Cellular automata model of the universe

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	Cellular automata model of the universe

turpak

7-28-2009 5:37 AM

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/768699d5-89cf-4935-bb26-94e04a7ee646/1F6550E3-0544-4E2E-90A7-74D3CABA7581/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.kurzweilai.net/articles/art0504.html?printable=1" href="http://www.kurzweilai.net/articles/art0504.html?printable=1" style="font-size: 11px;">www.kurzweilai.net</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.kurzweilai.net/articles/art0504.html?printable=1"><P>The game of <A class="thought" href="javascript:loadBrain('Life')">Life</A> is an example of a class of <A class="thought" href="javascript:loadBrain('Computation')">computation</A>s that 
              interested Feynman called [cellular automata]. Like many physicists 
              who had spent their lives going to successively lower and lower 
              levels of atomic detail, Feynman often wondered what was at the 
              bottom. One possible answer was a cellular automaton. The notion 
              is that the "continuum" might, at its lowest levels, be 
              discrete in both <A class="thought" href="javascript:loadBrain('Space')">space</A> and <A class="thought" href="javascript:loadBrain('Time')">time</A>, and that the laws of <A class="thought" href="javascript:loadBrain('Physics')">physics</A> might 
              simply be a macro-consequence of the average behavior of tiny cells. 
              Each <A class="thought" href="javascript:loadBrain('Cell')">cell</A> could be a simple automaton that obeys a small <A class="thought" href="javascript:loadBrain('Single Electron Transfer (SET)')">set</A> of 
              rules and communicates only with its nearest neighbors, like the 
              lattice calculation for QCD. If the <A class="thought" href="javascript:loadBrain('Universe')">universe</A> in fact worked this 
              way, then it presumably would have testable consequences, such as 
              an upper limit on the density of <A class="thought" href="javascript:loadBrain('Information')">information</A> per cubic meter of 
              <A class="thought" href="javascript:loadBrain('Space')">space</A>. </P></blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/1F6550E3-0544-4E2E-90A7-74D3CABA7581/blog/" title="blog or email this clip"><img src="http://content8.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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