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Zhang Heng (Chinese : 張 衡; AD 78–139), formerly romanized Chang Heng, was a Chinese polymathic scientist and statesman who lived during the Han dynasty. Educated in the capital cities of Luoyang and Chang'an, he achieved success as an astronomer, mathematician, seismologist, hydraulic engineer, inventor, geographer, cartographer ...
Zhang Heng (born 78 ce —died 139) was a Chinese mathematician, astronomer, and geographer. His seismoscope for registering earthquakes was apparently cylindrical in shape, with eight dragons’ heads arranged around its upper circumference, each with a ball in its mouth.
- The Editors of Encyclopaedia Britannica
Zhang Heng was a Chinese mathematician, astronomer and geographer. He became chief astrologer and minister under the Emperor An'ti of China.
Oct 1, 2024 · Zhang Heng devised a method to measure the distance between the Earth and the Moon. By observing lunar eclipses and utilizing trigonometry, Zhang Heng accurately calculated the distance between the Earth and the Moon, providing valuable insights into the vastness of the universe.
Sep 13, 2017 · Zhang Heng (78-139 AD) 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 .
- Ancient-Origins
Jan 19, 2017 · Thu 19 Jan 2017 — updated 9 Oct 2023. It was the mathematical genius of a brilliant engineer in first-century China that led to the creation of the first earthquake detector – and his reward? Payment in bread.
2 days ago · Zhang Heng was the first person in China to construct a rotating celestial globe and also the inventor of a primitive seismograph for measuring earthquakes and the inventor of the odometer, or "mileage cart".
