Solving the internet capacity crunch: First demonstration of a ...

With optical fibre networks gradually approaching their theoretical capacity limits, new types of fibres such as multicore fibres have been at the focus of worldwide research to overcome critical capacity barriers, which threaten the evolution of the Internet. The University of Bristol in collaboration with the National Institute of Information and Communications Technology (NICT) have demonstrated successfully for the first time a multicore fibre-based network, which will form the foundation for the future Internet infrastructure.

The research relies on Space Division Multiplexed (SDM) provided by the multicore fibres and on Software Defined Network (SDN) control, which are considered promising solutions to fulfil and control the ever-increasing demand for data consumption in communication networks.

This collaborative work between the High Performance Networks Group at Bristol and NICT, Japan, represents the first successful demonstration of a fully functional multicore fibre network taking advantage of the flexibility and intelligence that SDN can offer in order to provide services to emerging Internet applications such as global cloud computing.

The Bristol research team developed the SDN control based on extensions of the OpenFlow protocol and provided the novel network node equipment while NICT contributed multicore fibres (MCFs) and new transmission techniques based on self-homodyne detection (SHD).

The implemented OpenFlow interface dynamically configures the network nodes in a way that the network can deal more effectively with application specific traffic requirements such as bandwidth and Quality of Transport.

With the growing popularity of OpenFlow, this demonstration is believed to bring multicore fibre networks one big step closer to their practical realisation.

Professor Dimitra Simeonidou, Head of the High Performance Networks Group at the University of Bristol, said: "Although most on-going research has been concentrating solely on the improvement of data throughput and transmission distance of point-to-point links, it has become apparent that the success of new fibre technologies will be strongly governed by its applicability to optical networks together with an adequate control of all required network functions.

"From the viewpoint of network control, Software Defined Networking (SDN) has been recently gaining increasingly attention as a technology that enables network operators to easily adapt their network infrastructure to quickly changing user or application requirements and improve network efficiency. Up to now, however, SDN has been applied only to optical networks based on single-core fibres and therefore restricted to the capacity bottlenecks of the current fibre infrastructure."

In the future, Bristol and NICT hope to further improve their network technologies on both the software and hardware side and work with network operators to demonstrate the practical realisation of multicore fibre networks.

Explore further: OpenFlow experimental facility to boost future ICT research

More information: The results of the demonstration were selected for presentation as a prestigious Post-deadline paper at the European Conference and Exhibition on Optical Communication (ECOC) in London last month (September 26).

Source: http://phys.org/news/2013-10-internet-capacity-crunch.html

Suspects in Boston Bombing

Uighurs in China Say Bias Is Growing

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Source: www.nytimes.com --- Monday, October 07, 2013
The Uighurs, a Muslim people who make up the largest ethnic group in the Xinjiang region, complain of barriers to employment and the free exercise of religion. ...

Source: http://www.nytimes.com/2013/10/08/world/asia/uighurs-in-china-say-bias-is-growing.html

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Mich. business, labor leaders call for pipeline OK

LANSING, Mich. (AP) -- Michigan's business and labor leaders are calling on the Obama administration to approve the Keystone pipeline.

The long-delayed project to carry oil from Canada's oil sands to Texas Gulf Coast refineries has become a flashpoint in the climate change debate.

Groups like the Michigan Chamber of Commerce and Michigan Building and Construction Trades Council are joining some Republican and Democratic state legislators to push the project. They will hold a news conference Tuesday in the state Capitol to say the five-year wait since the initial application is long enough.

The pipeline wouldn't run through Michigan, but supporters say it would help the U.S. economy and be a step toward North American energy independence. Environmental groups say it would contribute to global warming, and they worry about a spill.

Source: http://news.yahoo.com/mich-business-labor-leaders-call-150746635.html

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The Discovery Institute is Mad at Ball State University for Offering the Most Awesome Class Ever

A couple months ago, I wrote a bit about Ball State University, its president,?Jo Ann Gora,?and a science class that was not very scientific.

I was pretty excited to be writing about BSU because Gora was taking a stand for all that is good and true in this world ? namely, teaching science in science classes.

After Ball State hired a professor (Eric Hedin) who was encouraging the ?theory? of Intelligent Design in his physics class, the Freedom From Religion Foundation filed a complaint. In a great move, Gora and Ball State put the kibosh on that situation, drawing the ire of The Discovery Institute. A representative from the pro-creationism group criticized Gora, calling her insistence of teaching science in science courses ?Orwellian.?

Since then, it seems that they have been keeping their beady little eyes on Ball State, ready to spring into action for any real or perceived religious offenses.

They found what they were looking for in an honors course called ?Dangerous Ideas.?

Here?s the description from the course textbook (edited by John Brockman, who runs the popular Edge.org website):

From Copernicus to Darwin, to current-day thinkers, scientists have always promoted theories and unveiled discoveries that challenge everything society holds dear; ideas with both positive and dire consequences. Many thoughts that resonate today are dangerous not because they are assumed to be false, but because they might turn out to be true.

What do the world?s leading scientists and thinkers consider to be their most dangerous idea? ??From using medication to permanently alter[ing] our personalities to contemplating a universe in which we are utterly alone, to the idea that the universe might be fundamentally inexplicable,What Is Your Dangerous Idea??takes an unflinching look at the daring, breathtaking, sometimes terrifying thoughts that could forever alter our world and the way we live in it.

I think the book sounds awesome, and I would kill to go back and take that course, so it is of no surprise to me that The Discovery Institute is throwing a fit over it.

John West, the vice president of the Discovery Institute, wrote a 10-page letter to Gora. 10 pages. That?s a lot of space to expound on one?s ignorance. It includes lines like this:

This completely one-sided book appears to be one long argument for atheism.

Indeed, its contributors declare that ?Science Must Destroy Religion,? that ?There is no God, no Intelligent Designer; no higher purpose to our lives,? and even that science should assume the role currently played by religion and that scientists should function as our ?high priests.?

Here?s the thing. The reason religion probably comes off as the villain in some of these essays is that? well? it?s kind of been the villain when it comes to the progress of science. Remember that whole Galileo incident? Yeah, us too.

But the Institute insists that this course violates a policy that Gora put in place that forbids ?faculty from favoring or endorsing one side of a religious debate over another.?

Further complicating the issue, the course is in the English ? not science ? department, so it?s not as simple as whether or not Creationism has a place in the science class room (hint: It does not).

Ball State is responding by formally reviewing all of its honors classes, according to university spokeswoman Joan Todd.

The review will include the qualifications of the faculty member to teach the course material, the course content, and the appropriateness of the course pedagogy. It will occur prior to the semester in which the course is offered. Courses scheduled to be offered in spring 2014, as well as those about which concerns have been expressed, are currently under review.

Kind of sounds like a massive waste of time and resources, but as long as it quiets the Discovery Instituters, I guess that?s one problem solv?Wait? what?s that you say? They still aren?t satisfied? Color me shocked!

We are seriously concerned about whether the subcommittees being established will apply the same standards fairly and equally to all faculty. In particular, we will be looking at the make-up of the various committees to see if they are as ideologically one-sided as the ad hoc committee appointed to investigate Eric Hedin.

I?ll give you a second to recover from the fact that the Discovery Institute is accusing?anyone else ever of being ?ideologically one-sided.?

West?s letter to The Star Press continued:

We gave BSU an opportunity to clarify what it is doing, and to show that it is applying its policies in a fair and legal manner. Because BSU has refused to clarify what it is doing or answer our questions, we will be forced to seek another remedy.

Christ. Now they?re going to sue Ball State? According to The Star Press, the Institute wants the qualifications of three other faculty members to be investigated in what appears to be retaliation for the FFRF questioning the qualifications of Hedin, the science teacher who was reportedly touting Christianity in his science class.

I don?t want to jump to any conclusions about the Dangerous Ideas course because I haven?t seen the course description. However, I do think that there is a massive difference between teaching students that science must destroy religion and teaching students that someone said ?Science must destroy religion,? which seems a more likely subject matter for an honors English course and something worth debating.

Assuming the latter is what?s really going on here, I don?t think the Discovery Institute really has a leg to stand on. I would love for Gora to take this opportunity to take another stand for academic integrity.

Gora is conferring with BSU?s board of trustees before giving a response to the Institute?s letter later this week.

Source: http://feedproxy.google.com/~r/PlanetAtheism/~3/tgQZ_IXh1C4/

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Barack Obama, Imaginary Senator (Powerlineblog)

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Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/332618644?client_source=feed&format=rss

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Eating disorders often associated with reproductive health problems

Public release date: 8-Oct-2013
[ | E-mail | Share ]

Contact: Milla Linna
milla.linna@helsinki.fi
358-445-250-220
University of Helsinki

According to a Finnish study, women with eating disorders are less likely to have children than others in their age group. The discrepancy is the most apparent in anorexia sufferers. In this group, the number of pregnancies was less than half of that of the control group.

The likelihood of abortion was more than double for bulimics than for others in the same age group. Meanwhile, the likelihood for miscarriage was more than triple for binge-eating disorder (BED) sufferers. For women who had been in treatment for BED, nearly half of their pregnancies ended in miscarriage.

"Early recognition, effective care and sufficiently long follow-up periods for eating disorders are crucial in the prevention of reproductive health problems," states researcher Milla Linna from the University of Helsinki, Hjelt Institute.

Eating disorders are common in Western countries, particularly among girls and young women. It has been estimated that 510% of all young women in developed countries suffer from an eating disorder at some point in their lives.

Conducted jointly by the University of Helsinki and the National Institute for Health and Welfare, the 15-year register-based study examined the reproductive health of patients treated at the eating disorder clinic of the Helsinki University Central Hospital in 19952010 and a control group. Members of the control group were of the same age and gender and from the same region as the patients. More than 11,000 women participated in the study, of which 2,257 were patients of the eating disorder clinic and 9,028 were control group members.

"This study does not provide an explanation for the reproductive health problems observed in women with eating disorders. Based on previous research, however, it seems likely that the problems can at least partially be attributed to the eating disorder. Both being underweight and obese are known to be associated with the increased risk of infertility and miscarriage. Eating disorders also often involve menstrual irregularities or the absence of menstruation, which may lead to neglecting contraception and ultimately to unwanted pregnancies," hypothesises Linna.

A follow-up study is currently underway, focusing on the course of the pregnancies and deliveries of women who have had eating disorders.

###

The study was published in the International Journal of Eating Disorders.

---

[ | E-mail | Share ]

?

AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

Public release date: 8-Oct-2013
[ | E-mail | Share ]

Contact: Milla Linna
milla.linna@helsinki.fi
358-445-250-220
University of Helsinki

According to a Finnish study, women with eating disorders are less likely to have children than others in their age group. The discrepancy is the most apparent in anorexia sufferers. In this group, the number of pregnancies was less than half of that of the control group.

The likelihood of abortion was more than double for bulimics than for others in the same age group. Meanwhile, the likelihood for miscarriage was more than triple for binge-eating disorder (BED) sufferers. For women who had been in treatment for BED, nearly half of their pregnancies ended in miscarriage.

"Early recognition, effective care and sufficiently long follow-up periods for eating disorders are crucial in the prevention of reproductive health problems," states researcher Milla Linna from the University of Helsinki, Hjelt Institute.

Eating disorders are common in Western countries, particularly among girls and young women. It has been estimated that 510% of all young women in developed countries suffer from an eating disorder at some point in their lives.

Conducted jointly by the University of Helsinki and the National Institute for Health and Welfare, the 15-year register-based study examined the reproductive health of patients treated at the eating disorder clinic of the Helsinki University Central Hospital in 19952010 and a control group. Members of the control group were of the same age and gender and from the same region as the patients. More than 11,000 women participated in the study, of which 2,257 were patients of the eating disorder clinic and 9,028 were control group members.

"This study does not provide an explanation for the reproductive health problems observed in women with eating disorders. Based on previous research, however, it seems likely that the problems can at least partially be attributed to the eating disorder. Both being underweight and obese are known to be associated with the increased risk of infertility and miscarriage. Eating disorders also often involve menstrual irregularities or the absence of menstruation, which may lead to neglecting contraception and ultimately to unwanted pregnancies," hypothesises Linna.

A follow-up study is currently underway, focusing on the course of the pregnancies and deliveries of women who have had eating disorders.

###

The study was published in the International Journal of Eating Disorders.

---

[ | E-mail | Share ]

?

AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

Source: http://www.eurekalert.org/pub_releases/2013-10/uoh-edo100813.php

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Steubenville rape case grand jury issues charges

COLUMBUS, Ohio (AP) ? An employee in the same district where two Ohio high school football players were convicted of raping a 16-year-old girl was charged Monday with interfering with a criminal matter, the first charges brought by a grand jury investigating whether other laws we broken in connection with the rape case.

The indictment announced by Attorney General Mike DeWine charges William Rhinaman with tampering with evidence, obstructing justice, obstructing official business and perjury.

Without elaborating, DeWine said the charges are related to Rhinaman's job as an information technology employee at the Steubenville City Schools.

"The only thing I can is that the grand jury investigation continues," DeWine said.

DeWine announced the grand jury March 17, the same day a judge convicted two Steubenville High School football players of raping the West Virginia teen after an alcohol-fueled party in August 2012 following a football scrimmage.

Rhinaman, 53, of Mingo Junction, was arrested after the charges from Friday's indictment were made formal, DeWine said. He was scheduled to make his first court appearance Wednesday.

Rhinaman's lawyer denied the charges against his client.

"Our position is he did nothing wrong," said attorney Stephen Lamatrice, who declined further comment.

Steubenville schools Superintendent Mike McVey said Monday he was aware of the situation and promised to issue a news release Tuesday.

Allegations of a cover-up dogged the rape case, despite charges being brought against the boys shortly after the attack. Attention was fueled by online activists who said more players should have been charged. Three teens who saw the attacks, including two players, were granted immunity in exchange for their testimony.

A key issue before the panel has been whether adults such as coaches or school administrators knew of the rape allegation but failed to report it as required by state law.

The grand jury has worked off and on since beginning work April 30. That day, investigators searched Steubenville High School and the local school board offices.

Investigators also searched Vestige Digital Investigations, a digital forensics storage company in Medina, in northeast Ohio. The company's connection to the case was unclear, and it has denied it's the subject of a criminal investigation.

___

Andrew Welsh-Huggins can be reached on Twitter at https://twitter.com/awhcolumbus.

Source: http://news.yahoo.com/steubenville-rape-case-grand-jury-issues-charges-214936080.html

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