ancient china, armillary sphere, astronomer, chinese inventions, inventor, poet, seismograph, zhang heng

Zhang Heng’s Famous Chinese Inventions

Zhang Heng (A.D. 78-139) was a Chinese astronomer, mathematician, inventor, geographer, cartographer, artist, poet, statesman, and literary scholar from Nanyang, Henan Province, China. He is noted for many ancient Chinese inventions. He was well-versed in the fields of mechanics and gears, and applied his extensive knowledge in several of his ancient Chinese inventions, such as the world’s first water-powered armillary ...