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Whistle blower says non-human bodies recovered from crash
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<blockquote data-quote="Mustrum_Ridcully" data-source="post: 9086966" data-attributes="member: 710"><p>It's difficult to compare, but here is one paper:</p><p>[URL unfurl="true"]https://arxiv.org/ftp/cs/papers/0701/0701166.pdfa[/URL]</p><p><span style="font-size: 9px">(Edit: Linked a totally different article that I read earlier, interesting topic, but not for this discussion)</span></p><p></p><p>So, that's better 1 bit error per 2 GB, I think, but of course, can you maintain this at the scale of a cell? And once you go beyond that - there are additional "error correction" mechanisms for the multicellor organism - like cells being killed off for building the wrong proteins. Estimations are that a human body consists of around 37.2 Trillion cells. 37 * 10^12, and each has about 3 Billion nucleotide pairs. And our body keeps working for decades...</p><p></p><p>And of course, lots of hardware is not exactly "space-proof" - once exposed to cosmic or solar radiation, unprotected by our atmopshere, it tends to have worse error rates.</p><p></p><p>I really thing realistic "Von Neumann" machines is really just organic life. You might think maybe it must be some mini-robot made from metal and using electric currents, or maybe some fancy "carbon-nano-tubes", but metals need to be found and processed to build tiny machines from, and if you're at carbo-nano-tubes - if it was easy to build them in a self-replicating manner, organic life probably would have evolved it already...</p></blockquote><p></p>
[QUOTE="Mustrum_Ridcully, post: 9086966, member: 710"] It's difficult to compare, but here is one paper: [URL unfurl="true"]https://arxiv.org/ftp/cs/papers/0701/0701166.pdfa[/URL] [SIZE=1](Edit: Linked a totally different article that I read earlier, interesting topic, but not for this discussion)[/SIZE] So, that's better 1 bit error per 2 GB, I think, but of course, can you maintain this at the scale of a cell? And once you go beyond that - there are additional "error correction" mechanisms for the multicellor organism - like cells being killed off for building the wrong proteins. Estimations are that a human body consists of around 37.2 Trillion cells. 37 * 10^12, and each has about 3 Billion nucleotide pairs. And our body keeps working for decades... And of course, lots of hardware is not exactly "space-proof" - once exposed to cosmic or solar radiation, unprotected by our atmopshere, it tends to have worse error rates. I really thing realistic "Von Neumann" machines is really just organic life. You might think maybe it must be some mini-robot made from metal and using electric currents, or maybe some fancy "carbon-nano-tubes", but metals need to be found and processed to build tiny machines from, and if you're at carbo-nano-tubes - if it was easy to build them in a self-replicating manner, organic life probably would have evolved it already... [/QUOTE]
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