Tuesday, June 25, 2013

Development of nonvolatile liquid anthracenes for facile full-color luminescence tuning: Application to foldable light-emitting devices expected

June 23, 2013 ? A research team headed by Dr. Takashi Nakanishi, a Principal Researcher of the NIMS Organic Materials Group, Polymer Materials Unit, developed a full-colour tunable luminescent liquid material with excellent light stability based on an anthracene molecule, which is a general organic fluorescent dye.

A research team headed by Dr. Takashi Nakanishi, a Principal Researcher of the Organic Materials Group (Group Leader: Masayuki Takeuchi), Polymer Materials Unit (Unit Director: Izumi Ichinose) of the National Institute for Materials Science (President: Sukekatsu Ushioda), developed a full-colour tunable luminescent liquid material with excellent photostability based on anthracene, which is a general organic fluorescent dye.

In the development of full-colour display monitors, mobile devices, and other electronic devices, organic molecular and polymer materials are essentially important, as they offer advantages such as light weight, flexibility, and printability. However, in virtually all cases, the light-emitting organic molecular materials developed until now have had difficulties to demonstrate their inherent luminescent performance due to various problems, which include low photostability (durability to prevent discoloration or decolorization under photoirradiation) and aggregation of molecules in the coating process. Moreover, from the viewpoint of production of flexible devices, materials should be free of deterioration of the continuous emissive layer, even when subjected to excessive bending and folding. On the other hand, development of organic molecular materials which enable simple, low-cost manufacture of full-colour luminescence devices, in comparison with individual synthesis of organic molecular materials that display various luminescent colours, is also desired.

The team led by Dr. Nakanishi developed a blue-emitting liquid material which is free of aggregation among adjacent anthracene parts, has a melting point of approximately -60 ?C, and is thermally stable up to about 300 ?C, by attaching highly flexible branched alkyl chains around an anthracene core moiety, which is a fluorescent general dye molecule. This material is a low-viscosity liquid with viscosity of approximately 0.3 Pa-s at room temperature and is a blue-emitting with an absolute fluorescence quantum yield of ca. 55% and photostable more than 5~10 times longer lifetime than that of commercially-available anthracene dyes. Furthermore, because other luminescent dye molecules can be doped homogeneously in this liquid, it was found that full-colour luminescence tuning is available assisted by up to 96% fluorescence resonance energy transfer (FRET) of dyes by single blue-light (365nm) excitation.

In this research, a blue-emitting anthracene liquid with excellent photostability was synthesized, and a liquid material which displays high quality full-colour luminescence and precise luminescence tuning by the facile operation of doping the liquid with other dyes was developed. Since the nonvolatile liquid material developed in this work can be coated on the surface of various substrates, production of organic multicolour devices with stable single color excitation can be expected. A continuous active emitting layer can be maintained, without breaking or interruption even when bent and folded, which is a favorable property for the development of foldable flexible devices.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/matter_energy/technology/~3/wiw-4VNFXlY/130623153502.htm

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Monday, June 24, 2013

Robo-pets may contribute to quality of life for those with dementia

June 24, 2013 ? Robotic animals can help to improve the quality of life for people with dementia, according to new research.

A study has found that interacting with a therapeutic robot companion made people with mid- to late-stage dementia less anxious and also had a positive influence on their quality of life.

The pilot study, a collaboration led by Professor Wendy Moyle from Griffith University, Australia and involving Northumbria University's Professor Glenda Cook and researchers from institutions in Germany, investigated the effect of interacting with PARO -- a robotic harp seal -- compared with participation in a reading group. The study built on Professor Cook's previous ethnographic work carried out in care homes in North East England.

PARO is fitted with artificial intelligence software and tactile sensors that allow it to respond to touch and sound. It can show emotions such as surprise, happiness and anger, can learn its own name and learns to respond to words that its owner uses frequently.

Eighteen participants, living in a residential aged care facility in Queensland, Australia, took part in activities with PARO for five weeks and also participated in a control reading group activity for the same period. Following both trial periods the impact was assessed, using recognised clinical dementia measurements, for how the activities had influenced the participants' quality of life, tendency to wander, level of apathy, levels of depression and anxiety ratings.

The findings indicated that the robots had a positive, clinically meaningful influence on quality of life, increased levels of pleasure and also reduced displays of anxiety.

Research has already shown that interaction with animals can have a beneficial effect on older adults, increasing their social behaviour and verbal interaction and decreasing feelings of loneliness. However, the presence of animals in residential care home settings can place residents at risk of infection or injury and create additional duties for nursing staff.

This latest study suggests that PARO companions elicit a similar response and could potentially be used in residential settings to help reduce some of the symptoms -- such as agitation, aggression, isolation and loneliness -- of dementia.

Prof Cook, Professor of Nursing at Northumbria University, said: "Our study provides important preliminary support for the idea that robots may present a supplement to activities currently in use and could enhance the life of older adults as therapeutic companions and, in particular, for those with moderate or severe cognitive impairment.

"There is a need for further research, with a larger sample size, and an argument for investing in interventions such as PARO robots which may reduce dementia-related behaviours that make the provision of care challenging as well as costly due to increased use of staff resources and pharmaceutical treatment."

The researchers of the pilot study have identified the need to undertake a larger trial in order to increase the data available. Future studies will also compare the effect of the robot companions with live animals.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_science/~3/jFB6Ff3OGnY/130624075748.htm

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By taking in Snowden, Ecuador would defy US again

CARACAS, Venezuela (AP) ? President Rafael Correa of Ecuador embraces his role as a thorn in Washington's side, railing against U.S. imperialism in speeches and giving WikiLeaks founder Julian Assange refuge in his nation's embassy in London.

But nothing Correa has done to rankle the United States is likely to infuriate as much as granting the asylum being sought by former National Security Agency contractor Edward Snowden, who faces espionage charges back home after revealing details of two highly secret surveillance programs.

Snowden flew from Hong Kong to Moscow on Sunday, and had been widely expected to fly on to Cuba ? an ally of Ecuador ? on Monday. But when the plane from Moscow took off Monday, Snowden was not in the seat he had booked and there was no sign of him elsewhere on board.

Even so, Ecuadoran Foreign Minister confirmed on Monday that his government is analyzing the request for asylum. He told reporters during a visit to Vietnam that it "has to do with freedom of expression and with the security of citizens around the world," a strong hint Correa would accept the petition.

"Correa may find it hard to resist the temptation to get increased attention and seize this opportunity to provoke and defy the U.S.," said Michael Shifter, president of the Inter-American Dialogue think tank. "Correa is confrontational and relishes fights. Should he ultimately grant Snowden asylum, one hopes that Correa has thought through the likely consequences of such a decision."

Taking in Snowden certainly would increase Correa's popularity among those who see him as a champion of open information, help him counter criticism of a new media law that some call an assault on freedom of speech in Ecuador and cement his name as a leading voice of opposition to U.S. foreign policy.

But it could threaten preferential access to U.S. markets for Ecuadorean goods under the U.S. Andean Trade Preference Act, and strain already shaky ties between two nations that only last year re-established full diplomatic relations at the ambassadorial level.

Some 45 percent of Ecuadorean exports went to the United States last year, accounting for about 400,000 jobs in the small nation.

Giving Snowden asylum for leaking secret information would be "irresponsible," former Ecuadorean diplomat Mauricio Gandara said.

"It would be an illegal act, because what he has done is a crime in both the United States and Ecuador," said Gandara, who was Ecuador's ambassador in London. "It is a confrontation with the people and government of the United States and both (political) parties. It is an unnecessary conflict."

Ecuadorean analyst Grace Jaramillo said Washington takes the Snowden case more seriously than Assange's because it involves an internal leak of intelligence activities that otherwise operate in total secrecy.

"The United States will keep pushing until the end for Snowden to be handed over, and could even resort to commercial sanctions or direct intervention if the case becomes difficult," Jaramillo said.

Yet, granting him safe passage and refuge has appeal for Ecuador as well as Cuba and Venezuela, which have all been criticized for rules limiting independent media.

"This is a case in which I think the U.S. does not look all that good," said David Smilde, a Venezuela expert at the University of Georgia.

"I think it's quite useful for either Venezuela or Ecuador to grant a person like this asylum, because it allows them to sort of deflect attention towards the United States and the United States' own shortcomings," Smilde said.

The Cuban state controls all TV, radio and newspapers. Venezuela has done things like forcing TV stations off the air by not renewing licenses and detaining people for tweets deemed destabilizing. Ecuador's media law, approved last week, establishes official media overseers, imposes sanctions for besmirching personal reputations and limits private ownership to a third of radio and TV licenses.

But Cuba and Venezuela are both in the midst of quiet thaws in long-chilly ties with the United States, and taking in Snowden would likely damage those efforts.

Last week, Cuba and the United States held talks on restarting direct mail service, and announced that a separate sit-down to discuss immigration issues will be held in Washington on July 17.

Diplomats and officials from both countries also report far greater cooperation in behind-the-scenes dealings, including during a brief incident involving a Florida couple who sought asylum in Cuba after kidnapping their own children. Cuba worked with U.S. officials to quickly send the couple back to face justice.

Philip Peters, a longtime Cuba analyst, said allowing Snowden to pass through Cuban territory would not necessarily doom rapprochement, though he acknowledged the fallout would be unpredictable.

"My guess is that it would be a blip, because Cuba, by allowing him to pass through Cuban territory, is hardly embracing his actions, or sheltering him or giving him asylum," Peters said.

It's the same story for Venezuela, which earlier this month agreed to high-level negotiations on restoring ambassadorial relations and easing more than a decade of sour ties. That announcement came after a meeting in Guatemala between U.S. Secretary of State John Kerry and Venezuelan Foreign Minister Elias Jaua.

Caracas has huge commercial dealings with the United States, which remains the No. 1 buyer of Venezuela's oil.

"It's much better for President Nicolas Maduro that (Snowden) is not going to Venezuela," said Gregory Weeks, a political scientist specializing in Latin America at the University of North Carolina at Charlotte. "It's something that Maduro really doesn't want to have to deal with, whereas Correa, he's already in it (by giving Assange asylum). So of all the places to go, Ecuador is logical."

Being placed on the international stage by Snowden's asylum bid drew mixed reactions from Ecuadoreans.

"People who steal information or any other thing should face the consequences, and Ecuador shouldn't get involved," said Maria Jimenez, a 42-year-old homemaker.

Jorge Rojas Cruzatti, a 34-year-old web designer, disagreed.

"I'm proud of my country ... and more than pride, I'm glad that human rights are being protected," he said. "Other countries wouldn't dare grant this type of support to citizens who are helping protect freedom of expression."

___

Associated Press writers Gonzalo Solano in Quito, Ecuador; Paul Haven in Havana; Vivian Sequera in Bogota, Colombia; and Luis Andres Henao in Santiago, Chile, contributed to this report.

___

Peter Orsi on Twitter: www.twitter.com/Peter_Orsi

Source: http://news.yahoo.com/taking-snowden-ecuador-defy-us-again-090726069.html

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Ohio air show resumes after stuntwoman, pilot die

CINCINNATI (AP) ? An air show in southwestern Ohio reopened with a moment of silence Sunday, a day after a pilot and wing walker died in a horrifying, fiery crash in front of thousands of spectators.

The Vectren Air Show near Dayton, which closed right after Saturday's crash, resumed Sunday in honor of pilot Charlie Schwenker and veteran stuntwoman Jane Wicker, both of Virginia.

"As a pilot, you accept the fact that accidents do happen ? it's an accepted risk we take," said John King, president of the Flying Circus Airshow, which employed Wicker.

"They were both dedicated to flying and the act. They were true, ultimate professionals," King said. "I don't know of anyone who could have done any better than what they were doing."

Wicker and Schwenker were killed when their plane crashed in front of spectators who screamed in shock as the aircraft became engulfed in flames. No one else was hurt.

Video of the crash showed their plane gliding through the sky before abruptly rolled over, crashing and exploding into flames. Wicker, performing at the Dayton show for the first time, had been sitting atop the 450 HP Stearmans.

The decision to resume the show a day after the crash was an emotional one supported by Wicker's ex-husband, said air show general manager Brenda Kerfoot.

"He said, 'This is what Jane and Charlie would have wanted,'" Kerfoot said. "'They want you to have a safe show and go out there and do what you do best.'"

Wicker, 44, who lived in Bristow, Va., was a mother of two boys and engaged to be married, Kerfoot said.

"She was a well-rounded, delightful woman who was passionate about aviation," said Kerfoot. "She was in the business for a very long time and was well-loved by the air show community; she would certainly have wanted the show to go on."

Schwenker, 64, of Oakton, Va., was married.

The cause of the crash is unclear and the conclusion of an investigation by the National Transportation Safety Board likely will take months. The NTSB planned a mid-afternoon news conference Sunday to discuss the accident.

Wicker's website says she responded to a classified ad from the Flying Circus Airshow in Bealeton, Va., in 1990, for a wing-walking position, thinking it would be fun. She was a contract employee who worked as a Federal Aviation Administration budget analyst, the FAA said.

In one post on Wicker's site, the stuntwoman explains what she loved most about her job.

"There is nothing that feels more exhilarating or freer to me than the wind and sky rushing by me as the earth rolls around my head," the post says. "I'm alive up there. To soar like a bird and touch the sky puts me in a place where I feel I totally belong. It's the only thing I've done that I've never questioned, never hesitated about and always felt was my destiny."

She also answered a question she said she got frequently: What about the risk?

"I feel safer on the wing of my airplane than I do driving to the airport," she wrote. "Why? Because I'm in control of those risks and not at the mercy of those other drivers."

A program for the air show touted Wicker as a performer of "heart-stopping" feats who did moves that "no other wing walker is brave enough to try."

"Wing riding is not for this damsel; her wing walking style is the real thing," the program said. "With no safety line and no parachute, Jane amazes the crowd by climbing, walking, and hanging all over her beautiful ... aircraft.

"Spectators are sure to gasp as this daredevil demonstrates in true form the unbelievable art of wing walking," it says.

On the video of the crash, an announcer narrates as Wicker's plane glides through the air.

"Keep an eye on Jane. Keep an eye on Charlie. Watch this! Jane Wicker, sitting on top of the world," the announcer said, right before the plane makes a quick turn and nosedive.

Some spectators said they knew something was wrong because the plane was flying low and slow.

Thanh Tran, of Fairfield, said he could see a look of concern on Wicker's face just before the plane went down.

"She looked very scared," he said. "Then the airplane crashed on the ground. After that, it was terrible, man ... very terrible."

In 2011, wing walker Todd Green fell 200 feet to his death at an air show in Michigan while performing a stunt in which he grabbed the skid of a helicopter.

In 2007, veteran stunt pilot Jim LeRoy was killed at the Dayton show when his biplane slammed into the runway while performing loop-to-loops and caught fire.

Still, King said, in the four decades since Flying Circus started, many kids have been so inspired watching the show that they later became military and commercial pilots.

"Our show takes them back to the barnstorming era of air shows," he said. "It's amazing how many people have taken up aviation careers because of their first exposure to the Flying Circus."

___

Online:

Raw video of crash: http://bit.ly/11Vf7JA

___

Associated Press writer Verena Dobnik in New York contributed to this report.

___

Follow Amanda Lee Myers on Twitter at https://twitter.com/AmandaLeeAP

Source: http://news.yahoo.com/ohio-air-show-resumes-stuntwoman-pilot-die-131204772.html

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Sharapova beats Mladenovic in Wimbledon's 1st Rd

Maria Sharapova of Russia reacts after winning the first set against Kristina Mladenovic of France during their Women's first round singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, June 24, 2013. (AP Photo/Anja Niedringhaus)

Maria Sharapova of Russia reacts after winning the first set against Kristina Mladenovic of France during their Women's first round singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, June 24, 2013. (AP Photo/Anja Niedringhaus)

Maria Sharapova of Russia serves to Kristina Mladenovic of France during their Women's first round singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, June 24, 2013. (AP Photo/Anja Niedringhaus)

Kristina Mladenovic of France serves to Maria Sharapova of Russia during their Women's first round singles match at the All England Lawn Tennis Championships in Wimbledon, London, Monday, June 24, 2013. (AP Photo/Anja Niedringhaus)

(AP) ? Done with her pre-tournament verbal volleying with Serena Williams, Maria Sharapova improved to 11-0 in first-round matches at Wimbledon by beating 37th-ranked Kristina Mladenovic of France 7-6 (5), 6-3 Monday.

The third-seeded Sharapova, who won her first Grand Slam title at the All England Club in 2004, struggled through the opening set. But at 5-all in the tiebreaker, Sharapova hit a cross-court backhand winner to earn a set point, which she quickly converted with an over-the-shoulder backhand volley winner off Mladenovic's lob.

Sharapova drew attention over the weekend by delivering a sharp news-conference rebuke to Williams over critical comments attributed to the top-seeded American in a recent magazine article.

Williams has won their last 13 head-to-head matches, including the French Open final this month.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/347875155d53465d95cec892aeb06419/Article_2013-06-24-Wimbledon-Sharapova/id-3955cdbcd77944368fe42169010d6798

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Sunday, June 23, 2013

Kerry to push for coordinated aid to Syrian rebels

DOHA, Qatar (AP) ? U.S. Secretary of State John Kerry is in Qatar (GUH'-tur) to meet officials from nearly a dozen nations to firm up and coordinate military and humanitarian aid going to the Syrian opposition trying to oust President Bashar Assad.

Kerry flew to Doha, the capital of Qatar, Saturday. It's the first stop on his seven-nation trip through the Mideast and Asia.

U.S. officials hope the meeting will re-energize a newly expanded Syrian opposition group, which is to elect new leadership in coming days.

Kerry is a strong proponent of international intervention to stop the civil war in Syria, which has claimed 93,000 lives.

President Barack Obama recently announced the U.S. will send weapons to the rebels, despite concern the arms could end up in the hands of Islamic extremists.

Source: http://news.yahoo.com/kerry-push-coordinated-aid-syrian-rebels-064033119.html

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Southwest cancels 57 flights after computer glitch

CHICAGO (AP) ? A spokeswoman says Southwest Airlines has cancelled 57 flights because of a computer glitch that grounded planes for more than two hours.

Michelle Agnew says 43 of the cancellations were flights scheduled for late Friday night in the western half of the country. The other 14 were Saturday morning flights scattered across the U.S. because crews were not able to get to airports in time to make the scheduled takeoffs.

Agnew says the computer system was back to "full capacity" early Saturday. The airline had used a slower backup system after the shutdown affecting about 250 flights.

Some flights were on the taxiway and diverted back to the terminal after the problem was detected around 8 p.m. PST Friday. Flights already in the air were unaffected.

Source: http://news.yahoo.com/southwest-cancels-57-flights-computer-glitch-104716565.html

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Why Do Americans Have the Worst DVRs?

Woman watching TV.

American DVRs are inferior to European ones for one very important reason.

Photo by Thinkstock

It took a few minutes shy of forever to get to the end of Game 1 of hockey?s Stanley Cup Final, but at least for non-Bostonians, it was worth the wait. Four hours and 38 minutes after the game began, Andrew Shaw finally scored the winning goal to push the Chicago Blackhawks past the Boston Bruins in the third overtime. The game?s not-so-sudden death didn?t come quite quickly enough for one unlucky hockey watcher. As that anonymous fan explained on Reddit, adding an extra two hours to the end of his DVR recording seemed like a smart move. But in the end, those buffer hours left him just six seconds shy of seeing the winning goal. Ain?t that a puck in the teeth.

I can relate. In the interest of sleep and sanity, I time-shifted the early rounds of the NBA playoffs, catching up on the previous night?s games each morning. Alas, my recording of Game 1 of the NBA?s Western Conference semis, in which the Spurs beat the Warriors 129?127 in double overtime, ended just before the final shot went in the air. (I think the Warriors could still pull this one out!) As a savvy DVR user, I of course padded my recording by an extra hour, just in case the game extended beyond its scheduled end time. But an hour, or even two, sometimes isn?t enough. That?s the peril of taping live sporting events. A long fifth set, a bee delay, or yet another period without the puck going in the net?all can lead to a game overspilling its programming window by hours. Worst of all, the sporting events most likely to be ruined in this manner are precisely the ones we most want to watch to the end: those extra-long, extra-tense games that go into overtime or extra innings.

It?s easy to imagine a universe in which DVRs worked better. Rather than forcing TV watchers to pad their recordings manually, broadcasters could send a signal to cable and satellite providers when a program begins and another when it ends. Your DVR would grab these signals, ensuring that it starts each recording when it should start and ends it when should end?not at some (often-wrong) scheduled time, but at the real time. This wouldn?t just solve ball, stick, and puck problems. It would also benefit everyone who?s suffered the pain of missing the last joke on 30 Rock because the show runs just a little bit beyond its allotted time.

Here?s the good news: This hypothetical DVR utopia actually exists, and a lot of people are living in it. The bad news for me and my fellow Americans: The United States is trapped in the bowels of DVR hell, and we?re not going to escape any time soon.

Now, let us take a journey to this magical land where DVRs work as they should. Our tour guide is Raj Patel, the chief solutions architect for the United Kingdom?s Freesat, a partnership between ITV and the BBC that provides free satellite TV service to 1.7 million homes. Patel explains that broadcasters supply Freesat and certain other international television providers with what?s called ?present and following? information?that is, the identity of the program that?s airing right now and the one that?s scheduled to air next. Even if a program (like, say, a sporting event) is supposed to end at 10:30 p.m., the broadcaster will not change that present and following data until the game is actually over. A customer?s DVR, in turn, will not stop recording until it?s been signaled that the present and following information has changed. This feature is called ?accurate recording,? and that?s exactly what it is. It means you?ll never miss the end of a game?not even a Champions League final that goes into extra time.

This isn?t a special feature reserved exclusively for couch potatoes with British accents. NorDig, the body that specifies digital TV standards in Scandinavia and Ireland, also mandates that DVRs come equipped with accurate recording technology. This feature is also available in Australia, where the TV provider Freeview calls it ?intuitive recording? and brags that ?you will never miss the end of a recorded show again? thanks to a system in which each show gets a unique reference code.

Why do Brits and Aussies get to watch impeccable recordings of ?football? while red-blooded, American football gets cut off by our inferior American DVRs? It?s not because the technology somehow doesn?t work on our side of the pond. Based on interviews with multiple people at various industry stakeholders, I believe that accurate/intuitive/non-terrible recording would be feasible in the United States. The reason it doesn?t exist, I believe, is that American broadcasters and service providers don?t want it to exist. But we need to make our voices heard. The time is now to save our country from substandard DVR technology.

Broadcast standards aren?t uniform across the world. Europe, Australia, India, parts of Africa, and a bunch of other places comply with the DVB standard, while North America goes by something called ATSC. But Dave Arland, a spokesman for ATSC, says there?s nothing about the North American broadcast standard that would prevent any company here from implementing accurate recording.

Similarly, a source at a major U.S. television service provider?who refused to go on the record, perhaps fearing an onslaught of marauding customers?told me the company?s DVRs are capable of accurate recording. The issue, the source said, is that the broadcasters would need to provide them with real-time data on the start and end times of live events. That?s already happening in the United Kingdom and other places with accurate recording, but not in North America.

Source: http://www.slate.com/articles/arts/culturebox/2013/06/accurate_recording_the_one_amazing_feature_that_makes_european_dvrs_so_much.html

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Famed aerialist to cross gorge near Grand Canyon

LITTLE COLORADO RIVER GORGE, Ariz. (AP) ? Famed daredevil Nik Wallenda is using the Navajo Nation as a backdrop to one of his most ambitious feats yet.

The 34-year-old Florida resident will set out on a quarter-mile cable stretched 1,500 feet above the Little Colorado River Gorge near the Grand Canyon. Sunday's stunt comes a year after he traversed Niagara Falls, only this time he won't be wearing a safety harness.

The last thing he'll do before setting out on the 2-inch-thick steel cable is kiss his wife and three children and say he'll see them later.

The Discovery Channel is scheduled to broadcast the event live.

Meanwhile, a group of Navajos is planning to protest what it says is a gamble on one man's life.

Wallenda says the only thing that would stop him would be lightning within a 15-mile radius.

Source: http://news.yahoo.com/famed-aerialist-cross-gorge-near-grand-canyon-093307438.html

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Saturday, June 22, 2013

Twitter exec joining White House tech office - Science News

The White House says Twitter executive Nicole Wong is joining the Obama administration as the deputy U.S. chief technology officer.

Wong was Twitter's legal director for products. She has also been a vice president at Google.

Rick Weiss is spokesman for the White House's Office of Science and Technology Policy. He says Wong's portfolio will include the Internet, technology and privacy. He says she has extensive expertise on those topics and has a reputation for fairness.

As a Google attorney, Wong testified before Congress about how the Internet company protects users' privacy.

Internet privacy has become a major issue for the White House following revelations about the government's massive collection of data from phone and Internet companies.

Explore further: Google asks US secret court to lift gag order (Update)

Source: http://phys.org/news/2013-06-twitter-exec-white-house-tech.html

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Chrissy Teigen: Nude in GQ!

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Suicide bomb, shootings kill 9 northern Iraq

BAGHDAD (AP) ? A suicide car bomb and other militant attacks killed nine people in northern Iraq on Saturday, officials said, the latest in a wave of violence that has killed nearly 2,000 Iraqis since the start of April.

The deadliest attack was in al-Athba village near the northern city of Mosul, when a suicide car bomber rammed his explosives-laden car into a police patrol, a police officer said. Three civilian bystanders and one policeman died while six other people were wounded, he added.

With violence spiking sharply in recent months to levels not seen since 2008, al-Qaida in Iraq and other militant groups have been gathering strength in the area of Mosul, some 360 kilometers (220 miles) northwest of Baghdad.

In the city of Tuz Khormato, 210 kilometers (130 miles) north of Baghdad, gunmen on motorcycles riddled a civilian vehicle carrying four off-duty policemen with bullets, killing three and wounding another, a police officer said.

Another group of gunmen attacked a police checkpoint in the city of Samarra, killing two policemen and wounding four, another police officer said. Samarra is 95 kilometers (60 miles) north of Baghdad.

Police also said two civilians were killed and nine wounded when a bomb ripped through a small market late Friday in Baghdad.

Four medical officials confirmed the casualty figures. All officials spoke on condition of anonymity as they were not authorized to release information.

Also on Saturday, the United Nations said another 27 residents of a camp housing members of an Iranian exile group have been relocated to Albania. The move follows a deadly rocket attack on the facility last week.

A total of 71 residents of Camp Liberty have now relocated to the southeast European country, which has agreed to accept 210 of them. Germany has also offered to take 100 residents. The U.N. is urging other member states to accept some of the more than 3,000 living in Iraq.

The dissident group, the Mujahedeen-e-Khalq, is the militant wing of a Paris-based Iranian opposition movement that opposes Iran's clerical regime and has carried out assassinations and bombings there. It fought alongside Saddam Hussein's forces in the 1980-88 Iran-Iraq war, and several thousand of its members were given sanctuary in Iraq. It renounced violence in 2001, and was removed from the U.S. terrorism list last year.

Iraq's government wants the MEK members to leave, and the U.N. has been working to resettle them abroad.

Two residents of Camp Liberty were killed in a June 15 rocket attack on the facility. A Shiite militant group claimed responsibility, saying it wants the group out of Iraq.

______

Associated Press writer Adam Schreck contributed to this report.

Source: http://news.yahoo.com/suicide-bomb-shootings-kill-9-northern-iraq-101725395.html

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Friday, June 21, 2013

Spectacular Sun Storm Sheds Light on Star Formation

A stunning eruption unleashed by the sun two years ago is providing clues about how stars form, scientists say.

On June 7, 2011, the sun blasted out an enormous cloud of superheated plasma called a coronal mass ejection. Some of this material rained back down on the sun in a dazzling display that researchers say is helping them understand how newborn stars suck up plasma from their surroundings.

"This opens the way to new studies that link the sun to young stars, by both solar and stellar physicists," said study lead author Fabio Reale, of the University of Palermo and the Palermo Astronomical Observatory in Italy. [Watch video of the spectacular June 2011 solar eruption]

Newly forming stars siphon off material from a surrounding circumstellar disk. Such accretion plays a key role in the late phases of star formation, but the complex dynamics of the process ? which involves plasma slamming into the stellar surface at hundreds of miles per second ? make it difficult to understand in detail, researchers said.

The June 2011 solar eruption provides a window into the accretion process, Reale and his colleagues said. They studied images of the dramatic sun storm snapped by NASA's Solar Dynamics Observatory spacecraft in ultraviolet (UV) and extreme-UV light, and then compared those observations against the results of hydrodynamic simulations.

The team determined that the density (far more than 10 billion particles per cubic centimeter, or 164 billion particles per cubic inch) and impact velocity (670,000 to 1 million mph, or 1.1 million to 1.6 million km/h) of infalling material were similar to those seen during stellar accretion flows.

Impacts were spread over a large fraction of the solar surface, researchers said. Sun-striking plasma blobs typically measured between 1,250 and 2,500 miles (2,000 to 4,000 km) in diameter, and they generated detectable high-energy emissions when they crashed into the sun.

Most stellar accretion flows emit surprisingly little high-energy light. The new study could help explain this puzzle, suggesting that such light is produced but absorbed by surrounding dense material, Reale said.

"The analysis of the high-energy light should be able to tell us about the composition of the disk material," he told SPACE.com via email.

It may seem odd that observations of this solar system's 4.5-billion-year-old sun can yield insights about stars just bursting into existence. But scientists use templates and proxies to investigate phenomena all the time, Reale said.

"Some physical processes are universal," he said. "If we can zoom in, and make the correct scaling and extrapolations, they can be investigated in different ? even very different ? systems. The sun has been used to study much brighter stellar coronae and flares, for instance. Probably, even people studying accretion in neutron stars or black holes may find this work interesting."

Follow Mike Wall on Twitter?@michaeldwall?and?Google+.?Follow us @Spacedotcom, Facebook?or Google+. Originally published on?SPACE.com.

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

Source: http://news.yahoo.com/spectacular-sun-storm-sheds-light-star-formation-180833361.html

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2X Software Transforms Your Google Chrome Browser into a Complete Microsoft Windows Desktop

DALLAS, TX, ?-- 2X Software, a global leader in virtual desktop and application delivery solutions, announced that the company has launched the free 2X Client for RDP / Remote Desktop application for Google Chrome. The 2X Client for Chrome provides you with simple and secure remote access to your Microsoft Windows desktop using RDP (Remote Desktop Protocol) whenever you want, wherever you are.

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The 2X Client for RDP / Remote Desktop is specifically designed for Chrome, making it compatible across different platforms such as Windows, Mac OS, Linux and Chrome OS. The 2X Client for Chrome provides a direct connection without using a public gateway, making your computing experience secure and private. It?s the first self contained, fully installable Chrome application allowing RDP connections. Additionally, as a user you can have multiple connections running?concurrently and even use the application offline.

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?We are very excited for the full version launch of the 2X Client for Chrome app. Our goal was to develop an easy to use, secure way for mobile device users to connect to their desktop and applications. It was equally important for us to provide the app for free, and I?m happy that we have achieved both objectives. We are proud to supply the Chrome user community with a 2X solution which will hopefully improve their computing experience. - Nikolaos Makris,?CEO,?2X Software

About 2X Client for RDP / Remote Desktop

The 2X Client for Chrome provides users with simple and secure remote access to their Microsoft Windows desktop using RDP (Remote Desktop Protocol) whenever you want, wherever you are.

Key features include:

  • Cross platform supported (Windows, Linux, MAC OS and Chrome OS)
  • Provides secure direct RDP connection without using a public gateway, making your computing experience secure and private
  • Fully installable, self contained Chrome application
  • Supports Google Chrome 24 onwards
  • Unlimited connections running concurrently
  • Offline mode functional even when an internet connection is unavailable
  • Saves user settings to the Google Cloud for syncing across multiple systems
  • Fully developed with JavaScript and HTML5 technologies
  • Windows 2012 and Windows 8 compatible

Download 2X Client for RDP / Remote Desktop for Chrome

About 2X Software

2X Software is a global leader in virtual desktop and application delivery, remote access and cloud computing solutions. Thousands of enterprises worldwide trust in the reliability and scalability of 2X products. 2X offers a range of solutions to make every company?s shift to cloud computing simple and affordable.

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Source: http://www.dabcc.com/article.aspx?id=25835

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Sony chief says time needed to study proposal

TOKYO (AP) ? Sony Corp. needs more time to study a key proposal from a U.S. hedge fund to spin off a part of its entertainment unit as a way to propel its fledgling revival, the chief executive told shareholders Thursday.

Sony Chief Executive Kazuo Hirai was speaking to a Tokyo hall packed with thousands of investors for an annual general shareholders' meeting, where the proposal from Third Point hedge fund, led by activist investor and billionaire Daniel Loeb, was high on people's minds. It was the first question from the floor.

Hirai reiterated his position that Sony takes the proposal seriously, and it will be discussed by the company board. But he ruled out a quick decision.

"This is an important proposal that will influence the future of Sony," he said. "This will take time, and we are not going to come to a conclusion for the sake of coming to a conclusion."

Loeb has proposed selling up to a 20 percent stake in Sony's relatively healthy movie, TV and music business.

Third Point, one of Sony's top shareholders, said this week it has raised its stake to 6.9 percent from the 6.5 percent Loeb had said the fund owned, when it first made the proposal last month.

Loeb is best known for instigating a mass shake-up at Yahoo Inc.

He is proposing the money raised from selling a part of Sony's entertainment division be used to strengthen its troubled electronics operations.

His proposal was not up for a vote at the nearly two-hour shareholders' meeting, which approved new board members and a proposal on stock options. Sony said more than 10,000 people took part in the meeting.

Some analysts have been advocating changes at Sony, similar to what Loeb has suggested.

Takao Miyake, a retired shareholder who had attended the meeting, agreed.

"I think Sony is caught up in their own ways," he said. "Working with the hedge fund is the only way to survive."

Others were unsure. Takeshi Kawamata, 56, a businessman who owns 100 Sony shares, hadn't heard about the hedge fund proposal before.

"How should we know if we can trust the hedge fund or not?" he said.

Tokyo-based Sony has run into hard times in recent years despite a glorious nearly seven-decade history of having pioneered products, such as the Walkman portable player.

Sony, which also makes the PlayStation 3 game machine and Bravia flat-panel TVs, has fallen behind rivals such as Apple Inc. of the U.S. and South Korea's Samsung Electronics Co.

It was also battered by natural disasters in Japan in 2011, as well as an unfavorable currency rate, although that disadvantage has lessened with the yen cheapening in recent months.

The company barely turned a profit for the fiscal year ended March 31, its first in five years.

Hirai, who took office last year, promised a revival at Sony, focusing on smartphones, digital imaging and games, as well as turning around its money-losing TV operations. Sony is also trying to move into new fields such as medical equipment, having set up a joint venture with Olympus Corp.

He said Sony has undergone drastic restructuring under his helm over the last year, an effort that he called unprecedented in company history. He said he was talking frequently with Sony engineers to prevent any brain drain and boost morale. He said he was determined to make sure all products were "fitting of putting S-O-N-Y on them."

"We want people to say that a world without Sony would be no fun at all," he said.

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Azusa Uchikura contributed to this report. Follow Yuri Kageyama on Twitter at www.twitter.com/yurikageyama

Follow Uchikura on Twitter at www.twitter.com/auchikura

Source: http://news.yahoo.com/sony-chief-says-time-needed-study-proposal-024639342.html

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Tuesday, June 18, 2013

Saatchi admits assault on wife Nigella Lawson

LONDON (AP) ? Prominent British art collector Charles Saatchi has admitted assault and accepted a police caution after published photos showed him grasping the throat of his wife, celebrity chef Nigella Lawson.

In Tuesday's editions, The London Evening Standard newspaper quoted him as saying that he had approached police to discuss the incident after seeking legal advice.

"Although Nigella made no complaint I volunteered to go to Charing Cross (police) station and take a police caution after a discussion with my lawyer because I thought it was better than the alternative of this hanging over all of us for months," he told the newspaper, where he is also a columnist. He said the questioning took four hours.

Tabloid newspapers this week published photos of the incident, which happened June 9 in a posh London restaurant.

Saatchi, 70, earlier had characterized the incident as a "playful tiff" during an intense debate about the couple's children.

Lawson, 53, is a well-known TV presenter and chef whose cookbooks are best-sellers in Britain and the United States.

Under British law, a caution is a formal warning given to someone who admits the offense. It carries no penalty, but it can be used as evidence of bad character if a person is later prosecuted for a different crime.

Saatchi had told the Evening Standard newspaper Monday that the photos made the altercation look worse than it was.

Saatchi said "the pictures are horrific but give a far more drastic and violent impression of what took place."

"About a week ago, we were sitting outside a restaurant having an intense debate about the children, and I held Nigella's neck repeatedly while attempting to emphasize my point," he was quoted as saying. "There was no grip, it was a playful tiff."

Saatchi also told the paper the couple "had made up by the time we were home.

"The paparazzi were congregated outside our house after the story broke yesterday morning, so I told Nigella to take the kids off till the dust settled."

Lawson's spokesman, Mark Hutchinson, confirmed that she and her children had left the family home after the photos were published but declined to comment further.

Saatchi and Lawson married in 2003 and live in London with Lawson's son and daughter from her marriage to journalist John Diamond, who died of cancer in 2001, and Saatchi's daughter from a previous marriage.

Lawson gained fame with her 1998 best-seller "How To Eat" and subsequent "How to Be a Domestic Goddess" (2000) and is one of Britain's best-known cookbook writers, as well as the host of foodie TV shows including "Nigella Bites" and ABC's cooking program "The Taste."

A former journalist who attended Oxford University, she served as deputy literary editor of The Sunday Times and subsequently wrote for numerous other newspapers and magazines.

Lawson is also one of the few British food personalities to have had real success in the United States, both on television and with her cookbooks. She has often made the point that she is not a trained chef, but is simply showing people what they can do in their own kitchens.

She is known for her sensual style on television ? both critics and admirers have called her shows "gastroporn."

Lawson is also known for her refreshing frankness. In January, she made news for insisting that her belly not be airbrushed out of promotional photos for her show, "The Taste," on ABC.

"That tum is the truth and is come by honestly, as my granny would have said," she wrote in a blog post.

Saatchi, co-founder of the Saatchi & Saatchi ad agency, owns one of London's biggest private art galleries. He was the main patron of the Young British Artists movement of the 1990s, which made household names of artists including Damien Hirst and Tracey Emin.

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National Writer Jocelyn Noveck in New York contributed to this report.

Source: http://news.yahoo.com/saatchi-admits-assault-wife-nigella-lawson-111850890.html

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Fetish: Prism Zero G Glider Kite

Fetish: Prism Zero G Glider Kite
This glider kite has a special design that enables it to float not only in light breezes, but also in no breeze at all, so you can toss it like a glider.

Source: http://feedproxy.google.com/~r/GearFactor/~3/FB3ntGeMfF4/

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Academic Jungle: More Musings on Technical Writing

In a comment to my previous post, TheGrinch wrote:


... In my competitive academic field, I simply cannot let my students to take however long they want (or need) to come up with a manuscript with a certain acceptable standard.?

Case in point: my first PhD student, who is an excellent and independent researcher. For his first paper, the draft he gave me was so painful that I kept only the figures and rewrote it entirely. For his second paper, I am trying my best to avoid the temptation to rewrite again. We are now at 9th draft, and it is still nowhere near the minimum passable standard. And as the time goes by, I am starting to lose my patience. No doubt, this process is also hard on the student, who I sense nearing his breaking point. I have heard murmuring of protests, of why I am making it so hard being so hard to please, and why am I not "helping."?

And not just PhD students, the same story goes for postdocs as well. Though at least they are more independent in executing the work. Keep in mind though, these guys are otherwise excellent, and I really have no complaints.?

I really really want them to learn how to write well, as writing well is so important for a successful career as a professional scientist. However, I am also bound by the expectations my organization has for my performance, one of the most important measure of which is the number of papers my group publishes every year. So I cannot also wait forever.?

I was going to just respond in a comment, but then the comment got too long, so here we are...

TheGrinch, I definitely agree. When a piece of work is completed, papers need to go out sooner rather than later, and there are several reasons for that. First, papers are how funding bodies judge success of a project. Grants have milestones and reviews and renewals, which all need to be respected. Secondly, we as PIs are obligated to the funding agencies and the taxpayers to disseminate the knowledge promptly, so that others can benefit from it and build on it. Thirdly, ?for junior PIs, there is the relentless tenure-track clock ticking, and publications need to go out and fast, or the PI's career will be over. There are those who will say that the latter is selfish, that we are there to educate the students first and foremost. No. Caring about keeping your own job -- highly competitive and unlikely to get a second chance at -- is not selfish; losing it for reasons that are within your ability to fix is just stupid. Nobody will give you a medal for the most caring mentor evah if your get denied tenure on account of not enough papers, which you only didn't publish out of some misguided belief that the students should be allowed to take as much time as they need to produce publishable text.

On the other hand, there is no doubt in my mind that training students and postdocs how to write technical papers is an important part of PhD and postdoctoral training, regardless of the student or postdoc going into academia or not. No matter what they end up doing, they are PhD-holding scientists and engineers, and will be writing technical texts one way or another throughout their careers. Writing is paramount. (The same goes for being able to give presentations, but that's another story.) Therefore, I am all for giving the student or postdoc who did the work the opportunity to draft and revise the manuscript, incorporating detailed comments. However, the student/postdoc has to take this task seriously and the text has to significantly improve between drafts; the manuscript actually has to converge to a publishable form within a reasonable time frame, otherwise the student or postdoc loses the privilege (or some would say the burden) of working on the text. Now, what is a "reasonable time frame"? Well, that depends on a number of variables, with a few that come to mind being:

  • Is there a ?grant application or renewal deadline? Is it a paper on the work from a grant that ended and that you are not renewing? Is it from a grant that's in year 2 out of 3?
  • Is the PI going up for tenure in the next couple of years??
  • Are you in danger of getting scooped?
  • Is the publication of this work holding up something else, perhaps more impactful, in the pipeline? (e.g. you need to get the instrumentation paper published, so you can write up a paper on the awesome new experimental finding using said instrumentation)

  • So a paper may need to get out in a matter of weeks, but you may also have months. While on the tenure track, I was considerably more high-strung and anxious about papers getting out ASAP and was quicker to say "Screw it, I am rewriting this whole damn thing" than I am now.

    Among professional scientists and engineers, there are some who naturally have more of a talent for writing in general and those who have less. Still, all have to learn to write competently. Fortunately, technical writing is to a great degree formulaic, so there is a fairly low natural ability threshold for becoming decent at it. I am confident that any methodical, systematic scientist or engineer, who understands the importance of clearly communicating findings, can become at least a competent writer regardless of literary talent. But the key is accepting that technical writing is an inherent part of the profession, and that mastering it is not a nuisance.

    No junior researcher starts their technical writing journey with flawless prose. Everyone needs guidance, especially when they first start. Many PIs provide copious comments on (usually) written drafts of manuscripts, which the student is supposed to take to heart and not only incorporate the corrections in the text, but also learn from the comments and extrapolate for the future, understanding why these comments were made and why certain things fly and certain others don't in research manuscripts (obviously, when things are unclear, the advisor should be for clarification).

    In my experience, there are several types of students based on what happens after that first draft of the first paper.

    1) There are students whose quality of writing ramps up remarkably fast. I don't think that correlates with whether or not they want to be professors; my first student went to industry and was like that. I also don't think it necessarily correlates with natural writing or speaking ability. Some people just really own their writing proficiency and are very focused on improving it. My first student showed remarkable improvement within the timespan of two papers; the first draft of the second manuscript was already in excellent shape, it looked like a scientific article rather than ruminations of a near-layperson. I have had the fortune of working with a few others junior researchers who were like that. These people really strive to improve, analyze what needs to be changed, are not afraid to seek input from me or others, and are open to criticism.

    2) Some students are really not motivated to improve their writing because of a misguided idea that it's unimportant for their jobs in the "real world" but only something they need to suffer through in order to get the diploma. No matter how often I tell my students that no matter where they work chances are they will have to write technical texts all the time, some nonetheless keep thinking they know better and don't want to put in much effort. I had a student who published prolifically and who was like that. Even his very last paper was barely passable after many draft iterations, you could see that didn't give a rat's ass about the paper. He dutifully entered specific corrections, but refused to engage his brain in writing. I always ended up having to heavily revise despite many, many back-and-forths on each manuscript.

    3) Some people think you, the advisor/PI, have stupid and unreasonable demands, such as that the text actually be readable by humans. They think you are ruining their manuscript by dumbing it down, and that the worthy will understand the innumerable "implied" assumptions while the unworthy are, understandably, not worthy of an explanation anyway. I had a brilliant student who was like that, and with whom every article was like pulling teeth, as we would argue over every change. (He behaved similarly in regards to comments to his presentations -- whenever I said something was unclear and should be presented differently, he would not take it at face value and go fix it, but would instead go on to argue with me how it is in fact clear and should be understood in a following manner.)

    4) Many students have the right attitude and are willing to make improvements, but really have a hard time deciphering what it is that makes a difference between a well-written manuscript and a poorly-written one. I am afraid there is no substitute here for the advisor pinpointing what the building blocks of a manuscript are and what the students are to look for, how certain parts are structured, and what good and bad examples of writing are. I do this with students individually as well as in group meetings periodically. We talk about the common parts of short communications and comprehensive articles, how each part is structured etc. The abstract and introduction are the hardest for students to write well, and we talk about them a lot and often. There are also differences in how to write for a Reputable Society Journal versus Prestigious Society Letters versus a Glamour Magazine, on top of deciding what type of publication venue is appropriate for given results. Talking about all these with group members is important.

    It's tempting to send students to take technical writing courses, but I would advise caution. Recently, a student advised by another professor in a 3-PI collaboration submitted the first draft of his manuscript. It was a passive voice monstrosity. When all three PIs went "WTF passive voice?" he told us that he had taken a technical writing course in which he had been taught explicitly that he was to use passive voice for objective facts and only use first person singular (plural) when stating his (our) subjective beliefs. Being that this was technical paper, it was almost all in passive voice. Now, I have no idea who taught this class he took, but this is decidedly NOT the way to write scientific articles today. Passive voice is passe, and is generally used sparingly in technical writing. There is nothing wrong with saying "We measured this..."

    My point is we cannot just send students to be educated by others, without knowing what it is that they are getting. Sure, students for whom English is a second language would often benefit from writing in a variety of forms, as much as they can, and all sorts of courses where they get feedback on grammar and vocabulary and general style are likely to be very useful. But when it comes to writing scientific manuscripts, there are conventions ?that are best taught by practicing scientists. There is no substitute for a motivated student learning from an involved advisor, getting feedback on drafts, and doing their best to understand what the improvements mean and trying to internalize them.

    Source: http://academic-jungle.blogspot.com/2013/06/more-musings-on-technical-writing.html

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