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Physicists show that quantum ignorance is hard to expose
Centre for Quantum Technologies at the National University of Singapore ^ | July 31, 2011 | Unknown

Posted on 07/31/2011 7:28:30 AM PDT by decimon

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1 posted on 07/31/2011 7:28:32 AM PDT by decimon
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To: SunkenCiv

_ _ _ _.


2 posted on 07/31/2011 7:29:58 AM PDT by decimon
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To: decimon

Idiot authors like this make already difficult subjects virtually impossible to understand.


3 posted on 07/31/2011 7:38:12 AM PDT by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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To: decimon

Not so hard to expose, but devilishly hard for people to recognize it in themselves.


4 posted on 07/31/2011 7:39:51 AM PDT by Wolfstar ("If you would win a man to your cause, first convince him that you are his friend." Abraham Lincoln)
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To: decimon

Not entirely sure but I’ll guess it somehow relates to this...

“The EPR paradox (or Einstein–Podolsky–Rosen paradox) is a topic in quantum physics and the philosophy of science concerning the measurement and description of microscopic systems (such as individual photons, electrons or atoms) by the methods of quantum physics. It refers to the dichotomy that either the measurement of a physical quantity in one system must affect the measurement of a physical quantity in another, spatially separate, system or the description of reality given by a wave function must be incomplete.

This challenge to the Copenhagen interpretation of quantum physics (that only the position or momentum of a particle, but not both, can be known with certainty) originated from the consequences of a thought experiment authored in 1935 by Einstein, Podolsky and Rosen. The paper they authored indicated what seemed to be a flaw in the interpretation. The experiment involved two systems that initially interact with each other and are then separated. Then the position or momentum of one of the systems is measured, and due to the known relationship between the (measured) value of the first particle and the value of the second particle, the observer is aware of that value in the second particle. A measurement of the other value is then made on the second particle, and, once again, due to the relationship between the two particles, that value is then known in the first particle. This outcome seems to violate the uncertainty principle, as both the position and momentum of a single particle would be known with certainty.[1]

Einstein struggled to the end of his life for a theory that could better comply with causality, protesting against the view that there exists no objective physical reality other than that which is revealed through measurement interpreted in terms of quantum mechanical formalism. However, since Einstein’s death, experiments analogous to that of the EPR paradox have been carried out, starting in 1976 by French scientists at the Saclay Nuclear Research Centre. These experiments appear to show that the local realism theory is false.[2]”

http://en.wikipedia.org/wiki/EPR_paradox


5 posted on 07/31/2011 7:44:16 AM PDT by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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To: ETL
Idiot authors like this make already difficult subjects virtually impossible to understand.

Obviously you've haven't even read half the article, but are able to discuss parts of the entire article knowledgeably.

6 posted on 07/31/2011 7:45:06 AM PDT by Lonesome in Massachussets (Somewhere in Kenya a village is missing its idiot)
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To: decimon
Common sense and telling the truth (ain't common no more) and a well placed picture can wreck an entire conversation. Therefore common sense and the truth never see and great each other in normal conversation. Most conversation(s) or words are dust in the wind, as are most written words. Life, on this planet, is not intelligent enough to take all of the written words and spoken words into the gray matter and store for future reference.
7 posted on 07/31/2011 7:46:38 AM PDT by no-to-illegals (Please God, Protect and Bless Our Men and Women in Uniform with Victory. Amen.)
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To: decimon
Heisenberg Uncertainty Principle

"In quantum mechanics, the Heisenberg uncertainty principle states precise inequalities that constrain certain pairs of physical properties, such as measuring the present position while determining future momentum; both cannot be simultaneously done to arbitrarily high precision. That is, the more precisely one property is measured, the less precisely the other can be controlled or determined. One may, at least, be able to identify the average momentum and position of particles using weak measurements. Furthermore, it is possible to imagine a hypothetical apparatus that measures the history of a particular particle's successive positions and momentums while also measuring times and energies to arbitrary accuracies.[citation needed]

Published by Werner Heisenberg in 1927, the principle implies that it is impossible to simultaneously both measure the present position while "determining" the future momentum of an electron or any other particle with an arbitrary degree of accuracy and certainty. This is not a statement about researchers' ability to measure one quantity while determining the other quantity. Rather, it is a statement about the laws of physics. That is, a system cannot be defined to simultaneously measure one value while determining the future value of these pairs of quantities. The principle states that a minimum exists for the product of the uncertainties in these properties that is equal to or greater than one half of ħ, the reduced Planck constant (ħ = h/2π)."

http://en.wikipedia.org/wiki/Heisenberg%27s_uncertainty_principle

8 posted on 07/31/2011 7:47:30 AM PDT by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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never see and great each other

should have been never see and greet one another

going after another cup of coffee ...lol

9 posted on 07/31/2011 7:48:58 AM PDT by no-to-illegals (Please God, Protect and Bless Our Men and Women in Uniform with Victory. Amen.)
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To: decimon
▲▼
10 posted on 07/31/2011 7:55:57 AM PDT by ßuddaßudd (7 days - 7 ways a Guero y Guay Lao << >> with a floating, shifting, ever changing)
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To: decimon

“The original EPR [Einstein–Podolsky–Rosen] paradox challenges the prediction of quantum mechanics that it is impossible to know both the position and the momentum of a quantum particle. This can be extended to other pairs of physical properties.
[edit] EPR paper

The original paper describes what happens to “two systems I and II, which we permit to interact ...”, and, after some time, “we suppose that there is no longer any interaction between the two parts.” In the words of Kumar (2009), it has “Two particles, A and B, [which] interact briefly and then move off in opposite directions.”[6] According to Heisenberg’s uncertainty principle, it is impossible to measure both the momentum and the position of particle B, say, exactly. However, it is possible to measure the exact position of particle A and the exact momentum of particle B. By calculation, therefore, with the exact position of particle A known, the exact position of particle B can be known. Also, with the exact momentum of particle B known, the exact momentum of particle A can be worked out. “EPR argued that they had proved that ... particle B can have simultaneously exact values of position and momentum.”

This is a paradox in Quantum Mechanics: The theory predicts that both values cannot be known for a particle, and yet the EPR experiment shows that they can. “Therefore, the quantum mechanical description of physical reality, EPR conclude, is incomplete.”[7] The paper says: “We are thus forced to conclude that the quantum-mechanical description of physical reality given by wave functions is not complete.”

The EPR paper ends with:

While we have thus shown that the wave function does not provide a complete description of the physical reality, we left open the question of whether or not such a description exists. We believe, however, that such a theory is possible.”

http://en.wikipedia.org/wiki/EPR_paradox


11 posted on 07/31/2011 7:58:30 AM PDT by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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To: ETL

Having read quite a lot about quantum physics, I would tell you that this is pretty much par for the course. It’s exceptionally abstract, and the guys who study it and write about it don’t really understand it themselves. Yet they write these articles making grandiose claims. A lot of it is to drum up public support for their research, no doubt.


12 posted on 07/31/2011 8:00:34 AM PDT by Brilliant
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To: no-to-illegals; ETL; decimon
should have been...

In this case, the researchers show, there is no-way to pinpoint what information we Freepers are missing. Challenge us Freepers, and we can guess either part of your sentence almost perfectly.

No need to 'splain yerself...

13 posted on 07/31/2011 8:04:38 AM PDT by bigheadfred ("I consulted all the sages I could find in yellow pages but there aren't many of them")
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To: Brilliant
Having read quite a lot about quantum physics, I would tell you that this is pretty much par for the course

"par for the course" meaning, they don't really understand the subject themselves so they write in incomprehensible language and manner to cover the fact?

14 posted on 07/31/2011 8:06:03 AM PDT by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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To: ETL; Brilliant

Ya’ll heard the saying: If you can’t dazzle them with your brilliance, baffle them with your bullsh**.


15 posted on 07/31/2011 8:08:48 AM PDT by bigheadfred ("I consulted all the sages I could find in yellow pages but there aren't many of them")
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To: bigheadfred

Lol! That makes more sense than anything else I read here!


16 posted on 07/31/2011 8:15:19 AM PDT by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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To: ETL
Then let me enlighten you ~ let's say we have Casee and Caylee Anthony ~ one is the mommy and the other is the daughter. One day Caylee goes missing. Casee shows up at parties. 31 days later Cindy Anthony finds out Caylee is missing.

Following classical principles that require us to figure out cause and effect, a jury determines that there isn't enough information to prove "beyond a reasonable doubt" that Casee was responsible for Caylee's disappearance (and death).

This finding in quantum physics demonstrates that those who instantly deduced that Caylee was missing (and dead) because Casee killed her appear to have arrived at the only correct answer irrespective of "beyond a reasonable doubt".

Is this a failing of our judicial system or our rules of evidence? Or, did quantum physics just now throw us another process to account for?

17 posted on 07/31/2011 8:16:24 AM PDT by muawiyah
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To: ETL
Idiot authors like this make already difficult subjects virtually impossible to understand.

Well said. I have taught this subject, and IMHO this article is a form of educational malpractice.

18 posted on 07/31/2011 8:18:28 AM PDT by Leaning Right (Why am I carrying this lantern? you ask. I am looking for the next Reagan.)
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To: ETL
"par for the course" meaning, they don't really understand the subject themselves so they write in incomprehensible language and manner to cover the fact?

You surmise much from scant evidence. This is, after all, but a press release.

19 posted on 07/31/2011 8:18:44 AM PDT by decimon
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To: Leaning Right

Just about any subject can be made at least somewhat understandable to the layperson.


20 posted on 07/31/2011 8:33:09 AM PDT by ETL (ALL (most?) of the Obama-commie connections at my FR Home page: http://www.freerepublic.com/~etl/)
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