ears.

Male and female African elephants have extended tusks, while male and female Asian Elephants have shorter tusks, with tusks in females being approximately non-existent. African elephants have a dipped back, smooth forehead and two "fingers" at the tip of their trunks, as compared with the Asian species which have an arched back, two humps on the forehead and have only one "finger" at the tip of their trunks.

Beavers

2006-11-22T17:37:00.000-08:00

Beavers are semi-aquatic rodents native to North America and Europe. They are the only living members of the family Castoridae, which contains a single genus, Castor. Genetic investigate has shown the European and North American beaver populations to be distinct species and that hybridization is improbable.

Beavers are best known for their natural trait of building dams in rivers and streams, and building their homes (aka lodges) in the ultimate artificial pond. They are the second-largest rodent in the world (after the capybara).

Beavers continue to produce throughout life. Adult specimens weighing over 25 kg (55 lb) are not uncommon. Females are as large as or larger than males of the same age, which is uncommon among mammals.

The European Beaver (Castor fiber) was hunted almost to death in Europe, both for fur and for castoreum, a secretion of its scent gland believed to have medicinal properties. However, the beaver is now being re-introduced throughout Europe. Several thousand live on the Elbe, the Rhone and in parts of Scandinavia. In northeast Poland there is a thriving community of Castor fiber. They have been reintroduced in Bavaria and The Netherlands and are tending to extend to new locations. The beaver finally became extinct in Great Britain in the sixteenth century: Giraldus Cambrensis reported in 1188 (Itinerarium ii.iii) that it was to be found only in the Teifi in Wales and in one river in Scotland, though his observations are clearly first hand.

In October 2005, six European beavers were re-introduced to Britain in Lower Mill Estate in Gloucestershire, and there are strategy for re-introductions in Scotland and Wales.

The extinct North American Giant beaver (Castoroides ohioensis) was one of main rodents that ever evolved. It disappeared, with other big mammals in the Holocene extinction event, which began about 13,000 years ago.

Fidelity bond

2006-11-12T21:33:00.000-08:00

A fidelity bond is a form of protection that covers policyholders for losses that they incur as a result of fraudulent acts by specified individuals. It usually insures a business for losses caused by the dishonest acts of its employees.

While called bonds, these obligations to protect an employer from employee-dishonesty losses are really insurance policies. These insurance policies protect from losses of company monies, securities, and other property from employees who have a manifest intent to cause the company loss. There are also many other forms of crime-insurance policies to protect company assets.

Intensive care medicine

2006-10-09T04:39:00.000-07:00

Intensive Care Medicine or critical care medicine is a branch of medicine concerned with the provision of life support or organ support systems in patients who are critically ill who usually also require intensive monitoring.

Patients requiring intensive care usually require support for hemodynamic instability , for airway or respiratory compromise and/or renal failure, and often all three. Patients admitted to the intensive care unit not requiring support for the above are usually admitted for intensive/invasive monitoring, usually after major surgery.

Intensive care is usually only offered to those whose condition is potentially reversible and who have a good chance of surviving with intensive care support. Since the critically ill are close to dying the outcome of this intervention is difficult to predict. Many patients therefore still die in the Intensive Care Unit. A prime requisite for admission to an Intensive Care Unit is that the underlying condition can be overcome. Therefore treatment is merely meant to win time in which the acute affliction can be resolved.

Economics

2006-09-01T04:35:00.000-07:00

Economics is a social science seeking to analyze and describe the production, distribution, and consumption of goods and services. Economics studies how individuals and societies seek to satisfy needs and wants. Alfred Marshall in the late 19th century informally described economics as "the study of man in the ordinary business of life"; the vast number of topics to which the methods of economic theory have been applied suggests to some that economics is simply "that which economists do."

Economics has two broad branches: microeconomics, where the unit of analysis is the individual agent, such as a household or firm, and macroeconomics, where the focus is on aggregates, the sum of the supply and demand in an economy, or the total net result of buying and selling. Another division of the subject distinguishes positive economics, which seeks to predict and explain economic phenomena, from normative economics, which orders choices and actions by some criterion; such orderings necessarily involve subjective value judgments.

Sunflower

2006-07-27T21:33:00.000-07:00

The sunflower is an annual plant in the family Asteraceae, with a large flower head. The stem of the flower can grow up to 3 meters tall, with the flower head getting 30cm in diameter. The term "sunflower" is also used to refer to all plants of the genus Helianthus, many of which are perennial plants. What is usually called the flower is actually a head of many flowers crowded together. The outer flowers are the ray florets and can be yellow, maroon, orange, or other colors. These flowers are sterile. The flowers that fill the circular head within the ray flowers are called disc florets.

The arrangement of florets within this cluster is normally such that each is separated from the next by approximately the golden angle, producing a pattern of spirals where the number of left spirals and the number of right spirals are successive Fibonacci numbers. Typically, there are 34 spirals in one direction and 55 in the other; on a very large sunflower you may see 89 in one direction and 144 in the other.

Shared web hosting service

2006-07-14T00:58:00.000-07:00

A shared web hosting service or virtual hosting service is a form of web hosting service where more than one web site is hosted on the same server. It is generally the most economical option for hosting as many people share the overall cost of server maintenance.The hosting service must include system administration since it is shared by many users; this is a benefit for users that do not want to deal with it, but a hindrance to power users that want more control.

In shared hosting, the provider is generally responsible for management of servers, installation of server software, security updates and other aspects of the service. Servers are often based on the Linux operating systems because more Control Panel products are made for Linux. However, some providers offer Microsoft Windows based solutions. The Plesk control panel, for instance, has two versions - for Linux and Windows, both with very similar interfaces and functionality, with the exception of OS-specific differences.

Microbiology

2006-07-05T02:50:00.000-07:00

Microbiology is the study of microorganisms, which are unicellular or cell-cluster microscopic organisms. This includes eukaryotes such as fungi and protists, and prokaryotes such as bacteria and viruses.

Although much is now known in the field of microbiology, advances are being made regularly. In actual fact, the most common estimates suggest that we have studied only about 1% of all of the microbes in any given environment. Thus, despite the fact that over three hundred years have passed since the discovery of microbes, the field of microbiology is clearly in its infancy relative to other biological disciplines such as zoology, botany or even entomology.

Perception of sound

2006-07-04T23:45:00.000-07:00

Sound is perceived through the sense of hearing. Humans and many animals use their ears to hear sound, but loud sounds and low frequency sounds can be perceived by other parts of the body through the sense of touch. Sounds are used in several ways, most notably for communication through speech or, for example, music. Sound can also be used to acquire information about properties of the surrounding environment such as spatial characteristics and presence of other animals or objects. For example, bats use echolocation, ships and submarines use sonar, and humans can determine spatial information by the way in which they perceive sounds.

The range of frequencies that humans can hear is approximately between 20 Hz and 20,000 Hz. This range is by definition the audible spectrum, but some people (particularly women) can hear above 20,000 Hz.

2006-07-03T00:08:00.000-07:00