to predict earthquakes so far wr we have been mostly b unsucces unsuccessful.shipment delay or discarded just because there's other things wet can do. it occurred on the anniversary of the 1985 earthquake that killed thousands and thousands of people. after that happened in mexico the nation instituted a national railhe system where every year n the anniversary they undertake a major drill. everybody pretends it is happening and they practice what to do so in the hours prior, mexicans were practicing what to do. they knew what to do. they also instituted after the earthquake first early warning system in the history of the planet. i spent some time at the university of california berkeley which is developing what we hope will be the first national early warning system and we practiced. if you think about it, in 30 seconds you can grab a go bag or grab your infant daughter and get under a table, you can stop a train from entering the tunnel, diverse a plane that's about to land, have kids in a classroom take cover under a desk, and those sort of things can be th