Abu Ali al-Ḥusayn ibn Abd Allah ibn Sina is often referred to as Ibn Sīnā, or in Arabic writing Abū ʿAlī al-Ḥusayn ibn ʿAbd Allāh ibn Sīnā (Arabic أبو علي الحسين بن عبد الله بن سينا) or by his Latinized name philosopher, was a Persianpolymath, United Nations agency wrote nearly 450 treatises on a good vary of subjects, of that around 240 have survived. particularly, a hundred and fifty of his extant treatises focus on philosophy and forty of them focus on medication. His most famed works ar The Book of Healing, a huge philosophical and scientific cyclopaedia, and therefore the Canon of drugs,which was a customary medical text at several medieval universities.The Canon of drugs was used as a text-book within the universities of Montpellier and Leuven as late as 1650.Ibn Sīnā's Canon of drugs provides an entire system of drugs in keeping with the principles of Galen (and Hippocrates). His corpus conjointly includes writing on philosophy, astronomy, alchemy, geology, psychology, Muslim theology, logic, arithmetic, physics, furthermore as poetry.He is considered the foremost famed and powerful pundit of the Muslim Golden Age.

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Children's literature

Children's literature or juvenile literature includes stories, books, and poems that square measure enjoyed by kids. fashionable children's literature is assessed in 2 totally different ways: genre or the meant age of the reader.
One will trace children's literature back to stories and songs, a part of a wider oral tradition, that adults shared with kids before business existed. the event of early children's literature, before printing was fancied, is troublesome to trace. Even once printing became widespread, several classic "children's" tales were originally created for adults and later custom-made for a younger audience. Since the 1400s, an outsized amount of literature, typically with an ethical or spiritual message, has been aimed specifically at kids. The late nineteenth and early twentieth centuries became called the "Golden Age of Children's Literature" as this era enclosed the publication of the many books acknowledged these days as classics.

There is no single or wide used definition of kids's literature 15–17 It are often generally outlined as something that children reador a lot of specifically outlined as fiction, non-fiction, poetry, or drama meant for and employed by kids and teens.xvii Nancy Anderson, of the school of Education at the University of South American state, defines children's literature as "all books written for youngsters, excluding works like comic books, joke books, cartoon books, and non-fiction works that aren't meant to be browse from front to back, like dictionaries, encyclopedias, and alternative reference materials".

The International Companion cyclopedia of Children's Literature notes that "the boundaries of genre... aren't fastened however blurred" four. Sometimes, no agreement are often reached regarding whether or not a given work is best classified as literature for adults or kids. Meanwhile, others defy straightforward categorization. J.K. Rowling's Harry Potter series was written and marketed for youngsters, however it's additionally fashionable among adults. The series' extreme quality diode The ny Times to make a separate best-seller list for children's books.

Despite the widespread association of children's literature with image books, spoken narratives existed before printing, and therefore the root of the many children's tales return to ancient storytellers Seth Lerer, within the gap of Children's Literature: A Reader's History from Aesop to Harry Potter says, "This book presents a history of what kids have detected and skim... The history I pen may be a history of reception."

Muḥammad ibn Jabir al-Harrani al-Battani


Muḥammad ibn Jabir al-Harrani al-Battani was Associate in Nursing Arab Muslim uranologist, astrologer, and scientist. He introduced variety of pure mathematics relations, and his Kitāb az-Zīj was oft quoted by several medieval astronomers, together with Copernicus.

Little is understood regarding al-Battānī's life beside that he was born in Harran close to Urfa, in higher Mesopotamia, that is currently in Turkey, and his father was a far-famed maker of scientific instruments.His epithet aṣ-Ṣabi’ suggests that among his ancestry were members of the Sabian sect; but, his full name indicates that he was Muslim.Some western historians state that he's of noble origin, like Associate in Nursing Arab blue blood, however ancient Arabic biographers build no mention of this.He lived and worked in ar-Raqqah, a town in north central Syrian Arab Republic. One of al-Battānī's known achievements in uranology was the determination of the equinoctial year as being three hundred and sixty five days, 5 hours, forty six minutes and twenty four seconds.

Al-Battānī discovered that the direction of the Sun's apogee, as recorded by Ptolemy, was dynamical.(In trendy Copernican terms this can be as a result of the dynamical direction of the eccentricity vector of the Earth's orbit). He conjointly introduced, most likely severally of the fifth century Indian uranologist Aryabhata, the employment of sines in calculation, and part that of tangents.He conjointly calculated the values for the precession of the equinoxes (54.5" each year, or 1° in sixty six years) and also the obliquity of the great circle (23° 35').He used a homogenous rate for precession in his tables, selecting to not adopt the idea of dread attributed to his colleague Thabit ibn Qurra. Al-Battānī's work is taken into account instrumental within the development of science and uranology.Copernicus mentioned his financial obligation to al-Battānī and quoted him within the book that initiated the Copernican Revolution, the Delaware Revolutionibus Orbium Coelestium. Al-Battānī was oft quoted by Tycho Brahe, Riccioli, among others. astronomer and stargazer showed interest in a number of his observations,and his information continues to be utilized in geology.

Association football


Association soccer, normally called soccer or football game, could be a sport contend between 2 groups of 11 players with a spherical ball. it's contend by 250 million players in over two hundred countries, creating it the world's most well-liked sport.The game is contend on an oblong field with a goal at every finish. the item of the sport is to get by mistreatment any a part of the body besides the arms and hands to induce the soccer into the opposing goal.The goalkeepers square measure solely players allowed to the touch the ball with their hands or arms whereas it's live so only in their penalty space. piece of ground players principally use their feet to strike or pass the ball, however could use their head or body part to strike the ball instead. The team that scores the foremost goals by the top of the match wins. If the score is tied at the top of the sport, either a draw is said or the sport goes into beyond regular time and/or a penalty combat reckoning on the format of the competition. The Laws of the sport were originally statute in European nation by The soccer Association in 1863. soccer is ruled internationally by the International Federation of soccer (FIFA; French: Fédération hymn American state soccer Association) that organises a tournament each four years.

American football (NFL)

American soccer (known as football within the u.  s. and gridiron in another countries) may be a sport compete by 2 groups of 11 players on an oblong field one hundred twenty yards long by fifty three.33 yards wide with goalposts at every finish. The offense associate degree attempt|tries} to advance an oval ball (the

American football evolved within the u.  s., originating from the game of rugger. the primary game of yank soccer was compete on Nov six, 1869 between 2 faculty groups, Rutgers and Princeton, beneath rules resembling rugger and association football. a collection of rule changes concerned from 1880 onward by conductor Camp, the "Father of yank Football", established the snap, eleven-player groups and also the idea of downs, and later rule changes legalized the passing play, created the neutral zone and nominal the scale and form of the soccer.

American soccer as a full is that the standard|hottest|most well liked|preferred|most well-liked} sport within the United States; sport and faculty football area unit the foremost popular styles of the sport, with the opposite major levels being highschool and youth soccer. The NFL's championship game, the Super Bowl, is that the hottest single-day sporting event within the u.  s. and among the most-watched club sporting events within the world.
football) down the sector by running with or passing it. they need to advance it a minimum of 10 yards in four downs to receive a replacement set of 4 downs and continue the drive; if not, they flip over the soccer to the opposing team. Points area unit scored by advancing the ball into the opposing team's finish zone for a touchdown, kicking the ball through the opponent's goalposts for a field goal or by the defense braving the footballer within the offense's finish zone for a security. The team with the foremost points at the top of a game wins.

The Sports Portal

Sport (or, within the us and Canada, sports) is all styles of competitive physical activity that, through casual or organized participation, aim to use, maintain or improve ability and supply amusement to participants. many sports exist, from those requiring solely 2 participants, through to those with many synchronic participants, either in groups or competitory as people.

Sport is mostly recognized as activities that square measure based mostly in physical strenuosity or physical deftness, with the most important major competitions like the Olympic Games admitting solely meet this definition, and alternative organizations like the Council of Europe victimization definitions precluding activities while not a physical component from classification as sports. However, variety of competitive, however non-physical, activities claim recognition as mind sports. The International Olympic Committee (through ARISF) acknowledges each chess and bridge as factual sports, and SportAccord, the international sports federation association, acknowledges 5 non-physical sports, though limits the quantity of mind games which might be admitted as sports.

Sports square measure sometimes ruled by a group of rules or customs, that serve to make sure honest competition, and permit consistent assessment of the winner. Winning are often determined by physical events like evaluation goals or crossing a line 1st, or by the determination of judges UN agency square measure evaluation parts of the sporting performance, as well as objective or subjective measures like technical performance or creative impression.

In organized sport, records of performance square measure typically unbroken, and for standard sports, this data is also wide declared or reported  in sport news. additionally, sport may be a major supply of amusement for non-participants, with spectator sports drawing massive crowds to venues, and reaching wider audiences through sports broadcasting.

Uru: Ages Beyond Myst

Uru: Ages Beyond Myst is associate journey game developed by Cyan Worlds and printed by Ubisoft. free in 2003, the title is that the fourth game within the Myst canon. outbound from previous games of the franchise, Uru takes place within the epoch and permits players to customise their onscreen avatars. Players use their avatars to explore the abandoned town of associate ancient race called the D'ni, uncover story clues and solve puzzles.

Cyan began developing Uru shortly once finishing Riven in 1997, deed future Myst sequels to be made by third party developers. Uru needed 5 years and $12 million to complete. Uru was ab initio planned as a multiplayer game; the single-player portion was free, however the multiplayer part, Uru Live, was delayed and eventually canceled. the web game service GameTap free the multiplayer portion of Uru as Myst Online: Uru board Feb 2007, however the service was canceled once more the subsequent year attributable to an absence of subscribers. GameTap passed the rights to Uru Live back to Cyan, WHO re-launched the sport without charge in 2010.

Uru wasn't similarly received as previous Myst titles. Critics loved the visuals and new options of the sport however criticized the dearth of multiplayer within the retail version and unwieldy controls. Uru sold  poorly, whereas the primary 3 games had sold  several copies every. the sport was a essential and business disappointment for Cyan, inflicting the corporate monetary troubles; still, it's attracted a cult following.

Television

Television is a compound world. It comes from the Latin word 'tele' and 'vision'. 'Tele' means distance and 'vision' means to see. So the world television means  seeing from distance. Television is an instrument which sends pictures to distant places.It is one of the wonders of modern science.

Papul Nepkow, a German scientist at first thought of sending image to a distant place. Later, on the basis of this experiment television was invented. A British scientist, John Bayard at first invented television in 1925.

 Television is powerful mass-media. It enables us to see and hearing something which is happening hundreds of miles away. It has a significant role in the following sectors.

The broadcast telecom system is usually disseminated via radio transmissions on selected channels within the 54–890 megacycle waveband.Signals area unit currently typically transmitted with stereo or surround sound in several countries. till the 2000s, broadcast TV programs were typically transmitted as AN analog tv signal however throughout the last decade many countries went nearly completely digital.

A standard television contains multiple internal electronic circuits, as well as those for receiving and decryption broadcast signals. a visible show device that lacks a tuner is correctly known as a video monitor, instead of a tv. A telecom system might use totally different technical standards like digital tv (DTV) and telecasting (HDTV) .

TV stems also are used for police work, process management, and guiding of weapons, in places wherever direct observation is troublesome or dangerous. Some studies have found a link between infancy exposure to TV and minimal brain dysfunction.