Zhang Heng

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In many ancient societies, astronomicalobservations were used not only for the practical job of dete

Link #armillary #sphere #astronomy #technology #china #greek #ptolemy #zhang heng #middle ages

This ancient Chinese device can still be used to predict earthquakes with a high degree of accuracy,

Link #zhang heng #chang #invention #earthquakes #seismograph #seismoscope #detector #china #ancient

zhang heng

Link #nikola tesla #leonardo da vinci #sir isaac newton #zhang heng #nathaniel richards #howard stark #marvel

zhang heng

Link #nikola tesla #leonardo da vinci #sir isaac newton #zhang heng #nathaniel richards #howard stark #marvel

zhang heng

Link #nikola tesla #leonardo da vinci #sir isaac newton #zhang heng #nathaniel richards #howard stark #marvel

zhang heng

Link #nikola tesla #leonardo da vinci #sir isaac newton #zhang heng #nathaniel richards #howard stark #marvel

zhang heng

Link #nikola tesla #leonardo da vinci #sir isaac newton #zhang heng #nathaniel richards #howard stark #marvel

zhang heng

Link #nikola tesla #leonardo da vinci #sir isaac newton #zhang heng #nathaniel richards #howard stark #marvel