6 glasses partial
History of the world in 6 glasses, spirits: Cordoba was capital of Arab Andalusia, and had a ginormous library.Arabs advance in astronomy, mathematics, medicine, and philosophy, and invent astrolabe, algebra, and modern numeral system, herbs as anesthetics, navigation based on the compass, trigonometry, and nautical maps. Also refined and popularized distillation. Distillation began in 4th millennium BC in northern Mesopotamia, and was used for perfumes. Distillation applied to wine by Arab Jabir ibn Hayyan, father of chemistry. Distillation makes wine stronger due to lower boiling point of alchohol than water. Rectification is repeated distillation