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And probably the most boring. But then again, when I told that to my students and had them give me feedback, most said that if you followed along with what the presenter (a professor emeritus of Physics at Univ of Colorado-Boulder) is saying, it's quite easy to pay attention, because it is so compelling.
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Watch the highlights where Team TrueZer0 competes with Armadillo Aerospace for Level 1 of the Northrop Grumman Lunar Lander Challenge, hosted by the X PRIZE Foundation, at Las Cruces International Airport, New Mexico on October 24, 2008.