File this under science-geek porn: A methane rocket that generates 7,500 pounds of thrust! Why methane? It's readily available on the planets NASA wants to explore.
Editorial note: Whoa! You've found a super-old post here on BuzzFeed, from an earlier era of the site. It doesn't really represent where we are anymore, and may in fact be totally broken, but we're leaving it up as a part of our early history.