HUM 001B Lecture Notes - Lecture 13: Islamic Calendar, Spherical Geometry, Islamic Literature
Document Summary
Lecture 13: islamic art, literature and science: describe the creation of the new mosques and what were their effects on education and inventions. Importance of the qibla wall ( a wall in every mosque that faces mecca) Roman numeral system did not allow for a systematic method. Jabr (where we get algebra) wa al-muquabala: was revered by latin people; algorithm from latin version of his name, al-biruni, was a sapien, or star worshipper. 7 volume work of how light works; how sunlight comes and reflects: work on optics influences european in art and optics, omar khayyam. Built a huge observatory; the islamic world was worried about the current calendar, as the length of the year was miscalculated by. A line in the quran says the year is 12 months long: calculated that a year is 365. 21098 days; only off by 6th decimal, new islamic calendar; important for timing of ramadan, manuscript on conic sections.
