On 10 Jan 2013, at 14:10, Roger Clough wrote:

Hi Bruno Marchal

Spacetime is physical, but space is not and time is not.
That is, according to Descartes, Kant, Leibniz, and Einstein.

That's why I find it hard to accept the revisionist view
that the former interpretation of the M-M experiment,
that there is no aether, is now obsolete.


See my early comment on the physical.

I define the physical by the relatively observable, and this is defined in term of number relations (and collection of number relations). It generalizes relativity theory (like I think QM-Everett already does). In the wiki quote, there is an idea that the quantum vacuum is a sort of aether. I cannot judge as I have no idea of what aether means. There is a suggestion that Dark matter is aether. Well, I have no idea what Dark matter but then it took me 40 years to figure out what matter can be, and not be. We will see. I am not advocating any truth. I just try to share my fascination that with some special hypothesis we can use math to put light on all this. The first shock should be the realization that we are still very ignorant on the fundamental matters.

Bruno





[Roger Clough], [rclo...@verizon.net]
1/10/2013
"Forever is a long time, especially near the end." - Woody Allen
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