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Date: Tue, 7 May 2024 18:53:49 +0200 Mime-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: Scalar waves Newsgroups: sci.physics.relativity References: <l96663F16l9U1@mid.individual.net> <Me6dnRr7rMaN6rP7nZ2dnZfqnPGdnZ2d@giganews.com> <l98megFchp8U1@mid.individual.net> <TeednX5uuvbrPbL7nZ2dnZfqnPqdnZ2d@giganews.com> <l9bfe7FpedoU1@mid.individual.net> <1qsvg5a.x7fj8618ybjpgN%nospam@de-ster.demon.nl> <l9jg4jF18vjU2@mid.individual.net> <8P-dna9th8kfy6v7nZ2dnZfqnPGdnZ2d@giganews.com> <l9oliuFofc9U4@mid.individual.net> <1qt2y1v.1uss53m11sqhkeN%nospam@de-ster.demon.nl> <l9r80oF5u6tU2@mid.individual.net> <1qt4uwn.7e3e5216d5hn3N%nospam@de-ster.demon.nl> <v1achg$2h11t$1@dont-email.me> <1qt51do.9cz4pq16pvb7lN%nospam@de-ster.demon.nl> <l9u4dcFj3inU3@mid.individual.net> <1qt6ogf.1dzq6e9ud2kq8N%nospam@de-ster.demon.nl> Content-Language: pl From: Maciej Wozniak <mlwozniak@wp.pl> In-Reply-To: <1qt6ogf.1dzq6e9ud2kq8N%nospam@de-ster.demon.nl> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Lines: 66 Path: ...!weretis.net!feeder9.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!tr1.iad1.usenetexpress.com!feeder.usenetexpress.com!tr2.eu1.usenetexpress.com!news.newsdemon.com!not-for-mail Nntp-Posting-Date: Tue, 07 May 2024 16:53:49 +0000 X-Received-Bytes: 3737 X-Complaints-To: abuse@newsdemon.com Organization: NewsDemon - www.newsdemon.com Message-Id: <17cd431e1a5382d4$243803$255119$c2265aab@news.newsdemon.com> Bytes: 4144 W dniu 07.05.2024 o 18:42, J. J. Lodder pisze: > Thomas Heger <ttt_heg@web.de> wrote: > >> Am Montag000006, 06.05.2024 um 13:52 schrieb J. J. Lodder: >>> Mikko <mikko.levanto@iki.fi> wrote: >>> >>>> On 2024-05-06 09:36:27 +0000, J. J. Lodder said: >>>> >>>>> A measurement is not a measurement unless it can be traced >>>>> to a primary standard. >>>>> So your multimeter measures 204.5 mA when it says so >>>>> because the manufacturer of it says so. >>>>> Your manufacturer can guarantee that, >>>>> because he has calibrated the thing >>>>> against his standard ampere meter. >>>>> He knows that his standard meter measures amps >>>>> because he takes it to his national standards lab, >>>>> where they calibrate it for him. >>>>> And ultimately (if you live in a small country) >>>>> your national lab takes their standards to NIST, or BIPM, >>>>> where they do have a primary standard. >>>> >>>> Possibly. Or the manufacturer or certifier or the national >>>> laboratory may have a reference that they compare directly >>>> to the definition. >>> >>> Certainly. Whatever, >>> the point is and remains that a measurement isn't a measurement >>> unless it can be traced to an SI standard. >>> In many cases this is even required by law. >>> Whatever is doing the calibrating must be a state-approved agency. >> >> Well, no! >> >> You can use any other consistent system of units, if you don't like >> SI-units. > > Certainly, and you can use any other system of dimensions > than the one that is conventionally associated with the SI. > >> But actually I was talking about dimensions and how those are defined. >> >> That term refers to WHAT is measured, while units define the quantities >> of the measurement results. > > Sure, you can invent your own definitions, > but that is not how the term 'dimension' is used in physics. > >> Simple example: >> >> you have a distance of roughly 1 meter and want to measure that. >> >> you could use inch, yards, forlongs, lightseconds, Angstroem, mm and the >> size of the emperors feet. >> >> The choice of a unit would only influence the numerical value, but not >> the measured distance. > > You forget the only length unit that is still in everyday use, > the second, up to an unconvenient conversion factor. > Do I really need to remind you again that the meter has been abolished > as a primary standard, and that all length measurements > must (by the definition of the meter) be calibrated in seconds? Only such an idiot can believe such impudent lies, Lod.