Tuesday, April 2, 2013

Syrian, Iraqi jihadi groups said to be cooperating

This undated image posted on a militant website purports to show militants in the al-Jazeera region on the Iraqi side of the Syria-Iraq border. Last month, militants inside Iraq killed 48 Syrian government troops who had sought refuge from the war in their country _ an ambush that regional officials now say is evidence of a growing cross-border alliance between two powerful Sunni jihadi groups _ Al-Qaida in Iraq and the Nusra Front in Syria. Middle Eastern intelligence officials said the jihadi groups are sharing military training compounds, logistics, intelligence and weapons as they grow in strength around the Syria-Iraq border, particularly in a sprawling region called al-Jazeera, which they are trying to turn into a border sanctuary they can both exploit.(AP Photo)

This undated image posted on a militant website purports to show militants in the al-Jazeera region on the Iraqi side of the Syria-Iraq border. Last month, militants inside Iraq killed 48 Syrian government troops who had sought refuge from the war in their country _ an ambush that regional officials now say is evidence of a growing cross-border alliance between two powerful Sunni jihadi groups _ Al-Qaida in Iraq and the Nusra Front in Syria. Middle Eastern intelligence officials said the jihadi groups are sharing military training compounds, logistics, intelligence and weapons as they grow in strength around the Syria-Iraq border, particularly in a sprawling region called al-Jazeera, which they are trying to turn into a border sanctuary they can both exploit.(AP Photo)

FILE - In this Friday, Jan. 11, 2013 file citizen journalism image provided by Edlib News Network, ENN, which has been authenticated based on its contents and other AP reporting, shows rebels from al-Qaida affiliated Jabhat al-Nusra waving their brigade flag as they step on the top of a Syrian air force helicopter, at Taftanaz air base that was captured by the rebels, in Idlib province, northern Syria. The Arabic words on the flag reads: "There is no God only God and Mohamad his prophet, Jabhat al-Nusra." Last month, militants inside Iraq killed 48 Syrian government troops who had sought refuge from the war in their country _ an ambush that regional officials now say is evidence of a growing cross-border alliance between two powerful Sunni jihadi groups _ Al-Qaida in Iraq and the Nusra Front in Syria. The U.S. designates both as terrorist organizations, and the purported alliance is further complicating the equation for the West as it weighs how much to support the rebel movement.(AP Photo/Edlib News Network ENN, File)

FILE - In this Friday, Jan. 11, 2013 file citizen journalism image provided by Edlib News Network, ENN, which has been authenticated based on its contents and other AP reporting, shows rebels from al-Qaida affiliated Jabhat al-Nusra, as they sit on a truck full of ammunition, at Taftanaz air base, that was captured by the rebels, in Idlib province, northern Syria. The Arabic words on the flag, right, read:"There is no God only God and Mohamad his prophet, Jabhat al-Nusra." Last month, militants inside Iraq killed 48 Syrian government troops who had sought refuge from the war in their country _ an ambush that regional officials now say is evidence of a growing cross-border alliance between two powerful Sunni jihadi groups _ Al-Qaida in Iraq and the Nusra Front in Syria. The U.S. designates both as terrorist organizations, and the purported alliance is further complicating the equation for the West as it weighs how much to support the rebel movement.(AP Photo/Edlib News Network ENN, File)

This undated image posted on a militant website purports to show militants in the al-Jazeera region on the Iraqi side of the Syria-Iraq border. Last month, militants inside Iraq killed 48 Syrian government troops who had sought refuge from the war in their country _ an ambush that regional officials now say is evidence of a growing cross-border alliance between two powerful Sunni jihadi groups _ Al-Qaida in Iraq and the Nusra Front in Syria. Two Iraqi intelligence officials said the jihadi groups are sharing three military training compounds, logistics, intelligence and weapons as they grow in strength around the Syria-Iraq border, particularly in a sprawling region called al-Jazeera, which they are trying to turn into a border sanctuary they can both exploit.(AP Photo)

This undated image posted on a militant website purports to show militants in the al-Jazeera region on the Iraqi side of the Syria-Iraq border. Last month, militants inside Iraq killed 48 Syrian government troops who had sought refuge from the war in their country _ an ambush that regional officials now say is evidence of a growing cross-border alliance between two powerful Sunni jihadi groups _ Al-Qaida in Iraq and the Nusra Front in Syria. Two Iraqi intelligence officials said the jihadi groups are sharing three military training compounds, logistics, intelligence and weapons as they grow in strength around the Syria-Iraq border, particularly in a sprawling region called al-Jazeera, which they are trying to turn into a border sanctuary they can both exploit.(AP Photo)

(AP) ? The wounded Syrian government troops were returning to their country in trucks escorted by Iraqi soldiers. They'd almost reached the border, near the frontier town of Akashat, when the attackers struck.

Regional intelligence officials saw the March 4 ambush, which left 48 dead, as evidence of a growing, cross-border alliance between two powerful Islamic extremist groups ? al-Qaida in Iraq and Jabhat al-Nusra or Nusra Front in Syria. Nusra Front is the most effective rebel faction fighting President Bashar Assad's regime, and the U.S. designates both Sunni jihadi groups as terrorist organizations.

Iraqi intelligence officials say the burgeoning cooperation is pumping new life into the Sunni insurgency in their country. They point to nearly 20 car bombings and suicide attacks that killed over 65 people, mostly in Baghdad, on the eve of the 10th anniversary of the U.S.-led invasion of Iraq last month.

The alliance is also nurturing Nusra Front, which emerged as an offshoot of Iraq's al-Qaida branch in mid-2012 to battle Assad's regime as one of a patchwork of disparate rebel groups in Syria. Nusra Front's presence on the battlefield complicates desperately needed international support for Syrian rebels because foreign backers do not want to bolster Islamic extremist groups.

Two Iraqi intelligence officials said the cooperation reflected in the attack on the wounded Syrian troops prompted their government to request U.S. drone strikes against the fighters. They spoke on condition of anonymity because they were not permitted to talk to reporters about the subject.

A U.S. official confirmed that elements within the Iraqi government had inquired about drone strikes. But the official said the U.S. was waiting to respond until the top level of Iraqi leadership makes a formal request, which has not happened yet.

Iraq is also turning elsewhere for assistance. Ministry of Defense spokesman Staff Lt. Gen. Mohammed al-Askari said that in Iraq's last weapons deal with Russia, Baghdad requested aircraft and heavy weapons to try to seize control of the Iraqi-Syria border region where the groups are operating.

The two Iraqi intelligence officials said the jihadi groups are sharing three military training compounds, logistics, intelligence and weapons as they grow in strength around the Syria-Iraq border, particularly in a sprawling region called al-Jazeera, which they are trying to turn into a border sanctuary they can both exploit. It could serve as a base of operations to strike either side of the border.

"We are very concerned about the security situation in Iraq," said Iraqi government spokesman Ali al-Moussawi. He said Iraqi ground troops and the country's tiny air force were unable to quell the militant activity in the border zone.

"This area is a nest of terrorist cells," he said.

A Jordanian counterterrorism official said al-Qaida in Iraq was assisting Nusra Front "with all possible means, including weapons, fighters and training."

Another regional security analyst cited the attack on the wounded Syrian troops in Iraq as decisive proof of cooperation.

"This is operational collaboration," the analyst said, requesting anonymity because of the sensitivity of the subject. "The transfer of weapons, tactics and ideas, what they call complex suicide attacks."

Iraq and Syria's other neighbors, Jordan, Lebanon, Turkey and Israel, all fear the spillover effects of the 2-year-old civil war. Iraq, Lebanon and Syria all share a similar, fragile ethnic mix and the concern is that the conflict could cause sectarian warfare between Sunnis and Shiites to spread throughout the region.

Under Iraqi Prime Minister Nouri al-Maliki's Shiite-led government, already tense relations with minority Sunnis have worsened. There are also longstanding strains between Arabs and Kurds, who control their own autonomous region in Iraq's north.

In Syria, Assad is a member of the Alawite sect, an offshoot of Shiite Islam, and his security forces are heavily stocked by fellow Alawites and Shiites. But Alawites are a minority, and the opposition fighting him is predominantly made up of majority Sunnis.

Shiite-dominated Iran and Shiite militant group Hezbollah in Lebanon are Syria's two closest allies in the Mideast.

Iraq pledged on Friday that it would conduct more searches of Syria-bound planes and vehicles, days after visiting U.S. Secretary of State John Kerry asked al-Maliki to stop shipments of Iranian weapons and fighters through Iraqi territory to help Assad's regime.

But al-Moussawi also pointedly noted that Iraq would try to halt weapons shipments to rebels.

Nusra Front's role in Syria's civil war is troubling not only for Iraq but for international supporters of the Syrian opposition as well.

Since it emerged in mid-2012, it has transformed into the most potent fighting force among rebel groups, with a strong presence in the eastern provinces of Raqqa, Deir el-Zour and Hassakeh close to the Iraqi border.

The group has claimed responsibility for many of the deadliest suicide bombings against the regime and military facilities. Its success has led to popularity among fighting groups, though a source of friction with more moderate and secular brigades in Syria. Nusra Front has complicated the fractured Syrian opposition's cause and remains a chief reason the U.S. has been reluctant to arm the Syrian rebels.

Intelligence officials estimated last month that about 750 Nusra Front militants ? including foreign fighters from other Arab countries ? were among approximately 2,000 anti-Assad fighters who control long stretches of borderlands on the Syrian side. The officials said the Syrian militants were increasingly crossing into Iraq to meet their al-Qaida counterparts.

They mostly operate from the al-Jazeera region that straddles three provinces of western Iraq. The region abuts part of the porous, 375-mile border, composed of desert valleys, orchards and oases.

Their cooperation with al-Qaida intensified when Nusra Front seized control of two border crossings between Syria and Iraq, freeing up space for the militants to operate, the Iraqi intelligence officials said.

The rebels seized the Rabia-Yarubiya crossing in March and the al-Qaim crossing in September, according to a report on Nusra Front by the U.K.-based Quilliam Foundation. One crossing still remains in Syrian hands ? the Walid-Tanf post near where the Syrian, Jordanian and Iraqi borders intersect.

Government spokesman al-Moussawi and Jassim al-Halbousi, a provincial council member in Iraq's Anbar province, also confirmed the two groups were using "nests" ? Arabic slang for small bases ? in the area.

"This battle has two directions, from Syria to Iraq and from Iraq to Syria," said analyst Mustafa Alani of the Geneva-based Gulf Research Center.

The Jordanian counter-terrorism official said al-Qaida in Iraq was also providing "expertise and logistics" to the Nusra Front.

"During training, Nusra elements are taught how to fire rockets and machine guns, maneuver in the desert terrain and handle arms supply to its in-the-field fighters," he said, requesting anonymity because he was not authorized to speak to the media.

He said the training is conducted in "temporary camps in a no-man's land along the Syrian-Iraqi border." After training sessions, the camp is usually dismantled so as not to leave traces behind.

"It's natural for al-Qaida to help another group with a similar ideology," he said. "The aim is to control the street in Syria as a step toward toppling Assad and setting up an Islamic jihadi state there."

According to the Iraqi officials, the group is helping al-Qaida expand in western Iraq and conduct high-profile attacks against mostly Shiite targets.

A wave of daring and coordinated strikes in March led intelligence officials to conclude that al-Qaida militants had strengthened their weapons-smuggling networks as well as their ability to find volunteers and carry out attacks.

They said the surge was caused by increased cooperation with Nusra Front fighters who appear to have facilitated the flow of suicide bombers, weapons and explosives into Iraq.

The ambush on the wounded Syrian troops only strengthened the notion of cooperation. An intelligence official said attackers appeared to have been tipped off.

The soldiers were making their way back to Syria in an Iraqi-escorted convey traveling hundreds of miles westward.

The assault began with militants detonating explosive charges on the military escort vehicles assigned to protect trucks carrying the Syrian soldiers, al-Qaida in Iraq claimed in a statement posted on its website after the attack.

After that, "the fighters launched an attack from two directions using light- and medium-range weapons as well as rocket-propelled grenades," it said. "Within less than half an hour, the whole convoy ... was annihilated."

U.S. and Iraqi forces had mostly quelled al-Qaida's presence in Iraq before American troops withdrew in late 2011. But by September 2012, Iraqi intelligence officials were warning that al-Qaida was regrouping, seizing on regional instability and government security failures to regain strength.

They reported at the time that fighters linked to al-Qaida were crossing into Syria to battle the Assad regime. Since then, those fighters have strengthened the al-Jazeera area into what they hope will be a haven to battle their foes, intelligence officials said.

"For these guys," said the regional security analyst, "the border between Iraq and Syria is not even a real thing."

___

With reporting by Jamal Halaby in Amman, Zeina Karam in Jordan and Lara Jakes in Washington. Follow Hadid on twitter.com/diaahadid

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/cae69a7523db45408eeb2b3a98c0c9c5/Article_2013-04-02-Iraq-Syria-Jihadi%20Alliance/id-cec1ab7c02cc441a9a1c132510693a57

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Melt 'causes Antarctic sea ice rise'

Climate change is expanding Antarctica's sea ice, according to a scientific study in the journal Nature Geoscience.

The paradoxical phenomenon is thought to be caused by relatively cold plumes of fresh water derived from melting beneath the Antarctic ice shelves.

This melt water has a relatively low density, so it accumulates in the top layer of the ocean.

The cool surface waters then re-freeze more easily during Autumn and Winter.

This explains the observed peak in sea ice during these seasons, a team from the Royal Netherlands Meteorological Institute (KNMI) in De Bilt says in its peer-reviewed paper.

Climate scientists have been intrigued by observations that Antarctic sea ice shows a small but statistically significant expansion of about 1.9% per decade since 1985, while sea ice in the Arctic has been shrinking over past decades.

The researchers from the KNMI suggest the "negative feedback" effect outlined in their study is expected to continue into the future.

They tried to reproduce the observed changes in a computer-based climate model.

The sea ice expanded during Southern Hemisphere autumn and winter in response to the development of this fresh, cool surface layer, which floated on the denser, warmer salty sea water below.

This fresh water is ultimately derived from enhanced melting at the base of the Antarctic ice shelves.

"Sea ice around Antarctica is increasing despite the warming global climate," said the study's lead author Richard Bintanja, from the KNMI.

"This is caused by melting of the ice sheets from below," he told the Reuters news agency.

But there are other plausible explanations for Antarctic sea-ice expansion.

Paul Holland of the British Antarctic Survey (BAS) stuck to his findings last year that a shift in winds linked to climate change was blowing ice away from the coast, allowing exposed water in some areas to freeze and make yet more ice.

"The possibility remains that the real increase is the sum of wind-driven and melt water-driven effects, of course. That would be my best guess, with the melt water effect being the smaller of the two," he told the London Science Media Centre.

The study in Nature Geoscience also asserts that the cool melt water layer may limit the amount of water sucked from the oceans that falls as snow on Antarctica. Cold air can hold less moisture than warm air.

Source: http://www.bbc.co.uk/news/science-environment-21991487#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa

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Why Not Apologizing Makes You Feel Better

To err is human.

So is refusing to apologize for those errors.

From toddlers and talk show hosts to preteens and presidents, we all know people who have done stupid, silly and evil things, then squared their jaws and told the world they've done nothing wrong.

Parents, educators and even public relations flacks have talked at length about the value of coming clean, and there is abundant research on the psychological value of apologizing. But psychologists recently decided to take a new tack: If so many people don't like to do it, there must be psychological value in not apologizing, too.

In a recent paper, researchers Tyler G. Okimoto, Michael Wenzel and Kyli Hedrick reported on what they've found happens in people's minds when they refuse to apologize. They find that parents who tell their kids that saying sorry will make them feel better have been telling kids the truth ? but not the whole truth.

"We do find that apologies do make apologizers feel better, but the interesting thing is that refusals to apologize also make people feel better and, in fact, in some cases it makes them feel better than an apology would have," Okimoto said in an interview.

Okimoto surveyed 228 Americans and asked them to remember a time they had done something wrong. Most people remembered relatively trivial offenses, but some remembered serious offenses, including crimes such as theft.

The researchers then asked the people whether they had apologized, or made a decision not to apologize even though they knew they were in the wrong. And they also divided the people at random and asked some to compose an email where they apologized for their actions, or compose an email refusing to apologize.

In both cases, Okimoto said, refusing to apologize provided psychological benefits ? which explains why people are so often reluctant to apologize.

The same thing happened when people were asked to imagine doing something wrong, and then imagine apologizing or refusing to apologize.

? When you refuse to apologize, it actually makes you feel more empowered. That power and control seems to translate into greater feelings of self-worth.

"When you refuse to apologize, it actually makes you feel more empowered," he said. "That power and control seems to translate into greater feelings of self-worth."

Ironically, Okimoto said, people who refused to apologize ended up with boosted feelings of integrity.

The researchers are not suggesting that refusing to apologize is a useful life strategy: Okimoto himself said he has little trouble apologizing. The interpersonal benefits of apologizing are huge, and an apology can renew bonds not only between people but also between countries.

Okimoto believes the research, in fact, may provide a clue on how best to get people to apologize. Our conventional approach, especially with kids, is to force people to apologize. But if people are reluctant to apologize because apologies make them feel threatened, coercion is unlikely to help ? that is, if a sincere apology is hoped for.

Support and love, by contrast, may be a more effective way to counter the feelings of threat involved in an apology.

The next time junior ? or your partner ? does something wrong, pass on the stare and try a hug.

Source: http://www.npr.org/2013/04/01/175714511/why-not-apologizing-makes-you-feel-better?ft=1&f=1007

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Monday, April 1, 2013

Google Nose is Mountain View's third April Fools' joke

Google Nose

Google says 'smelling is believing' but this one certainly smells a bit fishy

Google still isn't finished with the April Fools' shenanigans, and the announcement of Google Nose may be the silliest one yet. Billing it as "the new scentsation in search", the website lists a full set of features:

  • Your internet sommelier: expertly curated Knowledge Panels pair images, descriptions, and aromas.
  • Take a wiff: the Google Aromabase - 15M+ scentibytes.
  • Don't ask, don't smell: For when you're wary of your query - SafeSearch included.
  • Street Sense vehicles have inhaled and indexed millions of atmospheric miles.
  • Android Ambient Odor Detection collects smells via the world's most sensible mobile operating system.
  • SMELLCD™ 1.8+ high-resolution compatible for precise and controlled odors.

We've seen the "end" of Youtube, a pirate's map, and now smell-o-vision for your smartphone. Something tells me that Google isn't done yet. Hit the break to see the product video with the technical description of how it all works (yes, Google goes all-in for April Fools' pranks!) and visit the source link to try it out for yourself. Hopefully, you'll have better luck than I did -- everything smells like that turkey sandwich I was holding.

Source: Google. Via: ‏@Dr_Mcq

read more



Source: http://feedproxy.google.com/~r/androidcentral/~3/5OeRy9kXxzU/story01.htm

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Aereo wins a crucial court battle, opens up partnership talks with ISPs and pay-TV providers

Aereo wins a crucial court battle, opens up partnership talks with ISPs and payTV providers

Something tells us the US Court of Appeals for the Second District has no intentions to kid around with its latest decision, despite it coming down on the 1st of April. In what can only be viewed as a monumental victory for Aereo, the aforesaid court has just rejected an appeal from a smattering of TV networks that are hellbent on stopping the web-streaming company from treading on their territory. For those unaware, Aereo allows users to stream OTA television networks over the web, but this here court found that the system did not infringe on the broadcasters' copyrights. Of course, a battle at the Supreme Court level is a practical certainty, so it's definitely not out of the proverbial woods just yet.

That said, a separate Wall Street Journal report sheds light on ongoing discussions between the startup and some very established players in the industry -- if you can't beat 'em, join' em... right? As the story goes, AT&T, Dish Network and DirecTV have all spoken with Aereo as the company hopes to expand its footprint beyond New York City and the surrounding areas. On one hand, a mega-corp swallowing Aereo could lead to near-instant demise for its technologies, but given the right owner, it could provide the disruption the pay-TV sector so badly needs.

Filed under: ,

Comments

Via: TechCrunch, The Verge

Source: US Court of Appeals for the Second Circuit [PDF], WSJ

Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/8H0Z-ySlpnc/

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Health Consumers Don't Give Back Online

People consulting the Internet for health information and advice take what's presented, but rarely give back by posting their own reviews or experiences, new research finds.

This pattern could be skewing the "wisdom of the crowds" about doctors, hospitals and treatment options, said study researcher Rosemary Thackeray of Brigham Young University.

"If more people are contributing to the dialogue, we have maybe better information," Thackeray told LiveScience. "Versus with fewer people, it might be less reliable, more biased."

An estimated 60 percent of people go online looking for health information, and social media is a part of that picture. Social sites include not just the big names like Facebook and Twitter, Thackeray said, but forums, discussion boards and health-specific sites such as PatientsLikeMe. [Read More: Health Insurance Reviews]

Thackeray and her colleagues analyzed data from the 2010 Health Tracking Survey, part of the Pew Internet & American Life Project. As part of the telephone survey, 1,745 adults who said they look up health information online answered questions about the sort of information they sought and posted.

The results revealed that 41 percent consulted consumer reviews of doctors, hospitals and treatments, and 32 percent used social media as part of their research. But only 10 percent posted health-care reviews of their own, and 15 percent posted comments, questions or information in response to others' queries.

"People were consuming information a lot more than they were actually contributing to the dialogue," Thackeray said.

Women were more likely than men to go online looking for health information, which is not surprising, as women tend to be the health-care decision makers in families, Thackeray said. Higher-income people, younger individuals and urban or suburban dwellers were also more likely than poorer, older and rural groups to go online. People with a regular health-care provider and health insurance were also more likely to seek health information online, probably because they have more health-care choices, Thackeray said.

"Some of those demographics mirror who is actually using social media anyway, so you're not finding a lot of older people posting online or consulting online even though they have more health conditions," she said.

Finally, people with chronic diseases were twice as likely as those without to seek health information online. The findings appear online in the Journal of Medical Internet Research.

Inaccurate and biased information is always a concern online, Thackeray said, but there are advantages to seeking out social media input about health ? and reasons to encourage more people to contribute.

"Take what you find online from family and friends, combine that with what you know from your health-care provider," she said. "Together, with all that information, you can become a more informed health-care consumer and make the best decisions for your health."

Follow Stephanie Pappas on Twitter?and Google+. Follow us @livescience, Facebook?& Google+. Original article on LiveScience.com.

Copyright 2013 LiveScience, a TechMediaNetwork company. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.

Source: http://news.yahoo.com/health-consumers-dont-back-online-133949323.html

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End of the line for Roadrunner supercomputer

It's the end of the line for Roadrunner, a first-of-its-kind collection of processors that once reigned as the world's fastest supercomputer.

The $121 million supercomputer, housed at one of the nation's premiere nuclear weapons research laboratories in northern New Mexico, will be decommissioned Sunday.

The reason? The world of supercomputing is evolving and Roadrunner has been replaced with something smaller, faster, more energy efficient and cheaper. Still, officials at Los Alamos National Laboratory say it's among the 25 fastest supercomputers in the world.

"Roadrunner got everyone thinking in new ways about how to build and use a supercomputer," said Gary Grider, who works in the lab's high performance computing division. "Specialized processors are being included in new ways on new systems and being used in novel ways. Our demonstration with Roadrunner caused everyone to pay attention."

In 2008, Roadrunner was first to break the elusive petaflop barrier by processing just over a quadrillion mathematical calculations per second.

Los Alamos teamed up with IBM to build Roadrunner from commercially available parts. They ended up with 278 refrigerator-size racks filled with two different types of processors, all linked together by 55 miles of fiber optic cable. It took nearly two dozen tractor trailer trucks to deliver the supercomputer from New York to northern New Mexico.

The supercomputer has been used over the last five years to model viruses and unseen parts of the universe, to better understand lasers and for nuclear weapons work. That includes simulations aimed at ensuring the safety and reliability of the nation's aging arsenal.

As part of the U.S. nuclear stockpile stewardship program, researchers used Roadrunner's high-speed calculation capabilities to unravel some of the mysteries of energy flow in weapons.

Los Alamos has been helping pioneer novel computer systems for decades. In 1976, the lab helped with the development of the Cray-1. In 1993, the lab held the fastest supercomputer title with the Thinking Machine CM-5.

"And to think of where we're going to be in the next 10 to 15 years, it's just mindboggling," said lab spokesman Kevin Roark.

Right now, Los Alamos ? along with scientists at Sandia National Laboratories in Albuquerque and Lawrence Livermore National Laboratory in California ? is using a supercomputer dubbed Cielo. Installed in 2010, it's slightly faster than Roadrunner, takes up less space and came in at just under $54 million.

Roark said in the next 10 to 20 years, it's expected that the world's supercomputers will be capable of breaking the exascale barrier, or one quintillion calculations per second.

There will be no ceremony when Roadrunner is switched off Sunday, but lab officials said researchers will spend the next month experimenting with its operating system and techniques for compressing memory before dismantling begins. They say the work could help guide the design of future supercomputers.

? 2013 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

Source: http://feeds.nbcnews.com/c/35002/f/653377/s/2a2b3210/l/0L0Snbcnews0N0Ctechnology0Ctechnolog0Cend0Eline0Eroadrunner0Esupercomputer0E1C9144294/story01.htm

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