Posts Tagged: "Gragraph"


Gragraph: A Home Earthquake Seismograph


I’m fairly confident that California is due to for the ‘big one’.   Yes, that’s a bit apocalyptic of me, but a bunch of dudes with protractors and white coats seem to think so too.  The Gragraph is Seismograph a Home Earthquake Seismograph and should warn you of impending quakes and...

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