Monday, February 25, 2008

Mars

Mars (pronounced /'m?rz/) is the fourth planet from the Sun in the planetary System. The planet is name after Mars, the Roman god of war. It is also named as the "Red Planet" because of its reddish form as seen from Earth.

Mars is a terrestrial planet with a thin atmosphere, having surface features suggestive both of the impact craters of the Moon and the volcanoes, valleys, deserts and polar ice caps of Earth. It is the site of Olympus Moons, the highest known mountain in the Solar System, and of Valleys Mariners, the largest canyon. In addition to its geographical features, Mars’ rotational period and seasonal cycles are likewise alike to those of Earth.

Until the first flyby of Mars by Mariner 4 in 1965, it was speculate that there might be liquid water on the planet's surface. This was based on observations of periodic variation in light and dark patches, mainly in the polar latitudes, which looked like seas and continents, while long, dark striations were interpreted by some observer as irrigation channels for liquid water. These straight line features were later proven not to exist and were instead explain as optical illusions. Still, of all the planets in our Solar System further than Earth, Mars is the most likely to harbor liquid water, and perhaps life.

Tuesday, February 19, 2008

Apple

The apple is the pomaceous fruit of the apple tree, variety Malus domestica in the rose family Rosaceae. It is one of the most extensively cultivated tree fruits. The tree is small and deciduous, reaching 5–12 m tall, with a broad, often thickly twiggy crown. The leaves are alternately set in simple ovals 5–12 cm long and 3–6 cm broad on a 2–5 cm petiole with an acute tip, serrated margin and a slightly downy underside. Flowers are produced in spring immediate with the budding of the leaves. The flowers are white with a pink tinge that steadily fades five petaled, 2.5-3.5 cm in diameter. The fruit matures in autumn, and is classically 5–9 cm diameter. The centre of the fruit contains five carpels given in a five-point star, each carpel containing one to three seeds.
The tree originated from Asia, where its wild forebear is still found today. There are more than 7,500 known cultivars of apples ensuing in range of desired characteristics. It should be noted however, that cultivars vary in their yield and the definitive size of the tree, even when grown on the same rootstock.

Monday, February 11, 2008

Building

Buildings provide numerous needs of society. The human body can be continued and may effectively function only within a limited range of climatic conditions such as temperature, humidity, moisture, sunlight, and amount of oxygen and pollutants in the air. Along with access to food and drinking water, the need to make places that are protected from the outdoors and where one can happily live, work, eat, sleep, have children or engage in leisurely activities has always been a top concern for humans.
A building as a security represents a physical division of the human habitat into the inside (a place of comfort and safety) and the outside (a place that at times may be harsh and harmful). Humans have a strange drive to reproduce on their lives and express themselves through art. Ever since the first cave paintings, the buildings and everything on, inside and near buildings have become objects of creative expression. In recent years, attention on sustainable planning and building practices has improved in the U.S.

Monday, February 04, 2008

Tomato


The tomato (Solanum lycopersicum) is a plant in the Solanaceae or nightshade family, as are its secure cousin’s tobacco, chili peppers, potato, and eggplant. The tomato is topic to Central, South, and southern North America from Mexico to Peru. It is a perennial, often grown outdoors in temperate climates as an annual, classically attainment to 1–3 m (3 to 10 ft) in height, with a weak, woody stem that often vines over other plants.

The leaves are 10–25 cm long, pinnate, with 5–9 leaflets, each leaflet up to 8 cm long, with a pointy margin; both the stem and leaves are thickly glandular-hairy. The flowers are 1–2 cm across, yellow, with five sharp lobes on the corolla; they are bear in a cyme of 3–12 together. The word tomato derives from an appearance in the Nahuatl language, tomatl. The exact name, lycopersicum, means "wolf-peach" evaluate the related species S. lycocarpum, whose scientific name means "wolf-fruit", common name "wolf-apple".

Monday, January 28, 2008

Screen-printing


Screen-printing, silk-screening, or serigraphy is a printmaking system that creates a sharp-edged image using a stencil. A screen-print or serigraph is an image shaped using this technique.

It started as an industrial technology, and was adopt by American graphic artists in the early 1900s. It is currently popular both in fine arts and in commercial printing, where it is generally used to print images on T-shirts, hats, CDs, DVDs, ceramics, glass, polyethylene, polypropylene, paper, metals, and wood. The Printer's National Environmental Assistance Center says "Screen printing is possibly the most adaptable of all printing processes." Since rudimentary screen-printing materials are so affordable and readily available, it has been used normally in underground settings and subcultures, and the non-professional look of such DIY culture screen prints has become a significant cultural aesthetic seen on movie posters, record album covers, flyers, shirts, commercial fonts in advertising, and elsewhere.

Monday, January 21, 2008

Tajmahal

The Taj Mahal is a mausoleum situated in Agra, India. The Mughal Emperor ShahJahan commissioned it as a mausoleum for his favorite’s wife, Mumtaz Mahal. Building began in 1632 and was completed in 1648. Some argument surrounds the question of who designed the Taj; it is clear a team of designers and craftsmen were in charge for the design, with Ustad Isa carefully the most likely candidate as the main designer.
The Taj Mahal sometimes called "the Taj is generally known as the finest example of Mughal architecture, a style that combines elements of Persian and Indian. While the white domed marble mausoleum is the most memorable part of the monument, the Taj Mahal is actually an included complex of structures. It was planned as a UNESCO World Heritage Site in 1983 when it was described as universally admired masterpieces of the world's heritage.

Wednesday, January 16, 2008

Players


A team consists of eleven players Depending on his or her primary skills; a player may be classifying as an expert batsman or bowler. A balanced team frequently has five or six specialist batsmen and four or five specialist bowlers. Teams nearly always take in a specialist wicket-keeper because of the importance of this fielding position. Each team is headed by a captain, who is responsible for making planned decisions such as formative the batting order, the placement of fielders and the rotation of bowlers.

A player who excels in mutually batting and bowling is known as an all-rounder. One who excels as a batsman and wicket-keeper is known as a "wicket-keeper/batsman", every so often regarded as a type of all-rounder. True all-rounder is rare; most players focus on either batting or bowling skills.

Monday, January 07, 2008

Types of Fashion

Haute Couture The type of fashion design which predominated until the 1950s was "made-to-measure" or haute couture. A couture garment is made for an individual customer. Look and fit take priority over the cost of materials and the time it takes to make. Mass Market these days the fashion industry relies more on mass market sales. This caters for a broad range of customers, producing ready-to-wear clothes in large quantities and standard sizes. Ready-to-Wear clothes are a cross between couture and mass market. They are not made for individual customers, but vast care is taken in the choice and cut of the fabric. Clothes are made in small quantities to promise exclusivity, so they are rather costly.

Thursday, January 03, 2008

Semantics

Semantics contrast with syntax, which is the study of the arrangement of sign systems (focusing on the form, not meaning). When analyzing languages, an analysis can be said to cover both the "syntax and semantics" relating to both the format and meanings of phrases in a language. The term semantics can be relevant not only to natural languages, such as English, German or Latin, but also to technical languages, such as a computer programming language.

Friday, December 28, 2007

Cast iron

Cast iron usually refers to grey cast iron, but can mean any of a group of iron-based alloys containing more than 2% carbon. It is made by remelting pig iron, often along with substantial quantities of scrap iron and scrap steel, and taking various steps to remove undesirable contaminants such as phosphorus and sulfur. Carbon and silicon content are reduced to the desired levels, which may be anywhere from 2% to 3.5% for carbon and 1% to 3% for silicon depending on the application. Other elements are then added to the melt before the final form is produced by casting.
Iron is most commonly melted in a small blast furnace known as a cupola. After melting is complete, the molten iron is removed or ladled from the forehearth of the blast furnace. This process is thought to have been devised by the late 18th century ironmaster John Wilkinson, whose innovative ideas revolutionized the field of metallurgy. Previously, iron was melted in an air furnace, which is a type of reverberatory furnace.

Monday, December 17, 2007

Bond

In finance, a bond is a debt security, in which the certified issuer owes the holders a debt and is obliged to repay the principal and interest (the coupon) at a later date, termed maturity. Other conditions may also be attached to the bond issue, such as the obligation for the issuer to provide certain information to the bond holder, or limits on the behavior of the issuer. Bonds are usually issued for a fixed term more than ten years, U.S. Treasury securities issue debt with life of ten years or more, which is a bond, and New debt between one year and ten years is a "note", and new debt less than a year is a "bill".

Sunday, December 02, 2007

Antoine Lavoisier

Antoine Lavoisier was one of the well known French scientists and was a chief government official. His theories of combustion, his growth of a way to categorize the fundamentals and the first new textbook of chemistry led to his being known as the father of modern chemistry. He contribute too much of investigate in the field of chemistry. He is quote for saying, nothing is lost, nothing is created, and everything is distorted. He bore in Paris, France on Aug. 26, 1743. When he was eleven years old he attends a college called Mazain, For Lavoisier's last two years in college he creates a massive deal of attention in science.
He received an excellent teaching and developed an attention in all branches of science, particularly chemistry. Abbe Nicolas Louis de Lacaill trained Lavoisier regarding meteorological examination. On 1763 Lavoisier anticipated his bachelor's degree and on 1764 a licentiate which allowed him to practice his profession. In his extra time he studied books of science and his first paper was written about gypsum, also familiar by hydrated calcium sulfate and he describes its chemical and physical property.

Sunday, October 28, 2007

Metabolism

Metabolism is the total set of chemical reactions that occur in living cells. These processes are the source of life, allowing cells to grow and reproduce, maintain their structures, and react to their environments. Metabolism is frequently divided into two categories. Catabolic reactions yield energy, an example being the stop working of food in cellular respiration. Anabolic reactions, on the other hand, use this energy to construct mechanism of cells such as proteins and nucleic acids.

The chemical reactions of metabolism are organized into metabolic pathways, in which one chemical is distorted into another by a series of enzymes. Enzymes are vital to metabolism because they allow cells to drive desirable but thermodynamically unfavorable reactions by combination them to favorable ones. Enzymes also agree to the regulation of metabolic pathways in response to changes in the cell's environment or signals from other cells.

Friday, October 05, 2007

Accounting

A firm which export and import products are calls merchandise. This is also a method for the merchandising business to earn their profit. Merchandising businesses are dissimilar from service businesses. Merchandising business have goods on hand and resell to customers, it is called inventory. However, inventory is recorded day to day under periodic or everlasting methods. Further, very businesses dealings involved the Goods and Service Tax. This essay is set out to explore the operation of merchandising business, the two methods which utilize to record inventory transactions and the application of Goods and Service Tax.
In merchandising businesses stock on hand, which is also called inventory, stock in trade or stock, is a very important asset. Thus, it is necessary to keep the inventory safe from damage, decline and theft. This requires the structure of storage areas and the employment of person’s expert in handling inventories.

Monday, September 24, 2007

Types of software

Practical computer systems partition software into three major classes: system software, programming software and application software, although the division is subjective, and often blurred.

* System software is one of the major class helps run the computer hardware and computer system. It includes working systems, device drivers, analytical tools, servers, windowing systems, utilities and more. The intention of systems software is to protect the applications programmer as much as possible from the details of theexacting computer complex being use, especially memory and other hardware features, and such accessory procedure as communications, printers, readers, displays, keyboards, etc.

* Programming software usually provide tools to support a programmer in writing computer programs and software with different programming languages in a more suitable way.The tools comprise text editors, compilers, interpreters, linkers, debuggers, and so on, An incorporated development environment merge those tools into a software bundle, and a programmer may not need to type various command for compiling, interpreter, debugging, tracing, and etc., because the IDE typically has an sophisticated graphical user interface, or GUI.

* Application software allows humans to complete one or more explicit tasks. typical applications include manufacturingautomation, business software, educational software, medical software, databases and computer games. Businesses are possibly the biggest users of application software, but approximately every field of human action now uses some form of application software. It is used tocomputerizeall sorts of functions.

Monday, September 10, 2007

Mobile phone culture or customs

In fewer than twenty years, mobile phones have gone from being rare and expensive pieces of equipment used by businesses to a pervasive low-cost personal item. In many countries, mobile phones now outnumber land-line telephones, with most adults and many children now owning mobile phones. In the United States, 50% of children own mobile phones. It is not uncommon for young adults to simply own a mobile phone instead of a land-line for their residence. In some developing countries, where there is little existing fixed-line infrastructure, the mobile phone has become widespread. According to the CIA World Fact book the UK now has more mobile phones than people.

With high levels of mobile telephone penetration, a mobile culture has evolved, where the phone becomes a key social tool, and people rely on their mobile phone address book to keep in touch with their friends. Many people keep in touch using SMS, and a whole culture of "texting" has developed from this. The commercial market in SMS's is growing. Many phones even offer Instant Messenger services to increase the simplicity and ease of texting on phones. Cellular phones in Japan, offering Internet capabilities such as NTT DoCoMo's i-mode, offer text messaging via standard e-mail.

Sunday, September 02, 2007

Orange

Orange—specifically, sweet orange—refers to the citrus tree Citrus sinensis and its fruit. The orange is a hybrid of ancient cultivated origin, possibly between pomelo and tangerine. It is a small flowering tree growing to about 10 m tall with evergreen leaves, which are arranged alternately, of ovate shape with crenulated margins and 4–10 cm long. The orange fruit is hesperidia, a type of berry.

Sunday, August 26, 2007

Electron microscopes


Electron microscopes, which use beams of electrons as a substitute of light, are designed for very high magnification usage. Electrons, which have a much smaller wavelength than visible light, allow a much higher resolution. The main limitation of the electron beam is that it must pass through a vacuum as air molecules would otherwise scatter the beam.

Sunday, August 19, 2007

Persian orange

The Persian orange, grown-up widely in southern Europe after its introduction to Italy in the 11th century, was bitter. Sweet oranges bring to Europe in the 15th century from India by Portuguese traders, rapidly displaced the bitter, and are now the most common variety of orange cultivated. The sweet orange will grow to different sizes and colors according to local conditions, most commonly with ten carpel’s, or segments, inside.

Sunday, August 12, 2007

Solstice

A solstice occur twice a year, whenever Earth's axis tilts the most toward or away from the Sun, causing the Sun to be farthest north or south at noon. The name is derivative from Latin sol (sun) and sistere (to stand still), because at the solstice, the Sun stands still in declination, that is, its movement north or south is minimal. The term solstice can also be used in a wider sense as the date (day) that such a passage happens. The solstices, together with the equinoxes, are related to the seasons. In some languages they are considered to start or separate the seasons; in others they are considered to be center points.