<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>I recall the phrase from Stephen Hawking's book:</div><div><a href="https://www.quora.com/Phrase-Origins-What-do-people-mean-when-they-say-its-turtles-all-the-way-down">https://www.quora.com/Phrase-Origins-What-do-people-mean-when-they-say-its-turtles-all-the-way-down</a><br><br>Andrew</div><div><br><div>Sent from my iPhone</div></div><div><br>On 11/10/2016, at 10:46 AM, Grant McLean <<a href="mailto:grant@mclean.net.nz">grant@mclean.net.nz</a>> wrote:<br><br></div><blockquote type="cite"><div><span>On Tue, 2016-10-11 at 10:09 +1300, Cliff Pratt wrote:</span><br><blockquote type="cite"><span>On 10/10/16 10:56, Douglas Bagnall wrote:</span><br></blockquote><blockquote type="cite"><blockquote type="cite"><span>On 10/10/16 09:30, Grant McLean wrote:</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>Steve's going to talk on "Fibonacci in Perl 6". I'm planning to reprise</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>my talk on solving problems using the "exact cover" algorithm - unless</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><blockquote type="cite"><span>everyone's already seen that.</span><br></blockquote></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Is that the thing with the turtles?</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>I have been thinking about that for years.</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span>Douglas</span><br></blockquote></blockquote><blockquote type="cite"><blockquote type="cite"><span></span><br></blockquote></blockquote><blockquote type="cite"><span>Turtles?</span><br></blockquote><span></span><br><span>The backstory is that our family had a puzzle which involved arranging a</span><br><span>set of tiles. Each tile had pictures of turtles on it and you needed to</span><br><span>arrange the tiles so that the head of a turtle on one tile matched the</span><br><span>tail of a turtle on the adjacent tile. The puzzle was fun for a while</span><br><span>but then I thought "why don't I just write a program to solve this?".</span><br><span>This talk covers the highs and lows of the journey that followed.</span><br><span></span><br><span>Cheers</span><br><span>Grant</span><br><span></span><br><span>_______________________________________________</span><br><span>Wellington-pm mailing list</span><br><span><a href="mailto:Wellington-pm@pm.org">Wellington-pm@pm.org</a></span><br><span><a href="http://mail.pm.org/mailman/listinfo/wellington-pm">http://mail.pm.org/mailman/listinfo/wellington-pm</a></span><br></div></blockquote></body></html>