On Sun, Jul 13, 2008 at 5:15 PM, spike <<a href="mailto:spike66@att.net">spike66@att.net</a>> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
My challenge to you ExI-chatsters: define in your own words a Matrioshka<br>
Brain. Do not quote Robert, but feel free to refer to his work. Extra<br>
points for using fewer words, but describe as completely as you are able.<br>
</blockquote></div><br>Matrioshka Brains are like onions.... Onions have layers.<br><br>(I'd wager that those who can follow past this point are already familiar with the key concepts and require little more explanation, and the rest won't understand it no matter how succinct or clever the description)<br>