Source: Neatorama
How do you replicate an ancient item that has been no surviving remnants or illustrations to work from? Historical descriptions and texts have given clues to replicate an ancient seismoscope invented by Zhang Heng.
Zhang Heng lived in China during the Han dynasty, and history remembers him as a scholar in many fields. He dabbled in astronomy, mathematics, science, engineering, cartography and poetry, among other fields of study and artistic pursuits. He served as a government official for much of his adult life, and was invited to the imperial court in his mid-30s by Emperor…
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