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1 ene 132 año - The Ancient Chinese created the Earthquake detector

Descripción:

It was created in the Han Dynasty by the excellent inventor Zhang Heng in Ancient China. It actually had a really big impact on society because it could detect Earthquakes so humans can take protection in advance.

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Ancient China Timeline

ByDeepayan C
19 nov 2018
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fecha:

1 ene 132 año
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~ 1895 years ago
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