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Groups > sci.physics.relativity > #665455
| From | Thomas Heger <ttt_heg@web.de> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Rate of Change |
| Date | 2025-08-10 06:20 +0200 |
| Message-ID | <mfqkptFjf55U1@mid.individual.net> (permalink) |
| References | (10 earlier) <mfb49dF17h4U2@mid.individual.net> <8om19kt1r1hp6uf47eelsrf5am0jjmftg9@4ax.com> <gs229klapm2tu0o58vkck4vqjgil9eb17m@4ax.com> <f7639kl9mlofjotnrsj4eb6dd9d4jndl49@4ax.com> <6894DE92.5837@ix.netcom.com> |
Am Donnerstag000007, 07.08.2025 um 19:12 schrieb The Starmaker: > The Starmaker wrote: >> >> On Mon, 04 Aug 2025 12:40:02 -0700, The Starmaker >> <starmaker@ix.netcom.com> wrote: >> >>> On Mon, 04 Aug 2025 09:11:22 -0700, The Starmaker >>> <starmaker@ix.netcom.com> wrote: >>> >>>> On Mon, 4 Aug 2025 09:06:32 +0200, Thomas Heger <ttt_heg@web.de> >>>> wrote: >>>> >>>>> Am Montag000004, 04.08.2025 um 07:05 schrieb The Starmaker: >>>>> ... >>>>>>>> Devices belong to a realm, which is not nature. I would prefer to call >>>>>>>> that 'engineering'. >>>>>>>> >>>>>>>> Physicists use all sorts of devices, but would not necessarily build them. >>>>>>>> >>>>>>>>>> >>>>>>>>>> This is usually called 'engineering'. >>>>>>>>> >>>>>>>>> OK, let me reformulate: >>>>>>>>> >>>>>>>>> 1. Do you think that "time" must be measurable to have >>>>>>>>> a meaning in engineering? >>>>>>>>> >>>>>>>>> 2. What is the instrument that engineers use to measures time? >>>>>>>> >>>>>>>> Physicists use clocks of various forms, technology and size. >>>>>>>> >>>>>>>> But time does not use clocks! >>>>>>>> >>>>>>>> This is so, because time is a natural phenomenon and nature does not use >>>>>>>> any man-made devices. >>>>>>>> >>>>>>>> TH >>>>>>> >>>>>>> You have still not even tried to answer my questions: >>>>>>> >>>>>>> 1. Do you think that "time" must be measurable to have >>>>>>> a meaning in engineering? >>>>>>> >>>>>>> 2. What is the instrument that engineers use to measures time? >>>>>> >>>>>> >>>>>> They all use the sun as the instrument. It will be ready on Sunday. >>>>>> check your calender...when you wake up, change the page on your >>>>>> calender to the next day. All clocks give solar time. >>>>> >>>>> >>>>> Actually wrong, because the apparent movement of the Sun across the sky >>>>> is caused by Earth' rotation. >>>>> >>>>> So: sun dials use the Earth' rotation, too. >>>>> ... >>>>> >>>>> >>>>> TH >>>> >>>> I forgot about rotate time. >>> >>> But the earth has no force of it's own to rotate around the sun...so >>> something else is happening here...it is the sun that rotates the >>> earth to keep solar time. >> >> But you are probaly using the wrong word, you must mean the earth >> ...spins. > > Let me put it this way.. > > a sundial is not a earth clock, it's a sun clock. > > It measures the shadow of the sun...a solar solar clock. > > Not an earth clock. NO!!! The shadow moves at the sun-clock, because the Earth rotates (not the Sun). This is why a sun-clock measures actually Earth' rotation (in respect to the Sun).> > All time on earth is determined by the Sun. > > So, if the sun is up there... > > or over there.. > > or on the otherside.. > > Why do you confuse an earth clock with Time? Sun time?? > > > A earth clock is just a highly sophiscated sundial... > > I'm not even sure the sun is trying to tell you what time it is. ???? TH
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Rate of Change Street <street@shellcrash.com> - 2025-07-27 11:14 +0000
Re: Rate of Change Willilam Babuh <bim@aimwi.ru> - 2025-07-27 11:39 +0000
Re: Rate of Change nospam@de-ster.demon.nl (J. J. Lodder) - 2025-07-27 13:59 +0200
Re: Rate of Change Maciej Woźniak <mlwozniak@wp.pl> - 2025-07-27 18:03 +0200
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-07-28 20:27 +0200
Re: Rate of Change "Paul.B.Andersen" <relativity@paulba.no> - 2025-07-30 22:33 +0200
Re: Rate of Change Maciej Woźniak <mlwozniak@wp.pl> - 2025-07-31 06:03 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-07-30 22:56 -0700
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-07-31 23:27 -0700
Re: Rate of Change nospam@de-ster.demon.nl (J. J. Lodder) - 2025-08-01 09:50 +0200
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-07-31 08:43 +0200
Re: Rate of Change "Paul.B.Andersen" <relativity@paulba.no> - 2025-07-31 22:16 +0200
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-01 09:53 +0200
Re: Rate of Change "Paul.B.Andersen" <relativity@paulba.no> - 2025-08-01 22:31 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-01 23:42 -0700
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-02 10:11 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-01 23:45 -0700
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-02 10:04 +0200
Re: Rate of Change "Paul.B.Andersen" <relativity@paulba.no> - 2025-08-02 11:36 +0200
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-03 08:06 +0200
Re: Rate of Change Edmund Balanovski <bmesnl@akvdb.ru> - 2025-08-03 09:54 +0000
Re: Rate of Change "Paul.B.Andersen" <relativity@paulba.no> - 2025-08-03 22:35 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-03 22:05 -0700
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-04 09:06 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-04 09:11 -0700
Re: Rate of Change squalk <sq@net.inv> - 2025-08-04 18:01 +0100
Re: Rate of Change Python <jp@python.invalid> - 2025-08-04 17:23 +0000
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-04 12:40 -0700
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-04 22:43 -0700
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-05 09:46 -0700
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-05 21:30 -0700
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-07 10:12 -0700
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-10 06:20 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-10 23:34 -0700
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-12 08:55 +0200
Re: Rate of Change Marcelino Valchikovsky <vch@kosiea.ru> - 2025-08-12 08:19 +0000
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-15 10:29 -0700
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-16 07:23 +0200
Re: Rate of Change Bubba Kalimahi <mkiu@miiibak.ru> - 2025-08-16 10:34 +0000
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-17 10:30 +0200
Re: Rate of Change Bowen Metrofanis <nomo@sbbeww.gr> - 2025-08-17 13:07 +0000
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-18 09:13 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-17 22:17 -0700
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-18 09:39 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-20 01:07 -0700
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-04 08:59 +0200
Re: Rate of Change "Paul.B.Andersen" <relativity@paulba.no> - 2025-08-04 11:51 +0200
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-04 09:17 -0700
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-04 09:24 -0700
Re: Rate of Change Percival Dudorov <duadc@dlo.ru> - 2025-08-04 14:33 +0000
Re: Rate of Change Thomas Heger <ttt_heg@web.de> - 2025-08-05 09:00 +0200
Re: Rate of Change Johnathon Babadzhanov <nbnz@daa.ru> - 2025-08-05 11:51 +0000
Re: Rate of Change Moshe Stavropoulos <eeou@svh.gr> - 2025-07-31 16:08 +0000
Re: Rate of Change Julio Di Egidio <julio@diegidio.name> - 2025-07-31 19:54 +0200
Re: Rate of Change Ross Finlayson <ross.a.finlayson@gmail.com> - 2025-07-27 07:47 -0700
Re: Rate of Change Ross Finlayson <ross.a.finlayson@gmail.com> - 2025-12-08 13:02 -0800
Re: Rate of Change ram@zedat.fu-berlin.de (Stefan Ram) - 2025-07-27 15:04 +0000
Re: Rate of Change ram@zedat.fu-berlin.de (Stefan Ram) - 2025-07-27 15:11 +0000
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-07-27 11:05 -0700
Re: Rate of Change The Starmaker <starmaker@ix.netcom.com> - 2025-08-02 10:15 -0700
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