Tuesday, May 29, 2007

American carrom

American carrom is an alternative on carrom derived in America by missionaries to the East, around 1890. Believing that the game required restructuring for Western tastes, a Sunday school teacher named Henry Haskell altered the game. Much of the game is the same, but the striker's weight is reduced and the carrom men are smaller. Generally, instead of disks of solid wood, ivory, or acrylic, carrom men are rings, originally of wood but today commercially made of light plastic. In addition, as an alternative to using the fingers to flick the striker,American carrom uses miniature cue sticks. American carrom boards also have pockets built into the corners, rather than circular holes in the board, to make pocketing easier. While traditionally made boards vary widely, current commercially-produced American carrom boards are 28 inches square, are printed with checkerboard and backgammon patterns, among others, and are sold with checkers, chess pieces, skittles, etc., to allow other games to be played on the same board. Often, these boards are also built to play crokinole.

Monday, May 21, 2007

Sound card

A sound card is a computer development card that can input and output sound under control of computer programs. Typical uses of sound cards include given that the audio component for multimedia applications such as music composition, editing video or audio, presentation/education, and entertainment. Many computers have sound capabilities built in, while others require these expansion cards if audio capability is desired.

Monday, May 14, 2007

Applied Micro Circuits Corporation

Applied Micro Circuits Corporation is a fables semiconductor company scheming network and embedded Power Architecture, optical transport and storage solutions. They bought assets, IP and engineers concerning the PowerPC 400 microprocessors from IBM in 2004 for $227 million and they now market the processors under their own name. The deal also included access to IBM's SoC design methodology and advanced CMOS process technology.

3ware is a producer of RAID controllers and storage products. Founded as an self-governing company in 1997, it was acquired by AMCC in April 2004.This division has usually been focused on SATA and PATA RAID devices. They were one of the pioneers in implementing "multi-lane" cabling for RAID systems which greatly reduced cable difficulty in systems with many hard drives.

Wednesday, May 09, 2007

Police dog

A police dog is a dog that is taught specially to assist police and similar law-enforcement personnel with their work. They are also known in the United States as police K9s. The term is occasionally used in the common parlance of several countries to refer to any German Shepherd Dog because of the long history of the use of the German Shepherd by the police and military; in some nations German Shepherds are the only dogs used by those forces. In the post-industrial era German Shepherds have often been depicted as police dogs in television, movies and police dog memorials. This breed is often still used, as are a few other breeds.

Thursday, May 03, 2007

Historical and Stylistic Clock face

Before progress the late 15th century, a fixed hand indicated the hour by pointing to revolving numbers. Minute hands only came into use in the late 17th century after the creation of the pendulum allowable for amplified precision in time telling. Until the last quarter of the 17th century hour markings were imprinted into metal faces and the recesses filled with black wax. Subsequently, higher contrast and enhanced readability was achieved with white enamel plaques painted with black numbers. Initially, the numbers were printed on small, individual plaques mounted on a brass substructure. This was not a stylistic decision; rather enamel production technology had not yet achieved the ability to create large pieces of enamel. The "13 piece face" was an early attempt to create an entirely white enamel face. As the name suggests, it was composed of 13 enamel plaques: 12 numbered wedges fitted around a circle. The first single portion enamel faces, not unlike those in production today, began to appear c. 1735.

Sunday, April 29, 2007

Bluetooth

Bluetooth is an industrial requirement for wireless personal area networks (PANs). Bluetooth provides a way to connect and swap information between devices such as mobile phones, laptops, PCs, printers, digital cameras, and video game consoles over a secure, globally unlicensed short-range radio frequency. The Bluetooth specifications are licensed and developed by the Bluetooth Special Interest Group.

Bluetooth is a radio standard and communications protocol mostly designed for low power consumption, with a short range based on low-cost transceiver microchips in each device. The devices use a radio communications system, so they do not have to be in line of view of each other, and can even be in other rooms, as long as the conservative transmission is powerful enough.

Monday, April 23, 2007

Ocean

Ocean covers almost three quarters of the surface of the Earth, and nearly half of the world's marine waters are over 3000 m deep.
This global, consistent body of salt water, called the World Ocean, is divided by the continents and archipelagos into the following four bodies, from the largest to the smallest: the Pacific Ocean, the Atlantic Ocean, the Indian Ocean, and the Arctic Ocean, and, according to some authorities such as International Hydrographic Organization, a fifth ocean, the Southern Ocean.
Some geographers and some governments but not the US, recognizes the IHO as defining official water body names and boundaries. The IHO officially sanctioned the Southern Ocean name only in 2000, but its definition by a line of latitude has left its acceptance as a fifth ocean open to question. The National Geographic Society and some other leading geographers and cartographers continue to use "South Pacific", "South Atlantic", and "Indian" Ocean for the waters around Antarctica. A few Oceanographers recognize only four oceans also, treating the Arctic Ocean as a part of the Atlantic Ocean.

Thursday, April 19, 2007

Radio

Radio is the wireless transmission of signals, by modulation of electromagnetic waves with frequencies below those of light.Radio waves.Radio waves are a form of electromagnetic radiation, formed whenever a charged object accelerates by a frequency that lies in the radio frequency (RF) portion of the electromagnetic spectrum. This is the variety from a few tens of hertz to a few hundred gigahertz.Electromagnetic radio spectrum Other types of electromagnetic radiation, with frequencies above the RF range are infrared, visible light, ultraviolet, X-rays and gamma rays. Since the energy of an individual photon of radio frequency is too low to remove an electron from an atom, radio waves are classified as non-ionizing radiation.Radio transmission diagram and electromagnetic waves.Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space equally well, and does not need a medium of transport induces an alternating current and voltage in the conductor. This can be transformed into audio or other signals that carry information. Although the word 'radio' is used to explain this phenomenon, the transmissions which we know as television, radio, radar, and cell phone are all classed as radio frequency emissions.

Tuesday, April 10, 2007

Electric chair

The electric chair was a mechanism commonly used for execution of convicted criminals during the 20th century in the USA. It was first used in the not on time 19th century. It was used by more than 25 states throughout the 20th century, acquiring nicknames such as Sizzlin' Sally, Old Smokey, Old Sparky, Yellow Mama, and Gruesome Gertie. To be put to death in an electric chair is colloquially known as "riding the lightning." Its continued use in the 21st century seems to be quickly on the way out. The electric chair was also used, for a time, in the Philippines.

History

The first practical electric chair was made-up by Harold P. Brown. Brown was an employee of Thomas Edison's, hired for the function of researching electrocution and for the growth of the electric chair. Since Brown worked for Edison, and Edison promoted Brown's work, the development of the electric chair is often incorrectly credited to Edison himself. Brown's design was based on Alternating Current, which was then just emerging as the rival to Edison's less transport-efficient Direct Current, which was further along in commercial progress. The decision to use AC was wholly driven by Edison's attempt to claim that AC was more lethal than DC.

New York State in 1886 recognized a committee to determine a new, more humane system of implementation to replace hanging. Neither Edison nor Westinghouse wanted their electrical system to be selected because they feared that consumers would not want in their homes the same type of electricity used to kill criminals.

In order to prove that AC electricity was superior for executions, Brown and Edison killed many animals, including a circus elephant, while testing out their prototypes. They also held executions of animals for the press in order to ensure that AC current was connected with electrocution. It was at these events that the term "electrocution" was coined. Most of their experiments were conducted at Edison's West Orange, New Jersey, laboratory in 1888.

Friday, April 06, 2007

Sarus Crane

The Sarus Crane is a occupant breeding bird in northern India, Nepal, Southeast Asia and Queensland, Australia. It used to be found on occasion in pakistan, but has not been found sience the late 1980's. It is the world's tallest flying bird.

This is an extremely big crane, 156cm in length, which is found in freshwater marshes and plains. It nests on the ground laying two to three eggs in a large nest. Unlike many cranes that make long migrations the sarus crane does not, meaning it cans expent the energy to raise both chicks. Both the male and female take turns sitting on the nest, and the male is the main guardian.

Adults are grey with a nude red head and white crown and a long dark sharp bill. In flight, the long neck is kept in a straight line, unlike herons, and the black wing tips can be seen; their long red or pink legs trail at the back them.

Sexes are similar, but little birds are duller and browner. The Indian, Southeast Asian and Australian subspecies is different mainly in plumage shade. There are some slight size differences, but on average the male is larger then the female, and the birds are six feet tall with an eight foot wingspan.

These sociable birds forage while walking in shallow water or in fields, sometimes inquisitive with their long bills. They are omnivorous, eating insects, aquatic plants and animals, crustaceans, seeds and berries, small vertebrates, and invertebrates.

The Indian population is about 10,000 birds, and the Australian population of 5,000 birds may be rising, but the Southeast Asian subspecies has been decimated by war and home obliteration.
In Australia, the Sarus can with no trouble be incorrect for the Brolga. The Brolga has a more extensive distribution across the country, and its red coloring is limited to the head. However the brogla and sarus are genetically completely different and the natives of astrillia were aware that they were two different types of bird’s referring to the sarus as the brogla who’s curved in its head in blood.

Monday, April 02, 2007

Delta Air Lines

Delta Air is a major U.S. airline headquartered in Atlanta, Georgia, operating a large domestic and international network that spans North America, South America, Europe, Asia, and the Caribbean.

Delta operates hubs at Atlanta, Cincinnati, New York-JFK, and Salt Lake City. Delta also has great operations in many other cities, including Boston, Columbus, Fort Lauderdale, Los Angeles, New York-LaGuardia, Orlando, and Washington-Reagan. Delta is also the foremost hauler in Florida. Its key worldwide gateways are Atlanta, Cincinnati, and New York-JFK.

In terms of passengers approved, Delta is the second-largest airline in the world. In terms of total operating revenues, Delta is the fourth-largest airline in the world As of September 1, 2005, Delta served 178 domestic cities in 46 states, Puerto Rico, and the U.S. Virgin Islands, as well as 71 international cities, including 10 future ones, in 45 countries.

Early history

Delta timetable from 1934
Delta Boeing 747, operated by Pan Am, at London Heathrow Airport in May 1974.The corporation has its roots in Huff Daland Dusters, which was founded in 1924 in Macon, Georgia by more than a few partners with Collett E. Woolman becoming the world's first aerial crop dusting company. Huff Daland moved to Monroe, Louisiana the following year. In 1928, Huff Daland Dusters was purchased by C.E. Woolman and renamed Delta Air military after the Mississippi Delta, where its route joined Dallas, Texas to Jackson, Mississippi, via Shreveport, Louisiana and Monroe. By 1934, Delta Air began mail service from Charleston to Fort Worth, including Atlanta, Augusta and other stops in Georgia.

In 1941, Delta enthused its headquarters from Monroe to Atlanta, Georgia, to center itself along its new way network that joined Chicago and New Orleans to Florida and Ohio which would later become a Delta hub. In the 1950s, Delta began flights from New Orleans to the Caribbean and Venezuela, becoming the number 2 U.S. carrier in the region after Pan Am and Braniff. On May 1, 1953, Delta combined with Chicago and Southern to enlarge routes in Midwest. In 1955 Delta introduced the "hub and spoke system" where flights are running scared to a central point then sent out to other cities. By the early 1960s, Delta's route network extended to the West Coast, and Dallas was emerging as its second hub city.

Wednesday, March 28, 2007

Movie camera

The movie camera is a type of photographic camera which takes a quick sequence of photographs on film; once developed this film can be projected as a action picture. In contrast to a still camera which captures a single picture at a time, the movie camera takes a sequence of images, each called a Frame. This is accomplished through an constant mechanism. The frames are later played back in a movie projector at a specific speed, called the "frame rate" to give the illusion of motion. Our eyes and brain merge the separate pictures together to create the illusion, a phenomenon called the "persistence of vision".
Most of the ocular and mechanical rudiments of a movie camera are present in the movie projector. The camera will not have an illumination source and will keep its film stock in a light-tight enclosure. A camera will also have revelation control via an iris aperture located on the lens. Otherwise, the requirements for film tensioning, take-up, alternating motion, loops, and rack positioning are almost identical.

Friday, March 23, 2007

Cellular

A cellular network is a radio network made up of a number of radio cells (or just cells) each served by a fixed transmitter, normally known as a (base station). These cells are used to cover dissimilar areas in order to provide radio coverage over a wider area than the area of one cell. Cellular networks are naturally asymmetric with a set of fixed main transceivers each serving a cell and a set of distributed transceivers which provide services to the network's users.
Cellular networks offer a number of advantages over alternative solutions,
increased capacity
reduced power usage
better coverage
A good (and simple) example of a cellular system is an old taxi driver's radio system where a city will have some transmitters based around a city. We'll use that as an example and assume that each transmitter is handled independently by a different operator.

Monday, March 19, 2007

View camera

The view camera is a type of camera with a very long history, but they are still used today by professional and amateur photographers who want full control of their images. The view camera is essentially a light-tight assembly comprised of a flexible mid-section, or bellows, attached to a device that holds a film sheet, photo plate or digital imager at one end (the rear standard) and a similar one that holds the lens at the other end (the front standard). The front and rear standards are not fixed relative to each other (unlike most cameras). Movement of the front and rear standards allows the photographer to move the lens and film plane separately for precise control of the image's focus, depth of field and perspective.

Tuesday, March 13, 2007

Eye color

Eye color is a polygenic trait and is determined mainly by the amount and type of pigments present in the eye's iris. Humans and animals have many phenotypic variations in eye color. In humans, these variations in color are credited to varying ratios of eumelanin produced by melanocytes in the iris.The brightly colored eyes of many bird species are mostly determined by other pigments, such as pteridines, purines, and carotenoids.
Three main elements within the iris add to its color: the melanin content of the iris pigment epithelium, the melanin content within the iris stroma, and the cellular density of the iris stroma.In eyes of all colors, the iris pigment epithelium contains the black pigment, eumelanin.Color variations among different irises are normally attributed to the melanin content within the iris stroma.The density of cells within the stroma affects how much light is absorbed by the underlying pigment epithelium.

Thursday, March 08, 2007

Coma

In medicine, a coma (from the Greek koma, meaning deep sleep) is a profound state of unconsciousness. A comatose patient cannot be awakened, fails to respond in general to pain or light, does not contain sleep-wake cycles, and does not take voluntary actions. Coma may result from a variety of conditions, including intoxication, metabolic abnormalities, central nervous system diseases, acute neurologic injuries such as stroke, and hypoxia. It may also be intentionally induced by pharmaceutical agents in order to preserve higher brain function following another form of brain trauma.

Distinctive phases of coma
Within coma itself, there are some categories that describe the severity of impairment. Contrary to popular belief, a patient in a comatose state does not always lay still and quiet. They may talk, walk, and perform other functions that may occasionally appear to be conscious acts, yet are not.
Two scales of measurement regularly used in TBI diagnosis to determine the phase of coma are the Glasgow Coma Scale and the Ranchos Los Amigos Scale. The GCS is a simple 15-point scale used by medical professionals to assess severity of neurologic trauma, and establish a prognosis. The RLAS is a more complex scale that describes up to eight separate levels of coma, and is often used in the first few weeks or months of coma while the patient is under nearer observation, and when shifts between levels are more frequent.

Sunday, March 04, 2007

Language school

A language school is a place of education where one can study a foreign language. In most cases, classes at a language school are geared towards, but not limited to, talkative competence in a foreign language. Language learning in such schools usually supplements formal education or experience in a foreign language.
Students vary generally by, among other factors, age, educational background and work experience, as well as language ability. Teachers are likely to possess native fluency or acquired comptence in their target languages; formal qualifications to become a language teacher, however, vary by school, region or country.

Tuesday, February 27, 2007

Monkey

A monkey is a member of either of two of the three groupings of simian primates. These three groupings are the New World monkeys, the Old World monkeys, and the apes. The New World monkeys are classified within the parvorder Platyrrhini, whereas the Old World monkeys (superfamily Cercopithecoidea) form part of the parvorder Catarrhini, which also includes the apes. Thus, methodically speaking, monkeys do not form a "natural group", in that the Old World monkeys are in fact more closely related to the apes than they are to the New World species. There are 264 known extant species of monkey. Because of their similarity to monkeys, apes such as chimpanzees and gibbons are often called monkeys in informal usage, though biologists don't consider them to be monkeys. Conversely, due to its size (up to 1 metre) the Mandrill is often thought to be an ape, but it is actually an Old World monkey. Also, a few monkey species have the word "ape" in their common name. Because they are not a single coherent group, monkeys do not have any particular traits that they all share and are not shared with the remaining group of simians, the apes.

Thursday, February 22, 2007

Manhattan

Manhattan refers to both the Island of Manhattan and encompasses most of the Borough of Manhattan, one of the five boroughs of New York City. The viable, financial, and cultural center of the city, Manhattan has many famous landmarks, tourist attractions, museums and universities. It is also home to the control center of the United Nations and the seat of city government.The borough of Manhattan is coterminous with New York County, which is also the most densely populated county in the United States. Postal addresses within the borough are typically chosen as "New York, NY."Manhattan has the biggest central business district in the United States and is the site of most of the city's corporate headquarters and the New York Stock Exchange. Although its population is third biggest of the five boroughs, after Brooklyn and Queens, and it is geographically the smallest, Manhattan is the borough that many visitors most personally associate with New York City.

Sunday, February 18, 2007

Heart cancer

Heart cancer is an very rare form of cancer of the heart. Heart cancer is separated into primary tumors of the heart and secondary tumors of the heart. Most heart cancers are benign of myxomas, fibromas, rhabdomyomas and hamartomas, although malignant sarcomas (such as angiosarcoma or cardiac sarcoma) have been well-known to occur. In a learning of 12,487 autopsies performed in Hong Kong seven cardiac tumors were found, most of which were benign. However, cancer can also reach to heart from other parts of the body. In addition the heart can be affected by handling for cancer in other parts of the body.