Created almost 2000 years ago, the Houfeng Didong Yi holds the honor of being the world’s first seismoscope. Its place of origin was China, a country that has been plagued by earthquakes for as long as its inhabitants can remember. Its creator was Zhang Heng, a distinguished astronomer, cartographer, mathematician, poet, painter, and inventor who lived under the Han Dynasty from 78 to 139 AD.
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These astounding inventions show that civilizations of the past were a lot more advanced than we might have thought.
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