SIOUX CITY (KTIV) - Gather your supplies! In this episode we will use everyday materials to build a homemade seismograph. Seismographs measure the magnitude of earthquakes. Submit photos or videos of ...
Was that a tremor you just felt? You don’t have to be a seismologist to answer that question — not if you have the Raspberry Shake, that is. Branded as a “professional-grade personal seismograph” that ...
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