Source: C.A. Smith, R.D. Belles, and A.J. Simon. March 2011. Estimated International Energy Flows 2007 (3.9MB PDF). Lawrence Livermore National Laboratory.
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Science, software engineering, information visualization, computational knowledge discovery, Open data/Open science, maps & mapping, library & scientific publishing stuff, random thoughts, open standards, Free/Open Source Software ramblings....hmm, probably too many things for one blog... :-(