Monday, March 4, 2013

http://stardrive.org/stardrive/index.php/blog/notes-for-my-star-ship-book-march-4-2013.html

Friday, March 1, 2013

http://stardrive.org/stardrive/index.php/blog/a-new-paper-by-m-devin-on-time-machines-to-the-past.html