Why @elonmusk's Mars colony plan won't work:
http://unenumerated.blogspot.com.tr/2009/04/polynesians-vs-adam-smith.html …
What will:
http://lifeboat.com/blog/2007/01/nick-szabos-chemical-microreactors …
http://unenumerated.blogspot.com/2006/04/water-from-comet.html …
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Replying to @AndrokLee
@CryptXO @elonmusk Zubrin's propellant mfg. on Mars great for Mars shuttle, but for interplanetary, mining Ceres --> ice rockets far better.
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