It was the end of the week and night had come. After the Martial Scholars had all retired into their rooms and studies, Tian Qiu the polymath quietly made his way deep down into the Hall of Knowledge and Records— a large library and study where copied documents and original manuscripts of the Middle Kingdom’s histories, known sciences, collected philosophies, and treatises on many subjects could be found. The hall had a hundred shelves of tomes and scrolls, and displayed a collection of great inventions from the geniuses and polymaths of history whom Tian Qiu greatly admired. Knowledge and technology lost to the dynasty in which it was learned had finally found its home in the Academy. A great armillary sphere adorned one corner of the room. On the other corner stood Bi Sheng’s Moveable Ty
