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Re: energy and mass

Subject Re: energy and mass
Newsgroups sci.physics.relativity, sci.electronics.design
References (20 earlier) <y5icnZnDNM62oi30nZ2dnZfqn_GdnZ2d@giganews.com> <lRednS1nVLBu3i30nZ2dnZfqn_ednZ2d@giganews.com> <10opjsp$dn3t$1@dont-email.me> <N7ucncU7cqVJyy30nZ2dnZfqnPqdnZ2d@giganews.com> <10oqr88$qhf1$1@dont-email.me>
From Ross Finlayson <ross.a.finlayson@gmail.com>
Date 2026-03-10 23:23 -0700
Message-ID <DL-dnQWf4usdlyz0nZ2dnZfqnPWdnZ2d@giganews.com> (permalink)

Cross-posted to 2 groups.

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On 03/10/2026 09:32 PM, Bill Sloman wrote:
> On 11/03/2026 4:37 am, Ross Finlayson wrote:
>> On 03/10/2026 10:20 AM, Bill Sloman wrote:
>>> On 11/03/2026 3:16 am, Ross Finlayson wrote:
>>>> On 03/10/2026 08:56 AM, Ross Finlayson wrote:
>>>>> On 03/10/2026 01:19 AM, Thomas Heger wrote:
>>>>>> Am Sonntag000008, 08.03.2026 um 15:37 schrieb Bill Sloman:
>>>>>>> On 8/03/2026 7:40 pm, Thomas Heger wrote:
>>>>>>>> Am Donnerstag000005, 05.03.2026 um 15:43 schrieb Bill Sloman:
>>>>>>>>> On 5/03/2026 9:57 pm, Thomas Heger wrote:
>>>>>>>>>> Am Dienstag000003, 03.03.2026 um 13:14 schrieb Bill Sloman:
>>>
>>> <snip>
>>>
>>> I had friend who was a serious pure mathematician - he worked in the
>>> geometry of algebraic fields (or possibly the algebra of geometric
>>> fields). This was back around 1967, but I was never sure which, even
>>> back then.
>>>
>>> Sometimes he would talk about his work, and I learned that it was futile
>>> for me to try to follow what he was saying, but one aspect of the
>>> conversations was pretty reliable. At some point he would say "and it
>>> generalises!" and we could get back to talking about stuff that I could
>>> follow.
>>>
>>> I was doing quasi-mathemtical stuff at the time, but it was more data
>>> analysis than mathematics. I ended up writing my own Fortran program to
>>> do least squares curve fitting to fit my data to a three parameter
>>> non-linear model, and pulled out confidence limits on each of the
>>> parameters at the end of the fitting process.
>>>
>>> The confidence limits were a bit optimistic. I'd assumed random noise,
>>> but there was clearly a 1/f component in the noise. There were ways to
>>> take that into account, but I'd have needed to accumulate a lot more
>>> experimental data to do that and my grant was running out.
>>>
>>
>> Hm. "ECF: Error correction factor"?
>>
>> https://en.wikipedia.org/wiki/Error_correction_model
>>
>>
>> The linear regression and least squares is a great thing
>> and naturally regresses to the mean, when the relation
>> is linearly correlated, then for example about the usual
>> ideas of the log-linear, and then usual ideas of the
>> feedback or hysteresis, about things like diminishing returns.
>>
>> Then, two great concepts from mathematics about the
>> finding numbers or intercepts, are as after the
>> "generalized linear model" and gradient descent,
>> and, "principal component analysis", when figuring
>> out what are independent and dependent variables in
>> functional relations and their accuracy.
>>
>> The least squares naturally adds up for the most
>> usual accounts of regression to the mean, vis-a-vis
>> autoregression and autocorrelation, so it fits very
>> well with the Central Limit Theorem and what's usually
>> enough called college statistics, in fact, _too well_,
>> since it can't tell the difference between correlated
>> and anti-correlated.
>>
>> So, ..., most of probability theory its standard linear
>> curriculum's standard development: funnels right into
>> the Central Limit Theorem then for the great accounts
>> of Fisher (Sir Ronald Aylmer) and Student about Chi-squared
>> and t and so on, analysis of variance and then for analysis
>> of covariance, and about that being univariate then about
>> the multivariate.
>>
>> https://en.wikipedia.org/wiki/Student%27s_t-distribution
>
> My father was physical chemist who worked in the paper industry, and
> needed to analyse his data. He talked to the professor of statistics at
> his old university (one of his nephews had the job for a few years some
> thirty years later) and ended up buying R.A.Fisher's "The Design of
> Experiments". I grabbed it after he died. It's the third edition,
> published in 1942 (the year I was born) and still has the original dust
> cover, but he did use it.
>
>> The "standardization" and "normalization" in probability
>> theory making everything look like a bell curve has that
>> there are other limit theorems besides the Central limit
>> theorem, about Uniform and Polar limit theorems.
>
> Poisson comes to mind.
>
> https://en.wikipedia.org/wiki/Poisson_distribution
>
> The gain control schemes in electron microscopes tend to break down when
> you get less than one electron per observation period. Getting the
> software guys to think about that wasn't easy.
>
>> Analysis:
>> https://en.wikipedia.org/wiki/Generalized_linear_model
>> https://en.wikipedia.org/wiki/Principal_component_analysis
>>
>> Statistics:
>> https://en.wikipedia.org/wiki/General_linear_model
>> https://en.wikipedia.org/wiki/Principal_component_regression
>>
>>
>> One of the most usual things showing up in any
>> setting of Fourier-style analysis and signal
>> reconstruction is "Gibbs phenonmenon", "the hysteresis".
>>
>> https://en.wikipedia.org/wiki/Gibbs_phenomenon
>
> Don't remind me. I once put together a random noise generator for female
> friend before I knew about Gibbs oscillation, and I had to apply a
> Hamming window to the 32 resistor values in the tapped shift register
> filter to get it to work as intended. Every last one of them had to be
> changed, which took me about an hour with the soldering iron. Her
> sending it back to me in England from Germany took about a week, and it
> took as long for me to send it back. Embarrassing but educational.
> Eventually it confused her bats echo-location as intended.
>
>> The "interpolation" and "extrapolation" has
>> many ways to write curves parametrically.
>

The band-pass and Kalman filters are so ubiquitous,
that it's often not even considered that they don't
perfectly make for reconstructing the analog.

It seems like a lot of mathematics these days is
so much about the embarrassment of resources of
the computing milieu that there's not much made
of analysis, just regression to the mean.

That said, then there's certainly opportunity in
analysis and design over crunching and iteration,
since analog computing still has some unique capabilities.

The Kalman filter shows up a lot, it's just so usual,
or so it seems from somebody who's not an electrical
engineer by trade, there's yet something to be said
for analog approaches like integrators.

Thanks for writing.

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Thread

Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-23 09:26 -0800
  Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-02-23 21:49 +0100
    Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-23 22:30 -0800
      Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-02-24 12:40 +0100
        Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-24 09:02 -0800
          Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-02-24 20:34 +0100
          Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-02-25 16:17 +1100
            Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-02-25 11:46 +0100
              Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-25 08:35 -0800
              Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-02-25 10:01 -0800
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-02-26 13:24 +0100
              Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-02-26 16:50 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-02-26 11:21 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-02-26 11:29 +0100
                Re: energy and mass Gerhard Hoffmann <dk4xp@arcor.de> - 2026-02-26 12:32 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-02-26 13:24 +0100
                Re: energy and mass Gerhard Hoffmann <dk4xp@arcor.de> - 2026-02-26 18:33 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-02-26 21:39 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-26 06:05 -0800
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-02-26 15:32 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-26 06:41 -0800
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-02-26 18:11 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-26 10:40 -0800
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-02-26 20:12 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-26 11:52 -0800
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-02-28 10:14 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-01 00:04 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-01 10:08 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-01 20:40 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-03 09:53 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-03 23:14 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-05 11:57 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-06 01:43 +1100
                Re: energy and mass Jeroen Belleman <jeroen@nospam.please> - 2026-03-05 16:03 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-05 08:48 -0800
                Re: energy and mass Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2026-03-05 22:03 +0100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-05 14:32 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-06 16:47 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-05 18:20 -0800
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-06 11:01 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-07 16:48 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-06 21:56 -0800
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-07 04:16 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-08 00:31 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-07 07:08 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-08 00:29 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-05 08:42 -0800
                Re: energy and mass "Don" <g@crcomp.net> - 2026-03-05 18:48 +0000
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-05 12:32 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-06 05:57 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-08 09:40 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-09 01:37 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-10 09:19 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 08:56 -0700
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-10 09:13 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 09:21 -0700
                Re: energy and mass Jeroen Belleman <jeroen@nospam.please> - 2026-03-10 20:04 +0100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-10 12:51 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 12:55 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 15:00 +1100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 14:53 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-11 10:01 +0100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-11 07:54 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-11 18:45 +0100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-11 20:19 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 17:37 +1100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-12 07:59 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 16:41 +1100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-13 08:10 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 16:53 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 11:51 +0100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-12 10:18 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 21:58 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 16:48 +1100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-13 08:18 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 17:03 +1100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 17:34 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 11:51 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 02:29 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 21:58 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 16:55 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-13 07:56 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 01:47 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-13 20:01 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 17:13 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-14 07:50 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 01:18 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-14 20:40 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 15:40 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-15 08:13 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 20:19 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-15 10:33 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 23:36 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-15 14:50 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-13 09:46 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 02:24 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-14 09:55 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 02:02 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-15 10:08 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 20:52 +1100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 20:50 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-19 10:38 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 08:12 -0700
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-11 08:24 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 17:43 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-13 09:49 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 02:33 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-14 10:00 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 08:40 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 09:16 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 04:20 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 10:37 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 15:32 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 23:23 -0700
                Re: energy and mass "Paul B. Andersen" <relativity@paulba.no> - 2026-03-11 13:15 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 08:27 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 10:05 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 10:12 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 10:20 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 10:30 -0700
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-11 19:37 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 15:49 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 06:48 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 18:09 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 09:45 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 21:22 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 13:14 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 02:57 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 23:03 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-12 16:34 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 14:16 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 14:31 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-12 07:17 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-12 07:33 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-12 07:52 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 11:51 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-13 10:05 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 02:46 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 08:57 -0700
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-14 10:09 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 03:01 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-10 21:45 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 19:18 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 15:42 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-11 11:20 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-11 09:57 +0100
                Re: energy and mass Gerhard Hoffmann <dk4xp@arcor.de> - 2026-03-11 10:54 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 00:07 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-12 10:45 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 10:48 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 22:05 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 12:42 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 03:14 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-13 10:10 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-13 10:54 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 02:57 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 09:04 -0700
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-13 20:08 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 17:29 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-14 07:52 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 02:10 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-14 20:44 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 15:46 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-15 09:26 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 20:56 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 01:03 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 02:30 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-15 09:38 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-15 06:19 -0700
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-14 10:12 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-14 11:20 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-14 09:24 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 21:52 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 14:16 +0100
                Re: energy and mass Jeroen Belleman <jeroen@nospam.please> - 2026-03-12 15:52 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-12 07:55 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-12 08:04 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 17:19 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-13 11:05 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 08:28 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 08:31 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 09:07 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 09:08 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 17:58 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 01:12 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 01:17 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 17:44 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 01:05 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 02:43 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 09:10 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 09:25 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 09:32 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 04:44 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 17:00 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-15 06:22 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 17:37 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 01:04 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 02:50 +1100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 17:34 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-14 07:54 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 02:57 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-14 21:01 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 15:49 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-15 08:19 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 21:05 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-15 11:18 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 13:58 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-16 07:56 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 21:04 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-16 11:43 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-16 05:30 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 01:21 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-16 15:47 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 17:11 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 08:07 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 22:17 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-17 08:07 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-16 05:22 -0700
                Re: energy and mass Jeroen Belleman <jeroen@nospam.please> - 2026-03-14 12:00 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 08:24 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 08:26 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 03:10 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 09:19 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-14 21:43 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 16:05 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 21:58 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-13 10:19 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 03:17 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-14 10:15 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 03:18 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-15 21:57 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-15 23:04 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 14:27 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-16 07:50 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 21:19 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-16 11:48 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 01:35 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-16 15:55 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 17:27 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 08:12 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 22:26 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 13:58 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 02:36 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 17:18 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 05:50 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 20:28 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 17:19 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 08:13 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 20:39 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 11:07 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 00:41 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 15:09 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 14:18 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-18 21:00 -0700
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-19 07:29 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-16 16:24 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-16 16:49 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 17:44 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 08:17 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 22:47 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 14:12 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 03:06 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 17:34 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 06:26 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 20:36 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 15:12 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 08:03 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 20:50 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 11:28 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 00:19 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 14:41 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 01:20 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 15:33 +0100
                Re: energy and mass Python <python@cccp.invalid> - 2026-03-18 15:19 +0000
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-18 08:29 -0700
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 17:54 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 14:35 +1100
                Re: energy and mass Jeroen Belleman <jeroen@nospam.please> - 2026-03-17 17:26 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 14:44 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-19 07:46 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 18:01 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-17 08:08 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 03:13 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-16 11:00 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-16 11:20 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-16 22:24 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-16 17:32 -0700
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 10:51 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 22:50 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-19 10:42 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-13 22:05 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 00:06 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 11:51 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-13 09:26 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-13 15:08 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-14 09:39 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 03:37 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-14 21:06 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-17 08:42 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 23:34 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-19 11:01 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-14 21:43 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-17 08:52 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 00:13 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-17 08:09 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-17 08:35 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 03:24 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-17 14:33 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 15:25 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-18 13:05 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 23:44 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-18 15:43 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 14:51 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-19 07:46 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 18:07 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-18 07:50 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-18 08:06 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-18 08:18 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-18 08:34 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-18 13:05 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 00:02 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-18 13:05 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 03:34 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-14 10:18 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 02:58 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 03:41 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-01 13:13 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-28 06:51 -0800
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-02-28 07:06 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-01 17:05 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-01 10:46 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-02-28 10:03 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-01 00:17 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-01 10:26 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-01 21:03 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-03 10:06 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-03 23:40 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-03 13:47 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-04 16:25 +1100
                Re: energy and mass liz@poppyrecords.invalid.invalid (Liz Tuddenham) - 2026-03-04 09:42 +0000
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-04 02:52 -0800
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-07 23:39 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-06 09:37 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-07 00:36 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-06 07:47 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-07 17:12 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-07 06:59 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-08 11:33 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-07 19:19 -0800
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-09 01:44 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-08 08:29 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-09 12:52 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-08 20:04 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-08 20:17 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-10 00:09 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 07:36 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 09:09 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-10 14:29 +1100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-10 14:17 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-10 21:21 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-10 23:57 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 16:14 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-11 08:13 +0100
                Re: energy and mass "Paul B. Andersen" <relativity@paulba.no> - 2026-03-11 13:50 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-11 14:39 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 00:24 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-11 16:10 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 16:07 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 07:11 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 18:26 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 09:56 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 22:22 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 12:56 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 03:36 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 23:20 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 14:16 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 03:45 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 21:58 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-11 18:45 +0100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-11 11:20 +0100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-12 10:35 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 22:29 +1100
                Re: energy and mass Thomas Heger <ttt_heg@web.de> - 2026-03-13 10:24 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-14 03:42 +1100
                Re: energy and mass The Starmaker <starmaker@ix.netcom.com> - 2026-03-15 21:42 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 21:50 +1100
                Re: energy and mass The Starmaker <starmaker@ix.netcom.com> - 2026-03-16 08:55 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 18:06 +1100
                Re: energy and mass The Starmaker <starmaker@ix.netcom.com> - 2026-03-17 01:14 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 00:29 +1100
                Re: energy and mass The Starmaker <starmaker@ix.netcom.com> - 2026-03-17 10:34 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 15:49 +1100
                Re: energy and mass The Starmaker <starmaker@ix.netcom.com> - 2026-03-18 00:27 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 21:00 +1100
                Re: energy and mass The Starmaker <starmaker@ix.netcom.com> - 2026-03-18 11:07 -0700
                Re: energy and mass The Starmaker <starmaker@ix.netcom.com> - 2026-03-18 11:47 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 15:14 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-19 07:47 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 18:11 +1100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 15:07 +1100
                Re: energy and mass The Starmaker <starmaker@ix.netcom.com> - 2026-03-18 23:07 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 18:24 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-19 09:31 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-19 20:38 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-19 07:47 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-18 07:32 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 15:56 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-11 11:20 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 10:59 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 11:41 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 13:18 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-09 23:59 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 07:32 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-09 21:49 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 15:24 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-10 15:37 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 22:07 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-10 16:58 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-09 23:26 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 09:25 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 04:33 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 10:45 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 16:26 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-11 08:19 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 00:34 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-11 16:10 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 16:16 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 07:13 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 18:39 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 09:58 +0100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 10:17 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 22:42 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 13:03 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 03:50 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-12 23:23 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-12 07:05 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 22:31 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 08:38 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 08:55 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 00:28 -0700
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-10 21:45 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 03:36 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-10 10:13 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 16:51 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-10 21:21 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-10 14:51 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-10 21:21 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-11 17:02 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-11 11:20 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 01:00 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-11 18:45 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-11 12:48 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-12 16:33 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 11:51 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 04:09 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-12 21:58 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-13 17:36 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-13 22:05 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 14:55 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-13 21:29 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 03:49 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-15 21:57 +0100
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-15 14:18 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-15 17:24 -0700
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-15 18:10 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 14:49 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-16 05:14 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 01:52 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-16 08:04 -0700
                Re: energy and mass john larkin <jl@glen--canyon.com> - 2026-03-16 08:32 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 18:24 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 10:49 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 00:43 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 15:35 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 03:33 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 17:39 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 06:36 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-17 20:41 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 21:10 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 11:37 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 23:29 +1100
                Re: energy and mass Maciej Woźniak <mlwozniak@wp.pl> - 2026-03-18 13:37 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-17 07:48 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 03:58 +1100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 14:47 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-17 21:21 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 15:56 +1100
                Re: energy and mass nospam@de-ster.demon.nl (J. J. Lodder) - 2026-03-18 13:05 +0100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-18 23:25 +1100
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 14:41 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-14 20:14 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-15 16:16 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-15 06:58 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-15 08:13 -0700
                Re: energy and mass Jeroen Belleman <jeroen@nospam.please> - 2026-03-15 17:01 +0100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-15 09:39 -0700
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-15 09:55 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-16 15:16 +1100
                Re: energy and mass Ross Finlayson <ross.a.finlayson@gmail.com> - 2026-03-16 05:21 -0700
                Re: energy and mass Bill Sloman <bill.sloman@ieee.org> - 2026-03-17 02:10 +1100

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