Path: csiph.com!aioe.org!.POSTED!not-for-mail From: The Starmaker Newsgroups: sci.physics.relativity Subject: Re: Why is there more than one explanation for the Twin Paradox Date: Mon, 21 Aug 2017 11:07:17 -0700 Organization: Aioe.org NNTP Server Lines: 30 Message-ID: <599B2155.5DDD@ix.netcom.com> References: <1cb6775d-d2c1-498b-9576-088e3e7ed2be@googlegroups.com> <4790542.Sb9uPGUboI@PointedEars.de> <587d73ca-c675-4557-99a1-0d85d758a1ff@googlegroups.com> <0a540f5f-3cbc-4851-b3e6-f5e0554d4466@googlegroups.com> <5752f78d-73ce-4af2-bc10-3554845e70f0@googlegroups.com> <2f9d5b32-1908-4e2b-974d-c887e670b447@googlegroups.com> <32aafcb3-75e1-4729-b0f6-264134a60909@googlegroups.com> <2671e131-36b0-4c20-bd09-c4cf4769e6f0@googlegroups.com> Reply-To: starmaker@ix.netcom.com NNTP-Posting-Host: X9ItFNC7Zcz4l6MobL/YRA.user.gioia.aioe.org Mime-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit X-Complaints-To: abuse@aioe.org X-Notice: Filtered by postfilter v. 0.8.2 X-Antivirus: Avast (VPS 170821-6, 08/21/2017), Outbound message X-Antivirus-Status: Clean X-Mailer: Mozilla 3.04Gold (WinNT; U) Xref: csiph.com sci.physics.relativity:429627 Paparios wrote: > > El lunes, 21 de agosto de 2017, 10:58:38 (UTC-3), Nicolaas Vroom escribió: > > On Saturday, 19 August 2017 22:05:01 UTC+2, Paparios wrote: > > > El sábado, 19 de agosto de 2017, 13:52:11 (UTC-3), Nicolaas Vroom escribió: > > > > > But they do, the reunited clocks are tested and sure enough they to > > > > > continue tick at the same rate. > > > > > > > > That is also my understanding > > > > The point is that the final readings are different, which implies that > > > > something must have happened inbetween. > > > > > > > > > > It has been explained before to you and this will be my last one. > > > Both clocks at the end of the gedanken show the accumulated reading > > > (total number of ticks) due to their respective paths through spacetime > > > and, since those path are clearly different, > > > those reading should also be different and they are. > > > > I understand that. Part of the problem is described at the pages 21 > > and 315 of the book GRAVITATION. > > The two figures are almost identical but they are not. > > The mathematics is the same, which makes it difficult. > > For me one problem is to calculate the path length in a real experiment i.e. > > how can you calculate the clock readings. > > On the contrary, in the case of the twin paradox (which is the subject of this thread) you do not need to calculate the clock readings (even if that is quite easy to do with >simple geometrical diagrams). You only need to compare the clocks readings when they reunite (the clocks then are side by side and you only need to look at the clocks displays). Which clock contains the correct time?