Re: What is Ether?
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Re: What is Ether?         

Group: alt.philosophy · Group Profile
Author: knucmo
Date: May 28, 2008 07:35

On 28 May, 01:29, "N:dlzc D:aol T:com \(dlzc\)" cox.net> wrote:
> Dear knucmo:
>
> "knucmo" hotmail.com> wrote in message
>
> news:da9d9066-13fb-49bf-9f86-d7a173311dbf@p25g2000hsf.googlegroups.com...
>
>> On 20 Apr, 15:20, Sanny hotmail.com> wrote:
>>> Ether is something present everywhere
>
>> Aether is nothing - if the Michelson-Morley
>> experiment is anything to go by.
>
> MMX disproves an aether that is medium to propagation of light,
> separate from propagation of matter.

True, but subsequent developments rule out your options below:
> It does nothing for a dragged aether

Special relativity predicts the result of the experiment devised by
Fiseau (interferometer experiment) with no need of the aether concept.
> a Lorentz aether

Which Einstein criticised as being ad hoc, and:

'What is fundamentally new in the ether of the general theory of
relativity as opposed to the ether of Lorentz consists in this, that
the state of the former is at every place determined by connections
with the matter and the state of the ether in neighbouring places,
which are amenable to law in the form of differential equations;
whereas the state of the Lorentzian ether in the absence of
electromagnetic fields is conditioned by nothing outside itself, and
is everywhere the same.'
> or (of
> course) no aether.
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