A radical re-think of the approach to space exploration: electromagnetic launch & propulsion technology instead of chemical reactions.
http://www.theguardian.com/science/2015/sep/28/nasa-scientists-find-evidence-flowing-water-mars
http://blogs.discovermagazine.com/crux/2015/03/10/ion-engine-dawn-ceres/#.VgOVwcvn_qA
https://bruceleeeowe.wordpress.com/2010/08/25/ion-thruster-could-be-the-only-hope-for-interstellar-travel/
