Zhang Heng
Zhang Heng (Cheenese: 張衡; AD 78–139), umwhile romanised as Chang Heng, wis a Han Cheenese polymath frae Nanyang that bed in the Han dynasty.
Zhang Heng | |
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 A stamp o Zhang Heng issued bi China Post in 1955 | |
| Native name | 張衡 |
| Born | AD 78 Nanyang, Cheenae |
| Dee'd | AD 139 (aged 60–61) Luoyang, Cheenae |
| Kent for | Seismometer, hydraulic-powered armillary sphere, pi calculation, poetry, universe model, lunar eclipse an solar eclipse theory |
| Scientific career | |
| Fields | Astronomy, mathematics, seismology, hydraulics, geografie, ethnografie, mechanical ingineerin, calendrical science, metapheesics, poetry |
| Zhang Heng | |||||||||||||||||||||||||||||||||||||
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.svg) "Zhang Heng" in Tradeetional (tap) an Semplifee'd (bottom) Cheenese chairacters | |||||||||||||||||||||||||||||||||||||
| Traditional Chinese | 張衡 | ||||||||||||||||||||||||||||||||||||
| Simplified Chinese | 张衡 | ||||||||||||||||||||||||||||||||||||
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