Actually the ESA observations confirmed the prior Fermi Telescope
observations that spacetime is smooth at and beyond the Planck scale


On Thu, Oct 31, 2013 at 3:54 AM, Bruno Marchal <marc...@ulb.ac.be> wrote:

>
> On 30 Oct 2013, at 08:32, Chris de Morsella wrote:
>
> Bruno ~ I believe Quantum loop gravity depends on a fine grain structure
> existing in spacetime.
>
>
> Yes. I agree. I find this natural with GR and QM, but comp imposes some
> continuum, and if it is given by space, that would simplify the recovering
> of physics from arithmetic. (cf UDA-7).
>
>
>
> These results would seem to falsify it therefore. Spacetime on the very
> small scale appears to be smoothly continuous. I would like to see these
> results reconfirmed though;
>
>
> Me too.
>
>
> not casting doubt on the experimental methodology or the ESA  science
> team. Quite the opposite I think it is an elegant and powerful leveraging
> down into being able to make inferences about scales I believed would be
> almost forever out of our reach.****
> Kind of makes one speculate – and I do that easily LOL – if any similar
> type experiments could be devised to measure properties of high energy
> photons that have traversed enormous distances of spacetime in order to
> perhaps determine if those vibrating strings and things are more than
> beautiful math. What amazes me is how they were able to use the lever of
> the vast distances traversed by these high energy photons and very
> accurately measure properties of these photons and be able to use the vast
> distance itself like a kind of lever to be able to infer this about a scale
> that is so far beyond anything that we can directly measure or discern that
> it might as well have been in some elfin land of middle earth.
>
>
> I agree. I am far from being an experimentalist, and cannot judge the
> accuracy of such incredible experiments, so I wait for more data and more
> confirmations to have a sort of local opinion on this.
>
> Bruno
>
>
>
>
> ****
> -Chris****
> ** **
> *From:* everything-list@googlegroups.com [
> mailto:everything-list@googlegroups.com <everything-list@googlegroups.com>
> ] *On Behalf Of *Bruno Marchal
> *Sent:* Tuesday, October 29, 2013 10:43 AM
> *To:* everything-list@googlegroups.com
> *Subject:* Re: Universe from Pixels?****
> ** **
> ** **
> On 29 Oct 2013, at 17:12, Chris de Morsella wrote:****
>
>
> ****
> If true – ESA experimental measurements of the polarization of ranges of
> gamma rays (over a range of energies) from very distant gamma ray bursts
> that have travelled across billions of light years of spacetime to reach
> earth. Their experiments determined that spacetime does not have a granular
> structure, which would have had a measurable effect on the polarization of
> these distant gamma rays, down to a level of 10^-48 m (which is exceedingly
> small)) trillions of times smaller than the Planck scale.****
> Spacetime does not appear to be granular – at least down to these
> incredibly small scales. These results have lead me to question any
> hypothesis that seems to depend on spacetime having a discreet granular
> structure.****
> ** **
> Do you know if those are the results considered as "refuting" "loop
> gravity"?****
> ** **
> In fact, I find intuitive that a quantized gravitation lead to a
> quantization of space-time curvature, and itself, but comp seems to fit
> better with continuous space time, as it multitplies the comp-histories in
> a very smooth way.****
> In the universal dovetailing, the winner "universal subdovetailers on the
> programs defined on some "rich ring" structure, might be the winner, but of
> course that remains to be shown.****
> ** **
> Those questions are very hard.****
> ** **
> Bruno****
> ** **
> ** **
> ** **
>
>
> ****
>  ****
> *From:* everything-list@googlegroups.com [
> mailto:everything-list@googlegroups.com <everything-list@googlegroups.com>
> ] *On Behalf Of *spudboy...@aol.com
> *Sent:* Tuesday, October 29, 2013 7:04 AM
> *To:* everything-list@googlegroups.com
> *Subject:* Universe from Pixels?****
>  ****
> Here is a link, which makes things seem very, curious, if true.****
>  ****
>
> http://www.dailygalaxy.com/my_weblog/2013/10/our-universe-is-made-up-of-indivisible-building-blocks-like-tiny-atoms.html#more
> ****
>  ****
>  ****
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