Bostrom, N., How Unlikely is a Doomsday Catastrophe? Nature, Vol. 438, No. 7069 (2005): p. 754 + supplementary materials (w/ Max Tegmark) Posted on 16 December 201516 December 2015 http://arxiv.org/pdf/astro-ph/0512204v2.pdf Posted in Uncategorised. Share on Facebook | Share on Twitter