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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'>>…</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:windowtext'> <b>On Behalf Of </b>Anders Sandberg<br><b>Subject:</b> Re: [ExI] Gaian Bottleneck<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On 2016-01-25 21:44, spike wrote:<br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>>>… If the notion I suggested is correct, that any MBrain would by thermodynamic necessity reflect low entropy energy in a specific direction away from us, it would appear as an anomalous lack of IR radiation. I haven’t been able to prove it, but the original notion was the discovery that an MBrain would overheat eventually, unless the most of the energy is reflected, and it has to all be in mostly one direction. </span><o:p></o:p></p></blockquote><p class=MsoNormal><br><span style='color:#1F497D'>>…</span>OK, I'll look into it later. Eric D and me may have some proper research time for working out megascale engineering later this spring. Thanks for the breadcrumb trail. --<span style='color:#1F497D'> </span>Anders Sandberg<o:p></o:p></p><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Oh wait, no way. I post an idea, which results in Anders Sandberg and Eric Drexler looking into it. Whoa! Anders, I am in awe of myself! Thanks man. You made my day. <o:p></o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Do pass along to Eric D my greetings and that I haven’t forgotten that he is the guy who may have saved my life on 8 August 1999. See if he remembers that time or even what he and Christine did that day. I am pretty sure it had a much bigger impact on me than it did on him. {8^D<o:p></o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Here’s what I think I discovered: you can go with an enthalpy approach, or an entropy approach, and get a lower limit to the amount of reflected energy (one approach is conservation of energy based and the other is conservation of momentum based.) Of course it could all be wrong. It would be cool to propose it to some Matlab-enabled engineering and physics students.<o:p></o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></pre><pre><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>spike<o:p></o:p></span></pre></div></body></html>