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X-Received: by 2002:a05:6214:18f3:b0:63c:fe6e:bb4 with SMTP id ep19-20020a05621418f300b0063cfe6e0bb4mr232141qvb.0.1695123608723; Tue, 19 Sep 2023 04:40:08 -0700 (PDT) X-Received: by 2002:a05:6808:1829:b0:3a4:24bc:125f with SMTP id bh41-20020a056808182900b003a424bc125fmr5340908oib.1.1695123608338; Tue, 19 Sep 2023 04:40:08 -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: Tue, 19 Sep 2023 04:40:07 -0700 (PDT) In-Reply-To: <iGVe-0SHfspHKzN7FdWRWg4slJw@jntp> Injection-Info: google-groups.googlegroups.com; posting-host=2001:861:8bb7:5500:4ce0:ce54:f72a:becd; posting-account=PKzfqAoAAAC4-vQRW_wt6WFB3xnoeWfi NNTP-Posting-Host: 2001:861:8bb7:5500:4ce0:ce54:f72a:becd References: <iGVe-0SHfspHKzN7FdWRWg4slJw@jntp> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <c035ff67-a79d-4bf8-ac36-ca9038474112n@googlegroups.com> Subject: Re: Comprendre la notion de contraction des longueurs. From: "fr.sci.physique" <rverret97@gmail.com> Injection-Date: Tue, 19 Sep 2023 11:40:08 +0000 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bytes: 1955 Lines: 10 Le 19/09/2023 =C3=A0 10:49, Python a =C3=A9crit : >> [snip d=C3=A9bilit=C3=A9s sans nom] Oh, mais moi aussi j=E2=80=99ai eu des difficult=C3=A9s =C3=A0 comprendre q= u=E2=80=99il y a deux mondes, un monde r=C3=A9el o=C3=B9 les lois de la phy= sique sont valables, comme je vous l=E2=80=99ai montr=C3=A9 pour la cin=C3= =A9matique =E2=80=94les lois de la dynamique le sont =C3=A9galement=E2=80= =94 et le monde dans lequel nous vivons, celui que nous percevons. Le monde perceptible (par les ondes =C3=A9lectromagn=C3=A9tiques) est une s= ph=C3=A8re sp=C3=A9cifique =C3=A0 chaque observateur, le monde r=C3=A9el es= t un espace euclidien isomorphe =C3=A0 R6 commun =C3=A0 tous les observateu= rs.