My favorite back of the napkin math about the practical reality of interstellar space travel, from cstross: https://www.antipope.org/charlie/blog-static/2007/0

My favorite back of the napkin math about the practical reality of interstellar space travel, from cstross: https://www.antipope.org/charlie/blog-static/2007/06/the_high_frontier_redux.html https://www.antipope.org/charlie/blog-static/2007/06/the_hig...