'The lifebox, the seashell and the soul' by Rudy Rucker. http://www.rudyrucker.com/lifebox/ http://www.rudyrucker.com/lifebox/ It has the same sort of feel as

'The lifebox, the seashell and the soul' by Rudy Rucker. http://www.rudyrucker.com/lifebox/ http://www.rudyrucker.com/lifebox/ It has the same sort of feel as GEB, he riffs about cellular automata etc, its not too demanding while still giving enough to meditate on for a few days.