A radical re-think of the approach to space exploration: electromagnetic launch & propulsion technology instead of chemical reactions.
http://www.rawstory.com/rs/2012/12/04/china-prepares-to-grow-vegetables-on-mars/?utm_source=Raw+Story+Daily+Update&utm_campaign=bdc4f7bdde-12_4_1212_4_2012&utm_medium=email
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