Ray Kurzweil's book about GNR (Genetics-Nanotech-Robotics). The first 100 pages are very boring graphs about exponential returns, the last 100 pages are all notes, but somewhere in the middle 400 pages there's a great 200 page book struggling to get out. Certainly making me rethink my ideas about space and space exploration.
See my Seismic Shift essay/commentary for my take on Ray's ideas. Also read Charles Stross' Accelerando for an SF treatment of his ideas.
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