from the heart-of-the-matter dept.
iandoh writes "Cool research: Geologists at Stanford University and the US Geological Survey have drilled a 2.5 mile deep borehole into the San Andreas fault. They've extracted over one ton of rock from 2 miles down, and they'll be installing sensors down the length of the borehole."
This process can check if this value is zero, and if it is, it does
-- Forbes Burkowski, CS 454, University of Washington