Pictures Of Funny Animals Biography
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Meanwhile in the medieval Islamic civilization (c. AD 750 to 1258), biographies began to be produced on a large scale with the advent of paper, beginning with the Prophetic biography tradition. This led to the introduction of a new literary genre: the biographical dictionary. The first biographical dictionaries were written in the Muslim world from the 9th century onwards. They contain more social data for a large segment of the population than that found in any other pre-industrial society. The earliest biographical dictionaries initially focused on the lives of the prophets of Islam and their companions, with one of the earliest examples being The Book of The Major Classes by Ibn Sa'd al-Baghdadi, and then began documenting the lives of many other historical figures (from rulers to scholars) who lived in the medieval Islamic world.[2]
By the late Middle Ages, biographies became less church-oriented in Europe as biographies of kings, knights and tyrants began to appear. The most famous of these such biographies was Le Morte d'Arthur by Sir Thomas Malory. The book was an account of the life of the fabled King Arthur and his Knights of the Round Table. Following Malory, the new emphasis on humanism during the Renaissance promoted a focus on secular subjects such as artists and poets, and encouraged writing in the vernacular. Giorgio Vasari's Lives of the Artists (1550) was a landmark biography focusing on secular lives. Vasari made celebrities of his subjects, as the Lives became an early "bestseller". Two other developments are noteworthy: the development of the printing press in the 15th century and the gradual increase in literacy. Biographies in the English language began appearing during the reign of Henry VIII. John Foxe's Acts and Monuments (1563), better known as Foxe's Book of Martyrs, was essentially the first dictionary of biography in Europe, followed by Thomas Fuller's The History of the Worthies of England (1662), with a distinct focus on public life. Influential in shaping popular conceptions of pirates, A General History of the Pyrates (1724) is the prime source for the biographies of many well-known pirates.
'Wallpaper groups categorize patterns by their symmetries. Subtle differences may place similar patterns in different groups, while patterns that are very different in style, color, scale or orientation may belong to the same group.
A symmetry of a pattern is, loosely speaking, a way of transforming the pattern so that the pattern looks exactly the same after the transformation. For example, translational symmetry is present when the pattern can be translated (shifted) some finite distance and appear unchanged. Think of shifting a set of vertical stripes horizontally by one stripe. The pattern is unchanged. Strictly speaking, a true symmetry only exists in patterns that repeat exactly and continue indefinitely. A set of only, say, five stripes does not have translational symmetry — when shifted, the stripe on one end "disappears" and a new stripe is "added" at the other end. In practice, however, classification is applied to finite patterns, and small imperfections may be ignored.
Sometimes two categorizations are meaningful, one based on shapes alone and one also including colors. When colors are ignored there may be more symmetry. In black and white there are also 17 wallpaper groups; e.g., a colored tiling is equivalent with one in black and white with the colors coded radially in a circularly symmetric "bar code" in the centre of mass of each tile.
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