Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Mikko <mikko.levanto@iki.fi>
Newsgroups: sci.physics.relativity
Subject: Re: In 1911, EInstein thought that photons had mass. Still in use 123 years after,
Date: Tue, 17 Sep 2024 09:10:49 +0300
Organization: -
Lines: 25
Message-ID: <vcb6h9$3ce3s$1@dont-email.me>
References: <b0788923a07a14a4d1cd494533f4ae12@www.novabbs.com> <vc8pel$2o5d3$1@dont-email.me> <61eaf4a368cca7b9a7dc0b0f3bf8f3ee@www.novabbs.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 8bit
Injection-Date: Tue, 17 Sep 2024 08:10:50 +0200 (CEST)
Injection-Info: dont-email.me; posting-host="5f858832c21fe79025b1442dcd26ba83";
	logging-data="3553404"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX19j76YzEPIbcOJ5c0MVDp1R"
User-Agent: Unison/2.2
Cancel-Lock: sha1:JIIfX4kXOsbyUWWOEYh7r+kyiFI=
Bytes: 1869

On 2024-09-16 16:32:40 +0000, rhertz said:

>> ************************************************************************
>> On 2024-09-14 03:31:43 +0000, rhertz said:
>> 
>> 
>>> This is an extract from the 1911 paper:
>>> On the Inuence of Gravitation on the Propagation of Light
>> 
>> 
>> After 1911 much has been found out about gravitation and photons.
>> Better ways to present what was already known have also been developed.

> Actually, those "Better ways to present what was already known have also
> been developed." are ALL THE SAME, expressed in similar but equivalent
> ways to the 1911 Postulate.

Of couse an presentation must be essentially the same as another
presentation of the same thing. If there are differences other
that presentational it is no longer a presentation of the same
thing.

-- 
Mikko