UFC Shanghai: Exciting Main Card Results
A recap of the thrilling main card fights and post-fight interviews at UFC Shanghai.
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About Zhang
Zhang Heng (AD 78–139) was a prominent Chinese mathematician, astronomer, inventor, and poet during the Eastern Han dynasty. Born in Nan-yang, China, he held several official positions at the imperial court, ultimately serving as chief astrologer and minister under Emperor An'ti. Known for his strong ethical principles rooted in Confucianism, Zhang often declined promotions to focus on scholarly pursuits. His key scientific achievements include inventing the world's first seismoscope in 132 AD, an instrument that detected earthquakes and indicated their direction up to hundreds of kilometers away—a crucial innovation in a society that interpreted earthquakes as signs of governance failure. Zhang also created the first water-powered armillary sphere to enhance astronomical observations and improved the inflow water clock. He compiled an extensive star catalog documenting about 2,500 stars, surpassing later records, and advanced Chinese calculations of pi. Zhang contributed significantly to the understanding of lunar and solar phenomena, theorizing about the Moon’s spherical shape, its illumination by the Sun, and the nature of eclipses. His cartographic work introduced rectangular grid systems in Chinese map-making, and he designed devices such as an odometer that used drums and gongs to signal distance traveled. Beyond science, Zhang was a renowned literary figure, composing influential *fu* rhapsodies and poetry studied by subsequent generations. His deep engagement with classical texts and philosophy enriched his literary output. Zhang Heng’s legacy is enduring; modern scholars compare his astronomical work to that of Ptolemy. His innovations in science, engineering, and literature have earned him posthumous honors, and he remains a celebrated figure in Chinese history for his comprehensive contributions to multiple fields[1][2][3][4][6].
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