a trip to a closest star -- Charlie's Diary: The High Frontier, Redux
http://www.antipope.org/charlie/blog-static/2007/06/the_high_frontier_redux.html an explanation (with discussion) on what it would take to fly to a closest star
http://www.antipope.org/charlie/blog-static/2007/06/the_high_frontier_redux.html an explanation (with discussion) on what it would take to fly to a closest star