Did Zhang Heng invented the seismograph?

Category: SCIENCE

Asked on 2020-10-26 20:33:46

Question viewed : #111

The answer

Pendulum World wrote on 26th of October 2020
Yes, he did.


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The story

seismometer is an instrument that responds to ground motions, such as caused by earthquakes, volcanic eruptions, and explosions. Seismometers are usually combined with a timing device and a recording device to form a seismograph. The output of such a device—formerly recorded on paper (see picture) or film, now recorded and processed digitally—is a seismogram. Such data is used to locate and characterize earthquakes, and to study the Earth's internal structure.


source text and image : https://en.wikipedia.org (*) Lines marked in red are not the truth.

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