Monday, July 1, 2013

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Friday, May 3, 2013

PlayJam's Jasper Smith on Nokia's lineage and two-piece smartphones

PlayJam's Jasper Smith on Nokia's lineage and two-piece smartphones

Every week, a new and interesting human being tackles our decidedly geeky take on the Proustian Q&A. This is the Engadget Questionnaire.

In the latest version of our weekly smattering of queries, PlayJam's CEO Jasper Smith reflects on Nokia's early device design and dreams of a space-scooting future. His thoughts on those topics and much more reside on the other side of the break.

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Comments

Source: Engadget Distro

Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/4JhSDnrsci4/

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Google's New Apps Are Bad For Microsoft - Business Insider

Stephen Lam, Getty Images

Microsoft CEO Steve Ballmer

Google is making big improvements to its Chrome operating system to make it function a lot more like a regular PC.

Google has just taken a small step with something called "packaged apps" that could have big implications.

Google Chrome is a cloud-only device. It doesn't store all of its software on a hard drive like a Windows PC or a Mac. Instead, everything is pretty much accessed through a browser over the Internet. That's great when you have Internet access, not so good when you don't.

Packaged Apps are different because they still work when the Internet goes down. They've been fairly experimental. Google asked developers to build some a few months ago and since them, developers have been experimenting and uploading some to the developer-only section of the Chrome Web Store.

But the only way to find those apps was to have an exact URL web address.

Today, Google announced that it was making those apps visible on its Web store under a new tab called "Apps."? Apps that can't run locally will be found under a new category, called ?Websites.?

Right now, only people using the developer version of the Web Store can see the new "Apps" and "Websites" tabs, because Google feels that many packaged apps are still "works in progress," according to a blog posted by Web store product manager Amanda Bishop.

But the new tabs should become visible to everyone else soon.

If Google can create a wide selection of Packaged Apps, it helps Chrome OS compete with Microsoft Windows. Chromebooks start at $249. The high-end Chromebook, called Pixel introduced in February starts at $1,299. While reviewers loved its hardware, the lack of software for the price was a big complaint.

Source: http://www.businessinsider.com/googles-new-apps-are-bad-for-microsoft-2013-5

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Thursday, May 2, 2013

Women's groups decry appeal on morning-after pill

WASHINGTON (AP) ? The Obama administration's decision to appeal a court order lifting age limits on purchasers of the morning-after pill set off a storm of criticism from reproductive rights groups, who denounced it as politically motivated and a step backward for women's health.

"We are profoundly disappointed. This appeal takes away the promise of all women having timely access to emergency contraception," Susannah Baruch, Interim President & CEO of the Reproductive Health Technologies Project, said in a statement late Wednesday.

"It is especially troubling in light of the Food and Drug Administration's move yesterday to continue age restrictions and ID requirements, despite a court order to make emergency contraception accessible for women of all ages. Both announcements, particularly in tandem, highlight the administration's corner-cutting on women's health," Baruch said. "It's a sad day for women's health when politics prevails."

The FDA on Tuesday had lowered the age at which people can buy the Plan B One-Step morning-after pill without a prescription to 15 ? younger than the current limit of 17 ? and decided that the pill could be sold on drugstore shelves near the condoms, instead of locked behind pharmacy counters. It appeared to be a stab at compromise that just made both sides angrier.

After the appeal was announced late Wednesday, Terry O'Neill, president of the National Organization for Women, said, "The prevention of unwanted pregnancy, particularly in adolescents, should not be obstructed by politicians." She called it a "step backwards for women's health."

Last week, O'Neill noted, President Barack Obama was applauded when he addressed members of Planned Parenthood and spoke of the organization's "core principle" that women should be allowed to make their own decisions about their health.

"President Obama should practice what he preaches," O'Neill said.

In appealing the ruling Wednesday, the administration recommitted itself to a position Obama took during his re-election campaign that younger teens shouldn't have unabated access to emergency contraceptives, despite the insistence by physicians groups and much of his Democratic base that the pill should be readily available.

The Justice Department's appeal responded to an order by U.S. District Judge Edward Korman in New York that would allow girls and women of any age to buy not only Plan B but its cheaper generic competition as easily as they can buy aspirin. Korman gave the FDA 30 days to comply, and the Monday deadline was approaching fast.

In its filing, the Justice Department said that Korman exceeded his authority and that his decision should be suspended while that appeal is under way, meaning only Plan B One-Step would appear on drugstore shelves until the case is finally settled. If Korman's order isn't suspended during the appeals process, the result would be "substantial market confusion, harming FDA's and the public's interest" as drugstores receive conflicting orders about who's allowed to buy what, the Justice Department concluded.

Reluctant to get drawn into a messy second-term spat over social issues, White House officials insisted Wednesday that both the FDA and the Justice Department were acting independently of the White House in deciding how to proceed. But the decision to appeal was certain to irk abortion-rights advocates who say they can't understand why a Democratic president is siding with social conservatives in favor of limiting women's reproductive choices.

Current and former White House aides said Obama's approach to the issue has been heavily influenced by his experience as the father of two school-age daughters. Obama and Health and Human Services Secretary Kathleen Sebelius have also questioned whether there's enough data available to show the morning-after pill is safe and appropriate for younger girls, even though physicians groups insist that it is.

Rather than take matters into his own hands, the Justice Department argued to the 2nd U.S. Circuit Court of Appeals that Korman should have ordered the FDA to reconsider its options for regulating emergency contraception. The court cannot overturn the rules and processes that federal agencies must follow "by instead mandating a particular substantive outcome," the appeal states.

The FDA actually had been poised to lift all age limits and let Plan B sell over the counter in late 2011, when Sebelius overruled her own scientists. Sebelius said some girls as young as 11 were physically capable of bearing children but shouldn't be able to buy the pregnancy-preventing pill on their own.

Sebelius' move was unprecedented, and Korman had blasted it as election-year politics ? meaning he was overruling not just a government agency but a Cabinet secretary.

More than a year later, neither side in the contraception debate was happy with the FDA's surprise twist, which many perceived as an attempt to find a palatable middle ground between imposing an age limit of 17 and imposing no limit at all.

Any over-the-counter access marks a long-awaited change, but it's not enough, said Dr. Cora Breuner of the American Academy of Pediatrics, which supports nonprescription sale of the morning-after pill for all ages.

"We still have the major issue, which is our teen pregnancy rate is still too high," Breuner said.

Even though few young girls likely would use Plan B, which costs about $50 for a single pill, "we know that it is safe for those under 15," she said.

Most 17- to 19-year-olds are sexually active, and 30 percent of 15- and 16-year-olds have had sex, according to a study published last month by the journal Pediatrics. Sex is much rarer among younger teens. Likewise, older teens have a higher pregnancy rate, but that study also counted more than 110,000 pregnancies among 15- and 16-year-olds in 2008 alone.

Social conservatives were outraged by the FDA's move to lower the age limits for Plan B ? as well as the possibility that Korman's ruling might take effect and lift age restrictions altogether.

"This decision undermines the right of parents to make important health decisions for their young daughters," said Anna Higgins of the Family Research Council.

If a woman already is pregnant, the morning-after pill has no effect. It prevents ovulation or fertilization of an egg. According to the medical definition, pregnancy doesn't begin until a fertilized egg implants itself into the wall of the uterus. Still, some critics say Plan B is the equivalent of an abortion pill because it may also be able to prevent a fertilized egg from attaching to the uterus, a contention that many scientists ? and Korman, in his ruling ? said has been discredited.

___

Associated Press writer Pete Yost contributed to this report.

Source: http://news.yahoo.com/womens-groups-decry-appeal-morning-pill-071825445.html

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Tuesday, April 30, 2013

Tebow Time in New York over after Jets cut QB

In this Sunday, Dec. 30, 2012 photo, New York Jets quarterback Tim Tebow (15) warms up before an NFL football game against the Buffalo Bills in Orchard Park, N.Y. The New York Jets say, Monday, April 29, 2013, they have waived Tebow. (AP Photo/Gary Wiepert)

In this Sunday, Dec. 30, 2012 photo, New York Jets quarterback Tim Tebow (15) warms up before an NFL football game against the Buffalo Bills in Orchard Park, N.Y. The New York Jets say, Monday, April 29, 2013, they have waived Tebow. (AP Photo/Gary Wiepert)

New York Jets quarterback Tim Tebow arrives on the first day of NFL football offseason workouts at the Jets practice facility in Florham Park, N.J., Monday, April 15, 2013. (AP Photo/Mel Evans)

NEW YORK (AP) ? Tebow Time is over in New York ? before it ever got started.

Tim Tebow was waived by the Jets on Monday, the end of an unsuccessful one-season experiment in New York.

Coach Rex Ryan said in a statement by the team in announcing the move that had been expected for months: "Unfortunately, things did not work out the way we all had hoped."

The Heisman Trophy winner attempted just eight passes after his ballyhooed arrival in a surprising trade from the Denver Broncos in March 2012. He threw for 39 yards and rushed 32 times for 102 yards ? and stunningly had no touchdowns as a member of the Jets.

Meanwhile, starter Mark Sanchez struggled amid constant questions about Tebow's playing time, and still Tebow remained mostly on the sideline. The Jets and new general manager John Idzik drafted former West Virginia star Geno Smith in the second round of the NFL draft Friday, giving New York six quarterbacks on its roster ? and creating uncertainty about Sanchez's future as well.

Tebow arrived at the team's facility in Florham Park, N.J., on Monday morning and was told he had been cut.

"Tim is an extremely hard worker, evident by the shape he came back in this offseason," Ryan said. "We wish him the best moving forward."

Tebow led the Broncos to the playoffs in 2011, but became expendable when Denver signed Peyton Manning as a free agent. The popular backup quarterback was acquired by the Jets for a fourth-round draft pick and $1.5 million in salary. He was introduced at the Jets' facility to plenty of fanfare at a lavish news conference, with Tebow repeatedly saying he was "excited" to be in New York.

It turned out to be one of the few high points in Tebow's stay with the Jets. Along with his shirtless jog from the practice field in the rain during training camp, of course.

Owner Woody Johnson jokingly said last season that "you can never have enough Tebow." Well, the Jets apparently had their fill after just one year.

From the day the Jets made the move to bring Tebow in to compete with Sanchez, many fans and media predicted it was only a matter of time before the former Florida star stepped in as the starting quarterback. There were billboards outside the Lincoln Tunnel in New Jersey welcoming Tebow, and sandwiches named after him at Manhattan delis.

Meanwhile, the Jets insisted having both Tebow and Sanchez would not be a distraction. The plan was that the team would benefit from having both players' different skill sets: Sanchez as the traditional quarterback, and Tebow running the wildcat-style offense.

While everyone from Johnson to Ryan to former general manager Mike Tannenbaum to former offensive coordinator Tony Sparano said they were all "on board" with Tebow, it became evident early that he had no clear role.

And Tebow simply didn't impress enough in practice to earn more playing time.

Ryan refused to start Tebow in place of a struggling Sanchez late in the season, choosing instead to go with third-stringer Greg McElroy ahead of him for one game ? despite Tebow's multitude of fans taking to Twitter and begging the team to give their favorite player a chance. The since-fired Sparano never was able to figure out a way to consistently use Tebow, who spent most of his time on the sideline during games.

He was solid in his role on special teams as the personal punt protector, but the Jets stopped using him even there after he broke two ribs in a game at Seattle in November. Tebow's overall role diminished greatly after the injury, even after he healed. He tried to hide his frustration, but acknowledged late in the season that things didn't turn out quite how he expected in New York.

"I think it's fair to say," Tebow said, "that I'm a little disappointed."

The Jets appear to be sticking with Sanchez despite his struggles and the arrival of Smith as the future quarterback because he is guaranteed $8.25 million this season. But Idzik made it clear that the team would bring in competition for Sanchez. Tebow, however, is not going to be among the team's options. And, he's free to explore other opportunities ? even if there don't seem to be many at this point.

It appeared Jacksonville, the other team to pursue Tebow last offseason, would be an obvious landing spot. But new general manager David Caldwell nixed the idea of a happy homecoming when he declared at his introductory news conference that he couldn't "imagine a scenario in which he'll be a Jacksonville Jaguar."

Many believe Tebow's best chance to stick in the NFL would be to switch positions, but he insists he is a quarterback and just wants an opportunity. Just as the Broncos gave him two seasons ago when he took over for Kyle Orton and led Denver to several comeback victories and into the playoffs.

Tebow was the talk of the country back then, as it seemed everyone ? including actor Robert Downey Jr. at the Oscars ? was dropping to a knee to do their version of "Tebowing," mimicking the quarterback's prayerful pose.

It was something that was absent all season in his stint with the Jets.

Chicago could be a possibility since new coach Marc Trestman worked with Tebow before the NFL draft in 2010 and in the Senior Bowl and liked what he saw. He'd be a backup there behind Jay Cutler, though. Tampa Bay, San Diego and New England might also be options.

Tebow could also head to Canada and play in the CFL, taking the route several others before him have, such as Doug Flutie, Warren Moon and Jeff Garcia. The Montreal Alouettes own his exclusive negotiating rights, but whether Tebow would even be open to a move north of the U.S. border is uncertain.

Brett Bouchy, the owner of the Orlando Predators of the Arena League, recently told the Orlando Sentinel that his team would "love to have him," and added that "we have a contract waiting for him to sign."

Either way, it's quite a fall from grace for Tebow, who was a two-time national champion with the University of Florida, and whose No. 15 Broncos jersey ranked second in national sales to Green Bay's Aaron Rodgers in 2011. He remained a model citizen throughout his frustrating year in New York and answered the constant barrage of questions about his role and mindset all season.

Recently retired Jets special teams coordinator Mike Westhoff labeled the way the team used Tebow an "absolute mess." Former Jets teammate Mike DeVito, now with Kansas City, said after the season that he would've liked to have seen Tebow get a chance.

Whether Tebow gets another one elsewhere ? and if it's as a quarterback ? this season remains to be seen.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/347875155d53465d95cec892aeb06419/Article_2013-04-29-Jets-Tebow%20Waived/id-cf40482184d54db28e26a8b705715115

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Obama administration simplifies health care form

(AP) ? The first draft was as mind-numbing and complex as tax forms. Now the Obama administration is unveiling a simplified application for health insurance benefits under the federal health care overhaul.

Details to be released Tuesday include a three-page short form that single people can fill out, administration officials said. Medicare chief Marilyn Tavenner, also overseeing the rollout of the health care law, called it "significantly shorter than industry standards."

The earlier draft of the application was widely panned, and administration allies feared uninsured people would give up in frustration. Administration officials say they have trimmed the paperwork burden back considerably.

One activist briefed on the changes said Monday the administration has made big improvements. Ron Pollack, executive director of Families USA, said the new application will be easier to navigate and much less intimidating.

Although the new forms may be shorter, it's unclear whether the administration can get rid of all the complexity. That's because applicants will have to provide detailed snapshots of their incomes to see whether they qualify for government assistance. Individuals will have to gather tax returns, pay stubs and other financial records before filling out the application.

Nearly 30 million uninsured Americans are eventually expected to get coverage through President Barack Obama's health care law. Enrollment starts Oct. 1 for coverage that takes effect Jan. 1. Middle-class people who don't get coverage through their jobs will be able to purchase private insurance, in most cases with the help of tax credits to make premiums more affordable. Low-income uninsured people will be steered to government programs like Medicaid.

Administration officials expect most consumers to apply online through new health insurance marketplaces that will be operating in each state. A single application form will serve to route consumers to either private plans or the Medicaid program. Identification, citizenship and immigration status, as well as income details, are supposed to be verified in close to real time through a federal "data hub" that will involve pinging Social Security, Homeland Security and the Internal Revenue Service.

Currently, applying for health insurance individually entails filling out a lengthy questionnaire about your health. Under Obama's overhaul, insurers will no longer be able to turn away the sick, or charge them more. The health care questions will disappear, but they'll be replaced by questions about your income. Consumers who underestimate their incomes could be in for an unwelcome surprise later on in the form of smaller tax refunds.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/bbd825583c8542898e6fa7d440b9febc/Article_2013-04-30-Health%20Overhaul-Applying%20for%20Benefits/id-658f11a3a2ae465da20880c127917e3c

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Justice Breyer released from hospital after bicycle fall

By Lawrence Hurley

WASHINGTON (Reuters) - Supreme Court Justice Stephen Breyer was released from the hospital on Monday after being injured in a fall from his bicycle last week, a court spokeswoman said.

Breyer, 74, had shoulder surgery on Saturday at Georgetown University Hospital to repair a broken bone in his right shoulder after the bicycle accident on Friday afternoon near the Korean War Veterans Memorial in Washington.

He missed the court's public session on Monday. The next time the nine justices are due to meet is at their private conference on May 9. The next public session is scheduled for May 13.

Breyer is no stranger to bicycle accidents, having been injured twice before.

In 2011, he broke his collarbone, while in 1993, before he was appointed to the court, he broke his ribs and suffered a punctured lung.

Breyer, who was appointed by President Bill Clinton in 1994, is viewed as a moderate on the liberal wing of the nine-member court.

(Reporting by Lawrence Hurley; Editing by Howard Goller and Eric Beech)

Source: http://news.yahoo.com/justice-breyer-released-hospital-bicycle-fall-213013638.html

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Sunday, April 28, 2013

Miss. man arrested in ricin-laced letters case

JACKSON, Miss. (AP) ? A Mississippi man whose home and business were searched as part of an investigation into poisoned letters sent to the president and others has been arrested in the case, according to the FBI.

Everett Dutschke, 41, was arrested about 12:50 a.m. Saturday at his Tupelo home by FBI special agents in connection with the letters, FBI spokeswoman Deborah Madden said. The letters, which allegedly contained ricin, were sent last week to President Barack Obama, Sen. Roger Wicker of Mississippi and earlier to an 80-year-old Mississippi judge, Sadie Holland.

Madden said FBI special agents arrested Dutschke (pronounced DUHS'-kee) without incident. She said additional questions should be directed to the U.S. attorney's office. The office in Oxford did not immediately respond to messages Saturday.

Dutschke's attorney, Lori Nail Basham, did not immediately respond to phone or text messages Saturday. Basham said earlier this week that Dutschke was "cooperating fully" with investigators. Dutschke has insisted he had nothing to do with the letters.

Ryan Taylor, a spokesman for Wicker, said Saturday that "because the investigation is still ongoing, we're not able to comment."

Charges in the case were initially filed against an Elvis impersonator but then dropped. Attention then turned to Dutschke, who has ties to the former suspect and the judge and senator. Earlier in the week, as investigators searched his primary residence in Tupelo, Dutschke had remarked to reporters, "I don't know how much more of this I can take."

Charges initially were filed last week against Paul Kevin Curtis, 45, the Elvis impersonator, but then dropped after authorities said they had discovered new information. Curtis' lawyers say he was framed.

Curtis' attorney, Christi McCoy, said Saturday: "We are relieved but also saddened. This crime is nothing short of diabolical. I have seen a lot of meanness in the past two decades, but this stops me in my tracks. "

Dutschke and Curtis were acquainted. Curtis said they had talked about possibly publishing a book on an alleged conspiracy to sell body parts on a black market. But he said they later had a feud.

Judge Holland is a common link between the two men who have been investigated, and both know Wicker.

Holland was the presiding judge in a case in which Curtis was accused of assaulting a Tupelo attorney in 2004. Holland sentenced him to six months in the county jail. He served only part of the sentence, according to his brother.

Holland's family has had political skirmishes with Dutschke.

Her son, Steve Holland, a Democratic state representative, said he thinks his mother's only other encounter with Dutschke was at a rally in the town of Verona in 2007, when Dutschke ran as a Republican against Steve Holland.

Holland said his mother confronted Dutschke after he made a derogatory speech about the Holland family. She demanded that he apologize, which Holland says he did.

Steve Holland said he doesn't know if his mother remembers Curtis' assault case.

___

Associated Press writer Jack Elliott Jr. in Jackson, Miss., contributed to this report.

Source: http://news.yahoo.com/fbi-miss-man-arrested-suspicious-letters-case-151339370.html

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Marathon deaths prompt review of security policy

Left unattended, no accessory looks as menacing these days as a backpack.

At the airport. On the subway. At a sports event.

And, as a result of the two backpack-encased bombs that exploded near the finish line at the Boston Marathon, sports teams and leagues around the world are rethinking what kind of bags, satchels, purses and, yes, black nylon backpacks should be allowed inside stadiums and arenas.

The packs will even be the focal point of a conference this summer of stadium-security personnel in Orlando .

"After what happened ... I wouldn't be surprised if the number of people eliminating backpacks would increase," said Lou Marciani, director of the National Center for Spectator Sports Safety and Security, founded in 2006 and based at the University of Southern Mississippi in Hattiesburg.

Next Saturday, more than 165,000 people are expected at Churchill Downs for the Kentucky Derby. Backpacks, duffel bags and large purses have been banned from the track since 2002 ? part of the clamp-down that followed the Sept. 11 attacks. Still, Derby officials have told fans their bags will undergo increased security checks for this year's race.

No matter where the world ends up on the bag-check spectrum, some fans may never again regard the pack slung across their body quite the same way.

"I never really thought about backpacks until last week, and now you notice backpacks all over the place," said Ryan Hershberger of Hartwell, Ga., as he headed into a Colorado Rockies game carrying a black backpack. "It makes you think."

Down the street, at the Denver Nuggets game, a handful of fans shared the same sentiment.

"I've been thinking about it all day," Joel Cross said on the concourse at the Pepsi Center in Denver. He and his wife traveled from Harrisburg, Neb., to attend Tuesday night's Nuggets playoff game. "We're from a community where our whole county only has 600 people in it. Nobody is going to bomb us because there's no one there. But we're coming to a populated area."

The NFL beefed up security for thousands of fans attending its annual draft, which runs through Saturday, with metal detectors, pat-downs and about 20 percent more personnel in place than previous years. Backpacks are banned. The league said it would consider what, if any, changes might be made for the 2013 season, which ends with the Super Bowl in New York next February.

Major League Baseball's security officials met Thursday but Commissioner Bud Selig said no changes are expected in the rules on bags fans can bring to ballparks, generally limited to 16x16x8 inches. The meeting was scheduled before the Boston explosions that killed three and injured more than 260/

"I wouldn't say that Boston has changed anything," Selig said. "Each club makes its own decision."

At Yankee Stadium, for example, briefcases, coolers and other hard-sided bags or containers are not permitted. At Kansas City's Kauffman Stadium, wrapped presents are banned along with cameras with lenses of 12 or more inches. The Baltimore Orioles ban bags with wheels at Camden Yards.

Boston and San Francisco were among the teams opting to use metal-detecting wands on fans and their possessions this week.

"We've added people, and people are getting in faster now, so we're going to stick with the plan," Giants president and CEO Larry Baer said.

Though the marathon bombings caught the attention of the world, not every event or championship, especially overseas, is beefing up or changing security measures.

For instance, officials at Manchester United, the FA Cup final and the European Champions League say their policies, which either ban large bags or strongly discourage them, are under constant review but not set to change.

"We did, of course, contact the police in the aftermath of the Boston bombings, as part of our commitment to the security of fans and visitors to the stadium," Manchester United said in a statement.

At Wimbledon, where tennis action starts in June, no changes are planned.

"It was a terrible event, but we have no reason to believe it's something that has a direct impact on Wimbledon," All-England Club chief executive Richard Lewis said, referring to the Boston explosions.

At the Summer Olympics in London, soft-sided bags were required to fit under seats and couldn't hold more than 25 liters (6 gallons).

Sebastian Coe, who led London's organizing committee, says a ban on backpacks at sports events would not be justified.

"We have to make some pretty tough decisions in the way we want to live our lives," he said. "It's very easy to draw all sorts of conclusions (from the Boston bombings). Do we want to live in a world where people can't wear backpacks to sporting events? I'm not sure we do."

Organizers in Brazil aren't making any radical changes to their backpack policy for the upcoming Confederations Cup or next year's World Cup. So far, the extensive list of prohibited items includes "unwieldy" bags ? no more than 10x10x10 inches and too big to fit under a seat.

Officials in Russia, which hosts the 2018 World Cup, said that whenever a sports-related tragedy occurs, they review what happened "to ensure that our own regulations and procedures are sufficiently covering such potential tragedies or risks."

In Sochi, Russia, site of February's Winter Olympics, security for test events was so stringent that the president of the international skiing federation, Gian Franco Kasper, cracked, "The only moment they didn't inspect our athletes was during the race."

International Olympic Committee member Dick Pound of Canada said one strategy might be to push back security boundaries.

"I remember in Vancouver and other places, the tension between the organizers and the events and the security folks was over the size of the perimeter," Pound said. "If you can move the perimeter back 50 or 100 meters, a backpack bomb is going to have less lethal effect."

In the U.S., NBA spokesman Tim Frank wouldn't comment on specific security practices, beyond saying: "We regularly practice a wide range of state of the art security measures in all of our arenas." The Nuggets have long used wands and searched bags. But Cross' wife, Shelly, said she noticed a more extensive security presence at Tuesday's game than the last time they made the trip to Denver.

"We were here not too long ago and we don't remember this," she said.

At least one backpack developer said she was unaware of any pending changes to basic designs. She also thought the bombings were unlikely to create a need for see-thru or clear backpacks.

"I don't think people want to share their belongings with everyone. Everyone wants their privacy," said Annelies Mertens, a member of the Samsonite development team in Belgium. "I don't think this will have an influence on the way backpacks are made. I don't see that happening."

While the Boston Marathon presented its own set of difficult challenges ? securing a 26-mile course dotted with trash cans and spectators on almost every block ? one expert says there's no such thing as perfect security guidelines, regardless of venue.

"A no-backpack policy is fine if it applies to everyone," said Derek Catsam, an associate professor at University of Texas of the Permian Basin in Odessa who has studied the safety issue in stadiums. "But then you start making exceptions for people with kids, and for the elderly and for women with purses and people in expensive seats. Where does it end? You can have a policy or not have a policy. But once you start selectively enforcing it, that's going to be problematic."

After the bombings, the NHL's Boston Bruins added metal-detecting wands to their security regimen and checked cars parking in a garage underneath the arena. Security measures vary by arena in the NHL. The New York Islanders, for example, don't allow backpacks; the Detroit Red Wings ban oversized bags and search all bags that are allowed in.

Catsam said security can always be ratcheted up, but then comes the issue of how much convenience people are willing to give up for the sake of safety.

"They could start saying you can bring whatever kind of backpack you want but you have to go through an X-ray system like you do at the airport," he said. "It would take forever and we'd adjust, but I'm not sure what we'll discover or if we'll be making anything really safer."

Marciani, on the other hand, envisions a day when backpacks are as obsolete at a stadium as the bulky transistor radios that fans once brought along so they could listen to play-by-play as they watched the game.

"I think it's just one less aggravation we'd have to put up with," he said. "I'd just say, 'Why backpacks at a stadium?' I don't think we need them."

___

AP Sports Writers Pat Graham in Denver, Howard Fendrich in Washington, Stephen Wilson, Rob Harris, Steve Douglas and Chris Lehourites in London, Tales Azzoni in Sao Paolo, Brazil, Janie McCauley in San Francisco, Jon Krawczynski in Minneapolis, Graham Dunbar in Geneva, Jimmy Golen in Boston, Ben Walker and Ron Blum in New York, David Ginsburg in Baltimore and Bernie Wilson in San Diego and Associated Press reporter Peter Banda contributed to this report.

Source: http://news.yahoo.com/marathon-deaths-prompt-review-security-policy-192823940.html

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Saturday, April 27, 2013

Obama vows to defend abortion rights at Planned Parenthood event (Washington Post)

Share With Friends: Share on FacebookTweet ThisPost to Google-BuzzSend on GmailPost to Linked-InSubscribe to This Feed | Rss To Twitter | Politics - Top Stories News, RSS Feeds and Widgets via Feedzilla.

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Samsung Electronics profit jumps ahead of Galaxy S4 debut

SEOUL (Reuters) - Samsung Electronics Co Ltd reported on Friday its sixth straight quarter of profit growth ahead of the debut of its latest Galaxy smartphone, the South Korean IT giant's biggest assault on rival Apple Inc yet.

By launching the Galaxy S4 in the United States on Saturday, Samsung is taking aim at Apple's home market at a time when the iPhone maker appears to have hit a snag. Earlier this week, Apple reported its first profit decline in more than a decade and indicated no major product releases until the fall.

Samsung is widely expected to resume posting record quarterly profits, after a hiatus in January-March, as the S4 is dispatched to 327 mobile carriers in 155 countries.

This week, Samsung has kicked off a massive advertising campaign for the S4 and set up mini stores at Best Buy locations to promote the smartphone. Initial orders have surprised on the upside, with the firm expecting a short-term supply crunch.

Early success of the S4 is crucial in determining the extent of the expected second-quarter record earnings for a company that gets more than 70 percent of its overall profit from mobile devices.

The new S4, which sports a host of software-enabled features, is seen as stealing a head-start on what's widely expected to be an upgraded iPhone later this year. But the Galaxy phone has drawn mixed reviews so far.

Profit from Samsung's mobile division jumped 56 percent to a record 6.51 trillion won in the first quarter, accounting for nearly three quarters of the firm's entire profit, the company said on Friday, before the stock market open.

Samsung, which doesn't provide smartphone sales figures, likely sold 68-70 million smartphones in the quarter ended March, up from 63 million in the previous quarter, according to five analysts.

By contrast, second-ranked Apple said on Tuesday it shipped 37.4 million iPhones in the March quarter, up from 35.1 million a year ago, but down sharply from 47.8 million in the previous quarter.

Samsung's first-quarter overall operating profit increased 54 percent from a year ago to 8.8 trillion won ($7.9 billion), broadly in line with its earlier estimate and almost on par with the fourth-quarter's record of 8.84 trillion won.

Shares in Samsung, valued at around $215 billion, have risen 2 percent in the past three months, beating a 21 percent decline in Apple and a 1 percent drop in the wider market.

(Reporting by Miyoung Kim; Editing by Ryan Woo)

Source: http://news.yahoo.com/samsung-electronics-profit-jumps-ahead-galaxy-s4-debut-103335938--finance.html

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Friday, April 26, 2013

How Many People Have Really Been Killed by Chernobyl?

A Greenpeace activist carries several of 3000 wooden crosses to be set up in front of the Soviet-built nuclear power plant in Bohunice, April 25, 1991 to commemorate the nuclear disaster in Chernobyl five years earlier. A Greenpeace activist carries several of 3,000 wooden crosses to be set up in front of the Soviet-built nuclear power plant in Bohunice on April 25, 1991, to commemorate the nuclear disaster in Chernobyl five years earlier.

Photo by Thomas Szlukovenyi/Reuters

When the Chernobyl nuclear reactor exploded in 1986, experts predicted as many as 40,000 extra cancer deaths from the radiation spewed onto parts of what was then the Soviet Union. Friday is the 27th anniversary of the disaster. How many people has Chernobyl killed so far?

We?ll probably never know. That?s partly because even 40,000 cancer deaths are less than 1 percent of the cancer mortality expected in the affected population. Statistically, the deaths are undetectable. Even if they weren?t, science usually can?t say that a particular cancer was induced by radiation rather than something else.

One exception is thyroid cancer, a very rare disease in children that skyrocketed to nearly 7,000 cases in Belarus, Russia, and Ukraine by 2005. There is no doubt that radioactivity from Chernobyl caused them, including about a dozen fatalities. We also know that two people died in the explosion and more than 100 people, mostly firefighters ignorant of the dangers, received doses high enough to cause acute radiation syndrome. Of them, 29 died within a few months, followed by 18 more deaths over the years. The group seems to be at higher risk for blood cancers.

Other than those sad cases, controversy rages about Chernobyl?s death toll. For the vast majority of the most affected populations, the disaster delivered doses equivalent to a handful of CAT scans. At such low levels, radiation?s health effects are considered long-term and stochastic, or essentially random.

Like the atomic decay that creates radiation, which is impossible to predict for any individual atom, the health effects radiation causes are random, too. A given person who lived in the fallout zone might or might not possess a cesium-137 atom that is quietly mimicking potassium in some innocent cell. The atom might or might not release radiation that hits DNA and mutates it in such a way that might lead to cancer.

The predictions of Chernobyl cancer mortality were based on formulas derived from studies of Japanese atomic bomb survivors. The formulas take the total amount of radiation the Chernobyl disaster released, smear it across the entire affected population, and multiply by a risk factor to come up with a number of deaths.

Experts differ in the risk factors they use, but all the formulas assume that radiation?s long-term health effects?primarily leukemia, the cancer most commonly caused by the atom bombs?are directly proportional to the dose. They also assume there is no minimum threshold dose below which there is no danger. In the radiation exposure jargon, that?s called the linear no-threshold theory.

As Slate?s Darshak Sanghavi has pointed out, the true health effects of low-level radiation can?t be known because any study to identify them would have to include an impossibly large number of people. Additionally, it isn?t clear that the effects of the intense, immediate radiation exposure from the atomic blasts pose the same dangers as do the low but chronic doses from Chernobyl. There is some evidence that cellular repair mechanisms can compensate for lower doses of exposure. For whatever reason, a predicted spike in leukemia cases in people exposed to Chernobyl fallout has not been detected.

Given all the uncertainty, current estimates of the number of deaths caused by Chernobyl differ widely. In 2005, the United Nations predicted 4,000 deaths. Three years later, its committee on atomic radiation abandoned the linear no-threshold model for predicting Chernobyl cancer deaths from doses below the lifetime equivalent of four abdominal CAT scans because of ?unacceptable uncertainties.? Critics such as Greenpeace responded with new predictions of 93,000 cancer deaths caused by Chernobyl.

When evidence is lacking, people make a judgment call about whether to believe something that is theoretically possible but can?t be detected. In the case of cancer deaths from low-level Chernobyl radiation, the U.N. has decided that they don?t exist and linear no-threshold adherents have decided that they do. Neither can be proved right or wrong.

Got a question about today?s news??Ask the Explainer.

Source: http://feeds.slate.com/click.phdo?i=991d3a09f077b666dbc03b1eb41b93b9

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Grandmas and gravity help deter teens from tattoos

?What is it??

That?s the question Gable Rhoads often fields about one of her tattoos, a black-and-red creature that crawls up her left arm. Is it a skeleton? A bird? A bat?

It?s a dragon. But you might not know it, she says, because not only have the colors and lines of the 27-year-old tattoo faded, but "it was just too large to properly visualize on my upper arm in the first place."

Rhoads, now 49, was no kid when she chose her tattoos. "I got my first tattoo when I was 22 and a recent graduate from Marine Corps boot camp; I thought my tattoo signaled to the world there was a tough woman under my shy, quiet exterior," she says.

But one of her daughters, Jade, was not quite an adult yet when she wanted to get hers. And that, as they say, can be a whole different story.

Rhoads' first-person account for Yahoo News was in response to our question: How do parents, especially those tattooed themselves, advise their children against them? That quandary arose somewhat amusingly on Wednesday when President Barack Obama told NBC?s "Today" show that he had warned his daughters that if they got tattoos, he and first lady Michelle Obama would get the same tattoos in the same place?a ?family tattoo,? if you will?and show them off on YouTube. Embarrassment, he implied, is ample deterrence.

Time speeds forward inexorably, and many who get inked face a problem: The tattoo that screamed undying love for a high-school cheerleader, say, or a boyfriend, or paid passionate allegiance to Def Leppard may have been badass back then, but now, not so much.

So, first family aside, what strategies do everyday parents employ to dissuade their kids from getting inked? Yahoo News asked them to share their tactics.

?I never forbade my daughters from getting a tattoo, but I did tell them to think long and hard before permanently changing their bodies,? Rhoads, who also has ?Semper Fi? and her ex-husband's name on her arm, says. ?The Minnie Mouse tattoo may be cute now, but what will the grandkids think when Minnie is wide and wrinkled??

Her ex-husband, she says, was more direct: He told Jade?now 25 with a tattoo of her own daughter's name and another of a flower?that women with tattoos were trashy. He later gave her the silent treatment. Those ploys didn't work.

"[My] tattoos are a part of me, and I do not regret them,? Rhoads, of Highland, Ind., says. ?Time will tell if she will come to regret [hers].?

Grandma is the first line of defense

The admonishment of ?Just Say No? worked in keeping Daniel A. Willis? teen boys from drugs. But keeping them from tattoos? Not so much.

When Joey, Willis? older son, turned 15, he offered the logic of "I want a tattoo, all my friends have one, I don't fit in without one.?

Enter Grandma.

Willis says his mother-in-law, Charlotte, is a very conservative woman. Raised in post-World War II Germany, she readily offers her perspective and doesn?t hesitate to dole out punishment. So, Willis issued Joey two ground rules: First, no tattoos on the face or below the shirt-sleeve. Second, he had to show the tattoo to his grandmother.

Condition No. 2, says Willis, who lives in Denver, was ?a show-stopper.?

Now 29, Joey didn?t get a tattoo until college. His younger brother, 27-year-old Keith, is ink-free.

Gravity can lead to regret

R.D. Hayes had trouble responding to her 7-year-old daughter?s pleas for a tattoo on her arm. Gracie?s age wasn?t the issue. It was because she was intent on copying her mom?s memorial tattoo of Gaje, Gracie's 6-year-old brother, who had been killed in an automobile accident.

Hayes, who lives in Oklahoma City, decided to simply tell the truth: Tattoos mean pain, gravity and regret.

?I remind [my kids] of all the dangers that can come from tattoos and how they may wake up one day and regret it,? Hayes, 28, says. ?I told them that gravity seems to take over as we age and, besides, tattoos can be some of the [worst] pain that you ever felt.?

Hayes, who had been a rebellious kid, says when she got her first tattoo?a small dot between her thumb and index finger?she waited patiently for her father to notice. She doesn't expect her kids will show any less spirit.

Her stepson, Brie, got his tattoo, a colorful teepee on his foot, right after he turned 18. ?It looked a bit girlish,? Hayes says. ?It was something that I wouldn't have placed on my body. He said it was to show off his Native American pride, but I couldn't help but laugh. [H]e now regrets it."

Which added fuel to her belief that parents should stress regret. Failing that, she recommends taking teens to a professional tattoo artist who can explain why it?s important to wait?or not get tattooed at all.

Read other parents? strategies:

Fake Infections Convinced Our Kids to Abhor Tattoos

How I Kept My Son from Getting a Spider-Man Tattoo

Mom to Kids: If You Really Want the Tattoo, Wait for It

No Tattoos?at Least in Inappropriate Places

In Warning Kids Against Tattoos, Sometimes Logic Actually Works

Source: http://news.yahoo.com/blogs/lookout/gravity-grandma-prove-time-tested-deterrents-teens-tattoo-210315072.html

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Thursday, April 25, 2013

Lawmakers ask who knew what about bomb suspect

BOSTON (AP) ? Lawmakers are asking tough questions about how the government tracked suspected Boston Marathon bomber Tamerlan Tsarnaev when he traveled to Russia last year, renewing criticism from after the Sept. 11 attacks that failure to share intelligence may have contributed to last week's deadly assault.

Following a closed-door briefing on Capitol Hill with the FBI and other law enforcement officials on Tuesday, Sen. Saxby Chambliss, R-Ga., vice chairman of the Senate Intelligence Committee, said it doesn't appear yet that anyone "dropped the ball." But he said he was asking all the federal agencies for more information about who knew what about the suspect.

"There still seem to be serious problems with sharing information, including critical investigative information ... not only among agencies but also within the same agency in one case," said committee member Sen. Susan Collins, R-Maine.

Lawmakers intensified their scrutiny as funerals were held Tuesday for an 8-year-old boy killed in the bombings and a campus police officer who authorities said was shot by Tsarnaev and his younger brother days later. While family said that the older Tsarnaev had been influenced by a Muslim convert to follow a strict type of Islam, brother 19-year-old Dzhokhar Tsarnaev remained hospitalized after days of questioning over his role in the attacks. Tsarnaev, 26, was killed in a shootout with police last week.

Conflicting stories appeared to emerge about which agencies knew about Tamerlan Tsarnaev's six-month trip to Russia last year how they handled it. Homeland Security Secretary Janet Napolitano told the Senate Judiciary Committee on immigration legislation that her agency knew about Tsarnaev's journey to his homeland.

But Sen. Lindsey Graham, R-S.C., said the FBI "told me they had no knowledge of him leaving or coming back."

Information-sharing failures between agencies prompted an overhaul of the U.S. intelligence system after the Sept. 11, 2001, terror attacks.

Meanwhile, evidence mounted that Tsarnaev had embraced a radical, anti-American strain of Islam. Family members blamed the influence of a Muslim convert, known only to the family as Misha, for steering him toward a strict type of Islam.

"Somehow, he just took his brain," said Tamerlan's uncle, Ruslan Tsarni of Montgomery Village, Md., who recalled conversations with Tamerlan's worried father about Misha's influence.

Authorities don't believe Tsarnaev or his brother had links to terror groups. However, two U.S. officials said that Tsarnaev frequently looked at extremist websites, including Inspire magazine, an English-language online publication produced by al-Qaida's Yemen affiliate. The magazine has endorsed lone-wolf terror attacks.

Both officials spoke on condition of anonymity because they were not authorized to discuss the investigation publicly.

A memorial service was scheduled Wednesday for Massachusetts Institute of Technology police officer Sean Collier, 26, who authorities said was shot to death by the Tsarnaev brothers three days after the bombings. Vice President Joe Biden was expected to speak.

Funerals were held Tuesday for Collier and 8-year-old Martin Richard. Martin, a schoolboy from Boston's Dorchester neighborhood, the youngest of those killed by blasts near the marathon finish line, was laid to rest after a family-only funeral Mass.

"The outpouring of love and support over the last week has been tremendous," the family said in a statement. "This has been the most difficult week of our lives."

The Richards family said they would hold a public memorial service for Martin in the coming weeks.

Dzhokhar Tsarnaev's condition was upgraded from serious to fair Tuesday as investigators continued building their case against him.

He could face the death penalty after being charged Monday with joining forces with his brother in setting off shrapnel-packed pressure-cooker bombs. Three people were killed and over 260 injured. About 50 were still hospitalized.

Dzhokhar Tsarnaev was captured hiding in a tarp-covered boat in a suburban Boston backyard on Friday.

In Washington, Senate Intelligence Committee member Richard Burr, R-N.C., said after his panel was briefed by federal law enforcement officials that there is "no question" that Tamerlan Tsarnaev was "the dominant force" behind the attacks, and that the brothers had apparently been radicalized by material on the Internet rather than by contact with militant groups overseas.

The brothers' parents are from Dagestan, a predominantly Muslim province in Russia's Caucasus, where Islamic militants have waged an insurgency against Russia.

Family members reached in the U.S. and abroad by The Associated Press said Tamerlan was influenced by a Muslim convert known only as Misha.

After befriending Misha, Tamerlan gave up boxing, stopped studying music and began opposing the wars in Afghanistan and Iraq, according to family members, who said he turned to websites and literature claiming that the CIA was behind 9/11.

"You could always hear his younger brother and sisters say, 'Tamerlan said this,' and 'Tamerlan said that.' Dzhokhar loved him. He would do whatever Tamerlan would say," recalled Elmirza Khozhugov, the ex-husband of Tamerlan's sister. He spoke by telephone from his home in Almaty, Kazakhstan.

The brothers, who came to the U.S. from Russia a decade ago, were raised in a home that followed Sunni Islam, the religion's largest sect, but were not regulars at the mosque and rarely discussed religion, Khozhugov said.

Then, in 2008 or 2009, Tamerlan met Misha, a heavyset bald man with a reddish beard. Khozhugov didn't know where they met but believed they attended a Boston-area mosque together.

Napolitano said Tuesday that her agency knew of Tamerlan Tsarnaev's trip to Russia. She said that even though the suspect's name was misspelled on a travel document, redundancies in the system allowed his departure to be captured by U.S. authorities in January 2012.

Meanwhile, a U.S. Embassy official said U.S. investigators traveled to southern Russia to speak to the brothers' parents, hoping to learn more about their motives.

In other developments:

? A lawyer for Tamerlan Tsarnaev's wife, Katherine Tsarnaeva, said his client "is doing everything she can to assist with the investigation," although he would not say whether she had spoken with federal authorities. Another lawyer for Tsarnaeva said the 24-year-old deeply mourned the loss of innocent victims in the bombings.

? The Massachusetts state House turned aside a bid by several lawmakers to reinstate the death penalty in certain cases, including the murder of police officers. In a 119-38 vote, the House sent the proposal to a study committee rather than advance it to an up-or-down vote.

? In New Jersey, the sisters of the suspects, Ailina and Bella Tsarnaeva, issued a statement saying they were saddened to "see so many innocent people hurt after such a callous act." Later, in brief remarks to several news outlets, Ailina described her elder brother as a "kind and loving man." She said of both brothers: "I have no idea what got into them" and also that "at the end of the day no one knows the truth."

? Phantom Fireworks of Seabrook, N.H., said Tamerlan Tsarnaev bought 48 mortar shells at the store in February. Company Vice President William Weimer, however, said the amount of gunpowder that could be extracted from the fireworks would not have been enough for the Boston bombs.

? Boylston Street, where the blasts occurred, was scheduled to reopen to the public at 3 a.m. Wednesday. It had been closed since the bombings.

? A fund created to benefit the victims of the Boston Marathon attacks has generated $20 million. Mayor Thomas Menino said more than 50,000 donors from across the world have made donations to One Fund Boston.

___

Dozier reported from Washington. Associated Press writers Bridget Murphy and Bob Salsberg in Boston, Lynn Berry in Moscow, and Adam Goldman, Eric Tucker, Matt Apuzzo, and Eileen Sullivan in Washington contributed to this report.

Source: http://news.yahoo.com/lawmakers-ask-knew-bomb-suspect-064344186.html

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Cryogenic machining enables guaranteeing safety of aeronautic sector parts

Cryogenic machining enables guaranteeing safety of aeronautic sector parts [ Back to EurekAlert! ] Public release date: 24-Apr-2013
[ | E-mail | Share Share ]

Contact: Irati Kortabitarte
i.kortabitarte@elhuyar.com
34-943-363-040
Elhuyar Fundazioa

CIC marGUNE, the Cooperative Research Centre for High-Performance Manufacture, is coordinating a line of research on cryogenic machining for developing the safety of parts for the aeronautic sector. This machining method has less impact on the environment than conventional methods. Moreover, it considerably enhances the useful life of safety parts and reduces costs. CIC marGUNE is working in collaboration with the High-Performance Manufacturing Group at the Higher Engineering School in Bilbao (UPV/EHU), Tecnalia and the University of Mondragon.

Cryogenic machining involves employing refrigerant gas in the process of machining. CIC marGUNE is coordinating a line of research on cryogenic machining, in which the UPV/EHU, Tecnalia and the University of Mondragn are participating. The aim of the line of research is to guarantee a clean manufacturing process and, moreover, to contribute to the safety of parts in the aeronautics sector.

Machining is a process of manufacturing parts though the elimination of material (swarf). The cutting fluids used in most machining operations producing swarf have two aims: on the one hand, lubricating the cutting zone and, on the other, refrigeration, i.e. eliminating the heat in the cutting zone so as not to affect the machined surface. But these fluids are harmful to the environment and for persons there are a hundred illnesses associated with this kind of lubricant.

To solve these problems presented by conventional machining methods, one of the principal alternatives that is being currently investigated is cryogenic machining - an innovative method of refrigerating the cutting tool and the critical points of the part during machining, thanks to the use of a very cold refrigerant gas, which can be liquid nitrogen or CO2.

Both liquid nitrogen and CO2 are basic and cheap products but, moreover, "CO2 can be applied externally to an already existing machine, without the need for any modification to the equipment, greatly saving on investment", according to Mr Franck Girot, coordinator of the CIC marGUNE research line. "There are already proof that the technology functions and so it is a research line directly related to our companies, and which may well arrive on to the market shortly".

Greater safety at lower cost

Safety parts for the aeronautic, automobile, railway, etc. sectors are currently being worked on. Sectors in which parts or components to be machined have to have a certain quality and, above all, not have surface damage, given that a break in a part is generally due to surface defects. This is why, "for these types of applications, cryogenic machining is a guarantee of avoiding such defects" stated Mr Girot. "This is an increasingly more controlled topic, especially in the aeronautic sector", he added. Each part undertaken has specific monitoring so as to know under what conditions the machining has been carried out and, at the same time, to guarantee that the part is not going to break during its life cycle due to surface defects.

Mr Girot highlighted that, in comparison with conventional machining systems, refrigeration of the cutting area which suffers the highest temperature during the process, avoids changes in the microstructure of the tool. This results in enhancements, often notable ones, in certain performance parameters of the materials; outstanding in this respect the increase in the life of the parts of between 50 and 100 %, in the resistance to wear and tear, in fatigue life, etc.

Moreover, "it is a process totally friendly to the environment, given that no kind of waste or dumping arises", stated Mr Girot. The cryogenic gases are obtained from other processes, and, thus, is a reuse of the gases, which otherwise would have to be eliminated without such benefit. During the machining of the parts, the fluid evaporates rapidly and returns to the atmosphere in a natural manner. The part is left completely clean of impregnations from the cutting fluids and do not produce any waste which might contaminate the machine tool, the swarf or the workplace. This is of major economic importance.

The system can work at higher speeds than those of conventional machining machines. Thus, productivity is increased and work of a higher quality is obtained, resulting in a reduction in the costs of producing the parts.

###


[ Back to EurekAlert! ] [ | E-mail | Share 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.


Cryogenic machining enables guaranteeing safety of aeronautic sector parts [ Back to EurekAlert! ] Public release date: 24-Apr-2013
[ | E-mail | Share Share ]

Contact: Irati Kortabitarte
i.kortabitarte@elhuyar.com
34-943-363-040
Elhuyar Fundazioa

CIC marGUNE, the Cooperative Research Centre for High-Performance Manufacture, is coordinating a line of research on cryogenic machining for developing the safety of parts for the aeronautic sector. This machining method has less impact on the environment than conventional methods. Moreover, it considerably enhances the useful life of safety parts and reduces costs. CIC marGUNE is working in collaboration with the High-Performance Manufacturing Group at the Higher Engineering School in Bilbao (UPV/EHU), Tecnalia and the University of Mondragon.

Cryogenic machining involves employing refrigerant gas in the process of machining. CIC marGUNE is coordinating a line of research on cryogenic machining, in which the UPV/EHU, Tecnalia and the University of Mondragn are participating. The aim of the line of research is to guarantee a clean manufacturing process and, moreover, to contribute to the safety of parts in the aeronautics sector.

Machining is a process of manufacturing parts though the elimination of material (swarf). The cutting fluids used in most machining operations producing swarf have two aims: on the one hand, lubricating the cutting zone and, on the other, refrigeration, i.e. eliminating the heat in the cutting zone so as not to affect the machined surface. But these fluids are harmful to the environment and for persons there are a hundred illnesses associated with this kind of lubricant.

To solve these problems presented by conventional machining methods, one of the principal alternatives that is being currently investigated is cryogenic machining - an innovative method of refrigerating the cutting tool and the critical points of the part during machining, thanks to the use of a very cold refrigerant gas, which can be liquid nitrogen or CO2.

Both liquid nitrogen and CO2 are basic and cheap products but, moreover, "CO2 can be applied externally to an already existing machine, without the need for any modification to the equipment, greatly saving on investment", according to Mr Franck Girot, coordinator of the CIC marGUNE research line. "There are already proof that the technology functions and so it is a research line directly related to our companies, and which may well arrive on to the market shortly".

Greater safety at lower cost

Safety parts for the aeronautic, automobile, railway, etc. sectors are currently being worked on. Sectors in which parts or components to be machined have to have a certain quality and, above all, not have surface damage, given that a break in a part is generally due to surface defects. This is why, "for these types of applications, cryogenic machining is a guarantee of avoiding such defects" stated Mr Girot. "This is an increasingly more controlled topic, especially in the aeronautic sector", he added. Each part undertaken has specific monitoring so as to know under what conditions the machining has been carried out and, at the same time, to guarantee that the part is not going to break during its life cycle due to surface defects.

Mr Girot highlighted that, in comparison with conventional machining systems, refrigeration of the cutting area which suffers the highest temperature during the process, avoids changes in the microstructure of the tool. This results in enhancements, often notable ones, in certain performance parameters of the materials; outstanding in this respect the increase in the life of the parts of between 50 and 100 %, in the resistance to wear and tear, in fatigue life, etc.

Moreover, "it is a process totally friendly to the environment, given that no kind of waste or dumping arises", stated Mr Girot. The cryogenic gases are obtained from other processes, and, thus, is a reuse of the gases, which otherwise would have to be eliminated without such benefit. During the machining of the parts, the fluid evaporates rapidly and returns to the atmosphere in a natural manner. The part is left completely clean of impregnations from the cutting fluids and do not produce any waste which might contaminate the machine tool, the swarf or the workplace. This is of major economic importance.

The system can work at higher speeds than those of conventional machining machines. Thus, productivity is increased and work of a higher quality is obtained, resulting in a reduction in the costs of producing the parts.

###


[ Back to EurekAlert! ] [ | E-mail | Share 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/2013-04/ef-cme042413.php

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Wednesday, April 24, 2013

Firefox OS Developer Phones Sold Out After First Few Hours On Sale, But More Are On The Way

firefox-osGeeksphone, the smartphone OEM startup based out of Madrid, put the first Firefox OS developer phones on sale early this morning, offering the Keon for $119 and the more powerful Peak for $194. Both devices are the first hardware to be offered with Firefox OS on board, and both devices are now listed as "Out of stock," just a few hours after first going on sale.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/v4hTzBqr65Q/

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Spotbros Launches API To Let Companies Build Mini Apps For Its Mobile Messaging Platform

SpotbrosMobile messaging app Spotbros, backed by ex-Nokia President and CEO Olli Pekka Kallasvuo, has announced the launch of an API to enable companies to build mini apps for its messaging client so that they can use the platform to engage with and provide various services to customers -- not dissimilar to Kik's recently announced "Cards" feature.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/gQpTqLG2Arg/

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