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Groups > sci.physics.relativity > #665390
| From | Thomas Heger <ttt_heg@web.de> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Rate of Change |
| Date | 2025-08-04 09:06 +0200 |
| Message-ID | <mfb49dF17h4U2@mid.individual.net> (permalink) |
| References | (8 earlier) <mf5uuhF5dsvU1@mid.individual.net> <106km6v$vq91$1@dont-email.me> <mf8cd5Fhd76U8@mid.individual.net> <106oh5o$1ptoq$1@dont-email.me> <fgf09kd5qhlnhis2kkkrq4bjevbqejbh99@4ax.com> |
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
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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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