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Have physicists discovered dark matter ?


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#1    Saru

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Posted 20 February 2013 - 11:23 AM

Hard evidence for the existence of dark matter is expected to be announced within the next two weeks.

Huffington Post said:

Physicists may have finally found hard evidence for the existence of dark matter. And reports from the American Association for the Advancement of Science in Boston say the announcement could come within the next fortnight - if the data holds up.

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#2    Frank Merton

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Posted 20 February 2013 - 11:28 AM

We live in a golden age of physics.


#3    CrimsonKing

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Posted 20 February 2013 - 11:45 AM

View PostFrank Merton, on 20 February 2013 - 11:28 AM, said:

We live in a golden age of physics.

Quite true frank!The only downside to it is when we make these huge breakthroughs we first try to figure out a way to control it,then weaponize it.After that then we try to figure out other uses for its potential.

"If it is not advantageous,do not move.If objectives can not be attained,do not employ the army.Unless endangered do not engage in warfare.The ruler cannot mobilize the army out of personal anger.The general can not engage in battle because of personal frustration.When it is advantageous,move;when not advantageous,stop.Anger can revert to happiness,annoyance can revert to joy,but a vanquished state cannot be revived,the dead cannot be brought back to life." Sun-Tzu

#4    Twinkle Arora is back

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Posted 20 February 2013 - 01:24 PM

"But don't get too excited - he added the findings were a "small step" and doesn't anticipate a true understanding of dark matter for many years."

I am not too happy because they already in a way postulated this force earlier on in their physics model, indicating that it may exist then only the world and the observed phenomena may exist as we know it.

But then also if they completely prove it experimentally, its a good news.


#5    marcos anthony toledo

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Posted 20 February 2013 - 03:27 PM

This may be a desperate attempt to shore up a theroy for idelogical and dogmaic reasons basicly String Theroy.


#6    Frank Merton

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Posted 20 February 2013 - 03:29 PM

Oh I really doubt that.  These are scientists, not fundamentalist Christians.


#7    Frank Merton

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Posted 20 February 2013 - 03:30 PM

View PostTwinkle Arora is back, on 20 February 2013 - 01:24 PM, said:

"But don't get too excited - he added the findings were a "small step" and doesn't anticipate a true understanding of dark matter for many years."

I am not too happy because they already in a way postulated this force earlier on in their physics model, indicating that it may exist then only the world and the observed phenomena may exist as we know it.

But then also if they completely prove it experimentally, its a good news.
Your caution is merited; I don't understand your second paragraph.


#8    keithisco

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Posted 20 February 2013 - 03:52 PM

In the article Links it states: "How could it correctly describe the motion of the bodies in the Solar System, as Einstein's theory is known to do" when in fact it is Kepler and Newton that describe this, and it is their Maths that are used in Solar System exploration and extra planetary probes.

The article also states that Einstein was the first to propose that "Empty space" was not in fact empty. This is again incorrect, because in Victorian times, and even in Newtons era, a proposal was forwarded related to the "Aether"... something that prevented a perfect vacuum, and was ubiquitous, and made up of (unknown) particles that encompassed all.

Rant over: I hope there is something really exciting to come from this endeavour, but even the experimenters are not predicting Hard Evidence.


#9    keithisco

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Posted 20 February 2013 - 03:55 PM

View Postmarcos anthony toledo, on 20 February 2013 - 03:27 PM, said:

This may be a desperate attempt to shore up a theroy for idelogical and dogmaic reasons basicly String Theroy.

String Theory is not related to Dark Matter so I do not understand your comment.

@Frank Merton: why do you think that String Theory is anything to do with Christian Fundamentalism? You sound like a Luddite!!


#10    Frank Merton

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Posted 20 February 2013 - 03:57 PM

The aether was not conceived as a property of space but as something in space.  Your first objection borders on picking nits.  If classical physics is used to describe something, that is only because greater accuracy is not perceived as needed.


#11    Frank Merton

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Posted 20 February 2013 - 03:59 PM

Christian fundamentalists do the sort of thing you were suggesting, not scientists.


#12    bison

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Posted 20 February 2013 - 04:02 PM

Even just bits of information about the 80% of matter in the universe we can't see, and know practically nothing about seems a very important discovery.


#13    StarMountainKid

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Posted 20 February 2013 - 04:15 PM

marcos anthony toledo said:

This may be a desperate attempt to shore up a theroy for idelogical and dogmaic reasons basicly String Theroy.

lol String theorists seem to me to be like fundamentalists in a way in their enthusiasm for their theory. With no empirical evidence to back string theory up so far, it's almost a belief system.

That's my rant. As for dark energy, I'm looking forward to hearing the results of this study.

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#14    keithisco

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Posted 20 February 2013 - 04:16 PM

View PostFrank Merton, on 20 February 2013 - 03:57 PM, said:

The aether was not conceived as a property of space but as something in space.  Your first objection borders on picking nits.  If classical physics is used to describe something, that is only because greater accuracy is not perceived as needed.

NO... just wrong, it was considered to be fundamental to space.


#15    keithisco

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Posted 20 February 2013 - 04:17 PM

View PostFrank Merton, on 20 February 2013 - 03:59 PM, said:

Christian fundamentalists do the sort of thing you were suggesting, not scientists.

I am an atheist - and what you are suggesting is plain dumb - Christian Fundamentalists could not even concieve of String Theory, goes agains the Bible





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