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Spacetime - a Superfluid, and That Could Help Explain Gravity?

 
 
Reply Thu 19 Jun, 2014 04:07 pm
http://www.pbs.org/wgbh/nova/next/physics/spacetime-might-superfluid-help-explain-gravity/?utm_source=facebook&utm_medium=pbsofficial&utm_campaign=nova_next
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Type: Discussion • Score: 9 • Views: 1,088 • Replies: 11
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rosborne979
 
  2  
Reply Thu 19 Jun, 2014 05:01 pm
@edgarblythe,
Looks like another in a long list of "could be" 's.
0 Replies
 
mark noble
 
  1  
Reply Thu 19 Jun, 2014 08:13 pm
Gravity is elementary. Composition of elementary particles determines gravitational force. The gravity of any elementary particle differs by degree of identity.
No two particles have the same gravity - although all (seemingly) identical particles will appear to have the same gravity - At the sub-quantum level they will vary (slightly) to us - massively to any observer at or below that level.

0 Replies
 
chai2
 
  1  
Reply Thu 19 Jun, 2014 09:34 pm
bookmark
0 Replies
 
neologist
 
  1  
Reply Sun 22 Jun, 2014 08:37 pm
@edgarblythe,
Is this fluid luminiferous?
edgarblythe
 
  2  
Reply Sun 22 Jun, 2014 08:38 pm
@neologist,
What do you think I am, some kind of know-stuff-guy?
neologist
 
  1  
Reply Sun 22 Jun, 2014 08:42 pm
@edgarblythe,
When I was in college, some guys used to have ether drunks. (Not me of course. Very Happy)

It seemed to me they became luminiferous.
0 Replies
 
neologist
 
  1  
Reply Sun 22 Jun, 2014 08:43 pm
@edgarblythe,
Sorry to have lowered the level.
I was thinking of something else.
edgarblythe
 
  1  
Reply Sun 22 Jun, 2014 08:46 pm
@neologist,
Don't worry. The thread seems dead anyway.
0 Replies
 
tsarstepan
 
  1  
Reply Mon 23 Jun, 2014 09:49 am
@neologist,
neologist wrote:

Is this fluid luminiferous?

Wrong question. The right question is:
Can this fluid be used to brew craft beer?
dalehileman
 
  1  
Reply Mon 23 Jun, 2014 11:42 am
@edgarblythe,
I've always thought of gravity as the effect of space "pushed aside" by matter

--which might help explain recent discoveries suggesting that a grav field moves at the speed of light

--but which might not
0 Replies
 
neologist
 
  1  
Reply Mon 23 Jun, 2014 12:06 pm
@tsarstepan,
neologist wrote:
Is this fluid luminiferous?
tsarstepan wrote:
Wrong question. The right question is:
Can this fluid be used to brew craft beer?
Would that be Brewminiferous?
0 Replies
 
 

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