Talk:Kibble balance

message: Metrology in the balance fig 3 has a good schematic diagram of a Watt balance. Also discusses recent accuracies. Rod57 (talk) 01:20, 28 March 2011 (UTC)
thread_title:  Diagram 

message: The article says the watt balance is better than the ampere balance because there's no need to measure distances.  But the calibration of the watt balance requires measurement of speed ('v' in the article).  And I would naively think measuring speed means measuring distance.
I'm sure there's an well known explanation but I would've liked to see it in the article. LegendLength (talk) 09:23, 5 October 2012 (UTC)
thread_title:  Improvement over Ampere Balance 

message: U is traditionally used for potential ENERGY, not potential difference aka Voltage V. The use of the outdated term "Potential Difference" and the symbol U in this context creates a huge amount of confusion in introductory and even advanced physics. We should use Voltage and V in this article to avoid the same issue.  — Preceding unsigned comment added by 71.183.128.65 (talk) 18:01, 28 November 2016 (UTC)
replies: text: I think the reason U was used for potential instead of V was to avoid confusion with the velocity variable, small-v, in the same equations.  I feel as long as the variables are clearly defined there should be no confusion. --ChetvornoTALK 18:20, 16 May 2017 (UTC)
thread_title:  U vs V 

message: The article mentions that "metrologists agreed to rename watt balances as Kibble balances"  but the name of the article is watt balance. Why don't we rename it if it's already been agreed to be renamed? Actually somewhat interested in the reasoning... Pax vobiscum, Emosy (talk) 03:41, 15 May 2017 (UTC)
replies: text: The article name should be "...the name that is most commonly used (as determined by its prevalence in a significant majority of independent, reliable English-language sources)..." {WP:COMMONNAME).  For now, I think the name that meets this requirement is "Watt balance".  I think we should wait a few years and see if the name "Kibble balance" becomes the norm in the technical literature; if so we can rename the article then. --ChetvornoTALK 03:59, 15 May 2017 (UTC)

text: That's an extreme position. Will the Ministry of Truth be recalling all the old books and revising them to the new dictat? --Wtshymanski (talk) 17:03, 10 June 2017 (UTC)
thread_title:  Acceptance of renaming? 

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thread_title:  External links modified 

message: I think that the Article should state explicitly that the future numerical value of the Planck Constant was defined at CGPM 26; I do not see that it yet does so. 94.30.84.71 (talk) 09:54, 18 November 2018 (UTC)
thread_title:  Planck Constant value definition 

message: There is obviously something wrong in the description of the measuring procedure. The "v" component in the formula F = UI/v must be measured in the "moving" phase. During the "weighting" phase, the speed of the coil only has to be kept constant to ensure that the net force is zero.  — Preceding unsigned comment added by 89.253.110.211 (talk) 07:41, 27 October 2019 (UTC)
thread_title:  Measuring procedure 

message: "Bryan Kibble and Ian Robinson invented the Kibble Mark II balance, which uses a circular coil and operates in vacuum conditions in 1990.[14] "
The sentence ought to be rearranged to avoid a paradoxical situation where the Kibble Mark II balance operates in the present and concurrently in 1990. 2600:100C:A121:CC1F:24C8:AAF0:80F2:F8E1 (talk) 00:59, 1 June 2024 (UTC)
thread_title:  It operates in 1990