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jan 1, 132 - The Ancient Chinese created the Earthquake detector

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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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Date:

jan 1, 132
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~ 1895 years ago
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