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X-Received: by 2002:a05:620a:1b86:b0:76d:7267:2582 with SMTP id dv6-20020a05620a1b8600b0076d72672582mr70454qkb.7.1695326723671; Thu, 21 Sep 2023 13:05:23 -0700 (PDT) X-Received: by 2002:a05:6808:3094:b0:3ab:9bb9:2399 with SMTP id bl20-20020a056808309400b003ab9bb92399mr3353177oib.10.1695326723255; Thu, 21 Sep 2023 13:05:23 -0700 (PDT) Path: ...!news-out.google.com!nntp.google.com!postnews.google.com!google-groups.googlegroups.com!not-for-mail Newsgroups: fr.sci.physique Date: Thu, 21 Sep 2023 13:05:22 -0700 (PDT) In-Reply-To: <fbef79fb-3601-4cb4-ba38-ef14543d1437n@googlegroups.com> Injection-Info: google-groups.googlegroups.com; posting-host=37.170.70.11; posting-account=1qbAGAkAAADcUtlizzXUEb5jUjfAdE2y NNTP-Posting-Host: 37.170.70.11 References: <vSE3fs-ogbohSS78qeTIXhMc5Ms@jntp> <fbef79fb-3601-4cb4-ba38-ef14543d1437n@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <528836ec-b682-468a-9cc2-5d1bba2f0fe8n@googlegroups.com> Subject: =?UTF-8?Q?Re=3A_Comment_synchroniser_correctement_un_r=C3=A9f=C3=A9renti?= =?UTF-8?Q?el=3F?= From: Yanick Toutain <yanicktoutain@gmail.com> Injection-Date: Thu, 21 Sep 2023 20:05:23 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bytes: 2027 Lines: 14 Le jeudi 21 septembre 2023 =C3=A0 21:52:01 UTC+2, Richard Verret a =C3=A9cr= it=C2=A0: > Le 21/09/2023 =C3=A0 20:52, Richard Hachel a =C3=A9crit :=20 > > C'est de l=C3=A0 qu'est n=C3=A9 le fameux paradoxe de Langevin.=20 > >=20 > > Le paradoxe de Langevin consiste en ceci :=20 > > Lorsque deux protagonistes (Stella et Terrence) =C3=A9voluent dans des = r=C3=A9f=C3=A9rentiels diff=C3=A9rents leurs montres=20 > > battent r=C3=A9ciproquement et r=C3=A9ellement plus vite que l'autre mo= ntre. > Mais r=C3=A9fl=C3=A9chis une minute dans ta t=C3=AAte. Qu=E2=80=99est-ce = qui se passe si deux coureurs vont, tous les deux, plus vite l=E2=80=99un q= ue l=E2=80=99autre ? Des coureurs relativistes ?