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Path: ...!weretis.net!feeder8.news.weretis.net!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: Thomas Heger <ttt_heg@web.de> Newsgroups: sci.physics.relativity Subject: Re: Spacetime Date: Tue, 25 Jun 2024 21:41:34 +0200 Lines: 41 Message-ID: <le0krbF2j9cU1@mid.individual.net> References: <46633b77bddb3b8bcf79567060ac4687@www.novabbs.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Trace: individual.net H1xiQXxhyiqswRYwHo630Q7sGpdJ+LCAQPtYRd4XEyZwlJAOXm Cancel-Lock: sha1:mI6eUwp0TU/Y3p9CxrIcHYA26EI= sha256:NL173f7oYwkH+fu7UYpcnFeQdQdauPpsFQACzg3uj9E= User-Agent: Mozilla Thunderbird Content-Language: de-DE In-Reply-To: <46633b77bddb3b8bcf79567060ac4687@www.novabbs.com> Bytes: 2259 Am Dienstag000025, 25.06.2024 um 14:20 schrieb gharnagel: > “spacetime is likely to be an approximate description of > something quite different.” – Steven Carlip > > It's interesting how most physicists describe spacetime > as an actual "fabric." It's really a mental model that > may not have any existence at all. The equations of > relativity describe what actually happens quite well, > but the "fabric" of spacetime may be an invention. > > I think the things that are real are THINGS. I find the > basic concept of string theory very compelling: that is, > elementary particles are not points as the standard model > posits. In the real world there are no such things as > dimensionless points. It's a very good assumption because > the string theory particles are way smaller than we can > detect, but presuming elementary particles have extension > in space is surely correct, even though strings may not be. My own view: spacetime is real and particles are not. As 'proof of concept' I had effects, where seeminly matter comes from nothing or disappears without a trace. Examples for 'matter out of nothing': 'magic dust' Growing Earth Matter is something I tried to explain as 'timelike stable patterns' (of/in spacetime). See my 'book' about this idea: https://docs.google.com/presentation/d/1Ur3_giuk2l439fxUa8QHX4wTDxBEaM6lOlgVUa0cFU4/edit?usp=sharing TH ....