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How was the seismograph used in ancient china?
Scientists think the mechanism inside the device was a type of pendulum system that was very sensitive to vibrations. When an earthquake happened, an observer could tell which direction it came from because the mouth of the dragon facing that way would open and drop the ball into the mouth of the toad below.
who was the seimograph invented by ?
is the device still in use today?
Chang Heng, an astronomer in the Han dynasty invented the seimograph.
yes, They are installed in the ground throughout the world
How could the seimograph be improved further?
by stela
Siencitists found that placing instruments in deep mines below the surface or in deep boreholes could significantly reduce the background noise levels, enabling for better transient event detection.
How does the seismograph work?
A seismograph is securely put onto the surface of the earth so that when the earth shakes the entire unit shakes with it, except for the mass on the spring which stays the same unless the earth has moved and remains in the same place.
what is the siesmograph used for?
the siesmograph was used for recording recording the ground waves produced by earthquakes.
How did it make life in china better?
scientists could map the earth's interior and could measure / locate earthquakes. because of these devastating quakes. the detection device helped the emperor know when and where to send a warning from the capital.
how is the detector used today?
Seismometers allow us to detect and measure earthquakes by converting vibrations from seismic waves into electrical signals, which is displayed seismograms on a computer screen.