HST 786 Lecture Notes - Islamic Calendar, Dhimmi, Abbasid Caliphate
Document Summary
From beginning of islam of islam to 1600. Map of the islamic world, europe was not discovered yet, neither was africa. After that things were pretty much changed. Greek was translated to arabic, but scholars did more than just translate, they also contributed. Muslims started using paper , which was new, it originated from china, and it was cheap. Because they used papyrus, used a lot of water & made of plant. Parchment was also used ( under skin of animals) The suitable animal was baby sheep, calf, but they were small, if you wanted to a book, would be very expensive. Map with the river nile, the arabic maps were upside down, because in those days with self-facing up. He did something revolutionary, that eyes did not process the image, but the brain! He argued that the eye was only optical. He wondered if we were sending signals to the object, or the object sending signal to us.