The term seismograph usually refers to the combined seismometer and recording device. The first known earthquake detector was invented in 132 A.D. by the Chinese astronomer and mathematician Chang ...
From the idea that there may be some relationship with these two things, this experimental earthquake detector was born ... this device and talks about the first version (built way back ...
First, it supposedly ... back real-time data as an earthquake happens — something we saw last year using Raspberry Pi. That project used a Geophone as the detector, which could be replaced ...