On Thu, Feb 28, 2008 at 8:49 AM, Carey Fisher wrote: > James Newton wrote: > > Wouter, I don't understand the difference between naturally occurring veins > > of radioactive ore being exposed by some natural or unnatural upheaval and > > that same sort of exposure happening to spent fuel rods. Fuel rods would have isotopes and elements that don't occur in nature. Still, the hot stuff decays fast, and the cool stuff is well... cool. Interestingly, humans didn't invent nuclear waste either. http://www.ocrwm.doe.gov/factsheets/doeymp0010.shtml -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist