Rapid colorimetric detection technology enables illegal cooking oils with no place to hide

Public release date: 29-Jun-2013
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Contact: HE Yujian
heyujian@ucas.ac.cn
Science China Press

In recent years, illegal cooking oil incident led to the serious food safety risks and the negative social repercussions. Professor HE Yujian and his group from College of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences establish two rapid and convenient colorimetric detections of illegal cooking oils based on phase transfer technology. This work could be helpful for the rapid and on-site detection of illegal cooking oil. Their work, entitled "Rapid colorimetric detection of illegal cooking oils based on phase transfer technology", will be published on SCIENCE CHINA Chemistry, 2013?7?.

The illegal cooking oil includes the refining of the waste oil from restaurant, the repeatedly used oil and the waste animal fats. Because illegal cooking oil may contain toxic polymer, peroxide and so on, is dangerous to human health. The most common clinical symptoms of poisoning include headache, vomiting and diarrhea abdominal pain. Recently years, because the illegal cooking oil inflows into the family kitchens, it led to the serious food safety risks in China. The administration from the government such as monitoring the purchase records and granting the administrative license can be used to control the problem of illegal cooking oil; however the rapid and on-site detection of illegal cooking oil is still necessary and urgent.

Professor HE Yujian, associate professor ZHAO Hong, doctoral students YUAN Longfei and ZHOU Ying et al., from University of Chinese Academy of Sciences establish two rapid and convenient colorimetric detections of illegal cooking oils based on phase transfer technology. The copper ions and the cationic gold nanoparticles protected by poly (diallyl dimethylammonium) chloride (PDDA) were used as the recognition probes. And the illegal cooking oil could be detected by naked-eye (as shown in the Figure 1). The results showed that qualified cooking oil mixed with 2.8% of the illegal cooking oil could be detected, and more than 5% of the illegal cooking oil could be accurately detected by naked-eye. These methods were applied in blind test for total of 235 samples; the results showed that the accurate rates of the blind tests were 95.7%.

Compared with the traditional methods, this method is a cost-effective process, and allowed rapid and simple colorimetric detection of illegal cooking oils without omplex pre-treatment. The work could provide beneficial methods for the rapid on-site detection of illegal cooking oil. It has a favorable application potential in civilian fields because of its high accuracy, simple and low cost. These research findings have applied for national patent.

###

In addition, Professor HE Yujian and his group have established various detections of illegal cooking oils based on NMR, GC, HPLC and MALDI-TOF-MS technology since 2012. These works have been published in professional journal of analytical chemistry and applied for national patents.

See the article: YUAN L F, ZHOU Y, HE P, CAI B T, XU X L, LIU Q J, ZHONG W K, LI Q L, ZHAO H, HE Y J. Rapid colorimetric detection of illegal cooking oils based on phase transfer technology. SCIENCE CHINA Chemistry, 2013?7?, doi: 10.1360/032012-459

http://chem.scichina.com:8081/sciB/CN/abstract/abstract510311.shtml

Science China Press Co., Ltd. (SCP) is a scientific journal publishing company of the Chinese Academy of Sciences (CAS). For 50 years, SCP takes its mission to present to the world the best achievements by Chinese scientists on various fields of natural sciences researches.

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

Public release date: 29-Jun-2013
[ | E-mail | Share ]

Contact: HE Yujian
heyujian@ucas.ac.cn
Science China Press

In recent years, illegal cooking oil incident led to the serious food safety risks and the negative social repercussions. Professor HE Yujian and his group from College of Chemistry and Chemical Engineering, University of Chinese Academy of Sciences establish two rapid and convenient colorimetric detections of illegal cooking oils based on phase transfer technology. This work could be helpful for the rapid and on-site detection of illegal cooking oil. Their work, entitled "Rapid colorimetric detection of illegal cooking oils based on phase transfer technology", will be published on SCIENCE CHINA Chemistry, 2013?7?.

The illegal cooking oil includes the refining of the waste oil from restaurant, the repeatedly used oil and the waste animal fats. Because illegal cooking oil may contain toxic polymer, peroxide and so on, is dangerous to human health. The most common clinical symptoms of poisoning include headache, vomiting and diarrhea abdominal pain. Recently years, because the illegal cooking oil inflows into the family kitchens, it led to the serious food safety risks in China. The administration from the government such as monitoring the purchase records and granting the administrative license can be used to control the problem of illegal cooking oil; however the rapid and on-site detection of illegal cooking oil is still necessary and urgent.

Professor HE Yujian, associate professor ZHAO Hong, doctoral students YUAN Longfei and ZHOU Ying et al., from University of Chinese Academy of Sciences establish two rapid and convenient colorimetric detections of illegal cooking oils based on phase transfer technology. The copper ions and the cationic gold nanoparticles protected by poly (diallyl dimethylammonium) chloride (PDDA) were used as the recognition probes. And the illegal cooking oil could be detected by naked-eye (as shown in the Figure 1). The results showed that qualified cooking oil mixed with 2.8% of the illegal cooking oil could be detected, and more than 5% of the illegal cooking oil could be accurately detected by naked-eye. These methods were applied in blind test for total of 235 samples; the results showed that the accurate rates of the blind tests were 95.7%.

Compared with the traditional methods, this method is a cost-effective process, and allowed rapid and simple colorimetric detection of illegal cooking oils without omplex pre-treatment. The work could provide beneficial methods for the rapid on-site detection of illegal cooking oil. It has a favorable application potential in civilian fields because of its high accuracy, simple and low cost. These research findings have applied for national patent.

###

In addition, Professor HE Yujian and his group have established various detections of illegal cooking oils based on NMR, GC, HPLC and MALDI-TOF-MS technology since 2012. These works have been published in professional journal of analytical chemistry and applied for national patents.

See the article: YUAN L F, ZHOU Y, HE P, CAI B T, XU X L, LIU Q J, ZHONG W K, LI Q L, ZHAO H, HE Y J. Rapid colorimetric detection of illegal cooking oils based on phase transfer technology. SCIENCE CHINA Chemistry, 2013?7?, doi: 10.1360/032012-459

http://chem.scichina.com:8081/sciB/CN/abstract/abstract510311.shtml

Science China Press Co., Ltd. (SCP) is a scientific journal publishing company of the Chinese Academy of Sciences (CAS). For 50 years, SCP takes its mission to present to the world the best achievements by Chinese scientists on various fields of natural sciences researches.

---

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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/2013-06/scp-rcd062813.php

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Detached-eddy simulations and analyses on new vortical flows over a 76/40 double delta wing

Public release date: 28-Jun-2013
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Contact: LI Qin
qin-li@vip.tom.com
Science China Press

The double delta wing is a simplified configuration used for studying aircraft aerodynamics. It is composed of a highly-swept delta wing connected in front of the main delta wing with a smaller sweep, reflecting the combination of a leading edge extension and the swept main wing. The aerodynamic performance of such wings, which includes the behavior of the leeside vortical flows at moderate and high angles of attack (AoA) at low speed, is of research interest.

The prominent aerodynamic feature of the delta wing is the dominant leading edge vortex pair on the lee side, particularly over wings with sharp leading edges. For the single delta wing, research techniques can well describe the main vortices in the absence of vortex breakdown, including good prediction of the surface pressure distribution. Because of the appearance of a geometric discontinuity in the double delta wing connecting the strake and the wing, a wing vortex is generated at the discontinuity inducing a nonlinear interaction with the strake vortex. This nonlinear interaction makes it difficult to obtain an accurate prediction of the aerodynamic performance of such a double delta wing. Fujii considered that it would be difficult to obtain reasonable agreement with experimental results even with a large increase in the computational grid.

Based on current work, the understanding of flows past a double delta wing with sharp leading edges is as follows: 1) vortices are the dominant flow feature; 2) the basic vortical system consists of the strake and wing vortices, with secondary or even tertiary vortices; 3) vortex breakdown will occur when the AoA increases beyond a certain angle. The breakdown of the wing vortex occurs prior to that of the strake vortex. Other than the dominant vortices, small-scale structures initially appear at the wing tip at certain AoA, and massively-separated flows emerge. With an increase in the AoA, the region of separation gradually enlarges, and finally the whole upper wing is immersed in the massively separated flow. It is widely accepted that traditional Reynolds averaged Navier-Stokes (RANS) is not appropriate for simulation when massive separation occurs. Direct numerical simulation (DNS) and large eddy simulation (LES) can be used but at high cost. Detached-eddy simulation (DES) or a RANS/LES hybrid method combines the advantages of DNS and LES fitting the needs of engineering development while providing the useful details needed for fundamental research, and are thus considered suitable tools for studying such flow regimes. The applications using this method have been conducted on various aspects of fluid mechanics.

Because of the importance of the vortical flows of the double delta wing, every pattern of vortices needs to be carefully studied by computational and experimental analysis. As mentioned above, DES or RANS/LES serve as efficient ways to study the vortical flow when massively separated flow appears. The 76/40 double delta wing is thought to be important for investigations in which the topology of the vortex-dominated flow field is advantageous for atmospheric flight using vortical flows in air combat for takeoff and landing. In the present work, we use SA-DES to compute the massively separated flows of the 76/40 double delta wing previously studied by Verhaagen. Through computation, we found a new type of cross-flow vortex, which occurs at an AoA starting from 15. The vortex differs from the strake and wing vortex or other vortices in massively separated flows.

By means of physical analysis based on the numerical simulation, we conclude that the vortices are caused by cross-flow instability. Because of the specific features of the double delta wing, the cross-flow is primarily caused by the induction of the leading edge vortices, which differs from the cause of the cross flow over the swept blunt wing.

Using a velocity transformation, we provide the cross-section topology of the cross-flow vortices and information about the singular points on the section. The analysis shows that the speed of movement of the vortex reaches that of free stream. The wave length of the vortex array and the characteristic frequency are also obtained, providing useful information for further experimental investigation.

It is also shown by analysis that the cross-flow vortex can cause a 10-20% deviation of the pressure distribution to the averaged counterpart. It should be noted that the deviation is local and unsteady, which should be considered in the evaluation of the influence of vortices on aerodynamic performance.

Finally we propose a new type of cross-flow vortex that differs from the vortical substructure.

###

See the article:

LI Qin, SUN Dong, ZHANG HanXin. Detached-eddy simulations and analyses on new vortical flows over a 76/40 double delta wing. SCIENCE CHINA Physics, Mechanics & Astronomy, 2013, 56(6): 1062-1073.

http://phys.scichina.com:8083/Jwk_sciG_en/EN/abstract/abstract507764.shtml

Science China Press Co., Ltd. (SCP) is a scientific journal publishing company of the Chinese Academy of Sciences (CAS). For 50 years, SCP takes its mission to present to the world the best achievements by Chinese scientists on various fields of natural sciences researches.

---

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

Public release date: 28-Jun-2013
[ | E-mail | Share ]

Contact: LI Qin
qin-li@vip.tom.com
Science China Press

The double delta wing is a simplified configuration used for studying aircraft aerodynamics. It is composed of a highly-swept delta wing connected in front of the main delta wing with a smaller sweep, reflecting the combination of a leading edge extension and the swept main wing. The aerodynamic performance of such wings, which includes the behavior of the leeside vortical flows at moderate and high angles of attack (AoA) at low speed, is of research interest.

The prominent aerodynamic feature of the delta wing is the dominant leading edge vortex pair on the lee side, particularly over wings with sharp leading edges. For the single delta wing, research techniques can well describe the main vortices in the absence of vortex breakdown, including good prediction of the surface pressure distribution. Because of the appearance of a geometric discontinuity in the double delta wing connecting the strake and the wing, a wing vortex is generated at the discontinuity inducing a nonlinear interaction with the strake vortex. This nonlinear interaction makes it difficult to obtain an accurate prediction of the aerodynamic performance of such a double delta wing. Fujii considered that it would be difficult to obtain reasonable agreement with experimental results even with a large increase in the computational grid.

Based on current work, the understanding of flows past a double delta wing with sharp leading edges is as follows: 1) vortices are the dominant flow feature; 2) the basic vortical system consists of the strake and wing vortices, with secondary or even tertiary vortices; 3) vortex breakdown will occur when the AoA increases beyond a certain angle. The breakdown of the wing vortex occurs prior to that of the strake vortex. Other than the dominant vortices, small-scale structures initially appear at the wing tip at certain AoA, and massively-separated flows emerge. With an increase in the AoA, the region of separation gradually enlarges, and finally the whole upper wing is immersed in the massively separated flow. It is widely accepted that traditional Reynolds averaged Navier-Stokes (RANS) is not appropriate for simulation when massive separation occurs. Direct numerical simulation (DNS) and large eddy simulation (LES) can be used but at high cost. Detached-eddy simulation (DES) or a RANS/LES hybrid method combines the advantages of DNS and LES fitting the needs of engineering development while providing the useful details needed for fundamental research, and are thus considered suitable tools for studying such flow regimes. The applications using this method have been conducted on various aspects of fluid mechanics.

Because of the importance of the vortical flows of the double delta wing, every pattern of vortices needs to be carefully studied by computational and experimental analysis. As mentioned above, DES or RANS/LES serve as efficient ways to study the vortical flow when massively separated flow appears. The 76/40 double delta wing is thought to be important for investigations in which the topology of the vortex-dominated flow field is advantageous for atmospheric flight using vortical flows in air combat for takeoff and landing. In the present work, we use SA-DES to compute the massively separated flows of the 76/40 double delta wing previously studied by Verhaagen. Through computation, we found a new type of cross-flow vortex, which occurs at an AoA starting from 15. The vortex differs from the strake and wing vortex or other vortices in massively separated flows.

By means of physical analysis based on the numerical simulation, we conclude that the vortices are caused by cross-flow instability. Because of the specific features of the double delta wing, the cross-flow is primarily caused by the induction of the leading edge vortices, which differs from the cause of the cross flow over the swept blunt wing.

Using a velocity transformation, we provide the cross-section topology of the cross-flow vortices and information about the singular points on the section. The analysis shows that the speed of movement of the vortex reaches that of free stream. The wave length of the vortex array and the characteristic frequency are also obtained, providing useful information for further experimental investigation.

It is also shown by analysis that the cross-flow vortex can cause a 10-20% deviation of the pressure distribution to the averaged counterpart. It should be noted that the deviation is local and unsteady, which should be considered in the evaluation of the influence of vortices on aerodynamic performance.

Finally we propose a new type of cross-flow vortex that differs from the vortical substructure.

###

See the article:

LI Qin, SUN Dong, ZHANG HanXin. Detached-eddy simulations and analyses on new vortical flows over a 76/40 double delta wing. SCIENCE CHINA Physics, Mechanics & Astronomy, 2013, 56(6): 1062-1073.

http://phys.scichina.com:8083/Jwk_sciG_en/EN/abstract/abstract507764.shtml

Science China Press Co., Ltd. (SCP) is a scientific journal publishing company of the Chinese Academy of Sciences (CAS). For 50 years, SCP takes its mission to present to the world the best achievements by Chinese scientists on various fields of natural sciences researches.

---

[ | E-mail | Share ]

?

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

Source: http://www.eurekalert.org/pub_releases/2013-06/scp-dsa062813.php

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James Woods Dating 20-Year-Old Woman Felon

James Woods Dating 20-Year-Old Woman Felon

Actor James Woods is dating a woman nearly 50 years younger than him that was recently arrested for felony drug possession. Woods, 66, walked the red carpet at the premiere of his latest movie “White House Down” with Kristen Bauguess on Tuesday night just weeks after her latest arrest. Kristen, 20, was arrested in Chatham ...

James Woods Dating 20-Year-Old Woman Felon Stupid Celebrities Gossip Stupid Celebrities Gossip News

Source: http://stupidcelebrities.net/2013/06/james-woods-dating-20-year-old-felon/

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DirecTV says Latin America unit over-reported subscriber numbers

(Reuters) - DirecTV said an internal investigation found that its Latin America unit had over-reported subscriber numbers at the end of March by about 200,000 due to improper practices by some employees.

The satellite TV provider said some Sky Brasil employees had improperly credited subscriber accounts to reduce or eliminate balances owed, artificially reducing attrition.

The company said it expected to take a pretax charge of about $25 million in the second quarter to recognize the increased churn.

Based on initial results of the investigation, the company estimated that the number of Sky Brasil subscribers as of December 31, 2012 would have been about 100,000 lower than previously reported to Brazil's national telecommunication agency.

The subscriber count at March 31 would have been about 200,000 lower, the company said in a regulatory filing on Thursday. (http://link.reuters.com/cyz29t)

Sky Brasil had told the agency it had about 5 million subscribers at the end of December and about 5.3 million at the end of March.

DirecTV, which has a total of more than 20 million customers, owns about 93 percent of Sky Brasil.

Much of DirecTV's subscriber growth has come from the expanding middle class in countries such as Brazil. It also operates in Colombia, Argentina, Venezuela, Chile and Ecuador.

Last month, DirecTV's shares rose to a decade-high after it reported a first-quarter profit that beat analysts estimates, helped by better-than-expected growth in Latin America.

The company said it expects to remove substantially all subscribers who were improperly recognized as active from Sky Brasil's subscriber base by the end of June.

DirecTV shares, which have fallen marginally since the company reported first-quarter results on May 7, closed at $61.08 on the Nasdaq on Wednesday.

(Reporting by Chandni Doulatramani in Bangalore; Editing by Roshni Menon)

Source: http://news.yahoo.com/directv-says-probe-finds-irregularities-latin-america-unit-103653044.html

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Immigration bill clears Senate test

WASHINGTON (AP) ? Historic immigration legislation cleared a key Senate hurdle with votes to spare on Monday, pointing the way to near-certain passage within days for stepped up security along the border with Mexico and a chance at citizenship for millions living in the country illegally.

The vote was 67-27, seven more than the 60 needed, with 15 Republicans voting to advance legislation at the top of President Barack Obama's second-term domestic agenda.

The vote came as Obama campaigned from the White House for the bill, saying, "now is the time" to overhaul an immigration system that even critics of the legislation agree needs reform.

Last-minute frustration was evident among opponents. In an unusual slap at members of his own party as well as Democrats, Republican Sen. Ted Cruz of Texas said it appeared that lawmakers on both sides of the political aisle "very much want a fig leaf" on border security to justify a vote for immigration.

Senate passage on Thursday or Friday would send the issue to the House, where conservative Republicans in the majority oppose citizenship for anyone living in the country illegally.

Some GOP lawmakers have appealed to Speaker John Boehner not to permit any immigration legislation to come to a vote for fear that whatever its contents, it would open the door to an unpalatable compromise with the Senate. At the same time, the House Judiciary Committee is in the midst of approving a handful of measures related to immigration, action that ordinarily is a prelude to votes in the full House.

"Now is the time to do it," Obama said at the White House before meeting with nine business executives who support a change in immigration laws. He added, "I hope that we can get the strongest possible vote out of the Senate so that we can then move to the House and get this done before the summer break" beginning in early August.

He said the measure would be good for the economy, for business and for workers who are "oftentimes exploited at low wages."

As for the overall economy, he said, "I think every business leader here feels confident that they'll be in a stronger position to continue to innovate, to continue to invest, to continue to create jobs and ensure that this continues to be the land of opportunity for generations to come."

Opponents saw it otherwise. "It will encourage more illegal immigration and must be stopped," Cruz exhorted supporters via email, urging them to contact their own senators with a plea to defeat the measure.

Leaving little to chance, the U.S. Chamber of Commerce announced it was launching a new seven-figure ad buy Monday in support of the bill. "Call Congress. End de facto amnesty. Create jobs and economic growth by supporting conservative immigration reforms," the ad said.

Senate officials said some changes were still possible to the bill before it leaves the Senate - alterations that would swell the vote total.

At the same time, Sen. Roger Wicker, R-Miss., who voted to advance the measure during the day, said he may yet end up opposing it unless he wins a pair of changes he is seeking.

Senate Democrats were unified on the vote.

Republicans were anything on a bill that some party leaders say offers the GOP a chance to show a more welcoming face to Hispanic voters, yet tea party-aligned lawmakers assail as amnesty for those who have violated the law.

Among potential 2016 presidential contenders, Sen. Marco Rubio of Florida was an enthusiastic supporter of the bill, while Cruz was an outspoken opponent.

The non-partisan Congressional Budget Office has estimated the legislation will reduce the deficit and increase economic growth in each of the next two decades. It is also predicting unemployment will rise slightly through 2020, and that average wages will move lower over a decade.

At its core, the legislation in the Senate would create a 13-year pathway to citizenship for an estimated 11 million immigrants living illegally in the United States. It also calls for billions of dollars to be spent on manpower and technology to secure the 2,000-mile border with Mexico, including a doubling of the Border Patrol with 20,000 new agents.

The measure also would create a new program for temporary farm laborers to come into the country, and another for lower-skilled workers to emigrate permanently. At the same time, it calls for an expansion of an existing visa program for highly-skilled workers, a gesture to high tech companies that rely heavily on foreigners.

In addition to border security, the measure phases in a mandatory program for employers to verify the legal status of potential workers, and separate effort to track the comings and goings of foreigners at some of the nation's airports.

The legislation was originally drafted by a bipartisan Gang of 8, four senators from each party who negotiated a series of political tradeoffs over several months.

The addition of the tougher border security provisions came after CBO informed lawmakers that they could potentially spend tens of billions of dollars to sweeten the bill without fearing higher deficits.

The result was a series of changes negotiated between the Gang of 8 and Republican Sens. John Hoeven of North Dakota and Bob Corker of Tennessee. Different, lesser-noticed provisions helped other lawmakers swing behind the measure.

In a speech on the Senate floor, Sen. Charles Grassley, R-Iowa, likened some of them to "earmarks," the now-banned practice of directing federal funds to the pet projects of individual lawmakers.

He cited a provision creating a $1.5 billion jobs fund for low-income youth and pair of changes to benefit the seafood processing industry in Alaska. Sen. Bernard Sanders, I-Vt., issued a statement on Friday trumpeting the benefits of the first; Alaska Sens. Lisa Murkowski, a Republican, and Mark Begich, a Democrat, took credit for the two others.

Grassley also raised questions about the origin of a detailed list of planes, sensors, cameras and other equipment to be placed along the southern border.

"Who provided the amendment sponsors with this list?" asked Grassley, who is a member of the Judiciary Committee that approved an earlier version of the bill. Homeland Security Secretary Janet Napolitano "did not provide the committee with any list. Did Sikorsky, Cessna and Northrup Grumann send up a wish list to certain members of the Senate?"

___

Associated Press writers Mary Clare Jalonick and Jim Kuhnhenn contributed to this report.

Source: http://news.yahoo.com/immigration-bill-clears-senate-test-225923799.html

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Blackhawks stage late rally to win Stanley Cup

Chicago Blackhawks goalie Corey Crawford hoists the Stanley Cup after the Blackhawks beat the Boston Bruins 3-2 in Game 6 of the NHL hockey Stanley Cup Finals Monday, June 24, 2013, in Boston. (AP Photo/Elise Amendola)

Chicago Blackhawks goalie Corey Crawford hoists the Stanley Cup after the Blackhawks beat the Boston Bruins 3-2 in Game 6 of the NHL hockey Stanley Cup Finals Monday, June 24, 2013, in Boston. (AP Photo/Elise Amendola)

Chicago Blackhawks defenseman Johnny Oduya (27), of Sweden, hugs Chicago Blackhawks goalie Corey Crawford (50) after winning Game 6 of the NHL hockey Stanley Cup Finals 3-2 against the Boston Bruins, Monday, June 24, 2013, in Boston. (AP Photo/Charles Krupa)

Chicago Blackhawks center Dave Bolland (36) celebrates his game winning goal against the Boston Bruins during the third period in Game 6 of the NHL hockey Stanley Cup Finals, Monday, June 24, 2013, in Boston. The Blackhawks won 3-2. (AP Photo/Charles Krupa)

Chicago Blackhawks center Dave Bolland (36) celebrates his game-winning goal against the Boston Bruins with Chicago Blackhawks center Marcus Kruger (16) during the third period in Game 6 of the NHL hockey Stanley Cup Finals, Monday, June 24, 2013, in Boston. The Blackhawks won 3-2. (AP Photo/Charles Krupa)

Chicago Blackhawks right wing Patrick Kane (88) hoists the Stanley Cup after beating the Boston Bruins 3-2 in Game 6 of the NHL hockey Stanley Cup Finals, Monday, June 24, 2013, in Boston. (AP Photo/Charles Krupa)

BOSTON (AP) ? Two goals. Seventeen seconds apart. A second Stanley Cup victory in four seasons for the Chicago Blackhawks.

Seventy-six seconds away from defeat and a trip home for a decisive seventh game, Bryan Bickell tied it. Then, while the Bruins were settling in for another overtime in a series that has already had its share, Dave Bolland scored to give Chicago a 3-2 victory in Game 6 of the Stanley Cup Final on Monday night.

The back-to-back scores in about the time it takes for one good rush down the ice turned a near-certain loss into a championship clincher, stunning the Boston players and their fans and starting the celebration on the Blackhawks' bench with 59 seconds to play.

"We thought we were going home for Game 7. You still think you're going to overtime and you're going to try to win it there. Then Bolly scores a huge goal 17 seconds later," said Chicago forward Patrick Kane, who won the Conn Smythe Trophy as the postseason's most valuable player. "It feels like the last 58 seconds were an eternity."

The team that set an NHL record with a 24-game unbeaten streak to start the lockout-shortened season won three straight games after falling behind 2-1 in the best-of-seven finals, rallying from a deficit in the series and in its finale. Corey Crawford made 23 saves, and Jonathan Toews returned from injury to add a goal and an assist in the first finals between Original Six teams since 1979.

"I still can't believe that finish. Oh my God, we never quit," Crawford said. "I never lost confidence. No one in our room ever did."

Trailing 2-1, Crawford went off for an extra skater and the Blackhawks converted when Toews fed it in front and Bickell scored from the edge of the crease to tie the score.

Perhaps the Bruins expected it to go to overtime, as three of the first four games in the series did. They sure seemed to be caught off-guard on the ensuing faceoff. Chicago skated into the zone, sent a shot on net and after it deflected off Michael Frolik and the post it went right to Bolland, who put it in the net.

"It's unbelievable man," Crawford said. "So much hard work to get to this point. Great effort by everyone on the team."

The Blackhawks on the ice gathered in the corner, while those on the bench began jumping up and down. It was only a minute later, when Boston's Tuukka Rask was off for an extra man, that Chicago withstood Boston's final push and swarmed over the boards, throwing their sticks and gloves across the ice.

"In 2010, we didn't really know what we were doing. We just, we played great hockey and we were kind of oblivious to how good we were playing," said Toews, who scored his third goal of the playoffs to tie it 1-1 in the second period, then fed Bickell for the score that tied it with 76 seconds to play.

"This time around, we know definitely how much work it takes and how much sacrifice it takes to get back here and this is an unbelievable group," Toews said. "We've been through a lot together this year and this is a sweet way to finish it off."

The Bruins got 28 saves from Rask, who was hoping to contribute to an NHL title after serving as Tim Thomas' backup when Boston won it all two years ago.

"It's obviously shocking when you think you have everything under control," Rask said quietly, standing at his locker with a blue baseball cap on backward and a towel draped over his shoulders.

The sold-out TD Garden had begun chanting "We want the Cup!" after Milan Lucic's goal put the Bruins up 2-1 with eight minutes left, but it fell silent after their team coughed up the lead.

"Probably toughest for sure, when you know you're a little bit over a minute left and you feel that you've got a chance to get to a Game 7," Bruins coach Claude Julien said. "And then those two goals go in quickly."

The arena was almost empty ? except for a few hundred fans in red Blackhawks sweaters who filtered down to the front rows ? when NHL commissioner Gary Bettman handed the 35-pound Cup to Toews, who left Game 5 with an undisclosed injury and wasn't confirmed for the lineup until the morning skate.

The Chicago captain skated the Cup right over the crease in which the Blackhawks mounted the comeback and in front of the fans in Blackhawks sweaters who lined the front row behind the net. Toews banged on the glass while the remaining Bruins fans headed up the runways.

He then continued the tradition of handing it from player to player before the team settled to the side of the faceoff circle for a picture with the trophy they will possess for the next 12 months.

The Blackhawks opened the season on a 21-0-3 streak and coasted to the Presidents' Trophy that goes to the team with the best regular-season record. But regular-season excellence has not translated into playoff success: Chicago is the first team with the best record to win the Cup since the 2008 Detroit Red Wings.

The Blackhawks went through Minnesota in five games and Detroit in seven, rallying in the Western Conference semifinals from a 3-1 deficit and winning Game 7 in overtime. They got through the defending NHL champion Los Angeles Kings in five games to return to the Cup finals, where Boston was waiting.

The Blackhawks won the first game at home in three overtimes but dropped Game 2 ? another overtime ? and fell behind 2-1 in the series when it returned to Boston.

But since then, it's been all Chicago.

The tightly contested finals ? with three games going a total of five overtimes ? may help fans forget the lockout that shortened the season to 48 games and pushed back the opener to Jan. 19. That left the teams still playing ice hockey on a 95-degree day in Boston on June 24, matching the latest date in NHL history.

Fans in their Bruins sweaters filtered into the air conditioned TD Garden to see the last game in Boston for the year with the hope there would be one more in Chicago: a seventh game just like two years ago, when the Bruins rallied from a 3-2 deficit, then won in Vancouver for their first NHL championship since 1972.

Both teams were bolstered by the return of star forwards, Selke Trophy winner Toews of Chicago and Patrice Bergeron, who was a finalist for the award given to the top defensive forward in the league. Both returned after missing the end of Game 5, and but only Toews showed up in the box score.

What had already been a physical series continued to take its toll, with Jaromir Jagr ? the NHL's active playoff scoring leader ? and Andrew Shaw both going to the dressing room during the first period. Jagr's injury was not known, but Shaw deflected a slap shot from Shawn Thornton off his own right cheek and crumpled to the ice, leaving behind a pool of blood when he skated off.

Both returned, but Jagr again disappeared from the Boston bench in the second. Crawford also forced a stoppage of play when his mask came off following a David Krejci slap shot off his shoulder; the Chicago goalie appeared to need a little time to recover, but he stayed in the game.

The Bruins, who never led in Games 4 and 5, took the lead seven minutes into the game when Tyler Seguin gloved a pass from Daniel Paille and controlled it, then backhanded it across the middle to Chris Kelly. He beat Crawford on the glove side to make it 1-0.

But the Blackhawks tied it early in the second when, as a Bruins power play was ending, Toews broke into the Boston zone on the right side. He had Kane in the middle and Andrew Shaw coming out of the box, but didn't need either one, rattling it in off the right post to make it 1-1.

It stayed that way until Lucic put Boston ahead with 7:49 left in the third.

The final series seemed headed for a Game 7 for the sixth time in the last 10 years before Bickell and Bolland turned it around.

"Dave Bolland, what else can you say about that guy?" Kane said. "He just shows up in big playoff games."

NOTES: The Blackhawks are now 2-5 against the Bruins in playoff series. This was the teams' first matchup in the finals. ... Bolland missed the entire first-round series with an injury. ... Kane and Toews had no goals in the first three games. ... Chara, who won the Norris Trophy as the league's best defenseman in 2009, was on the ice for 10 of the last 12 Chicago goals. ... Jeff Bauman, who lost his legs in the Boston Marathon bombing, was honored before the game. He went onto the ice with a walker and stood up to receive cheers from the crowd.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/347875155d53465d95cec892aeb06419/Article_2013-06-25-Stanley%20Cup/id-cab258a2b5de4fb8ab0311151a94ba51

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One of the World's Largest 3D Printing Companies Just Bought MakerBot

This afternoon, 3D printing giant Stratasys announced the $403 million acquisition of MakerBot. And while it won't change anything about MakerBot's brand, Stratasys could supply the know-how to scale up business in a big way. That could mean more stores, more factories, and even more offices.

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Source: http://feeds.gawker.com/~r/gizmodo/full/~3/ydYOWWqLJow/one-of-the-worlds-largest-3d-printing-companies-just-b-514412184

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Raspbmc's June build brings a slew of tweaks: cloud backups and more coming in July

The Raspberry Pi-focused XBMC port Raspbmc's June changelog is a lengthy one. Among the changes are new settings, new skins, support for the Stealth Nighthawk F117A device and changes to make booting up faster, among many other things. Getting this month's update should only require rebooting one's Raspberry Pi, and a few new mirrors that have joined the network should make downloading the updated software even faster. That's not all however, because the July update is promising Linux kernel updates, Raspbmc "Cloud" features with automatic settings backup / restore across multiple devices and an unspecified "special announcement."

Filed under: Home Entertainment, HD

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