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The origin of the name "Damascus Steel" is contentious. Islamic scholars al-Kindi (full name Abu Ya'qub ibn Ishaq al-Kindi, circa 800 CE – 873 CE) and al-Biruni (full name Abu al-Rayhan Muhammad ibn Ahmad al-Biruni, circa 973 CE – 1048 CE) both wrote about swords and steel made for swords, based on their surface appearance, geographical location of production or forging, or the name of the ...
A figure-ground diagram is a two-dimensional map of an urban space that shows the relationship between built and unbuilt space. It is used in analysis of urban design and planning. It is akin to but not the same as a Nolli map which denotes public space both within and outside buildings and also akin to a block pattern diagram that records ...
Steel is an alloy of iron and carbon with improved strength and fracture resistance compared to other forms of iron. Because of its high tensile strength and low cost, steel is one of the most commonly manufactured materials in the world. Steel is used in buildings, as concrete reinforcing rods, in bridges, infrastructure, tools, ships, trains ...
The Rif Dimashq offensive (February–April 2018), code-named Operation Damascus Steel, was a military offensive launched by the Syrian Arab Army (SAA) in February 2018 in a bid to capture the rebel-held eastern Ghouta suburb during the Syrian Civil War. [9][33] East Ghouta, a pocket of towns and farms, had been under government siege since ...
Figure-ground contrast, in the context of map design, is a property of a map in which the map image can be partitioned into a single feature or type of feature that is considered as an object of attention (the figure ), with the remainder of the map being relegated to the background, outside the current focus of attention. [1]
Iron metallurgy may have been independently developed in the Nok culture between the 9th century BCE and 550 BCE. [ 5 ][ 6 ] The nearby Djenné-Djenno culture of the Niger Valley in Mali shows evidence of iron production from c. 250 BCE. The Bantu expansion spread the technology to Eastern and Southern Africa between 500 BCE and 400 CE, as ...
Islamic art is a part of Islamic culture and encompasses the visual arts produced since the 7th century CE by people who lived within territories inhabited or ruled by Muslim populations. [ 1 ] Referring to characteristic traditions across a wide range of lands, periods, and genres, Islamic art is a concept used first by Western art historians ...
The Citadel of Damascus (Arabic: قلعة دمشق, romanized: Qalʿat Dimašq) is a large medieval fortified palace and citadel in Damascus, Syria. It is part of the Ancient City of Damascus, which was listed as a UNESCO World Heritage Site in 1979. The location of the current citadel was first fortified in 1076 by the Turkman warlord Atsiz ...