MMW 12 Lecture Notes - Lecture 20: Chain Drive, Rodent, Flamethrower

• School: UCSD
• Department: Making of the Modern World
• Course: MMW 12
• Professor: Janet Smarr

Document Summary

Sung china (11th-12th) : europe in 17th c. Believe there is a natural order to things. Optimism re possibility of improving society through knowledge and invention. Buddhism is still existing but no longer emphasized. Because the focus is not on improving the world, and more about escape, it is useless. Models and techniques for handicrafts (catalogs of collections) Libraries = secular, not buddhist libraries in temples. Sung are the first to do this - redeemable for gold or silver. Idea came from muslim merchants who came up with the idea of an iou . Muslim merchants did not want to carry heavy bags. 11th c - 1st official govt-printed bank notes. Casting techniques for mass producing iron objects. Cheap available iron plows -> more food. Public health techniques: waste management and rodent control. Magnetic compass small enough to use on ships. Kell and pivoting sail for sailing ships sea trade. Allows ships to sail into the wind (by zig zagging)