Baghdad became the new capital of the Caliphate under the Abbasid's and thus became the intellectual capital as well.
*Astronomical observitories in Baghdad included one at the famous "House of Wisdom" and the second in the Shammasiya section of the Tigris river.
*Astronomer al-khwarizmi (850) is the father of the Algorythm which the name comes from his name.

Mamun-
The Abbasid Caliph responsible for creating the "House of Wisdom" in Baghdad that become a science, astronomy, philosophy, religous and cultural center of the Arab world.
*He was also responsible for the translation of greek words into arabic and this allowed an influx of new information gathered from the hellenistic, roman, european, chinease, and Byzantine civilizations to be translated as well.

The diffrent technologies that were founded under the Abbasid Caliphate:
1) Paper Making: the muslim's advanced the Chinease paper making technology and developed paper and pulp mills as well as saw mills.
2) Industrial advances: Hydro power, wind power, and fossil fuels such as petroleum.
3) Pharmaceuticals, astronomical instraments, glass, clocks, agra-business advances such as the windmill, and the mining of lead, sulfer, and iron.

Matthew Morton