Get personalized answers to your specific questions with IDNLearn.com. Get the information you need from our community of experts who provide accurate and thorough answers to all your questions.
Answer:
Seismometer
Explanation:
The Han dynasty was established by Liu Bang a rebel and ruled by the house of Liu. This lasted from 202 BC - 220 AD, and it was the second imperial dynasty of China.
The seismometer was created by Zhang Heng a Chinese astronomer in the year 132 AD. This device can detect the ground's movement during an earthquake, showing the direction of the earthquake no matter the distance.