*The+Tang+Dynasty's+Science+and+Mathimatical+Contributions

Scientific and Mathematical Contributions __


 * Clockwork and Timekeeping:**

-in 725, Yi Xing invented worlds first clockwork escapement mechanism -rotated armillary sphere in representation of astronomical observations, powered by clockwork escapement mechanism, clepsydra clock and waterwheel -had mechanically timed belt that automatically struck every hour -had drum that was automatically struck every quarter hour -became well known through the country students attempting to pass imperial exam had to write essay on it


 * Mechanical Inventions:**

-mechanical wine server ......... -3 ft tall ......... -in shape of artificial mountain ......... -carved out of iron ......... - set upon a lacquered-wooden tortoise frame ......... - used hydraulic pump


 * Medicine:**

-675 Gaozong started a project to publish the first //medical book// with text and pictures - book included 833 medicines that could be taken from; stones, metals, minerals, animals, herbs,p lants, fruits, vegetables and cereal crops - had medical colleges - state examinations for doctors - publishing forensic manuals for physitians - Zhen Qian = first identified diabetes in writing ......... -patients with diabetes had excess sugar in urine -Sun Simiao = first to recognize that diabetic patients worsened with the consumption of alcohol and starch

(source: http://en.wikipedia.org/wiki/Tang_Dynasty#Science.2C_technology.2C_and_medicine)