Saturday, June 29, 2013

Conn. man arraigned in ex-Patriot's murder case

ATTLEBORO, Mass. (AP) ? Two men authorities say were in a car with former New England Patriots tight end Aaron Hernandez before one of his friends was shot to death were in custody on Friday, one charged with illegally carrying a gun and the other accused of being an accessory after murder.

Prosecutors, who this week charged Hernandez with murder, haven't said who fired the shots that killed his friend Odin Lloyd, a Boston semi-pro football player.

Carlos Ortiz, who was arrested in Connecticut but was transferred to Massachusetts to face the gun charge, and Ernest Wallace, who walked into a South Florida police station to surrender, were identified earlier as being with Hernandez and Lloyd the night of his shooting death, a prosecutor said.

Ortiz was charged Friday with carrying an unlicensed firearm in North Attleborough on June 17, the day Lloyd was found shot to death near Hernandez's home there. Details of the charge weren't released.

Wallace, whose wanted poster was released Thursday night, surrendered in Miramar, Fla., police said. Authorities had been seeking Wallace on a charge of acting as an accessory after Lloyd's murder. Details of that allegation also weren't released.

Police arrested Hernandez on Wednesday at his home and charged him with orchestrating Lloyd's execution-style shooting. Prosecutors said Hernandez orchestrated the killing because Lloyd talked to the wrong people at a nightclub.

Hernandez, Ortiz and Wallace were in a Nissan Altima with Lloyd shortly before his death, Bristol County, Mass., District Attorney C. Samuel Sutter said.

"We now have in custody the three individuals who were in the silver Nissan Altima," Sutter said Friday when Ortiz was arraigned on the gun charge in Attleboro District Court.

All three men have ties to Bristol, Conn.: Hernandez grew up there, Ortiz had been living there and authorities had conflicting addresses for Wallace there and in Miramar.

Hernandez pleaded not guilty to murder and was denied bail Thursday. Ortiz also was being held without bail pending a court hearing on July 9. Wallace was taken to a jail in Fort Lauderdale, Fla., pending extradition proceedings, police said.

Hernandez's lawyer argued in court that the case is circumstantial. He said Hernandez, who was cut by the Patriots the day he was arrested, wanted to clear his name.

Ortiz's attorney, John Connors, said he will seek bail for his client at the July 9 hearing. He described Ortiz as a "gentle person" and said he will advise Ortiz to plead not guilty.

"I can say that his charge has nothing to do with homicide," Connors said.

Wallace walked into the police station and told officers there was a warrant for his arrest, which officers confirmed by checking a computer database.

"He stated he knew he had a warrant because he saw himself on TV," Miramar police Officer Gil Bueno said. "He was very cooperative. It was uneventful."

An attorney for Wallace, David Meier, told The Boston Globe that his client was visiting his mother and other relatives in Miramar when he realized he was wanted in Massachusetts and went to police. Meier said Wallace intends to return to Massachusetts "as soon as possible."

Earlier Friday, Ortiz appeared in Bristol Superior Court in Connecticut, where a judge authorized turning him over to a Massachusetts state trooper and a North Attleborough officer.

A friend and a relative of Ortiz said outside the courthouse that they were stunned by his arrest. They said Ortiz is the devoted father of two girls and a boy, all under the age of 9. Ortiz was unemployed recently but previously worked a long time at a Savers clothing store, they said.

They also said they couldn't believe Ortiz could be part of a murder.

"He's not that type of person. He has a good heart," said friend Milton Montesdeoca, who added he didn't know Hernandez and never heard Ortiz talk about the football star.

Also Friday, authorities said law enforcement officers recovered in Bristol a car Wallace was seen driving before he surrendered.

Meanwhile, Lloyd's relatives were preparing for his funeral in Boston on Saturday. A relative said the service will be at Church of the Holy Spirit in the city's Mattapan section.

Lloyd played for the Boston Bandits and was dating the sister of Hernandez's fiancee.

Authorities have said trouble that led to Lloyd's killing happened June 14, when Lloyd went with Hernandez to a Boston nightclub. Hernandez became upset when Lloyd began talking with people Hernandez apparently didn't like, prosecutors said.

On June 16, the night before the slaying, a prosecutor said, Hernandez texted two unidentified friends and asked them to hurry to Massachusetts from Connecticut.

A few minutes later, he texted Lloyd to tell him he wanted to get together, prosecutors said. Authorities say the three men picked up Lloyd at around 2:30 a.m. June 17, drove him to an industrial park near Hernandez's home and shot him five times.

Prosecutors said an ammunition clip was found in Hernandez's Hummer and matched the caliber of casings found at the scene of Lloyd's killing.

Hernandez, who was drafted by the Patriots in 2010 and signed a five-year contract worth $40 million last summer, could face life in prison if convicted.

___

Collins reported from Bristol, Conn. Associated Press writers Bridget Murphy in Boston and Michael Melia in Hartford, Conn., contributed to this report.

Source: http://news.yahoo.com/conn-man-arraigned-ex-patriots-murder-case-224745898.html

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Tiny Allegiant Air thrives on low costs, high fees

LAS VEGAS (AP) ? There are no sure things in this city ? with one exception: Allegiant Air.

While other U.S. airlines have struggled over the past decade from the ups and downs of the economy and the price of jet fuel, Allegiant has been profitable for 10 straight years.

The tiny airline focuses on a niche ignored by other airlines: It only flies from small cities to sunny vacation spots.

Allegiant entices people who otherwise wouldn't fly with low fares and non-stop flights. Then it aggressively pitches them hotels, rental cars, show tickets and other entertainment, earning millions in commissions.

Passengers face fees for almost every service and amenity imaginable. At Allegiant, fees for checked baggage and changing an itinerary ? which are common on many airlines ? are just the beginning.

The Las Vegas-based airline charges extra to book flights online, or to use a credit card. Selecting a seat in advance costs $5 to $75 each way, depending on the length of a flight. Even a bottle of water costs $2.

Flying Allegiant isn't glamorous. While other airlines tout new aircraft with Wi-Fi and TVs in every seat, Allegiant buys old planes to avoid hefty aircraft loans. And to pack in as many passengers as possible, its seats don't recline. But for small-town Americans with limited flight options, these inconveniences are worth it for a few days of sunshine.

"They could be the worst airline in the world and we'd fly them because we want to go to Vegas," says Tom Mayo of Cedar Rapids, Iowa, who recently flew there with his family. "It's our only option."

Allegiant offers non-stop service from places like Owensboro, Ky., Casper, Wyo. and Appleton, Wis., to popular destinations in Nevada, Florida, Hawaii and Arizona. These may not be the most coveted routes in the airline business, but that is precisely why Allegiant likes them.

Only 17 of Allegiant's 203 routes are flown non-stop by another airline.

"Typically, the best way to make money is not to compete with somebody," says Andrew C. Levy, president of Allegiant Travel Co., who sits in a cubicle next to the rest of his staff.

Rather than battle major carriers for customers on routes between major cities, Allegiant uses its marketing muscles to convince people in small towns to fly away for a vacation.

"Allegiant tends to bring people into the airport who wouldn't normally fly," says Tim Bradshaw, director of the Eastern Iowa people Airport in Cedar Rapids. "It brings people off the couch."

Last year, 7 million passengers took a flight on Allegiant. That is a sliver of the 642 million people who took a domestic flight last year. But Allegiant earned a whopping $11.22 each way from those passengers. On average, the airline industry earned 37 cents each way, per passenger, according to Airlines for America, the industry's lobbying group. Southwest Airlines, one of the industry's most profitable carriers, made $3.85 per passenger last year.

Allegiant is ruthless about keeping its costs down. Its employees are some of the lowest paid in the industry, in some cases making $20 an hour less than colleagues at other airlines. It pays cash for airplanes nearly twice as old as everyone else. It only sells directly to vacationers, refusing to pay Expedia, Orbitz or other sites to list its flights.

And if you have a question, it will cost you: the airline doesn't have a toll-free number.

Like some other budget airlines, Allegiant advertises extremely low base fares and then tacks on numerous fees. A roundtrip ticket with Allegiant costs $195, on average. But passengers pay an additional $83 in fees ? or 30 percent of the total cost of flying.

To book a trip by phone, Allegiant charges $50 for each roundtrip ticket. To book online costs $20 for each roundtrip ticket. The only way to avoid the fees is to purchase tickets at the airport, something fewer than 3 percent of its customers did last year.

But whether you book by phone, Internet or in person, paying with a credit card costs an extra $8.

Placing a suitcase in an overhead bin is $10 to $25. Boarding passes signify who has paid the fee. If passengers show up at the airport with a large carry-on bag and haven't prepaid the fee, the airline penalizes them an additional $25 to $50, depending on the route.

But what really makes Allegiant different are the commissions it earns from selling hotel rooms, rental cars and other extras including Everglades boat tours and theme-park tickets. It even gets people to attend timeshare sales presentations. Before a passenger can finalize a ticket purchase online, they must click through page after page offering them these add-ons.

Last year, revenue from commissions totaled $36 million, or nearly $12 per roundtrip passenger.

"I don't think of them as an airline. I think of them as a travel company," says Helane Becker, an airline analyst at Cowen Securities.

Once onboard, Allegiant passengers are again bombarded with sales pitches. On a recent flight from Cedar Rapids to Las Vegas, flight attendants came over the loudspeaker and hawked show tickets and airport shuttles. The in-flight magazine is filled with ads for shows and attractions instead of stories. One ad offers $30 off a Las Vegas helicopter tour if purchased from flight attendants, who are paid extra for each item sold.

"They do a fantastic job packaging," says JetBlue CEO David Barger. "I think we can learn a lot from what Allegiant does."

Ben Baldanza, CEO of Spirit Airlines ? the only other U.S. carrier to charge for overhead bin space or for booking over the Internet ? also respects Allegiant's ability to sell extras, such as a round of golf in Myrtle Beach, S.C.

"They developed that expertise earlier than we did," Baldanza says.

Spirit focuses on getting passengers between big cities cheaply; Allegiant taps into people's desire to escape small-town life for a few days.

Most airlines promote their new first-class seats or individual TV screens. Allegiant ? which only offers coach seats ? promotes its destinations: Las Vegas gamblers smiling after winning at roulette, a hot-air balloon floating over the Arizona desert or a woman in a bikini sipping a frozen drink on a Hawaiian beach.

Allegiant's passengers aren't sold on the airline but on the escape.

An hour and a half before a recent flight from Cedar Rapids to Las Vegas, a spare seat couldn't be found in the airport bar. It was only 11 a.m., but travelers like Bridget Estrada and her four friends were too excited for their trip to wait.

It was only Estrada's second trip on a plane and her first in 13 years. She was nervous and gave a quick thought to her husband and three kids at home. But she and her friends quickly got back to drinking hard lemonade, mapping out their weekend away from Iowa.

A few feet away, other passengers shared tips on attractions, buffets and the cheapest blackjack tables.

"You must see the pirate show," one insisted.

Allegiant finds ways to profit on routes other airlines couldn't make work, often swooping in after they pull out. This month, it started flying between Asheville, N.C., and Tampa, Fla., a route abandoned by AirTran after Southwest Airlines acquired it.

Like other discount carriers, Allegiant prefers small airports that charge airlines lower rents, even if they aren't the most convenient. In Orlando, that means flying into Sanford, Fla., 30 minutes further from Walt Disney World than Orlando International Airport.

Frugal decisions like that helped Allegiant post a net profit of $78 million last year on revenue of $909 million. Its 8.6 percent profit margin was the highest of any U.S. airline, making it a darling of Wall Street.

The last five years have been good for airline investors. After a major spike in fuel prices in 2008 and a drop in business travelers, airlines tweaked their business models, adding baggage fees and cutting unprofitable flights. They started to make money and their stock prices climbed. While the S&P 500 climbed 26 percent in the past five years, an index of all U.S. airline stocks has tripled. Allegiant's stock has done even better, increasing more than fivefold to $105.40

Allegiant has 64 planes and flies to 87 cities, but it's tiny compared with an airline like United, which carried 20 times as many people last year, often on much longer flights.

The airline got its start in 1998 as a charter operation with one airplane. By February the following year, it had started scheduled flights between Fresno, Calif. and Las Vegas.

But its business struggled and less than two years later, it filed for bankruptcy protection. Maurice J. Gallagher, Jr., the airline's major creditor and a founder of ValuJet Airlines, gained control during the reorganization and became CEO. ValuJet was a low-cost carrier that changed its name to AirTran after a 1996 fatal crash in Florida.

Gallagher moved the airline from Fresno to Las Vegas; secured a lucrative contract with Harrah's to provide charter services to its casinos in Laughlin, Nev., and Reno, Nev.; and started to transform Allegiant into a low-cost carrier.

"The model evolved out of survival," says Gallagher, who is still CEO.

By 2003, the airline started turning profits, and it hasn't stopped. Gallagher's nearly 20 percent stake in the airline is now worth more than $380 million.

Allegiant benefits from paying lower salaries and having work rules that are more favorable to management than at most airlines. Flight attendants with 15 years of experience are paid $34 for each hour their plane is in the air ? $10 to $20 less than colleagues at larger carriers. Planes and crews typically end up at their home cities overnight, avoiding hotel rooms.

Wages could eventually shoot up. Pilots, flight attendants and dispatchers have all voted in the past two and a half years to join unions. The company has yet to sign a contract with any of them.

"We've been told several times at the (negotiating) table: If you don't like this job, there's the door," says Debra Petersen-Barber, who has been an Allegiant flight attendant for eight years and is the lead negotiator for the Transport Workers Union of America. "We have no value. We're easily replaced."

Thanks to its choice of aircraft, Allegiant has more flexibility than other airlines in deciding when and where to fly.

Instead of buying the newest, most expensive planes, the airline buys used, inexpensive jets. Its planes are 23 years old, on average, compared with the industry average of 14 years.

Each used MD-80 costs $3 million, compared with $40 million for a new Boeing 737 or Airbus A320 of similar size.

"When you have such little investment in an aircraft, you only fly it when it's going to be full of passengers," says Peter B. Barlow, an aircraft finance lawyer at Smith, Gambrell & Russell. "Other airlines don't have that luxury. They need to keep their aircraft in the air in order to make the economics work."

So on Tuesdays, when most of Allegiant's customers are stuck in the office, the airline keeps nearly all its planes on the ground.

Flying older planes has drawbacks, though. They burn more fuel, something Allegiant combats by squeezing 166 passengers onto planes ? 26 more than American Airlines has on comparable jets. They also have more mechanical problems, resulting in more delays.

One of every four Allegiant flights last year was at least 15 minutes late, the worst record in the industry, according to flight tracker FlightAware.

The bigger problem is if a mechanical issue forces a plane to be grounded. Given its limited schedule and packed planes, there usually isn't another flight to book passengers on. Instead, they are left waiting six hours while a new plane is flown in.

Sometimes flights are postponed to the next day. In one extreme situation in March, more than 1,700 passengers flying to and from Hawaii saw multi-day delays, including one flight that was 52 hours late.

That's a lot of time to kill at an airport bar.

__

Scott Mayerowitz can be reached at http://twitter.com/GlobeTrotScott.

Source: http://news.yahoo.com/tiny-allegiant-air-thrives-low-costs-high-fees-070304427.html

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Thursday, June 27, 2013

Japanese robots Kirobo and Mirata set for launch, literally

Japanese robots Kirobo and Mirata set to be launched, literally

Don't get excited about buying the new robots created by Japanese company Dentsu in conjunction with Toyota and the University of Tokyo -- they won't be hitting stores anytime soon. However, do get excited that one of them, namely the white-helmeted droid Kirobo (shown above, left), will actually be launched into orbit as part of a Japan Space Agency mission to the ISS on August 4th. In fact, he and his backup Mirata were endowed with voice recognition, natural language processing, speed synthesis, realistic body language and facial recognition for that very reason. They'll be participating in the "world's first conversational experiment" between people and robots in space, while also mixing it up with kids on earth with educational activities. Hopefully, the astronauts won't give Kirobo any HAL 9000-like control of the station, though the cute 'bots seem malice-free, saying they "wanted to create a future where humans and robots live together and get along." Check it out for yourself in the video after the break.

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Source: US News

Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/AWCTw8l10CA/

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People prefer 'carrots' to 'sticks' when it comes to healthcare incentives

People prefer 'carrots' to 'sticks' when it comes to healthcare incentives [ Back to EurekAlert! ] Public release date: 26-Jun-2013
[ | E-mail | Share Share ]

Contact: Anna Mikulak
amikulak@psychologicalscience.org
202-293-9300
Association for Psychological Science

To keep costs low, companies often incentivize healthy lifestyles. Now, new research suggests that how these incentives are framed as benefits for healthy-weight people or penalties for overweight people makes a big difference.

The research, published in Psychological Science, a journal of the Association for Psychological Science, shows that policies that carry higher premiums for overweight individuals are perceived as punishing and stigmatizing.

Researcher David Tannenbaum of the Anderson School of Management at the University of California, Los Angeles wanted to investigate how framing healthcare incentives might influence people's attitudes toward the incentives.

"Two frames that are logically equivalent can communicate qualitatively different messages," Tannenbaum explains.

In the first study, 126 participants read about a fictional company grappling with managing their employee health-care policy. They were told that the company was facing rising healthcare costs, due in part to an increasing percentage of overweight employees, and were shown one of four final policy decisions.

The "carrot" plan gave a $500 premium reduction to healthy-weight people, while the "stick" plan increased premiums for overweight people by $500. The two plans were functionally equivalent, structured such that healthy-weight employees always paid $2000 per year in healthcare costs, and overweight employees always paid $2500 per year in healthcare costs.

There were also two additional "stick" plans that resulted in a $2400 premium for overweight people.

Participants were more likely to see the "stick" plans as punishment for being overweight and were less likely to endorse them.

But they didn't appear to differentiate between the three "stick" plans despite the $100 premium difference. Instead, they seemed to evaluate the plans on moral grounds, deciding that punishing someone for being overweight was wrong regardless of the potential savings to be had.

The data showed that framing incentives in terms of penalties may have particular psychological consequences for affected individuals: People with higher body mass index (BMI) scores reported that they would feel particularly stigmatized and dissatisfied with their employer under the three "stick" plans.

Another study placed participants in the decision maker's seat to see if "stick" and "carrot" plans actually reflected different underlying attitudes. Participants who showed high levels of bias against overweight people were more likely to choose the "stick" plan, but provided different justification depending on whether their bias was explicit or implicit:

"Participants who explicitly disliked overweight people were forthcoming about their decision, admitting that they chose a 'stick' policy on the basis of personal attitudes," noted Tannenbaum. "Participants who implicitly disliked overweight people, in contrast, justified their decisions based on the most economical course of action."

Ironically, if they were truly focused on economic concerns they should have opted for the "carrot" plan, since it would save the company $100 per employee. Instead, these participants tended to choose the strategy that effectively punished overweight people, even in instances when the "stick" policy implied a financial cost to the company.

Tannenbaum concludes that these framing effects may have important consequences across many different real-world domains:

"In a broad sense, our research affects policymakers at large," says Tannenbaum. "Logically equivalent policies in various domains such as setting a default option for organ donation or retirement savings can communicate very different messages, and understanding the nature of these messages could help policymakers craft more effective policy."

###

Co-authors on this research include Chad Valasek of the University of California, San Diego; Eric Knowles of New York University; and Peter Ditto of the University of California, Irvine.

For more information about this study, please contact: David Tannenbaum at david.tannenbaum@anderson.ucla.edu.

The APS journal Psychological Science is the highest ranked empirical journal in psychology. For a copy of the article "Incentivizing Wellness in the Workplace: Sticks (Not Carrots) Send Stigmatizing Signals" and access to other Psychological Science research findings, please contact Anna Mikulak at 202-293-9300 or amikulak@psychologicalscience.org.


[ 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.


People prefer 'carrots' to 'sticks' when it comes to healthcare incentives [ Back to EurekAlert! ] Public release date: 26-Jun-2013
[ | E-mail | Share Share ]

Contact: Anna Mikulak
amikulak@psychologicalscience.org
202-293-9300
Association for Psychological Science

To keep costs low, companies often incentivize healthy lifestyles. Now, new research suggests that how these incentives are framed as benefits for healthy-weight people or penalties for overweight people makes a big difference.

The research, published in Psychological Science, a journal of the Association for Psychological Science, shows that policies that carry higher premiums for overweight individuals are perceived as punishing and stigmatizing.

Researcher David Tannenbaum of the Anderson School of Management at the University of California, Los Angeles wanted to investigate how framing healthcare incentives might influence people's attitudes toward the incentives.

"Two frames that are logically equivalent can communicate qualitatively different messages," Tannenbaum explains.

In the first study, 126 participants read about a fictional company grappling with managing their employee health-care policy. They were told that the company was facing rising healthcare costs, due in part to an increasing percentage of overweight employees, and were shown one of four final policy decisions.

The "carrot" plan gave a $500 premium reduction to healthy-weight people, while the "stick" plan increased premiums for overweight people by $500. The two plans were functionally equivalent, structured such that healthy-weight employees always paid $2000 per year in healthcare costs, and overweight employees always paid $2500 per year in healthcare costs.

There were also two additional "stick" plans that resulted in a $2400 premium for overweight people.

Participants were more likely to see the "stick" plans as punishment for being overweight and were less likely to endorse them.

But they didn't appear to differentiate between the three "stick" plans despite the $100 premium difference. Instead, they seemed to evaluate the plans on moral grounds, deciding that punishing someone for being overweight was wrong regardless of the potential savings to be had.

The data showed that framing incentives in terms of penalties may have particular psychological consequences for affected individuals: People with higher body mass index (BMI) scores reported that they would feel particularly stigmatized and dissatisfied with their employer under the three "stick" plans.

Another study placed participants in the decision maker's seat to see if "stick" and "carrot" plans actually reflected different underlying attitudes. Participants who showed high levels of bias against overweight people were more likely to choose the "stick" plan, but provided different justification depending on whether their bias was explicit or implicit:

"Participants who explicitly disliked overweight people were forthcoming about their decision, admitting that they chose a 'stick' policy on the basis of personal attitudes," noted Tannenbaum. "Participants who implicitly disliked overweight people, in contrast, justified their decisions based on the most economical course of action."

Ironically, if they were truly focused on economic concerns they should have opted for the "carrot" plan, since it would save the company $100 per employee. Instead, these participants tended to choose the strategy that effectively punished overweight people, even in instances when the "stick" policy implied a financial cost to the company.

Tannenbaum concludes that these framing effects may have important consequences across many different real-world domains:

"In a broad sense, our research affects policymakers at large," says Tannenbaum. "Logically equivalent policies in various domains such as setting a default option for organ donation or retirement savings can communicate very different messages, and understanding the nature of these messages could help policymakers craft more effective policy."

###

Co-authors on this research include Chad Valasek of the University of California, San Diego; Eric Knowles of New York University; and Peter Ditto of the University of California, Irvine.

For more information about this study, please contact: David Tannenbaum at david.tannenbaum@anderson.ucla.edu.

The APS journal Psychological Science is the highest ranked empirical journal in psychology. For a copy of the article "Incentivizing Wellness in the Workplace: Sticks (Not Carrots) Send Stigmatizing Signals" and access to other Psychological Science research findings, please contact Anna Mikulak at 202-293-9300 or amikulak@psychologicalscience.org.


[ 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/2013-06/afps-pp062613.php

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Beyonce's father sues Rupert Murdoch's Sun for defamation

By Tim Kenneally

LOS ANGELES (TheWrap.com) - Matthew Knowles, father and former manager of music superstar Beyonce Knowles, has filed suit against the Sun, claiming that Rupert Murdoch's British tabloid made "malicious and false statements" in an article about him.

The suit claims that Knowles consented to an interview with reporter Georgina Dickinson on the condition that he would not "discuss personal family topics, only his career and the career of his artists, and music or business topics." Dickinson promised that her article would "paint a well-rounded picture of Mr. Knowles, both as a loving family man and force to be reckoned with in the music world."

However, according to the suit, the story published in the Sun contains multiple falsehoods, including the claim that Knowles had suffered a "bitter rift with his famous daughter - admitting he is devastated at being pushed out of her life."

Knowles' suit states that the article also claims that he "has reportedly not yet met Blue Ivy," despite photographic evidence to the contrary.

TheWrap has reached out to Murdoch's News Corporation for comment.

Knowles' suit claims that, when he confronted Dickinson about the assertions in the article, she could "only apologize that someone in London, not me" changed the story, and sent him the story as she submitted to the paper.

The difference between the filed story and the published story, the suit claims, "is stark."

On top of it all, the complaint, filed in U.S. District Court in Texas on Tuesday, claims that Knowles was promised payment for the interview in exchange for pass on future interviews with U.K. publishers, but "the promised payment, however, was never made."

Alleging defamation and breach of contract, Knowles is seeking unspecified damages.

(Pamela Chelin contributed to this report)

Source: http://news.yahoo.com/beyonces-father-sues-rupert-murdochs-sun-defamation-003332619.html

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Thursday, June 20, 2013

House to vote on cuts to crop insurance

(AP) ? The House will vote Thursday on whether to cut federally-subsidized crop insurance that helps farmers when they lose crops or revenue.

The amendment by Rep. Ron Kind, D-Wis., would limit government help for crop insurance paid to wealthy farmers and limit the subsidies the government gives crop insurance companies.

A vote on the amendment is one of several expected on the five-year, half-trillion-dollar farm bill. Supporters of the bill are rushing to complete the legislation Thursday, though it isn't clear whether they have the votes for passage.

The House bill, which would cut around $4 billion a year in overall spending on farm and nutrition programs, expands crop insurance programs and creates a new kind of crop insurance that kicks in before farmers' paid policies.

Kind and other Democrats say the bill should cut more from farm subsidies like crop insurance and less from food stamps, which would take a $2 billion hit in the bill. The House rejected a Democratic amendment Wednesday that would have eliminated the cuts to the $80 billion-a-year domestic food aid program.

The chamber is also scheduled to vote on an amendment that would reduce food stamp benefits if Congress doesn't pass a farm bill. Rep. Mike Conaway, R-Texas, said he offered the amendment to create more of a sense of urgency among Democrats.

"Right now they're on the take side and they're not part of the process," Conaway said. Conaway and other members of the House Agriculture Committee have been scrambling to find enough votes for the bill, which could falter without Democratic support in the Republican-controlled House.

For several decades farm bills have combined farm subsidies and food stamps to attract urban votes for the rural bill. But that coalition is now shaky, as the food stamp program ? now called the Supplemental Nutrition Assistance Program, or SNAP ? has doubled in cost over the last five years and now feeds 1 in 7 Americans. Conservatives say more cuts in food stamps are needed while liberals oppose any reductions, contending that the House plan could take as many as 2 million needy recipients off the rolls.

Amendments adopted by voice vote Wednesday chipped away at SNAP. The House adopted an amendment to require drug tests for SNAP recipients, angering Democrats who said the tests would be demeaning to applicants. Lawmakers also adopted an amendment that would end a 2004 U.S.-Mexico agreement to educate Mexican-Americans about food stamps. More amendments to scale back the program are expected.

Also Wednesday, the House voted to delay sweeping food safety rules proposed by the Food and Drug Administration earlier this year.

The proposed rules would require farmers to take new precautions against contamination, such as making sure workers' hands are washed and irrigation water is clean. The amendment was offered by Rep. Dan Benishek, R-Mich., who said the regulations would be burdensome to farmers in his district.

Farm support is another complicating factor in the legislation, as opposition to farm subsidies has been growing among Republicans. Conservatives have proposed amendments that would cut back dairy and sugar supports, which could turn lawmakers from certain regions of the country against the bill.

House Speaker John Boehner, R-Ohio, has said he has concerns about the legislation but wants to get the bill to House and Senate negotiators for a potential deal. He said he will vote for it, saying the change in policy is better than doing nothing.

House Agriculture Committee Chairman Frank Lucas, R-Okla., says the bill is necessary to avoid farm crises and has some of the biggest reforms in decades. It would eliminate $5 billion a year in direct payments, subsidies that are paid to farmers whether they grow or not. The measure would also expand crop insurance and make it easier for rice and peanut farmers to collect subsidies.

The Senate passed its version of the farm bill last week, with about $2.4 billion a year in overall cuts and a $400 million annual decrease in SNAP ? one-fifth of the House bill's food stamp cuts.

___

Follow Mary Clare Jalonick on Twitter: http://twitter.com/mcjalonick

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/386c25518f464186bf7a2ac026580ce7/Article_2013-06-20-Farm%20Bill/id-5bb5c6b1717e46a1b6827914db186385

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Microsoft pulls a 180, says new Xbox One will work offline

Microsoft?announced?that its new Xbox One game console will be able to play games offline, and will be able to lend or sell used disc-based games.

By Reuters / June 20, 2013

Microsoft reversed its position on its forthcoming Xbox One game console to allow offline gaming and lending or selling of disc-based games.

REUTERS/David McNew

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Microsoft?Corp said on Wednesday that users of its forthcoming Xbox One game console will be able to play games offline without establishing an Internet connection, and will be able to lend or sell used disc-based games.

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The announcement reverses the company's position when it unveiled the console in May, causing consternation among hardcore gamers.

The company had reversed its earlier stance on used games and daily online authentication after listening to "candid feedback" from its fans, Don Mattrick, president of the Interactive Entertainment Business at Microsoft,?said in a blog post on Wednesday.

Last week at the Electronic Entertainment Expo (E3) in Los Angeles, Microsoft?announced a $499 price tag for its first new Xbox in eight years and said it would go on sale in the United States in November in 21 countries.

Its rival, Sony Corp, said it would sell the next-generation PlayStation model for $399 late in the year. At an E3 presentation to announce features of the PlayStation 4, Sony drew cheers from the audience when it said the PS4 would run second-hand games and did not require an always-on Internet connection.

Before changing its policy, Microsoft?had elicited groans from gamers when it announced that used games could be played on the Xbox One for a fee to be determined by game publishers and said players had to log onto the Internet for authentication.

"You told us how much you loved the flexibility you have today with games delivered on disc. The ability to lend, share, and resell these games at your discretion is of incredible importance to you," Mattrick said in his blog post. "Also important to you is the freedom to play offline, for any length of time, anywhere in the world."

Source: http://rss.csmonitor.com/~r/feeds/csm/~3/j5UkLpzDdZU/Microsoft-pulls-a-180-says-new-Xbox-One-will-work-offline

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It's scrap, not trash, and it's also one of America's top exports

International scrap dealers educate our reporter on the language of our leftovers.

By Peter Ford,?Staff Writer / June 19, 2013

One thing you learn quickly if you hang around scrap merchants is not to refer to the materials in which they trade as "trash" or "garbage" or "junk."

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Beijing Bureau Chief

Peter Ford is The Christian Science Monitor?s Beijing Bureau Chief. He covers news and features throughout China and also makes reporting trips to Japan and the Korean peninsula.

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At a recent convention here of the Bureau of International Recycling (essentially the global forum for scrap dealers) I drew some very sharp looks and a reprimand or two before I got the message.

Of course, the traders are right. If scrap was indeed trash it would not be worth anything. And scrap is certainly worth something. In fact, according to a recent Bank of America-Merrill Lynch report, the global waste and recycling business is worth $1 trillion a year. And it could be worth double that by 2020.

"Where there's muck, there's brass," runs an old Yorkshire adage.

People in the know at the conference told me that a lot of the participants were millionaires at least. But they work in the shadows of the world economy, attracting little attention.

Did you know, for example, that trash ? I mean scrap ? was America's top export to China in 2011? (Though maybe not for long, because of new Chinese regulations.)

There is one synonym for "scrap" that its devotees more or less allow ? "waste." But, as I was reminded by Surendra Borad, an Indian businessman whose company, Gemini, handles more scrap plastic than any other firm, "waste is not waste until it is wasted."

Source: http://rss.csmonitor.com/~r/csmonitor/globalnews/~3/KDKM3rHWzRo/It-s-scrap-not-trash-and-it-s-also-one-of-America-s-top-exports

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Wednesday, June 19, 2013

Obama bristles at suggestion he's shifted on snooping (CNN)

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Trapped in an Underwater Air Bubble for Three Days

Harrison Okene, 29, outside an hotel in Nigeria's oil city of Warri June 12, 2013. After two days trapped in freezing cold water and breathing from an air bubble. Harrison Okene, 29, stands outside a hotel in Nigeria's oil city of Warri on June 12, 2013.

Photo by Joe Brock/Reuters

Being buried alive is usually near the top of any worst-ways-to-die list. But how about being buried alive 100 feet below the ocean surface in a tiny pocket of air? For Harrison Okene, a 29-year-old Nigerian boat cook, this nightmare scenario became a reality for nearly three grueling days.

The story began on May 26 at about 4:30 a.m., when Okene got up to use the restroom. His vessel, a Chevron oil service tugboat called the AHT Jascon-4, swayed in the choppy Atlantic waters just off the coast of Nigeria. What caused the tugboat to capsize remains a mystery, though a Chevron official later blamed a ?sudden ocean swell.?

Okene was thrown from the crew restroom as the ship turned over. Water streamed in and swept him through the vessel?s bowels until he found himself in the toilet of an officer?s cabin. As the ship settled on the ocean floor, the water stopped rising. For the next 60 hours, Okene?who was without food, water, or light?listened to the sounds of ocean creatures scavenging through the ship on his dead crewmates. Like a living Phlebas the Phoenician, he recounted his life?s events while growing more resigned to his fate.

Unbelievably, Okene survived his underwater ordeal long enough to be rescued. Basic physics, it turned out, was on Okene?s side the whole time?even if Poseidon wasn?t.

When Maxim Umansky, a physicist at the Lawrence Livermore National Laboratory in California, read about Okene?s miraculous rescue, his interest was piqued. ?For a physics question, it?s an interesting problem,? said Umansky. ?Of course, I?m also glad the man survived and happy with the ending of his story.?

Umansky began conducting his own calculations to quantify the factors responsible for Okene?s survival. He also posed a question to a physics Web forum: How large does a bubble have to be to sustain a person with breathable air?

Okene?s salvation?the air bubble?was trapped because the overturned boat acted as a sort of diving bell, the cup-shaped chambers that have transported explorers and workers into the depths for centuries. In the fourth century B.C., Aristotle described the contraptions as enabling ?the divers to respire equally well by letting down a cauldron, for this does not fill with water, but retains the air, for it is forced straight down into the water.? Years later, diving bells called caissons helped 19th-century workers construct the Brooklyn Bridge (though many died in the process).

Whether in a bell or boat, trapped air rises to the top of a concave chamber. The only way it can escape is by diffusing through the water itself, one molecule at a time. Eventually this would happen, but Okene would have succumbed to thirst, hypothermia, or asphyxiation long before his air bubble diffused into the ocean.

Fans of horror movies will note that asphyxiation typically claims victims of live burial. Carbon dioxide accounts for about 0.03 percent of normal air. If someone is trapped in an enclosed space, however, exhaling CO2 with every breath, the proportion of oxygen steadily decreases while the level of carbon dioxide increases. It?s the deadly CO2, not the lack of oxygen, that ultimately kills a person. Once the air reaches around 5 percent CO2, the victim becomes confused and panicked, starts hyperventilating, and eventually loses consciousness. Death follows. In an enclosed coffin, a person may produce deadly levels of carbon dioxide within two hours or so.

But Okene didn?t asphyxiate despite being trapped in a small, sealed space for 60 hours. How was this possible?

The water encapsulating his air bubble may have played a small role in his survival.? Carbon dioxide, more so than oxygen or nitrogen, readily dissolves into water?especially cold water. The rate at which this occurs follows Henry?s law, a physics rule that states that the solubility of gas in a liquid is proportional to the pressure of the gas above the liquid. Disturbing the water?s surface, which increases its surface area, likewise increases the rate of transport of gaseous CO2 into the liquid. But if the volume of gas were too small to begin with?in other words, if deadly CO2 built up faster than it could diffuse away?that process wouldn?t have made much of a difference for Okene.

Humans require 10 cubic meters of air per day. So for Okene to continue breathing for 60 hours, he needed 25 cubic meters of air. (Even if his metabolism changed in the cold water, Umansky says, this is still a safe estimate). But Okene was breathing at 100 feet, or 30 meters, below the surface of the water. For every 10 meters a person descends, one atmosphere of pressure is added. This compresses gas and makes it denser, according to Boyle?s law.?

Since Okene was trapped at 30 meters below the surface, his air supply became denser by a factor of four. This means he needed only 6 cubic meters of air to survive rather than 25 cubic meters. A space of about 6 feet by 10 feet by 3 feet would be sufficient to supply that amount of air. The press reported that Okene?s chamber was only about 4 feet high, and Umansky speculates that it must have been connected to another air pocket under the hull of the boat. ?That?s the most reasonable explanation for this miraculous survival,? he said.

In a lively discussion on the physics forum, about a dozen participants offered their own calculations and observations. One user, Anna V., came up with a slightly larger figure for the bubble?s required size, about 10 feet by 25 feet by 25 feet. An enclosure of this size ?is a reasonable one on a tugboat,? she writes. ?He was just lucky the air siphoned where he was trapped.?

Other people have survived short periods underwater breathing trapped air. In 1991 diver Michael Proudfoot reportedly spent two days in an air pocket on a sunken ship off the coast of California after he accidentally smashed his scuba gear. Okene likely holds the new record for most time spent trapped underwater. After his rescue, he had to spend another 60 hours in a decompression chamber to rid his body of excess nitrogen, and some of his skin peeled off from soaking in salt water for so long. As one of his friends understatedly wrote on Okene?s Facebook wall, ?I feel sorry for u that happened man.? Dozens of other friends and family members thank God and Jesus for looking out for Okene, though perhaps a hat tip to physics is in order, too.

Video Explainer: Can severe turbulence bring down a plane?

Source: http://www.slate.com/articles/health_and_science/science/2013/06/harrison_okene_s_shipwreck_air_bubble_how_could_he_survive_underwater_for.html

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Get Your Arts Fix at Summer's Best Music Fest - Onward State

Summer in Happy Valley brings out the best local artists and entertainment from around Pennsylvania. Though we still have a few weeks until Arts Fest, you can still visit State College to hear some of the area?s most talented artists and musicians. This Saturday, June 22nd kicks off Summer?s Best Music Fest 2013, the annual day long arts and music festival held in downtown State College.

The festival will feature a full day of music on three stages throughout downtown State College, as well as additional activities for the whole family. The annual downtown street bazaar will host artists selling their crafts along Allen Street and Calder Way, the Centre County PAWS will host a live event at Humes Alley on Calder featuring dogs who need a good home, and the downtown artist marketplace Uncle Eli?s will sponsor the Plein Air Painting competition.

Check out the full music schedule for each stage below:

Allen Street Stage
12:30 ? Keystone Society of Swing (Big Band)
2:00 ? ? Callanish (Celtic)
3:30 ? ??Triple A Blues Band (Blues)
5:00 ? ??Chicken Tractor (Americana Folk)
6:30 ? ? Erin Condo & the Hoofties (Contemporary Country/Folk)
8:00 ? ??Pure Cane Sugar (Downhome Rock)

Calder Way Stage
12:00 ? Hot Mamas (Contemporary)
1:30 ? ? Tussey Mountain Moonshiners (Bluegrass)
3:00 ? ??Jay Vonada Jazz Trio (Jazz)
4:30 ? ? Biscuit Jam (Contemporary Folk)

Hiester Street ?Rock the Block? Stage
12:30 ? Sonic Schroeder (Retro Rock/Variety)
2:00 ? ? Percolators (Reggae)
3:30 ? ? Spider Kelly (Rock)
5:00 ? ? Ted & The HiFis (Variety Rock)
7:00 ? ? Atlas Soundtrack (Hip Hop/Funk)

Source: http://onwardstate.com/2013/06/19/get-your-arts-fix-at-summers-best-music-fest/

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Obama's Berlin speech: History raises the stakes

BERLIN (AP) ? Five years and 50 years. As President Barack Obama revisits Berlin, he can't escape those anniversaries and the inevitable comparisons to history and personal achievement.

His 26-hour whirlwind visit to the German capital caps three days of international summitry for the president and marks his return to a place where he once summoned a throng of 200,000 to share his ambitious vision for American leadership.

That was 2008, when Obama was running for president and those who supported him at home and abroad saw the young mixed-race American as a unifying and transformational figure who signified hope and change.

Five years later, Obama comes to deliver a highly anticipated speech to a country that's a bit more sober about his aspirations and the extent of his successes, yet still eager to receive his attention at a time that many here feel that Europe, and Germany in particular, are no longer U.S. priorities. A Pew Research Center poll of Germans found that while their views of the U.S. have slipped since Obama's first year in office, he has managed to retain his popularity, with 88 percent of those surveyed approving of his foreign policies.

Obama also has an arc of history to fulfill.

Fifty years ago next week, President John F. Kennedy addressed a crowd of 450,000 in that then-divided city to denounce the Soviet bloc and famously declare "Ich bin ein Berliner," German for "I am a Berliner." Since then, presidents from Ronald Reagan to Bill Clinton have used Berlin speeches to articulate broad themes about freedom and international alliances.

Obama, fresh from a two-day summit of the Group of Eight industrial economies, will speak at the Brandenburg Gate, a symbol of Germany's division and later reunification. It is a venue that German Chancellor Angela Merkel denied him in 2008, saying only sitting presidents were granted such an honor.

The past context ? and the weight of it ? are not lost on the White House.

"This is a place where U.S. presidents have gone to talk about the role of the free world essentially," said Obama's deputy national security adviser, Ben Rhodes. "He is seeking to summon the energy and legacy of what's been done in the past and apply it to the issues that we face today."

Rhodes said Obama will make the case that even though the Berlin Wall came down 23 years ago and the threat of nuclear war has dissipated, the type of activism apparent during the Cold War needs to be applied to such current challenges as climate change, counterterrorism and the push for democratic values beyond the United States and Europe.

A senior administration official said Obama will also renew his call to reduce the world's nuclear stockpiles, including a proposed one-third reduction in U.S. and Russian arsenals. He is not expected to outline a timeline for this renewed push. The official insisted on anonymity in order to preview the issue before the president's speech.

Obama will also hold a joint news conference with Merkel.

The visit was attracting widespread attention in Germany. People waved and snapped photos as Obama sped by after his arrival and a thick cluster awaited the motorcade as it passed the Brandenburg Gate. An evening news show in Berlin devoted itself to the president's visit, highlighting "Das Biest," or "The Beast," as the president's armored limousine is called.

There have been a few small protests, including one directed against the National Security Agency's surveillance of foreign communications, where about 50 people waved placards taunting, "Yes, we scan."

Merkel has said she was surprised at the scope of the spying that was revealed and said the U.S. must clarify what information is monitored. But she also said U.S. intelligence was key to foiling a large-scale terror plot and acknowledged her country is "dependent" on cooperating with American spy services.

For Merkel, the visit presents an opportunity to bolster her domestic standing ahead of a general election in September.

The U.S. and the Germans have clashed on economic issues, with Obama pressing for Europe to prime the economy with government stimulus measures, while Merkel has insisted on pressing debt-ridden countries to stabilize their fiscal situations first.

But the two sides have found common ground on a trans-Atlantic trade pact between the European Union and the U.S. At the just-completed G-8 summit, the leaders agreed to hold the first talks next month in the U.S.

___

Associated Press writers Julie Pace, Robert Reid and Frank Jordans in Berlin contributed to this report.

Source: http://news.yahoo.com/obamas-berlin-speech-history-raises-stakes-061335355.html

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Tuesday, June 11, 2013

How do Americans feel about NSA surveillance? Ambivalent

When terrorists strike, intelligence agencies are faulted for failure to 'connect the dots.' If that's what the NSA is trying to do with its mass surveillance of phone records and Internet use, how do Americans feel about that?

By Brad Knickerbocker,?Staff writer / June 9, 2013

President Barack Obama gestures at a press conference Friday in San Jose, Calif. Speaking about the NSA collecting phone records, the president said "Nobody is listening to your telephone calls," just numbers and duration.

Evan Vucci/AP

Enlarge

Every time foreign-influenced attackers successfully strike the United States ? the mass shooting at Ft. Hood, the Boston Marathon bombing ? government agencies are faulted for failure to ?connect the dots.?

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Why weren?t US Army Maj. Nidal Hasan?s e-mail contacts with radical cleric Anwar al-Awlaki (the American-born imam later killed in a US drone attack in Yemen) seen as reason enough to possibly head off Hasan?s killing 13 people at the Army post in Texas?

Why weren?t the Tsarnaev brothers? possible links to radical Islam ? including older brother Tamerlan Tsarnaev?s six-month trip to?Russia, where he spent considerable time in the Islamic republics of Chechnya?and?Dagestan ? enough to tip off the FBI to investigate further? Shortly after that trip, Tamerlan began posting YouTube videos exhorting jihad.

Connecting the dots is exactly what the National Security Agency says it?s trying to do with the now-revealed programs vacuuming up billions of bits of ?mega-data? on telephone calls and Internet use.

How do Americans feel about this?

With the latest revelations just days ? in some cases, hours ? old, it?s too soon to know for sure.

But since the terrorist attacks of 9/11, the public has been generally supportive of national security efforts ? sometimes finding those more important than any concern about privacy and other things dear to civil liberties advocates.

?Voters give government leeway to snoop? reads the headline on James Hohmann?s piece on Politico.com.

?Privacy is sort of like the deficit: In the abstract, voters rate it a serious concern,? Mr. Hohmann writes. ?But drill down, and they don?t want to cut the entitlements that balloon federal spending ? or end programs that have prevented terrorist attacks. Especially if Americans don?t believe their own computers and phones are being monitored, they are willing to give the government a long leash.?

Source: http://rss.csmonitor.com/~r/feeds/csm/~3/7s3Y-ArVZLI/How-do-Americans-feel-about-NSA-surveillance-Ambivalent

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Testing artificial photosynthesis

Testing artificial photosynthesis [ Back to EurekAlert! ] Public release date: 10-Jun-2013
[ | E-mail | Share Share ]

Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory

Berkeley Lab researchers develop fully integrated microfluidic test-bed for solar-driven electrochemical energy conversion systems

With the daily mean concentrations of atmospheric carbon dioxide having reached 400 parts-per-million for the first time in human history, the need for carbon-neutral alternatives to fossil fuel energy has never been more compelling. With enough energy in one hour's worth of global sunlight to meet all human needs for a year, solar technologies are an ideal solution. However, a major challenge is to develop efficient ways to convert solar energy into electrochemical energy on a massive-scale. A key to meeting this challenge may lie in the ability to test such energy conversion schemes on the micro-scale.

Berkeley Lab researchers, working at the Joint Center for Artificial Photosynthesis (JCAP), have developed the first fully integrated microfluidic test-bed for evaluating and optimizing solar-driven electrochemical energy conversion systems. This test-bed system has already been used to study schemes for photovoltaic electrolysis of water, and can be readily adapted to study proposed artificial photosynthesis and fuel cell technologies.

"We've demonstrated a microfluidic electrolyzer for water splitting in which all functional components can be easily exchanged and tailored for optimization," says Joel Ager, a staff scientist with Berkeley Lab's Materials Sciences Division. "This allows us to test on a small scale strategies that can be applied to large scale systems."

Ager is one of two corresponding authors of a paper in the journal Physical Chemistry Chemical Physics (PCCP) titled "Integrated microfluidic test-bed for energy conversion devices." Rachel Segalman, also with Berkeley Lab's Materials Sciences Division is the other corresponding author. Other co-authors are Miguel Modestino, Camilo Diaz-Botia, Sophia Haussener and Rafael Gomez-Sjoberg.

For more than two billion years, nature has employed photosynthesis to oxidize water into molecular oxygen. An artificial version of photosynthesis is regarded as one of the most promising of solar technologies. JCAP is a multi-institutional partnership led by the California Institute of Technology (Caltech) and Berkeley Lab with operations in Berkeley (JCAP-North) and Pasadena (JCAP-South). The JCAP mission is to develop an artificial version of photosynthesis through specialized membranes made from nano-engineered materials that can do what nature does only much more efficiently and for the purpose of producing storable fuels such as hydrogen or hydrocarbons (gasoline, diesel, etc.).

"The operating principles of artificial photosynthetic systems are similar to redox flow batteries and fuel cells in that charge-carriers need to be transported to electrodes, reactants need to be fed to catalytic centers, products need to be extracted, and ionic transport both from the electrolyte to catalytic centers and across channels needs to occur," Ager says. "While there have been a number of artificial photosynthesis demonstrations that have achieved attractive solar to hydrogen conversion efficiencies, relatively few have included all of the operating principles, especially the chemical isolation of the cathode and anode."

The microfluidic test-bed developed by Ager and his colleagues at JCAP-N allows for different anode and cathode materials to be integrated and electrically accessed independently through macroscopic contacts patterned in the outside of the microfabricated chip. The transport of charge-carriers occurs through an ion conducting polymer membrane, and electrolysis products can be evolved and collected in separated streams. This general design provides selective catalysis at the cathode and anode, minimization of cross-over losses, and managed transport of the reactants. Virtually any photoelectrochemical component, including those made of earth-abundant elements, can be incorporated into the test-bed.

Says Modestino, the lead author of the PCCP paper, "In our experimental realization of the design, a series of 19 parallel channels were fabricated in each device, with a total active area of eight square millimeters. As the microfabricated chips are relatively easy to make, we can readily change dimensions and materials to optimize performance."

###

This research was supported by the DOE Office of Science.

Lawrence Berkeley National Laboratory addresses the world's most urgent scientific challenges by advancing sustainable energy, protecting human health, creating new materials, and revealing the origin and fate of the universe. Founded in 1931, Berkeley Lab's scientific expertise has been recognized with 13 Nobel prizes. The University of California manages Berkeley Lab for the U.S. Department of Energy's Office of Science. For more, visit http://www.lbl.gov.

DOE's Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit the Office of Science website at science.energy.gov/.


[ 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.


Testing artificial photosynthesis [ Back to EurekAlert! ] Public release date: 10-Jun-2013
[ | E-mail | Share Share ]

Contact: Lynn Yarris
lcyarris@lbl.gov
510-486-5375
DOE/Lawrence Berkeley National Laboratory

Berkeley Lab researchers develop fully integrated microfluidic test-bed for solar-driven electrochemical energy conversion systems

With the daily mean concentrations of atmospheric carbon dioxide having reached 400 parts-per-million for the first time in human history, the need for carbon-neutral alternatives to fossil fuel energy has never been more compelling. With enough energy in one hour's worth of global sunlight to meet all human needs for a year, solar technologies are an ideal solution. However, a major challenge is to develop efficient ways to convert solar energy into electrochemical energy on a massive-scale. A key to meeting this challenge may lie in the ability to test such energy conversion schemes on the micro-scale.

Berkeley Lab researchers, working at the Joint Center for Artificial Photosynthesis (JCAP), have developed the first fully integrated microfluidic test-bed for evaluating and optimizing solar-driven electrochemical energy conversion systems. This test-bed system has already been used to study schemes for photovoltaic electrolysis of water, and can be readily adapted to study proposed artificial photosynthesis and fuel cell technologies.

"We've demonstrated a microfluidic electrolyzer for water splitting in which all functional components can be easily exchanged and tailored for optimization," says Joel Ager, a staff scientist with Berkeley Lab's Materials Sciences Division. "This allows us to test on a small scale strategies that can be applied to large scale systems."

Ager is one of two corresponding authors of a paper in the journal Physical Chemistry Chemical Physics (PCCP) titled "Integrated microfluidic test-bed for energy conversion devices." Rachel Segalman, also with Berkeley Lab's Materials Sciences Division is the other corresponding author. Other co-authors are Miguel Modestino, Camilo Diaz-Botia, Sophia Haussener and Rafael Gomez-Sjoberg.

For more than two billion years, nature has employed photosynthesis to oxidize water into molecular oxygen. An artificial version of photosynthesis is regarded as one of the most promising of solar technologies. JCAP is a multi-institutional partnership led by the California Institute of Technology (Caltech) and Berkeley Lab with operations in Berkeley (JCAP-North) and Pasadena (JCAP-South). The JCAP mission is to develop an artificial version of photosynthesis through specialized membranes made from nano-engineered materials that can do what nature does only much more efficiently and for the purpose of producing storable fuels such as hydrogen or hydrocarbons (gasoline, diesel, etc.).

"The operating principles of artificial photosynthetic systems are similar to redox flow batteries and fuel cells in that charge-carriers need to be transported to electrodes, reactants need to be fed to catalytic centers, products need to be extracted, and ionic transport both from the electrolyte to catalytic centers and across channels needs to occur," Ager says. "While there have been a number of artificial photosynthesis demonstrations that have achieved attractive solar to hydrogen conversion efficiencies, relatively few have included all of the operating principles, especially the chemical isolation of the cathode and anode."

The microfluidic test-bed developed by Ager and his colleagues at JCAP-N allows for different anode and cathode materials to be integrated and electrically accessed independently through macroscopic contacts patterned in the outside of the microfabricated chip. The transport of charge-carriers occurs through an ion conducting polymer membrane, and electrolysis products can be evolved and collected in separated streams. This general design provides selective catalysis at the cathode and anode, minimization of cross-over losses, and managed transport of the reactants. Virtually any photoelectrochemical component, including those made of earth-abundant elements, can be incorporated into the test-bed.

Says Modestino, the lead author of the PCCP paper, "In our experimental realization of the design, a series of 19 parallel channels were fabricated in each device, with a total active area of eight square millimeters. As the microfabricated chips are relatively easy to make, we can readily change dimensions and materials to optimize performance."

###

This research was supported by the DOE Office of Science.

Lawrence Berkeley National Laboratory addresses the world's most urgent scientific challenges by advancing sustainable energy, protecting human health, creating new materials, and revealing the origin and fate of the universe. Founded in 1931, Berkeley Lab's scientific expertise has been recognized with 13 Nobel prizes. The University of California manages Berkeley Lab for the U.S. Department of Energy's Office of Science. For more, visit http://www.lbl.gov.

DOE's Office of Science is the single largest supporter of basic research in the physical sciences in the United States, and is working to address some of the most pressing challenges of our time. For more information, please visit the Office of Science website at science.energy.gov/.


[ 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/2013-06/dbnl-tap061013.php

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