by Yavuz Unat Published on: 10th December 2019

by Yavuz Unat Published on: 28th September 2019

Generally, it is possible to study the development of astronomy in the Ottomans in three periods; The astronomy from the establishment of Ottomans to Ali Qushji’s arrival in the Ottomans (1299-1472); The astronomy from Ali…

by Yavuz Unat Published on: 25th February 2008

In this article, Professor Yavuz Unat, a known historian of science from Ankara University, draws a general survey on al-Jazari and his treatise. He describes some of his machines and points out the numerous technological…

by Yavuz Unat Published on: 29th January 2007

Al-Farghânî, known in the West as Alfraganus , was one of the most famous astronomers of the 9th century. His book, Elements of Astronomy, written in 833 CE remained as the most popular text book…