Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > sci.physics.relativity > #655536
| From | The Starmaker <starmaker@ix.netcom.com> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Energy? |
| Date | 2024-08-05 08:45 -0700 |
| Organization | To protect and to server |
| Message-ID | <66B0F387.1A3B@ix.netcom.com> (permalink) |
| References | (3 earlier) <66A9CBC9.2213@ix.netcom.com> <T8CdnXBAIsR5Djf7nZ2dnZfqn_adnZ2d@giganews.com> <66AD00A3.3BC9@ix.netcom.com> <66ae09cc$0$3667$426a74cc@news.free.fr> <U6CcnSDN2JMgSjP7nZ2dnZfqn_qdnZ2d@giganews.com> |
Ross Finlayson wrote: > > On 08/03/2024 03:43 AM, J. J. Lodder wrote: > > The Starmaker <starmaker@ix.netcom.com> wrote: > > > >> Ross Finlayson wrote: > >>> > >>> On 07/30/2024 10:29 PM, The Starmaker wrote: > >>>> Ross Finlayson wrote: > >>>>> > >>>>> On 07/29/2024 05:14 PM, The Starmaker wrote: > >>>>>> There is no one person on earth that can even define correctly the > >>>>>> word...Energy. > >>>>>> > >>>>>> > >>>>>> > >>>>>> Stefan Ram wrote: > >>>>>>> > >>>>>>> In a chapter of a book, the author gives this relation for a > >>>>>>> system with mass m = 0: > >>>>>>> > >>>>>>> E^2/c^2 = p^"3-vector" * p^"3-vector" > >>>>>>> > >>>>>>> . Then he writes, "This implies that either there is no particle > >>>>>>> at all, E = 0, or we have a particle, E <> 0, and therefore > >>>>>>> p^'3-vector' <> 0.". > >>>>>>> > >>>>>>> So, his intention is to kind of prove that a particle without mass > >>>>>>> must have momentum. > >>>>>>> > >>>>>>> But I wonder: Does "E = 0" really mean, "there is no particle."? > >>>>>>> > >>>>>>> 300 years ago, folks would have said, "m = 0" means that there is > >>>>>>> no particle! Today, we know that there are particles with no mass. > >>>>>>> > >>>>>>> Can we be confident that "E = 0" means "no particle", or could > >>>>>>> there be a particle with "E = 0"? > >>>>>>> > >>>>>>> Here's the Unicode: > >>>>>>> > >>>>>>> EÂ"/cÂ" = pâ∞˜ · pâ∞˜ > >>>>>>> > >>>>>>> and > >>>>>>> > >>>>>>> |This implies that either there is no particle at all, E = 0, or we > >>>>>>> |have a particle, E â≈ 0, and therefore pâ∞˜ â≈ 0. > >>>>>> > >>>>> > >>>>> Entropy has two definitions, sort of opposite each other, > >>>>> "Aristotle's and Leibniz'". > >>>>> > >>>>> The energy or energeia then relates to the entelechiae, > >>>>> content and connectedness, what results to dynamis/dunamis, > >>>>> which are the same word, one for power the other potential. > >>>>> > >>>>> So, energy is defined by other definitions, the least. > >>>> > >>>> What is Einstein's definition of...Energy? > >>>> > >>>> > >>>> > >>> > >>> It's capacity to do work. > >>> > >>> It's usual that "everything's energy, after mass-energy equivalence > >>> and the energy of the wavepackets of what are photons", yet, it is > >>> that quantities are _conserved_ as with regards to changes of state > >>> and the _conservation of quantities_ for matter, charge, photon > >>> velocity, and neutron lifetime. > >>> > >>> I.e., there are conservation laws, about Emmy Noether's theorem > >>> and symmetries and invariance, yet they're really continuity laws, > >>> and quasi-invariance and super-symmetry, and about running constants, > >>> and the regimes of extremes, in a usual theory with least action. > >>> > >>> These days sometimes it's "information" instead of "energy" which > >>> is "the quantity", with regards to free information and the imaging > >>> of optical visible light and these kinds of things, sort of a > >>> super-classical and quite modern and thoroughly inclusive sort of > >>> theory. > >>> > >>> Just like anything else, it's capacity to do work, with regards > >>> to "least action: sum-of-histories sum-of-potentials" as it's > >>> the potential fields what are real and then intelligence is simply > >>> action on information, with, "levers" everywhere. > >>> > >>> Moment and Motion, .... > >>> > >>> If you want to know Einstein's opinion, his last word on the matter > >>> is "Out of My Later Years", "Relativity", one theory, with GR first. > >> > >> > >> Okay, let me put it this way...it seems you are trying to make an 'attempt' to > >> define the word "energy". > >> > >> You got 5 or 6 paragraphs that seems you are scrounging the Internet in > >> seach for meanings. > >> > >> It sounds like 6 different people wrote it! > > > > Indeed, you may call things 'energy' in any way you want. > > But back to basics: something that you call 'energy' > > isn't really an energy in a physical sense > > unless you can show how it can be converted > > (partly, and at least in principle) to 1/2 mv^2. > > > > With conservation of energy of course, > > > > Jan > > > > > > Einstein of course got e = mc^2 as the first term of > the Taylor expansion of classical mechanics K.E., > it doesn't just "appear", and it's only the first > terms of an infinite series "kinetic energy". > > So, you SR-ians say "we define this" yet it's derived > and you don't know the rest of it. > > Another great thing to think about is that the Heisenberg > uncertainty, about momentum and position and half-Plancks, > it's just a thing about triangle inequality and Born rule > and the baggage of the Eulerian-Gaussian root-mean complex, > in the non-linear and highly non-linear similarly, it's not > so difficult to contrive classical actions that keep the > continuum of the continuous manifold in the quantized. > > Of course lots of people know that every five years the > Particle Data Group produces the latest fundamental physical > constants of which the small get smaller and large get larger, > as with regards to the "running constants" and "Planckian regime" > as with regards to "superstring theory". > > Or, you're kind of like Clausius' pet. The Energy that Einstein was thinking of was only the 'waves from the Sun.' -- The Starmaker -- To question the unquestionable, ask the unaskable, to think the unthinkable, mention the unmentionable, say the unsayable, and challenge the unchallengeable.
Back to sci.physics.relativity | Previous | Next — Previous in thread | Next in thread | Find similar
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-07-29 17:14 -0700
Re: Energy? Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-07-29 20:43 -0700
Re: Energy? Eddy Vadász <azsd@ddd.hu> - 2024-07-30 16:46 +0000
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-07-30 22:29 -0700
Re: Energy? nospam@de-ster.demon.nl (J. J. Lodder) - 2024-07-31 10:02 +0200
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-07-31 10:30 +0200
Re: Energy? hitlong@yahoo.com (gharnagel) - 2024-07-31 15:30 +0000
Re: Energy? nospam@de-ster.demon.nl (J. J. Lodder) - 2024-07-31 21:02 +0200
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-07-31 22:37 +0200
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-07-31 22:43 +0200
Re: Energy? hitlong@yahoo.com (gharnagel) - 2024-08-01 03:12 +0000
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-08-01 07:15 +0200
Re: Energy? nospam@de-ster.demon.nl (J. J. Lodder) - 2024-08-02 10:05 +0200
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-08-02 11:05 +0200
Re: Energy? Python <python@invalid.org> - 2024-08-02 13:32 +0200
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-08-02 15:22 +0200
Re: Energy? Bobauk Guang Chou <gbnbu@agag.cn> - 2024-08-02 09:48 +0000
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-07-31 13:46 +0200
Re: Energy? Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-07-31 12:43 -0700
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-08-01 10:45 -0700
Re: Energy? Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-08-01 12:32 -0700
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-08-01 17:03 -0700
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-08-02 08:52 -0700
Re: Energy? nospam@de-ster.demon.nl (J. J. Lodder) - 2024-08-03 12:43 +0200
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-08-03 16:30 +0200
Re: Energy? Python <python@invalid.org> - 2024-08-03 16:38 +0200
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-08-03 17:37 +0200
Re: Energy? Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-08-03 18:22 -0700
Re: Energy? Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-08-03 19:46 -0700
Re: Energy? Thomas Heger <ttt_heg@web.de> - 2024-08-04 11:22 +0200
Re: Energy? Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-08-04 08:03 -0700
Re: Energy? Thomas Heger <ttt_heg@web.de> - 2024-08-05 09:01 +0200
Re: Energy? hitlong@yahoo.com (gharnagel) - 2024-08-04 18:03 +0000
Re: Energy? Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-08-04 11:33 -0700
Re: Energy? hitlong@yahoo.com (gharnagel) - 2024-08-04 19:38 +0000
Re: Energy? Ross Finlayson <ross.a.finlayson@gmail.com> - 2024-08-04 13:16 -0700
Re: Energy? Verdell Muklevich Fung <vvll@lhvvec.ru> - 2024-08-04 23:42 +0000
Re: Energy? Maciej Wozniak <mlwozniak@wp.pl> - 2024-08-04 22:13 +0200
Re: Energy? Rictor Tatár <trttr@cirrtrra.hu> - 2024-08-05 11:08 +0000
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-08-05 08:45 -0700
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-08-06 10:15 -0700
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-08-07 11:13 -0700
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-08-09 09:38 -0700
Re: Energy? Thomas Heger <ttt_heg@web.de> - 2024-08-10 10:37 +0200
Re: Energy? The Starmaker <starmaker@ix.netcom.com> - 2024-08-10 09:59 -0700
Re: Energy? nospam@de-ster.demon.nl (J. J. Lodder) - 2024-08-16 11:05 +0200
csiph-web