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Medieval Islamic geography and cartography refer to the study of geography and cartography in the Muslim world during the Islamic Golden Age (variously dated between the 8th century and 16th century). Muslim scholars made advances to the map-making traditions of earlier cultures, [ 1] explorers and merchants learned in their travels across the ...
The Tusi couple, a mathematical device invented by the Persian polymath Nasir al-Din Tusi to model the not perfectly circular motions of the planets. Science in the medieval Islamic world was the science developed and practised during the Islamic Golden Age under the Abbasid Caliphate of Baghdad, the Umayyads of Córdoba, the Abbadids of Seville, the Samanids, the Ziyarids and the Buyids in ...
Islamic world contributions to Medieval Europe. A Christian and a Muslim playing chess, illustration from the Book of Games of Alfonso X (c. 1285). [ 1] During the High Middle Ages, the Islamic world was at its cultural peak, supplying information and ideas to Europe, via Al-Andalus, Sicily and the Crusader kingdoms in the Levant.
Al-Biruni. Abu Rayhan Muhammad ibn Ahmad al-Biruni / ælbɪˈruːni / ( Persian: ابوریحان بیرونی; Arabic: أبو الريحان البيروني; 973 – after 1050), [ 5] known as al-Biruni, was a Khwarazmian Iranian scholar and polymath during the Islamic Golden Age. He has been called variously "Father of Comparative Religion ...
The spread of Islam spans almost 1,400 years. The early Muslim conquests that occurred following the death of Muhammad in 632 CE led to the creation of the caliphates, expanding over a vast geographical area; conversion to Islam was boosted by Arab Muslim forces expanding over vast territories and building imperial structures over time. [ 1][ 2 ...
Postal rates to 1847. Initial United States postage rates were set by Congress as part of the Postal Service Act signed into law by President George Washington on February 20, 1792. The postal rate varied according to "distance zone", the distance a letter was to be carried from the post office where it entered the mail to its final destination.
During the twentieth century, the Islamic world introduction to modern science was facilitated by the expansion of educational systems. For example, in 1900 and 1925, Istanbul and Cairo opened universities. In these universities, new concerns have emerged among the students.
The medieval Islamic world underwent significant developments in mathematics. Muhammad ibn Musa al-Khwārizmī played a key role in this transformation, introducing algebra as a distinct field in the 9th century. Al-Khwārizmī 's approach, departing from earlier arithmetical traditions, laid the groundwork for the arithmetization of algebra ...