Re: May be of interest

2015-07-12 Thread Bruno Marchal


On 11 Jul 2015, at 07:35, LizR wrote:


http://arstechnica.co.uk/science/2015/06/relativitys-time-dilation-may-limit-the-quantum-world/



That paper might put Roger Penrose in the superposition state Happy +  
Not-Happy.


Happy because, simplifying a little bit, the paper would show that  
gravitation do collapse the wave, after all.


Not-Happy, because it shows this in a mechanical way without  
contradicting the linearity (of evolution and tensor product), so if  
the experiment confirms this, it would add evidences on the many- 
universe idea. They would just already differentiate along the time  
dilation. The multiverse would be multi-curvatures.


Good news, also,  to learn that Dark Matter might self-interact. It  
makes it a bit more ... familiar.

http://arstechnica.com/science/2015/04/new-evidence-that-dark-matter-could-be-self-interacting/

I guess it will take time before we can compare what we take as  
physical and geographical around us by extrapolation from observation,  
and what can be physical and geographical around Universal Turing  
Machine.


Bruno




http://iridia.ulb.ac.be/~marchal/



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RE: May be of interest

2015-07-11 Thread 'Chris de Morsella' via Everything List
Nice articles, Liz and thanks for sharing them. I agree with the first articles 
supposition that infinitely bent spacetime seems more like an artifact of 
theoretical breakdown than a reflection of how the fabric of reality actually 
behaves (under extreme conditions) – infinities in general are indicative of 
missing (or inaccurate) theory. My hats off to these experimentalists; finding 
(and proposing) new clever levers to unveil what seemed impossible for us to 
ever know.

From: everything-list@googlegroups.com 
[mailto:everything-list@googlegroups.com] On Behalf Of LizR
Sent: Friday, July 10, 2015 10:35 PM
To: everything-list@googlegroups.com
Subject: May be of interest

 

http://arstechnica.com/science/2015/03/testing-general-relativity-using-x-rays/

http://arstechnica.com/science/2015/04/new-evidence-that-dark-matter-could-be-self-interacting/

http://arstechnica.co.uk/science/2015/06/relativitys-time-dilation-may-limit-the-quantum-world/

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May be of interest

2015-07-10 Thread LizR
http://arstechnica.com/science/2015/03/testing-general-relativity-using-x-rays/

http://arstechnica.com/science/2015/04/new-evidence-that-dark-matter-could-be-self-interacting/

http://arstechnica.co.uk/science/2015/06/relativitys-time-dilation-may-limit-the-quantum-world/

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