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Path: news.eternal-september.org!eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: Phil Hobbs <pcdhSpamMeSenseless@electrooptical.net> Newsgroups: sci.electronics.design Subject: Re: yes! Date: Mon, 19 Aug 2024 14:44:39 -0000 (UTC) Organization: A noiseless patient Spider Lines: 107 Message-ID: <v9vlon$2tbm9$1@dont-email.me> References: <2ugqbjhvlh9vrlmqhciaubcf64dbooph0o@4ax.com> <v9lp74$13417$1@dont-email.me> <p1usbj1jtg5st9ahr544q5pajc98o9vqsn@4ax.com> <v9ob65$1hujj$1@dont-email.me> <1gjvbjhf6h3rj3di3vmr1e681v6qi5mslr@4ax.com> <v9qkkf$1vkc1$1@dont-email.me> <bji2cjlic87l7hcf8qvfmh5si6o2gs5rln@4ax.com> <v9s1f4$2932f$3@dont-email.me> <rr34cj99uhg9cqank3amgqnrlhqok9f0m2@4ax.com> <v9ul4a$2ogi5$2@dont-email.me> <v9urmd$1dv9j$1@solani.org> <fck6cjp4d5r3kssjrscmrr9nbececlsu9r@4ax.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Injection-Date: Mon, 19 Aug 2024 16:44:40 +0200 (CEST) Injection-Info: dont-email.me; posting-host="63219de732956b96a11e53aa388a53e2"; logging-data="3059401"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX18y6BDIuZannS5F5KBUzMnI" User-Agent: NewsTap/5.5 (iPhone/iPod Touch) Cancel-Lock: sha1:jeWS6C2kox/hOpU6UPsc0Fw1ZHQ= sha1:H3yEkP6a6SX/+Dy6t3bVg/lc1ds= john larkin <jlarkin_highland_tech> wrote: > On Mon, 19 Aug 2024 07:19:40 GMT, Jan Panteltje <alien@comet.invalid> > wrote: > >> On a sunny day (Mon, 19 Aug 2024 15:27:38 +1000) it happened Bill Sloman >> <bill.sloman@ieee.org> wrote in <v9ul4a$2ogi5$2@dont-email.me>: >> >>> On 19/08/2024 1:14 am, john larkin wrote: >>>> On Sun, 18 Aug 2024 15:39:46 +1000, Bill Sloman <bill.sloman@ieee.org> >>>> wrote: >>>> >>>>> On 18/08/2024 11:16 am, john larkin wrote: >>>>>> On Sat, 17 Aug 2024 17:54:38 +0100, Martin Brown >>>>>> <'''newspam'''@nonad.co.uk> wrote: >>>>>> >>>>>>> On 16/08/2024 23:16, john larkin wrote: >>>>>>>> On Fri, 16 Aug 2024 21:01:06 +0100, Martin Brown >>>>>>>> <'''newspam'''@nonad.co.uk> wrote: >>>>>>>> >>>>>>>>> OTOH I was visiting my tame biochemist friend today and he is interested >>>>>>>>> in it as he has always suspected that there was a lot more to myelin >>>>>>>>> sheaths on nerves than they are usually given credit for. A QM mediated >>>>>>>>> higher transmission efficiency of signals *might* just be plausible. >>>>>>>> >>>>>>>> My theory is that the electrical pulses we see in long nerves are just >>>>>>>> chemical refreshes, not the data carriers themselves. >>>>>>> >>>>>>> That isn't any kind of scientific theory - it is too feeble even to be >>>>>>> called a conjecture. Wild imagining is still far too polite. Crazy idea >>>>>>> perhaps? >>>>>> >>>>>> Consider the timing accuracy required to encode all the information >>>>>> from your foot, given just the obvious electrical nerve pulses. >>>>>> >>>>>> Now consider what happens to the relative pulse timings when you flex >>>>>> your limbs and body, when sound and shock waves slam your nerves, when >>>>>> your heart beats. >>>>>> >>>>>> Too much jitter for simple pulse-time encoding. >>>>> >>>>> Who would imagine that it was simple? Design is all about getting the >>>>> result you want from the hardware you've got, and while our nervous >>>>> system isn't designed, only those random mutations which lead to a >>>>> tolerably functional system survived natural selection. >>>> >>>> >>>> https://www.youtube.com/watch?v=7ToSEAj2V0s >>> >>> We all know you are a creationist. I was deliberately sending you up >>> there, and you fell for it. >> >> John's idea of 'random' in 'only those random mutations which lead to a >> tolerably functional system' >> shows he misses out on something essential. >> Look at the Periodic System, how neutrons, protons, electrons, combine >> in always the SAME configuration >> forming our elements... >> Nothing 'random' about it. >> We know very little what electrons and the other elementary particles >> are made of and how those work, are formed, interact. >> But starting from the Periodic System that is not random at all and then >> all the way to life as we know it >> is a pre-determined process that does not need a 'God' / Creator or whatever. >> Of course some tinkerer alien could have created the elementary >> particles in its lab, but that is circular reasoning. >> >> There is lot of circular things, one can wonder if sort of processes >> (like us) exist on the surface of neutrons for example >> Not such a wild idea if you see the scale of things, us (as humming >> beans) on this planet in this solar system in this galaxy in this part >> of the universe we can observe.. >> Scales are fantastic. >> As to 'random' creating a random code is hard, people are trying very hard in cryptology.. > > Johnson and zener noise are random. Scramble several to be really > sure. > >> Maybe logic says we cannot create a random code as we are not random? Wild idea... >> But randomness is an interesting thing. >> > > How about programming a computer to generate random character > substitutions in, say, a Python program, and test various resulting > versions to see if they improve, or better yet, perform some wonderful > new unexpected function. > > That would be neo-darwinian programming, random mutation and > selection. > > Actually, that scheme has been tried for circuit design. It didn't > work well. > > Random mutation and selection does work to design LC filters, up to > 3rd order or so. At higher orders, it diverges to nonsense. If you parameterize using the LC values, I believe that. It’s very difficult to tune a high-order filter unless you start out pretty close. Parameterizing f_0 and Q for each section works much much better. Cheers Phil Hobbs -- Dr Philip C D Hobbs Principal Consultant ElectroOptical Innovations LLC / Hobbs ElectroOptics Optics, Electro-optics, Photonics, Analog Electronics