GGR100H1 Lecture 9: GGR101-Lecture 9

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7 May 2016
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The medieval world and the little ice age. Replacement of human effort with mechanical effort. Clocks: ability to tell time, manage it, etc, sundials, ancient water clocks, mechanical clocks. Gunpowder: first invented in china, 9th c ad, used for fireworks, later as weapons, made up of charcoal, potassium nitrate, sulphur, brought to europe via the silk road (commodities moved from china to. Beginning with the han dynasty: 200 bc. Baghdad (modern iraq) key node: 800 ad. Ottomans deny china trade with europe (15th century) People could hold up against archers and projectiles, but once people started to fire canons at these walls, it was over. Screw press used during production of olive oil. Allowed things to be pressed down to make copies. Moveable type single object to represent a font that can be placed within a frame. Printed more for religious purposes (i. e. the bible) After the invention of the printing press allowed for easier production of books.

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