Looking for something to read? Sorry, I'm running a mass to field calibration so that my isotopes appear at the correct apparent mass for tomorrow's visitor. I can't entertain you this evening. But if you're thinking you might want to do something vaguely useful to society, and you know something about geology (and I know a lot of y'all do), head over to Wikipedia's WikiProject Geology and see if you can apply your expertise to educating the world. It will be far more interesting than determining that mass 238.051 amu is centered in the detector when the magnet has a field value of 2219.269 gauss. Trust me. I'm thrilled because I'm starting at the top of the table and working down.