Path: ...!Xl.tags.giganews.com!local-2.nntp.ord.giganews.com!news.giganews.com.POSTED!not-for-mail
NNTP-Posting-Date: Sat, 29 Jun 2024 04:11:30 +0000
Subject: Re: Einstein's second mass-energy formula m'/m = e/c^2
Newsgroups: sci.physics.relativity
References: <eN6cnRy1afc0GuL7nZ2dnZfqnPednZ2d@giganews.com>
From: Ross Finlayson <ross.a.finlayson@gmail.com>
Date: Fri, 28 Jun 2024 21:11:55 -0700
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101
 Thunderbird/38.6.0
MIME-Version: 1.0
In-Reply-To: <eN6cnRy1afc0GuL7nZ2dnZfqnPednZ2d@giganews.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Message-ID: <KDKdnarg5JDvFOL7nZ2dnZfqnPiWy52d@giganews.com>
Lines: 31
X-Usenet-Provider: http://www.giganews.com
X-Trace: sv3-E54NuABIUkEAja6wmUQaTurEY6KpcL4yNdmhhDwHeoW3p4HpGbcbKIEXXOhPGxxTU0wPskdY3XoWH7a!DfP3td2kiwgM6Sz4i9QW/7X+K4PsMdCSaXl+t74teAyJqZ8Ajo7LNhV8ZHEuutHJlGasM7ym8a4m
X-Complaints-To: abuse@giganews.com
X-DMCA-Notifications: http://www.giganews.com/info/dmca.html
X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers
X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly
X-Postfilter: 1.3.40
Bytes: 2196

On 06/28/2024 09:04 PM, Ross Finlayson wrote:
> In "Out of My Later Years", Einstein's introduces another
> mass-energy equivalence formula after kinetic terms.
>
> So if it's sort of Einstein's second-most famous formula,
> why hasn't anybody heard of it?
>
> m'/m = e/c^2
>
> It introduces that the terms in the rotational, make
> for that mass-energy equivalence only sits in the
> rotational setting, among all the other usual terms.
>
> It's introduced in a brief note near the end of
> the material on science in Einstein's "Out of My
> Later Years".
>
> It really makes for a sort of way to make it so
> that the space-contraction results real while
> also that the linear is rather Galilean, while
> still fulfilling all the usual derivations, if
> not necessarily the rhetoric or intuitions,
> yet very intuitionistically while all formally.
>
>
> It's pretty great I wonder why it's not well-known.
>

https://en.wikipedia.org/wiki/Lorentz_factor