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So what exactly does it mean when the Fine Structure Constant changes ?

 
Anonymous Coward
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11/18/2011 11:08 AM
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So what exactly does it mean when the Fine Structure Constant changes ?
I know somebody here has the answers, there are so many knowing people here.
Anonymous Coward
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11/18/2011 11:10 AM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
I know somebody here has the answers, there are so many knowing people here.
 Quoting: Anonymous Coward 1855758



Google is your friend.

n physics, the fine-structure constant (usually denoted α, the Greek letter alpha) is a fundamental physical constant, namely the coupling constant characterizing the strength of the electromagnetic interaction. Being a dimensionless quantity, it has constant numerical value in all systems of units. Arnold Sommerfeld introduced the fine-structure constant in 1916.

The current recommended value of α is 7.2973525698(24)×10−3 = 1/137.035999074(44).
Anonymous Coward
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11/18/2011 11:10 AM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
[link to en.wikipedia.org]

more stuff here
Anonymous Coward
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11/18/2011 11:13 AM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
It means a massive new project needs to be started in order to investigate this anomalous result... & that gives leverage when asking for funding & research grants.
oh cynical me!

yeahsure
Anonymous Coward (OP)
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11/18/2011 11:18 AM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
I know somebody here has the answers, there are so many knowing people here.
 Quoting: Anonymous Coward 1855758



Google is your friend.

n physics, the fine-structure constant (usually denoted α, the Greek letter alpha) is a fundamental physical constant, namely the coupling constant characterizing the strength of the electromagnetic interaction. Being a dimensionless quantity, it has constant numerical value in all systems of units. Arnold Sommerfeld introduced the fine-structure constant in 1916.

The current recommended value of α is 7.2973525698(24)×10−3 = 1/137.035999074(44).
 Quoting: Anonymous Coward 5616095


It says that it's dependant on measurement.
Anonymous Coward (OP)
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11/18/2011 11:31 AM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
So ,..measurements are approximations with a degree of uncertainty, ..so why all the ruffled feathers over it ?
Anonymous Coward (OP)
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11/18/2011 12:03 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
bump
Chrit

User ID: 1302953
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11/18/2011 12:49 PM

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Re: So what exactly does it mean when the Fine Structure Constant changes ?
Thread: New Physics? Fundamental Cosmic Constant Now Seems Shifty
I'm only human, it's my biggest flaw.

We must all realize a sink a chair and a pillow are all luxuries of home and a soldiers helmet takes the place of all three.
Anonymous Coward (OP)
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11/18/2011 01:04 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?


That thread does not address uncertainty in emperical measurements.
Anonymous Coward
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11/18/2011 01:12 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?


That thread does not address uncertainty in emperical measurements.
 Quoting: Anonymous Coward 1855758


Do you think that is why they have found the alpha constant is not universal? Because they did not adjust findings for a possible empirical uncertainty?

Maybe. If I find you the actual research paper on the findings, will you know what emperical uncertainty to look for?
Chrit

User ID: 1302953
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11/18/2011 01:15 PM

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Re: So what exactly does it mean when the Fine Structure Constant changes ?
They don't address a lot of things. Measured time is not a constant in it self. Neither is our reference point as the observer.


When they look out thousands of light years they are still looking at the past, not at the now... It's a good question you pose, go post it there someone will see it. I dont feal like going in to it in depth right now lol. Maybe later after more coffee!
I'm only human, it's my biggest flaw.

We must all realize a sink a chair and a pillow are all luxuries of home and a soldiers helmet takes the place of all three.
Chrit

User ID: 1302953
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11/18/2011 01:16 PM

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Re: So what exactly does it mean when the Fine Structure Constant changes ?
Oh good sickscent showed up ;)

I'm out for a while peace!
I'm only human, it's my biggest flaw.

We must all realize a sink a chair and a pillow are all luxuries of home and a soldiers helmet takes the place of all three.
Anonymous Coward (OP)
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11/18/2011 02:08 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?


That thread does not address uncertainty in emperical measurements.
 Quoting: Anonymous Coward 1855758


Do you think that is why they have found the alpha constant is not universal? Because they did not adjust findings for a possible empirical uncertainty?

Maybe. If I find you the actual research paper on the findings, will you know what emperical uncertainty to look for?
 Quoting: SickScent


cruise

Yeah, ok.

No, seriously ?

Explain your surprise that it's not constant when it's an emperical measurement and emperical measurements will always be approximations.

Says right on the wiki page why, yet you and quite a few make it out to be some big deal, when it's not.

There is a difference between measured values and calculated values in physics.

What are they SickScent ?
Anonymous Coward
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11/18/2011 02:16 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
It's all tentative...it's been assigned Sigma 3.5, wheras Sigma 5 is necessary for balls-on truth.
Anonymous Coward (OP)
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11/18/2011 02:33 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
It's all tentative...it's been assigned Sigma 3.5, wheras Sigma 5 is necessary for balls-on truth.
 Quoting: Anonymous Coward 1284302


That's what I thought, statistical in nature, meaningless without multiple conformations by multiple parties. I just didn't see the big deal that people here made out yesterday.

The only things I read about it were articles stating it meant the possibility that the FSC was different in other parts of the cosmos in the early years, hence allowing anisotropic vs isotropic emergence of life.
Anonymous Coward
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11/18/2011 02:39 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
lol

Space.com made a big deal out of it to. Why don't you email them with your concerns?

Also, you sound very much like a troll. You already have made up your mind.
Anonymous Coward (OP)
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11/18/2011 02:53 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
lol

Space.com made a big deal out of it to. Why don't you email them with your concerns.
 Quoting: SickScent


Sure, everybody made a big deal out it, but unless it's corroborated many times, it really is no big deal.

So, if emperical measurements are approximations, and measurements never perfectly represent what's being measured, then the fact a measured value deviates from a calculated and predicted value is why we have statistical methods.

Where's the big problem ?

How does any of that invalidate Planck's constant, for example ? Wasn't that a claim made on your thread ?

No reason to get bent out of shape buddy, I'm just looking for an explanation of why it's such a big deal statistical measurements are " shifty ".
Anonymous Coward
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11/18/2011 03:42 PM
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Re: So what exactly does it mean when the Fine Structure Constant changes ?
Everything is in flux. Remember. Long time ago. The idea there were some things fixed and never change is a ideological question. There is a lot of people who's imagination of living and philosophy depend on that idea, there were fundamentals which do not vary.

Besides, relative newly theory of resolution gets more accurateness.

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