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1 gen 132 anni - The Ancient Chinese created the Earthquake detector

Descrizione:

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.

Aggiunto al nastro di tempo:

Ancient China Timeline

ByDeepayan C
19 nov 2018

Data:

1 gen 132 anni
Adesso
~ 1893 years ago
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