Lighthouse of Alexandria

The lighthouse of Alexandria or the pharos of Alexandria, Greek was a tower built in the 3rd century BC between 285 and 247 BC on the island of pharos in Alexandria, Egypt to serve up as that port’s landmark and later, its lighthouse.

With a height variously predictable at between 115 -150 meters (377 - 492 ft) it was amongst the tallest man-made structures on Earth for many centuries, and was recognized as one of the Seven Wonders of the World by Antipater of Sidon. It may have been the third tallest building after the two Great Pyramids (of Khufu and Khafra) for its whole life. Some scholars estimate a much taller height more than 180 meters that would make the tower the tallest building up to the 14th century.

Seafood

It is one of the sea animals that are serving like food or fit for eating, this normally include seawater animal like fish and shellfish. By adding together in North America though not generally in UK, the word seafood is as well helpful to attach animal from fresh water and all apt for eating aquatic animals are together referred as the seafood.

The Edible seaweeds are almost not ever considered seafood, even though they come from seawater and are normally eaten around the world. The harvesting of seafood is well-known as fishing and the farming of seafood is known as aquaculture or simply fish farming. Seafood is the starting point of protein in many diets around the world.

Working capital

Working capital is also known as net working capital is a financial metric which represent the amount of day-by-day operating liquidity available to a business. Along with fixed assets such as plant and equipment, working capital is measured a part of operating capital. It is calculated as current assets less current liabilities. A company can be capable with assets and profitability, but short of liquidity, if these assets cannot readily be converted into cash.

When current assets are less than current liabilities, an entity has a working capital deficiency also called a working capital deficit.

Arbitrage

In economics and finance, arbitrage is the practice of taking benefit of a price differential between two or more markets: a mixture of similar deals is struck that take advantage of upon the imbalance, the profit being the difference between the market prices. When used by academics, an arbitrage is a transaction that involves no negative cash flow at any probabilistic or temporal state and a positive cash flow in at least one state; in simple terms, a risk-free profit. A person who engages in arbitrage is called an arbitrageur. The term is frequently applied to trading in financial instruments, such as bonds, stocks, derivatives, commodities and currencies.

If the market prices do not allow for profitable arbitrage, the prices are said to encompass an arbitrage equilibrium or arbitrage-free market. Arbitrage equilibrium is a precondition for a general economic equilibrium. The assumption that there is no arbitrage is used in quantitative finance to calculate a unique risk neutral price for derivatives.
Statistical arbitrage is an imbalance in predictable nominal values. A casino has a statistical arbitrage in almost every game of possibility that it offers - referred to as the house edge or house advantage or even the Vigorish.

River

A river is a natural waterway, which runs water diagonally the land from higher to lower elevations, and is the most significant part of the water cycle. The water within a river is commonly from rain through exterior runoff and release of stored water in natural reservoirs, like groundwater.

The start of a mountain river from their resource, all rivers flow downhill, naturally terminates in the sea or in a lake, all through a flowing together. In dry areas rivers at times end by losing water to evaporation. River water may as well gain way in to the soil or pervious rock, where it becomes groundwater. Extreme abstraction of water for use in industry, irrigation, etc., can as well source a river to dry before reaching its natural boundary.

International Monetary Fund

The International Monetary Fund (IMF) is a worldwide organization that oversees the global financial system by follow the macroeconomic policies of its member countries; in exacting those with a crash on exchange rates and the balance of payments. It also offers financial and technical support to its members, making it an international lender of last resort. Its headquarters are situated in Washington, D.C., USA.

What does Integration generally mean by its word?

Integration is a core model of advanced mathematics, particularly in the fields of calculus and mathematical analysis. Given a function f(x) of a actual variable x and an interval [a, b] of the real line, the integral is equal to the area of a region in the xy-plane bounded by graph of f, the x-axis, and the vertical lines x = a and x = b, by way of areas below the x-axis being subtracted.

The word "integral" may as well refer to the notion of ant derivative, a function F whose derivative is the given function f. In this casing it is called an indefinite integral, while the integrals discussed in this article are named definite integrals. Few authors maintain a distinction between ant derivatives and indefinite integrals.

Typewriter

A typewriter is a mechanical, electromechanical, or electronic device with a set of "keys" that, when pushed, causes characters to be printed on a medium, usually paper. For much of the 20th century, typewriters were vital tools in business offices and for many professional writers. By the end of the 1980s, word processor applications on personal computers had largely replaced the tasks previously talented with typewriters. Typewriters, however, remain popular in the developing world and between some niche markets.

Vegetable

Vegetable is a cookery term which usually refers to an edible part of a plant. The definition is traditional rather than scientific and is somewhat random and subjective. All parts of herbaceous plants eaten as food by humans, whole or in part, are in general considered vegetables. Mushrooms, though belong to the biological kingdom fungi, and are also commonly considered vegetables. In common, vegetables are consideration of as being savory, and not sweet, although there are many exceptions. Nuts, grains, herbs, spices and culinary fruits are usually not exact vegetables.

Ring Finger

A finger ring is a band worn as kind of ornamental jewellery around a finger; it is the most ordinary current meaning of the word ring. Additional types of metal bands worn as ornaments are also called rings, such as arm rings and neck rings.

Rings are worn by both men and women, Rings can be made of metal, plastic, wood, bone, glass, gemstone and other equipment also. They may be set with a "stone" of some sort, which is really precious or semi-precious gemstone such as ruby, sapphire or emerald, but can also be of almost any material.

There are a variety of methods for determining ring size. Quantities of the main rings in the world are made for the winning team of the Super Bowl. The unofficial record for the largest championship ring ever accessible to a professional sports team belongs to the 2003 World Series champions Florida Marlins, with a weight of over 110 grams and with over 240 stones.

Rings can be worn on any finger, still on toe fingers also In Western society, the traditional "ring finger" for the wearing of an engagement or wedding ring is the fourth finger of the left hand with the thumb counting as finger number one. The signet ring, a ring designate dignity, is normally worn on the little (fifth) finger of the right or left hand, depending on nationality.

Bond market

The bond market is also known as the debt, credit, or fixed income market is a financial market where member can buy and sell debt securities, usually in the form of bonds. As of 2006, the size of the global bond market is a predictable $45 trillion, of which the size of the outstanding U.S. bond market debt was $25.2 trillion.

"Bond market" is usually refers to the government bond market, because of its size, liquidity, lack of credit risk and, therefore, compassion to interest rates. Because of the inverse relationship between bond valuation and interest rates, the bond market is regularly used to indicate changes in interest rates or the shape of the yield curve.

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.

Venus

Venus (pronounced /'vi?n?s/) is the second-closest planet to the Sun, orbiting it each 224.7 Earth days. It is the brightest usual object in the night sky, except for the Moon, reaching an obvious magnitude of -4.6. Because Venus is a substandard planet, from Earth it never appears to venture far from the Sun: its elongation reaches a maximum of 47.8°. Venus reaches its maximum brightness shortly before sunrise or shortly after sunset, for which reason it is frequently called the Morning Star or the Evening Star.

Classified as a terrestrial planet, it is now and then called Earth's "sister planet", for the two are similar in size, gravity, and bulk composition. Venus is enclosed with an opaque layer of highly reflective clouds of sulfuric acid, preventing its surface from being seen from space in visible light; this was a subject of great speculation until some of its secrets were exposed by planetary science in the twentieth century. Venus has the densest atmosphere of all the terrestrial planets, consisting frequently of carbon dioxide, as it has no carbon cycle to lock carbon back into rocks and surface features, nor organic life to take up it in biomass. It has become so hot that the earth-like oceans the young Venus is supposed to have possessed have completely evaporated, leaving a dusty dry deserts cape with many slab-like rocks. The evaporated water vapor has dissociated and hydrogen has runaway into interplanetary space. The atmospheric pressure at the planet's external is 92 times that of the Earth, the great mass of it carbon dioxide and other greenhouse gases.

Juice

Juice is a liquid naturally controlled in fruit or vegetable tissue. Juice is prepared by mechanically squeezing or macerating fresh fruits or vegetables without the request of heat or solvents. For example, orange juice is the liquid take out from the fruit of the orange tree. Juice may be prepared in the home from fresh fruits and vegetables by means of variety of hand or electric juicers. Many commercial juices are drinkable to remove fiber or pulp, but high pulp fresh orange juice is marketed as an alternative. Juice may be marketed in deliberate form, sometimes frozen, require the user to add water to reconstitute the liquid back to its 'original state' (Generally, concentrates have a noticeably different taste than their comparable "fresh-squeezed" versions). Other juices are reconstituted before covering for retail sale. Common methods for protection and processing of fruit juices include canning, pasteurization, freezing, evaporation and spray drying.

A history of computer viruses

In the following report, “computer viruses” will be explained in aspect. A lengthy and educational description of the evolution and history on microcomputer viruses will be given; to give you a background of their origin for some understanding of how they came to be. The next segment in the statement is on how to battle computer viruses with the development of anti-virus applications.

The current status of microcomputer viruses will also be discuss, naming the most common types of viruses and the mass harmful type at this present point of time.
Details of the most new outbreaks of computer viruses, such as the “Melissa”, “I Love You” and the most recent “Anna Kournikova” viruses will be explained, and why they are so harmful.

Plantation

A plantation is a deliberate planting of a crop, on a larger scale, frequently for uses other than cereal production or pasture. The word is most frequently used for plantings of trees and shrubs. The word tends also to be used for plantings maintain on financial bases other than that of survival farming. Crops may be called plantation crops because of their relationship with an exact type of farming economy. Most of these fit into place a large landowner, raising crops with economic value rather than for survival, with a number of employees carrying out the work. Often crops recently introduced to a region. In past times it has been connected with slavery, indentured labour, and other economic models of high injustice. However, arable and dairy farming are both frequently (but not always) barred from such definitions. A comparable economic structure in ancient times was the latitudinal that produced commercial amount of olive oil or wine, for export.

Dye-transfer process

The dye transfer progression is a continuous-tone color photographic printing process, popularized by the Eastman Kodak Company in the 1940s. It is sometimes referred to by such general names as wash-off relief printing and dye imbibition’s transfer printing. The process involves making three matrices for each color, which absorb dye in quantity to the density of the relief. A color print is shaped, by transferring the dyed film matrices in physical contact onto a mordant dye receiver paper. Eastman Kodak Company congested making materials for this process in the mid 1990s. The dyes used in the process are very spectrally pure compare to normal coupler induced photographic dyes, with the immunity of the Kodak cyan. Also the dyes have exceptional light and dark fastness. The dye transfer process possesses the major color gamut and tonal scale than any other process, including inkjet. Another important characteristic of dye move is it allows the practitioner the highest degree of photographic control compare to any other photochemical color print process.

whaleboat

A whaleboat is a type of open boat that is comparatively narrow and pointed at both ends, enabling it to move either forwards or backwards equally well. It was initially developed for whaling, and later became popular for work along beaches, as it does not need to be turned around for beaching or refloating.
Whaleboats are usually oar-powered, although in whaling use often had a dismountable mast and sails, too. After 1850 most were fitted with a centerboard for marine. When sailing, steering was with a rudder; when rowing, navigation was done with an oar held over the stern. Whaleboats used in whaling had a stout post mounted on the aft deck, approximately which the steersman would cinch the rope once the whale had been harpooned, and by which the whale would drag the boat awaiting it was killed.
The term "whaleboat" may be used casually of larger whalers, or of a boat used for whale watching.

Cricket bat and Shape

A cricket bat is worn by batsmen in the sport of cricket. It is typically made of willow wood. This specialized bat is shaped something like a paddle, consisting of a padded handle similar to - but sturdier than - that of a tennis racquet, which is typically cylindrical in shape. This widens into the blade of the bat, a wider wooden block flat on one side and with a V-shaped edge on the other to provide greater air flow in the follow through and greater strength to the over-all bat. The flat side (the front of the bat) is used to punch the ball. The point at which the handle widens into the blade is known as the shoulder of the bat, and the base of the blade is known as the toe of the bat.

Workholding systems

The basic workholding accessory for a wood or metal turning lathe is faceplate. It is a circular metal plate which fixes to the end of the lathe spindle. The workpiece is then hold tightly to the faceplate using t-nuts in the faceplate slots. It may be attached to the lathe using thread and a precision cone arrangement. Camlock arrangement is commonly used where shaped studs and cams replace threaded studs for rapid exchganging of the faceplate with other accessories, such as three or four jaw chucks. The different types of workholdings are pneumatic workholding, vacuum workholding and hydraulic workholding.

The faceplate was the ancestor of lathe chuck, an arrangement of three or more adjustable 'dogs' bolted to the faceplate providing a primitive chuck arrangement. It may seem that the faceplate is a primitive accessory superseded by precision chucks, but its inherent flexibility and the possibility of achieving great accuracy by careful setting up mak it an essentail for the well equipped lathe.