Path: csiph.com!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: The Starmaker Newsgroups: sci.physics.relativity Subject: Re: Space-time interval (2) Date: Tue, 03 Sep 2024 17:13:34 -0700 Organization: The Starmaker Organization Lines: 58 Message-ID: <66D7A62E.3F37@ix.netcom.com> References: <0a12eb82ccef999ddcb46a79123c6815@www.novabbs.com> Reply-To: starmaker@ix.netcom.com MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Injection-Date: Wed, 04 Sep 2024 02:13:16 +0200 (CEST) Injection-Info: dont-email.me; posting-host="95cf3290d541cb2fa649c1f0fbb21ad9"; logging-data="3710912"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX19bDap/i0L+QBL64Ww5kLE1sR/Uo+sT8Y8=" Cancel-Lock: sha1:rLXJ2kq5sXFesuAuGUXVzBjTb3w= X-Antivirus: Avast (VPS 240903-6, 09/03/2024), Outbound message X-Mailer: Mozilla 3.04Gold (WinNT; U) X-Antivirus-Status: Clean Xref: csiph.com sci.physics.relativity:656732 JanPB wrote: > > On Mon, 12 Aug 2024 17:35:41 +0000, Richard Hachel wrote: > > > The notion of space-time interval should be abandoned because it is > > complex and leads to nothing, except final errors. > > What is the space-time interval? > > A metric, measured in meters. > > It is mostly an abstract thing that is not very useful. > > So we set ds²=dl²-c²t². > > Why and for WHAT? > > For nothing. > > For fun. > > What you write is not even wrong, it's gobbledygook. It's like saying > that Newton was wrong because he used vectors or Hamilton was > wrong because he used characteristics. > > > Hachel notation is much more practical, > > Stop wasting your life on asinine fantasies. Face it: you > cannot do physics, it's not the end of the world. I cannot > play Beethoven sonatas. I survived. > > -- > Jan It is not a good idea to learn piano from people with ...autism. Why would you bother to learn piano from someone that's sick in the head???? they are playing piano with a marked deck.. Chopin had a smaller piano then everyone else... it's easier to move your fingers if the keys are closer together. but what would you know...you wasted time on ...Relativity, by another austistic person. i think you're attracted to ...sick people. are you sick too???? Jan, Personal Best, gimme a break! rubbish! -- The Starmaker -- To question the unquestionable, ask the unaskable, to think the unthinkable, mention the unmentionable, say the unsayable, and challenge the unchallengeable.