<div dir="auto">Jason I am on a phone with very limited bandwidth (in the Sierras) otherwise I would trim out most of the discussion for clarity <div dir="auto"><br></div><div dir="auto">I may revisit the thermal models I was working ten yrs ago with more modern software tools, or others can take it up. My focus was on Roberts notion of stacking nodes on concentric orbits, his m brain idea. The waste heat from the inner nodes heats the outer nodes and reflected radiation from the outer nodes eventually overheats the inner nodes.</div><div dir="auto"><br></div><div dir="auto">Kardashevs notion fails to the second law of thermodynamics.</div><div dir="auto"><br></div><div dir="auto">I wouldn't be surprised if studies and papers have dealt with this while I was working other matters.</div><div dir="auto"><br></div><div dir="auto">Aside, note how difficult it has become to write an email without Internet access. I have nothing profound to say while camping. </div><div dir="auto"><br></div><div dir="auto">spike</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Sat, Jul 11, 2026, 3:42 AM Jason Resch via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org" target="_blank" rel="noreferrer">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div><br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jul 8, 2026, 2:06 PM spike jones via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org" rel="noreferrer noreferrer" target="_blank">extropy-chat@lists.extropy.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple" style="word-wrap:break-word"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></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">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> <a href="mailto:spike@rainier66.com" rel="noreferrer noreferrer noreferrer" target="_blank">spike@rainier66.com</a> <<a href="mailto:spike@rainier66.com" rel="noreferrer noreferrer noreferrer" target="_blank">spike@rainier66.com</a>> <br><b>…</b></span><u></u><u></u></p></div></div><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">>…Hal took the idea and ran with it (a very Halish thing to do.) He was the guy smart enough to figure out how to create a blockchain system for it, enabling a person to own a number…<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">We discussed a blockchain system where anyone could own any number (on that particular blockchain.) Imagine the value of owning 0 and 1. Of course it would carry no special privilege other than owning one or owning nothing on a particular blockchain. My notion is that the value of a number is the product of the scarcity of the number and the prominence of the blockchain which establishes the ownership of that number.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">In the case of BitCoin, the prominence of that blockchain is enormous, in contrast to competing cryptocurrencies such as DogeCoin.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Hal was not only god, he was the real humility champion of the world. Anyone who knew the man would agree methinks. He flattered the hell outta me, by treating me as his equal, both online and in person (at Extro3.) This of course caused me to get an overinflated view of myself, causing me to lose in the Humility Olympics, so it mighta just been part of his sneaky game strategy. Oh I miss the hell outta that guy.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">>…I don’t know if he invented it himself, but somebody (I think it was Hal) figured out how to make a hash function with a limited number of solutions, each one of which requires more compute cycles to find…<u></u><u></u></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Oh how I wish someone who knows the real answer would explain what happened down there in the LA basin in 2008. Does anyone here have any insight on that?</span></p></div></div></blockquote></div></div><div dir="auto"><br></div><div dir="auto">The idea of using a hash function in a proof of work system goes back to 1997:</div><div dir="auto"><br></div><div dir="auto"><a href="https://en.wikipedia.org/wiki/Hashcash" rel="noreferrer noreferrer" target="_blank">https://en.wikipedia.org/wiki/Hashcash</a></div><div dir="auto"><br></div><div dir="auto">As for what happened in 2008, however, I have no special insight. Though I would say the creation of Bitcoin involved the combination of so many disparate ideas that the suggestion of a small group, a meeting, or a discussion list, being necessary to put all the pieces together is compelling.</div><div dir="auto"><br></div><div dir="auto"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-US" link="blue" vlink="purple" style="word-wrap:break-word"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">Regarding Gemini’s crediting me with orbit mechanics stuff, the only notion I will claim of any importance is the insight that a Bradburyan M-Brain would overheat, and that it would help (some) if the energy was directed, making the star into a (very slow) photon rocket. Robert himself never accepted either idea, no matter how many equations I showed him. I miss that guy too.</span></p></div></div></blockquote></div></div><div dir="auto">Wouldn't any directed beam still leave energy on the table available to exploit?</div><div dir="auto"><br></div><div dir="auto">Jason</div></div>
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