ID 116550710 © Nokblacksheep | Megapixl.com
Sharing is not just caring, it's also about giving credit - add this image to your page and give credit to the talented photographer who captured it.:
abstract amplitude audio background chart curve diagram digital display earthquake education frequency graph graphic grid illustration level oscilloscope paper pulse quake radio record richter scale science seismic seismogram seismograph seismometer sound stereo technology vector vibration wave waveform