<div dir="auto"><div><br><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Aug 30, 2023, 9:44 AM efc--- via extropy-chat <<a href="mailto:extropy-chat@lists.extropy.org">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"><br>
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On Wed, 30 Aug 2023, Jason Resch via extropy-chat wrote:<br>
<br>
> lasers: CDs, DVDs, fiber optics cables<br>
> Semiconductor based transistors: modern electronics, radios, NAND/flash memory, DRAM, integrated circuits (CPUs and GPUs)<br>
> Atomic clocks: GPS and navigation<br>
> Ring-laser gyroscopes for sea and air transportation and navigation <br>
> spintronics: MRI machines, hard drive read head<br>
> Ligo gravity wave detector<br>
> Superconducting magnets, as used in particle accelerators and tokomak fusion reactors <br>
> <br>
> So as it is, nearly all our modern technology is based on principles we've only understood since developing quantum mechanics.<br>
<br>
But since there's so much we don't understand, and the implicatins<br>
potentially massive, I wonder how much more there remains to be found<br>
within the qm framework, before this paradigm has been exhausted. =)<br></blockquote></div></div><div dir="auto"><br></div><div dir="auto"><br></div><div dir="auto">I think that QM, as a framework is well understood and nearly complete. There is surely much more to invent, but if we were given some future technology, and a schematic of its construction, I think there's a good chance we could explain and understand it's function with our current knowledge of physics.</div><div dir="auto"><br></div><div dir="auto">Of course, there might be some unknown force or family of particles we're still unaware of, but given the energies probed so far via particle accelerators, we should have seen these other particles or families of particles by now, unless they only exist at incredible extremes of energy and temperature.</div><div dir="auto"><br></div><div dir="auto">Where our understanding is known to be limited limited relates to edge conditions, at very tiny or scales, where gravity becomes as strong as the other forces as in black holes, and in cosmic scales, such as the nature of dark matter and dark energy.</div><div dir="auto"><br></div><div dir="auto">Sean Carroll summarizes this point here: <a href="https://youtu.be/LOGT0r9VbWg?si=v4PsH1FC6w0Y4MfY">https://youtu.be/LOGT0r9VbWg?si=v4PsH1FC6w0Y4MfY</a></div><div dir="auto">He says what we are confident we understand well are the physical laws underlying everyday life.</div><div dir="auto"><br></div><div dir="auto">Jason </div><div dir="auto"><br></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">
<br>
MVH <br>
Daniel<br>
<br>
<br>
> <br>
> Jason <br>
> <br>
> <br>
><br>
> Best regards,<br>
> Daniel<br>
> <br>
><br>
> ><br>
> ><br>
> > BillK<br>
> ><br>
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