Tuesday, April 30, 2013

Chamath Palihapitiya Chats About Why Big Ideas Are Harder To Find, But Could Be Easier To Get Funded

Screenshot_4_29_13_12_05_PMThe Social+Capital Founder, early Facebook employee and owner of the Golden State Warriors, Chamath Palihapitiya, joined us onstage at Disrupt NY?and gave some brutally honest answers to questions as to why we’re seeing a lull in innovation. I had a chance to talk to Palihapitiya?back stage and we dove deeper into the fact that the Valley should “be ashamed of itself” over the lack of new and big ideas. One of the reasons for this is because it’s easier to hack on things that have already been done. It’s safe. Palihapitiya?says it’s time to go back to the drawing board and go big.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/d5t-070Vbmk/

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When He Talks Abortion President Obama Pretends to Be a Libertarian (Atlantic Politics Channel)

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Cicadas get a jump on cleaning

Apr. 29, 2013 ? As cicadas on the East Coast begin emerging from their 17-year slumber, a spritz of dew drops is all they need to keep their wings fresh and clean.

Researchers at Duke University and James Cook University in Australia have shown that dew drops can be beneficial not only in cleaning cicada wings, but other water-repellant surfaces. On these so-called superhydrophobic surfaces, dew drops "jump" by themselves, carrying away the contaminants.

A team led by Chuan-Hua Chen, Alfred M. Hunt Faculty Scholar and assistant professor of mechanical engineering and materials science at Duke's Pratt School of Engineering, demonstrated that tiny particles such as pollen can be removed from cicada wings by a phenomenon he has described as jumping droplets. When growing dew drops coalesce together, the merged drop jumps off water-repellant surfaces. The jumping motion is automatic, powered entirely by the surface energy initially stored in the dew drops.

Using a specially designed high-speed video imaging system, the engineers captured the jumping water droplets on a cicada wing, as well as the associated self-cleaning processes.

"The ability of water-repellant surfaces to self-clean has conventionally been attributed to rain droplets picking up dirt particles," Chen said. "For this conventional wisdom to work, rainfall must be present and the orientation has to be favorable for gravity to effectively remove the rain droplets. These limits severely restrict the practical use of self-cleaning superhydrophobic surfaces.

"We have found, however, that the self-propelled jumping motion of the dew drops is very effective in dislodging contaminating particles, regardless of the orientation," Chen said. "These new insights can help guide the development of man-made surfaces that are not dependent on any external forces and are therefore truly self-cleaning."

The results of Chen's research were published online in the journal Proceedings of the National Academy of Sciences. Katrina Wisdom, a Duke undergraduate and a Pratt Research Fellow in Chen's lab at the time of this study, was the paper's co-first author.

Cicadas are flying insects typically a few inches long. The most common species emerge on a yearly basis, with some U.S. species arriving every 17 years. When they dig out from underground as nymphs they molt, shedding their skin to reveal their wings. They then take flight as full-grown cicadas, spending the next four to six weeks flying around searching for and attracting mates with their distinctive song. After depositing eggs in the ground, the cicadas die and the cycle begins anew.

Cicada wings are characterized by rows and rows of tiny bumps or domes of various heights and widths. They look like upside-down ice cream cones, with the conical tips projecting upward. When a water droplet lands on this type of surface, it only touches the points of the bumps, creating pockets of air underneath the droplet. The droplet is kept aloft by this cushion of air, much like the puck in an air-hockey game.

"Most cicadas are unable to clean their own wings because of their short appendages," said Gregory Watson of James Cook University. "Furthermore, these insects commonly live in areas where there is little rain over an extended period of time. However, the areas are humid, which provides the tiny dew droplets needed to 'jump clean' their wings."

"These findings point to an alternative route to achieve self-cleaning which is fundamentally different from the conventional wisdom involving rolling or colliding droplets on a superhydrophobic surface," Chen said. "Self-cleaning surfaces using the jumping-drop mechanism can work at any orientation, which is a huge advantage for applications with unfavorable orientations with respect to gravity, such as mobile electronics and building roofs."

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The above story is reprinted from materials provided by Duke University, via EurekAlert!, a service of AAAS.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Katrina M. Wisdom, Jolanta A. Watson, Xiaopeng Qu, Fangjie Liu, Gregory S. Watson, and Chuan-Hua Chen. Self-cleaning of superhydrophobic surfaces by self-propelled jumping condensate. PNAS, April 29, 2013 DOI: 10.1073/pnas.1210770110

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/38HgLVt4phs/130429154101.htm

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Monday, April 29, 2013

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Lauryn Hill Signs Record Deal, Denies Squatting Reports

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Lawmakers: Syria chemical weapons could menace U.S..

WASHINGTON (AP) ? Syria's stockpile of chemical weapons could be a greater threat after that nation's president leaves power and could end up targeting Americans at home, lawmakers warned Sunday as they considered a U.S. response that stops short of sending military forces there.

U.S. officials last week declared that the Syrian government probably had used chemical weapons twice in March, newly provocative acts in the 2-year civil war that has killed more than 70,000 people and displaced hundreds of thousands more. The U.S. assessment followed similar conclusions from Britain, France, Israel and Qatar ? key allies eager for a more aggressive response to the Syrian conflict.

President Barack Obama has said Syria's likely action ? or the transfer of President Bashar Assad's stockpiles to terrorists ? would cross a "red line" that would compel the United States to act.

Lawmakers sought to remind viewers on Sunday news programs of Obama's declaration while discouraging a U.S. foothold on the ground there.

"The president has laid down the line, and it can't be a dotted line. It can't be anything other than a red line," said House Intelligence Committee Chairman Rep. Mike Rogers, R-Mich. "And more than just Syria, Iran is paying attention to this. North Korea is paying attention to this."

Added Sen. Saxby Chambliss, R-Ga.: "For America to sit on the sidelines and do nothing is a huge mistake."

Obama has insisted that any use of chemical weapons would change his thinking about the United States' role in Syria but said he didn't have enough information to order aggressive action.

"For the Syrian government to utilize chemical weapons on its people crosses a line that will change my calculus and how the United States approaches these issues," Obama said Friday.

But Rep. Jan Schakowsky, an Illinois Democrat, said Sunday the United States needs to consider those weapons. She said that when Assad leaves power, his opponents could have access to those weapons or they could fall into the hands of U.S. enemies.

"The day after Assad is the day that these chemical weapons could be at risk ... (and) we could be in bigger, even bigger trouble," she said.

Both sides of the civil war already accuse each other of using the chemical weapons.

The deadliest such alleged attack was in the Khan al-Assal village in the Aleppo province in March. The Syrian government called for the United Nations to investigate alleged chemical weapons use by rebels in the attack that killed 31 people.

Syria, however, has not allowed a team of experts into the country because it wants the investigation limited to the single Khan al-Assal incident, while U.N. Secretary-General Ban Ki-moon has urged "immediate and unfettered access" for an expanded investigation.

One of Obama's chief antagonists on Syria, Sen. John McCain, R- Ariz., said the United States should go to Syria as part of an international force to safeguard the chemical weapons. But McCain added that he is not advocating sending ground troops to the nation.

"The worst thing the United States could do right now is put boots on the ground on Syria. That would turn the people against us," McCain said.

His friend, Sen. Lindsey Graham, R-S.C., also said the United States could safeguard the weapons without a ground force. But he cautioned the weapons must be protected for fear that Americans could be targeted. Raising the specter of the lethal bomb at the finish line of the Boston Marathon, Graham said the next attack on U.S. soil could employ weapons that were once part of Assad's arsenal.

"Chemical weapons ? enough to kill millions of people ? are going to be compromised and fall into the wrong hands, and the next bomb that goes off in America may not have nails and glass in it," he said.

Rogers and Schakowsky spoke to ABC's "This Week." Chambliss and Graham were interviewed on CBS's "Face the Nation." McCain appeared on NBC's "Meet the Press."

___

Follow Philip Elliott on Twitter: https://twitter.com/Philip_Elliott

Source: http://news.yahoo.com/lawmakers-syria-chemical-weapons-could-menace-us-154735931.html

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Sunday, April 28, 2013

Zames' star ascends in latest JPMorgan shakeup

By Richard Leong

NEW YORK (Reuters) - JPMorgan Chase & Co said on Sunday Matt Zames will fully assume the role of chief operating officer as his former partner in the job leaves, which was part of the latest management shakeup at the biggest U.S. bank.

Zames, who has been seen as a strong candidate to succeed the bank's Chief Executive and Chairman Jamie Dimon, had been co-chief operating officer with Frank Bisignano, the New York-based bank said in a statement.

In the latest move, Zames now has sole responsibility in another critical senior post at JPMorgan.

As well as being a co-chief operating officer, the 42-year old Zames has been its chief investment officer since May. The former hedge fund trader replaced Ina Drew - a three-decade veteran at the bank - who retired following a costly trading debacle.

Zames "is a proven business executive, who has performed exceptionally well since coming into his corporate role in May of last year. He'll continue to have an important impact on our company," Dimon said in a statement.

As earlier reported by the Wall Street Journal, Bisignano will leave JPMorgan's senior ranks to head payroll processor First Data Corp . Bisignano played a major role in the bank's effort to get back on track after suffering a loss of more than $6 billion due to soured, risky bets.

Bisignano was the ninth executive to leave the bank's operating committee in the past 1-1/2 years, according to the paper.

First Data announced Bisignano's appointment as its chief executive officer effective Monday, after the Journal report.

Of Bisignano, Dimon said, "I have worked with Frank for many years, and he has proven himself time and again as a highly talented executive willing to take on difficult challenges and get the job done."

Other changes in the bank's latest management shuffle involved the co-chief administrative officers of corporate and investment banking, which have been held by Paul Compton and Louis Rauchenberger.

Compton will become the chief administrative officer of JPMorgan Chase and report to Zames, while Rauchenberger will become the sole chief administrative officer of corporate and investment banking, the bank said.

(Additional reporting by David Henry; Editing by Marguerita Choy)

Source: http://news.yahoo.com/jpmorgan-names-matt-zames-sole-chief-operating-officer-220342732.html

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FAA: Air traffic system soon at full operation

A United Airlines jet departs in view of the air traffic control tower at Seattle-Tacoma International Airport Tuesday, April 23, 2013, in Seattle. A day after flight delays plagued much of the U.S., air travel is smoother Tuesday. But the government is warning passengers that the situation can change by the hour as it runs the nation's air traffic control system with a smaller staff. Airlines and members of Congress urged the Federal Aviation Administration to find other ways to make mandatory budget cuts besides furloughing controllers. While delays haven't been terrible yet, the airlines are worried about the long-term impact late flights will have on their budgets and on fliers. (AP Photo/Elaine Thompson)

A United Airlines jet departs in view of the air traffic control tower at Seattle-Tacoma International Airport Tuesday, April 23, 2013, in Seattle. A day after flight delays plagued much of the U.S., air travel is smoother Tuesday. But the government is warning passengers that the situation can change by the hour as it runs the nation's air traffic control system with a smaller staff. Airlines and members of Congress urged the Federal Aviation Administration to find other ways to make mandatory budget cuts besides furloughing controllers. While delays haven't been terrible yet, the airlines are worried about the long-term impact late flights will have on their budgets and on fliers. (AP Photo/Elaine Thompson)

The control tower stands in the background as a passenger lays on the pavement outside the international terminal at Hartsfield-Jackson airport, Friday, April 26, 2013, in Atlanta. Congress easily approved legislation Friday ending furloughs of air traffic controllers that have delayed hundreds of flights daily, infuriating travelers and causing political headaches for lawmakers.(AP Photo/David Goldman)

A passenger sits at right in the international terminal at Hartsfield-Jackson airport, Friday, April 26, 2013, in Atlanta. Congress easily approved legislation Friday ending furloughs of air traffic controllers that have delayed hundreds of flights daily, infuriating travelers and causing political headaches for lawmakers.(AP Photo/David Goldman)

The control tower stands in the background as a passenger paces while on the phone outside the international terminal at Hartsfield-Jackson airport, Friday, April 26, 2013, in Atlanta. Congress easily approved legislation Friday ending furloughs of air traffic controllers that have delayed hundreds of flights daily, infuriating travelers and causing political headaches for lawmakers.(AP Photo/David Goldman)

(AP) ? The Federal Aviation Administration said that the U.S. air traffic system will resume normal operations by Sunday evening after lawmakers rushed a bill through Congress allowing the agency to withdraw furloughs of air traffic controllers and other workers.

The FAA said Saturday that it has suspended all employee furloughs and that traffic facilities will begin returning to regular staffing levels over the next 24 hours. The furloughs were fallout from the $85 billion in automatic-across-the-board spending cuts this spring. The bill, passed on Friday, allows the FAA to move as much as $253 million within its budget to areas that will allow it to prevent reduced operations and staffing.

The furloughs started to hit air traffic controllers this past week, causing flight delays that left thousands of travelers frustrated and furious. Planes were forced to take off and land less frequently, so as not to overload the remaining controllers on duty.

The FAA had no choice but to cut $637 million as its share of $85 billion in automatic, government-wide spending cuts that must be achieved by the end of the federal budget year on Sept. 30.

Flight delays piled up across the country Sunday and Monday of this week as the FAA kept planes on the ground because there weren't enough controllers to monitor busy air corridors. Cascading delays held up flights at some of nation's busiest airports, including New York, Baltimore and Washington. Delta Air Lines canceled about 90 flights Monday because of worries about delays. Just about every passenger was rebooked on another Delta flight within a couple of hours. Air travel was smoother Tuesday.

Things could have been worse. A lot of people who had planned to fly this week changed their plans when they heard that air travel might be difficult, according to longtime aviation consultant Daniel Kasper of Compass Lexicon.

"Essentially what happened from an airline's perspective is that people who were going to travel didn't travel," he said. But canceled flights likely led to lost revenue for airlines. Even if they didn't have to incur some of costs of fueling up planes and getting them off the ground, crews that were already scheduled to work still had to paid.

"One week isn't going to kill them, but had it gone on much longer, it would have been a significant hit on their revenues and profits," Kasper said.

It's also a toll on travelers. At New York's LaGuardia airport on Friday, traveler Roger Bentley said "getting on a flight and being delayed really puts people on the spot. It puts people on the edge and makes people edgy and that's not something I want."

The challenges this week probably cost airlines less than disruptions from a typical winter storm, said John F. Thomas, an aviation consultant with L.E.K. Consulting.

"I think the fact that it got resolved this week has minimized the cost as it was more the inconvenience factor," Thomas said.

The budget cuts at the FAA were required under a law enacted two years ago as the government was approaching its debt limit. Democrats were in favor of raising the debt limit without strings attached so as not to provoke an economic crisis, but Republicans insisted on substantial cuts in exchange. The compromise was to require that every government "program, project and activity" ? with some exceptions, like Medicare ? be cut equally.

The FAA had reduced the work schedules of nearly all of its 47,000 employees by one day every two weeks, including 15,000 air traffic controllers, as well as thousands of air traffic supervisors, managers and technicians who keep airport towers and radar facility equipment working. That amounted to a 10 percent cut in hours and pay.

Republicans accused the Obama administration of forcing the furloughs to raise public pressure on Congress to roll back the budget cuts. Critics of the FAA insist the agency could have reduce its budget in other ways that would not have inconvenience travelers including diverting money from other accounts, such as those devoted to research, commercial space transportation and modernization of the air traffic control computers.

President Barack Obama chided lawmakers Saturday over their fix for widespread flight delays, deeming it an irresponsible way to govern, dubbing it a "Band-Aid" and a quick fix, rather than a lasting solution to the spending cuts known as the sequester.

"Republicans claimed victory when the sequester first took effect, and now they've decided it was a bad idea all along," Obama said, singling out the GOP even though the bill passed with overwhelming Democratic support in both chambers.

He scolded lawmakers for helping the Federal Aviation Administration while doing nothing to replace other cuts that he said harm federal employees, unemployed workers and preschoolers in Head Start.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/89ae8247abe8493fae24405546e9a1aa/Article_2013-04-27-FAA-Furloughs/id-8a9330e37a0a400392cdb0d139da10b4

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Majority of SKoreans in NKorean factory to return

SEOUL, South Korea (AP) ? Roughly three quarters of the 175 South Koreans still at a shuttered factory park in North Korea are scheduled to return Saturday after Seoul decided to withdraw them over Pyongyang's rejection of its demand for talks on the last symbol of inter-Korean cooperation, the government said.

The industrial complex in the border city of Kaesong bustled with more than 53,000 North Korean workers and 800 South Korean managers before Pyongyang pulled its entire work force out and banned South Koreans from entering it earlier this month.

The park, the biggest employer in Kaesong with a population of 200,000 according to North Korean officials, is the most significant casualty in the recent deterioration of ties between the Koreas. Operating with South Korean know-how and technology and with cheap labor from North Korea since 2004, it has weathered past cycles of hostility between the rivals, including two attacks blamed on North Korea in 2010 that killed 50 South Koreans.

On Thursday, Seoul issued a Friday deadline for North Korea to respond to its call for talks because it was worried about its workers not having access to food and medicine. North Korea hasn't allowed South Korea to send supplies to its managers in Kaesong since the ban.

Just hours after Pyongyang dismissed Seoul's demand for talks as "deceptive," Ryoo Kihl-jae, South Korea's top official on relations with North Korea, said Friday in a televised statement his government decided to pull all the remaining South Koreans in Kaesong.

"We've made the inevitable decision to bring back all the remaining personnel in Kaesong for the protection of our people as their difficulties continue to grow," Unification Minister Ryoo said, urging the North to protect the property of South Korean companies at Kaesong and ensure the safe return of South Koreans home.

His ministry said later Friday in a text message that 127 of the remaining South Koreans in Kaesong would return Saturday. The remaining workers are expected to leave Kaesong on Sunday.

In Friday's statement, a spokesman for the North's powerful National Defense Commission promised the workers' safety if they withdrew, while lashing out at Seoul over ongoing U.S.-South Korean military drills and the spreading of anti-North Korea leaflets at the border as proof of Seoul's insincerity.

"If they are truly worried about the lives of South Korean personnel in the (complex), they may withdraw all of them to the south side where there are stockpiles of food and raw materials and sound medical conditions," said the statement carried by official media.

"If the South's puppet group looks away from reality and pursues the worsening of the situation, we will be compelled to first take final and decisive grave measures," it said.

Impoverished North Korea has objected to views in South Korea that the Kaesong park is a source of badly needed hard currency. South Korean companies paid salaries to North Korean workers averaging $127 a month, according to South Korea's government. That is less than one-sixteenth of the average salary of South Korean manufacturer workers.

The complex, conceived following the historic 2000 summit between late North Korean leader Kim Jong Il and late South Korean President Kim Dae-jung, broke ground in 2003. The plan was for South Korean firms to build 500 factories as part of a pledge to help develop North Korea's economy, Pak Chol Su, vice director of the General Bureau for Central Guidance, which manages Kaesong, told the Associated Press in September.

The statements on Kaesong this week follow what had been something of a lull after a weeks-long tirade of warlike North Korean rhetoric that included threats of nuclear war and missile strikes. Tension rose as Seoul responded with its own tough language to Pyongyang's outburst, which was unusually violent, even by the standards of the already hostile relationship between the Koreas.

"This is a war of pride between the Koreas, but they are conducting it while leaving some room for talks," Lee Hochul, a political science professor at Incheon National University in South Korea, said, adding neither side is mentioning a permanent shutdown of the industrial complex.

Meanwhile, North Korea said Saturday it will soon put a detained American on trial for allegedly trying to overthrow the government, further complicating its already tense relations with the United States. Earlier in Washington, Republican and Democratic lawmakers introduced a bill calling for the punishment of companies, banks and governments that engage in illicit dealings with North Korea. Pyongyang has already come under a series of U.N. and U.S. sanctions for its three nuclear tests since 2006, including the latest in February.

In South Korea, regular U.S.-South Korean military drills, which Pyongyang complained bitterly about, are set to end Tuesday.

"Even at this moment, South Korea is ramping up the intensity of coastal landing drills with the United States in the east, driving the already tense situation to a point of explosion," North Korea said in its statement, complaining about alleged South Korean military plans in the event the North held the Kaesong managers hostage.

__

AP writer Youkyung Lee contributed to this report.

Source: http://news.yahoo.com/majority-skoreans-nkorean-factory-return-035959799.html

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Algerian president in France for medical tests after minor stroke

By Lamine Chikhi

ALGIERS (Reuters) - Algerian President Abdelaziz Bouteflika has been transferred to France for further medical tests after suffering a minor stroke on Saturday, Algeria's official news agency said.

The APS agency said late on Saturday that Bouteflika, 76, was in Paris at the recommendation of his doctors.

He was hospitalized after a minor stroke, according to an earlier state press agency report that quoted the prime minister as saying his condition was "not serious."

The health of Bouteflika is a central factor in the stability of the oil-exporting country of 37 million people that is emerging from a long conflict against Islamist insurgents.

APS said Bouteflika had an "ischemic transitory attack," or mini-stroke, at 12:30 p.m. (1130 GMT) on Saturday.

"A few hours ago, the president felt unwell and he has been hospitalized but his condition is not serious at all," Prime Minister Abdelmalek Sellal was quoted as saying.

Elected in 1999, Bouteflika is a member of a generation of leaders who have ruled Algeria since winning independence from France in a 1954-62 war.

They also defeated Islamist insurgents in the 1990s and saw off the challenge of Arab Spring protests two years ago, with Bouteflika's government defusing unrest through pay rises and free loans for young people.

Bouteflika has served three terms as president and is thought unlikely to seek a fourth at an election due in 2014. Leaked U.S. diplomatic cables said in 2011 that Bouteflika had been suffering from cancer, but that it was in remission.

It is unknown who might take over Africa's biggest country by land area, an OPEC oil producer that supplies a fifth of Europe's gas imports and cooperates with the West in combating Islamist militancy.

More than 70 percent of Algerians are under 30. About 21 percent of young people are unemployed, the International Monetary Fund says, and many are impatient with the gerontocracy ruling a country where jobs, wages and housing are urgent concerns.

(Reporting by Lamine Chikhi; Editing by Peter Cooney)

Source: http://news.yahoo.com/algerian-president-france-medical-tests-034747376.html

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Saturday, April 27, 2013

Watch Live: Obama to address Planned Parenthood

President Barack Obama is delivering remarks Friday at Planned Parenthood's annual national conference in Washington, D.C. The organization is a target of the chairman of the Republican Party, anti-abortion supporters and other pro-lifers.

Obama originally had planned to give the keynote speech at the organization's "Time for Care" gala Thursday night, an appearance he canceled to spend more time meeting those affected in West, Texas by last week's deadly explosion at a fertilizer plant.

The group, which is the largest source of reproductive health care in the nation, was recently targeted by Republican National Committee Chairman Reince Priebus, who wrote a scathing op-ed for conservative news site Red State accusing Planned Parenthood and Democrats of supporting infanticide. Priebus wrote that testimony from a Planned Parenthood lobbyist in Florida indicated the organization supports the killing of infants.

Planned Parenthood later released a statement on the lobbyist's testimony, saying, "As a trusted health care provider, Planned Parenthood strongly condemns any physician who does not follow the law or endangers a woman's or child's health. And while HB 1129 addresses a situation that is extremely unlikely and highly unusual, if the scenario presented by the legislation should happen, of course a Planned Parenthood doctor would provide appropriate care to both the woman and the infant."

The president's appearance at the gala comes at a time when infanticide has been in the national news due to the murder trial of former abortion doctor Kermit Gosnell. Gosnell, of Philadelphia, is charged with murdering one woman in 2009 during an abortion procedure and killing four babies. He and his clinic officials allegedly performed countless illegal late-term abortions.

Source: http://news.yahoo.com/blogs/ticket/obama-address-planned-parenthood-145150867.html

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Senate bill ends air traffic controller furloughs

WASHINGTON (AP) ? With flight delays mounting, the Senate approved hurry-up legislation Thursday night to end air traffic controller furloughs blamed for inconveniencing large numbers of travelers.

A House vote on the measure was expected as early as Friday, with lawmakers eager to embark on a weeklong vacation.

Under the legislation, the Federal Aviation Administration would gain authority to transfer up to $253 million from accounts that are flush into other programs, to "prevent reduced operations and staffing" through the Sept. 30 end of the fiscal year.

In addition to restoring full staffing by controllers, Senate officials said the available funds should be ample enough to prevent the closure of small airport towers around the country. The FAA has said it will shut the facilities as it makes its share of $85 billion in across-the-board spending cuts that took effect last month at numerous government agencies.

The Senate acted as the FAA said there had been at least 863 flights delayed on Wednesday "attributable to staffing reductions resulting from the furlough."

There was no immediate reaction at the White House, although administration officials participated in the negotiations that led to the deal and evidently registered no objections.

Sen. Susan Collins, R-Maine, a key participant in the talks, said the legislation would "prevent what otherwise would have been intolerable delays in the air travel system, inconveniencing travelers and hurting the economy."

Senate approval followed several hours of pressure-filled, closed-door negotiations, and came after most senators had departed the Capitol on the assumption that the talks had fallen short.

Officials said a small group of senators insisted on a last-ditch effort at an agreement before Congress adjourned for a vacation that could have become politically problematic if the flight delays continued.

"I want to do it right now. There are other senators you'd have to ask what the hang-up is," Sen. Mark Udall, D-Colo., said at a point when it appeared no compromise would emerge.

For the White House and Senate Democrats, the discussions on legislation relating to one relatively small slice of the $85 billion in spending cuts marked a shift in position in a long-running struggle with Republicans over budget issues. Similarly, the turn of events marked at least modest vindication of a decision by the House GOP last winter to finesse some budget struggles in order to focus public attention on the across-the-board cuts in hopes they would gain leverage over President Barack Obama.

The Professional Aviation Safety Specialists, a union that represents FAA employees, reported a number of incidents it said were due to the furloughs.

In one case, it said several flights headed for Long Island MacArthur Airport in New York were diverted on Wednesday when a piece of equipment failed. "While the policy for this equipment is immediate restoral, due to sequestration and furloughs it was changed to next-day restoral," the union said.

It added it was "learning of additional impacts nationwide, including open watches, increased restoration times, delays resulting from insufficient funding for parts and equipment, modernization delays, missed or deferred preventative maintenance, and reduced redundancy."

The airlines, too, were pressing Congress to restore the FAA to full staffing.

In an interview Wednesday, Robert Isom, chief operations officer of US Airways, likened the furloughs to a "wildcat regulatory action."

He added, "In the airline business, you try to eliminate uncertainty. Some factors you can't control, like weather. It (the FAA issue) is worse than the weather."

In a shift, first the White House and then senior Democratic lawmakers have signaled a willingness in the past two days to support legislation that alleviates the budget crunch at the FAA, while leaving the balance of the $85 billion to remain in effect.

Obama favors a comprehensive agreement that replaces the entire $85 billion in across-the-board cuts as part of a broader deficit-reduction deal that includes higher taxes and spending cuts.

One Senate Democrat, Sen. Patty Murray of Washington, noted that without the type of comprehensive deficit deal that Obama favors, a bill that eases the spending crunch at the FAA would inevitably be followed by other single-issue measures. She listed funding at the National Institutes of Health as one example, and cuts that cause furloughs of civilians who work at military hospitals as a second.

At the same time, Democratic aides said resolve had crumbled under the weight of widespread delays for the traveling public and pressure from the airlines.

Sen. John Thune, R-S.D., involved in the discussions, said the issue was big enough so "most people want to find a solution as long as it doesn't spend any more money."

Officials estimate it would cost slightly more than $200 million to restore air traffic controllers to full staffing, and another $50 million to keep open smaller air traffic towers around the country that the FAA has proposed closing.

Across the Capitol, the chairman of the House Transportation Committee, Rep. Bill Shuster, R-Pa., said, "We're willing to look at what the Senate's going to propose."

He said he believes the FAA has the authority it needs under existing law to shift funds and end the furloughs of air traffic controllers, and any legislation should be "very, very limited" and direct the agency to use the flexibility it already has.

In a reflection of the political undercurrents, another House Republican, Rep. James Lankford of Oklahoma, said FAA employees "are being used as pawns by this (Obama) administration to be able to implement the maximum amount of pain on the American people when it does not have to be this way."

The White House and congressional Democrats vociferously dispute such claims.

___

Associated Press writers Joan Lowy, Henry C. Jackson and Alan Fram in Washington and David Koenig in Dallas contributed to this report.

Source: http://news.yahoo.com/senate-passes-bill-ease-faa-furloughs-005441034--politics.html

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Times Square could have been next

By Mark Hosenball and Edith Honan

WASHINGTON/NEW YORK (Reuters) - The two men accused of carrying out last week's bombing of the Boston Marathon planned a second bomb attack on New York's Times Square, New York City Mayor Michael Bloomberg said on Thursday.

The brothers Tamerlan and Dzhokhar Tsarnaev's original intent when they hijacked a car and its driver in Boston last Thursday night was to drive to New York with bombs and detonate them in Times Square, but their plan fell apart when they became embroiled in a shootout with police.

"Last night we were informed by the FBI that the surviving attacker revealed that New York City was next on their list of targets," Bloomberg said at New York City Hall. "He and his older brother intended to drive to New York and detonate those explosives in Times Square."

One law enforcement source said earlier this was based on what surviving suspect Dzhokhar Tsarnaev, 19, told investigators in a Boston hospital. He is recovering from gunshot wounds in Beth Israel Deaconess Medical Center, where he was formally charged on Monday with crimes that could carry the death penalty.

Tsarnaev's attorney, Miriam Conrad, declined to comment on Thursday on whether her wounded client was still talking with investigators.

Meanwhile, the father of the brothers said he planned to travel to the United States from Russia to bury his older son, Tamerlan Tsarnaev, who was killed in a police shootout.

"I am going to the United States. I want to say that I am going there to see my son, to bury the older one. I don't have any bad intentions. I don't plan to blow up anything," Anzor Tsarnaev told reporters in Makhachkala, the capital of Russia's Dagestan region.

The bombing killed three people and injured 264 others.

Near Washington, the focus remained on intelligence leading up to the Boston Marathon bombing. Tamerlan Tsarnaev had been on a federal database of potential terrorism suspects and that the United States had twice been warned about him by Russian authorities. Congressional testimony earlier in the week had focused on whether the Federal Bureau of Investigation made mistakes in tracking the ethnic Chechen.

"We're in the post-event witch hunt phase, which is predictable," said James Clapper, Director of National Intelligence, at a conference in Crystal City, Virginia. "I think it would be a real good idea to not hyperventilate for a while now until we actually get all the facts."

ARREST WARRANT FOR WIFE

Anzor's former wife, Zubeidat Tsarnaeva, angrily denied that her son had any role in the attack and criticized police for shooting her 26-year-old son while apprehending him.

Tsarnaeva does not plan to accompany her former husband on his trip. One factor that may have influenced Zubeidat Tsarnaeva's decision not to travel with her former husband is an outstanding arrest warrant in Massachusetts.

A warrant for Zubeidat Tsarnaeva's arrest was issued on October 25 after she failed to make a court appearance on shoplifting-related charges, according to Natick District Court Clerk Brian Kearney.

Tsarnaeva was arrested in June at a Lord & Taylor department store on suspicion of shoplifting $1,624 worth of women's dresses, according to the Natick Police Department.

Tamerlan Tsarnaev's widow, 24-year-old Katherine Russell, also has a criminal record. In 2007, shortly after graduating from high school, she was arrested for stealing five items valued at $67.00 from an Old Navy in Warwick, Rhode Island.

Russell's lawyer, Amato DeLuca, said earlier this week that his client knew nothing about the Tsarnaev brothers' activities.

YOUNGER BROTHER IN HOSPITAL

The U.S. Marshals Service, which is responsible for holding and transporting suspects outside of prison, declined to comment on whether or when Dzhokhar Tsarnaev might be moved from the hospital.

"It is our policy not to comment on prisoner movements until they have been completed," said spokeswoman Lynzey Donahue. "We do ensure that prisoners in our custody receive medical services in a secure environment."

This combination of undated file photos provided to the Associated Press shows, from left, Martin Richard, 8, Krystle Campbell, 29, and Lingzi Lu, a Boston University graduate student. Richard, ... more? This combination of undated file photos provided to the Associated Press shows, from left, Martin Richard, 8, Krystle Campbell, 29, and Lingzi Lu, a Boston University graduate student. Richard, Campbell and Lu were killed in the explosions at the finish line of the Boston Marathon Monday, April 15, 2013, in Boston. (AP Photo/File) less? ?

(Additional reporting by Tim McLaughlin, Svea Herbst-Bayliss, Aaron Pressman, Ross Kerber in Boston, Deborah Charles in Crystal City, Virginia and Alissa de Carbonnel in Makhachkala, Russia; Writing by Scot Malone; Editing by Paul Thomasch and Grant McCool)

Source: http://news.yahoo.com/u-had-more-tips-boston-suspect-congress-asks-000005101.html

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Friday, April 26, 2013

LG Optimus G Pro for AT&T detailed: Snapdragon 600, LTE and a Full HD IPS display

LG Optimus G Pro for AT&T detailed

There's not much surprise left to LG's Optimus G Pro reveal set for next Wednesday in New York. We've already seen the device slip through the FCC and recently had a previewed glimpse of the potential hardware. But thanks to a trusted source, we now have more insight into the the upcoming AT&T variant's specifications. Based on the official doc we had a look at, LG's managed to keep this US model mostly in line with its global sibling, porting over the same 5.5-inch form factor, 3,140mAh battery, 1.7GHz Snapdragon 600 processor paired with 2GB RAM, a healthy 32GB of internal storage (expandable via microSDXC to 64GB), 2.1-megapixel front-facing / 13-megapixel rear cameras, NFC and WiFi a/b/g/n. What has changed is the actual screen technology used: the AT&T G Pro employs a Full HD IPS panel as opposed to the True HD-IPS+ in the original. Additionally, and unsurprisingly, the device's radios have been tweaked, with the AT&T G Pro now supporting the carrier's flavor of LTE (700/1700 MHz), HSPA+21 (850/1900/2100 MHz) and quadband GSM (850/900/1800/1900 MHz).

Though it would be nice to see LG bump this up to a more current version of Android -- namely, 4.2.2 -- the AT&T model will likely ship with the more dated 4.1.2 Jelly Bean. Continuing further down the software track, carrier bloat looks to be at a minimum as only two automobile-specific apps are mentioned in the document: AT&T DriveMode and Navigator. Aside from that, LG's own software suite makes the transition, bringing along QSlide 2.0 (a multiwindow feature), Dual Recording (for the picture-in-picture effect), Tag+ for NFC, VuTalk (a note sharing app), QuickMemo, Notebook and the ability to preset the Home Key's LED. That enough of a preview for you? Stay tuned for formal unveiling next week.

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Source: http://www.engadget.com/2013/04/25/lg-optimus-g-pro-att-detailed/?utm_medium=feed&utm_source=Feed_Classic&utm_campaign=Engadget

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Thursday, April 25, 2013

Wall Street flat after durable goods; Boeing supports

By Chuck Mikolajczak

NEW YORK (Reuters) - Stocks were little changed on Wednesday, after a disappointing durable goods report tempered recent enthusiasm over a relatively robust earnings season.

Economic data showed orders for long-lasting U.S. manufactured goods slumped 5.7 percent in March, the biggest drop in seven months, and far below expectations calling for a decline of 2.8 percent.

"It's basically just confirming what we've seen in the economic numbers so far this month, that basically, things weren't quite as good as we thought at the end of the first quarter," said Peter Jankovskis, co-chief investment officer at OakBrook Investments LLC in Lisle, Illinois.

"I don't expect there to be a massive selloff today but (the data) says the economy is having to work pretty hard to make progress."

But support for the Dow and S&P was provided Boeing Co , which jumped 4.2 percent to $91.92 as the top boost for each index after the aerospace giant reported first-quarter earnings.

Also offsetting results from Boeing were declines in Procter and Gamble Co , which lost 4.2 percent to $78.47 after reporting third-quarter results and issuing a profit outlook for the current quarter that fell short of Wall Street's expectations. The S&P consumer staples index <.splrcs> shed 0.5 percent.

Corning Inc gained 4 percent to $13.66 after the specialty glass maker's first-quarter profit beat analysts' estimates, helped by strong demand for its scratch-resistant Gorilla Glass used in smartphones and tablets.

According to Thomson Reuters data, 45 companies in the S&P 500 <.spx> are scheduled to report results Wednesday, including Dow component Aflac Inc , Qualcomm Inc and Citrix Systems Inc after the close.

Apple Inc shares lost 0.8 percent to $402.95 after the iPad maker bowed Tuesday to investors' demands to share more of its $145 billion cash pile, while posting its first quarterly profit decline in more than a decade.

The Dow Jones industrial average <.dji> dropped 2.30 points, or 0.02 percent, to 14,717.16. The Standard & Poor's 500 Index <.spx> gained 1.00 points, or 0.06 percent, to 1,579.78. The Nasdaq Composite Index <.ixic> slipped 1.57 points, or 0.05 percent, to 3,267.76.

Earnings season has been largely positive, with more than 68.9 percent of S&P 500 companies that have reported results so far beating expectations, according to Thomson Reuters data through Tuesday morning. Since 1994, 63 percent have surpassed estimates on average, while the beat rate is 67 percent for the past four quarters.

Analysts see earnings growth of 2.3 percent this quarter, up from expectations of 1.5 percent at the start of the month.

In merger news, OPKO Health Inc will buy Israel-based biopharmaceutical company Prolor Biotech Inc in an all-stock deal valued at $480 million to expand its portfolio of specialty drugs. OPKO shares dipped 1.6 percent to $6.95 while Prolor jumped 8.2 percent to $6.31.

(Editing by Bernadette Baum and Nick Zieminski)

Source: http://news.yahoo.com/wall-street-jumps-recovery-twitter-led-drop-012743441--sector.html

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Thalmic Labs Shows Off MYO Development Process, Demos The Armband Controlling Tetris And A Sphero

myo-armbandWaterloo-based Thalmic Labs is working on getting the MYO armband into the waiting arms of pre-order customers, which now number well above the 25,000 announced in March, Thalmic told me, making up over $4 million in total sales to date. MYO is a unique control device worn around the forearm, which measures muscle movement and electrical impulses and translates those into a control mechanism for various devies over Bluetooth.

Source: http://feedproxy.google.com/~r/Techcrunch/~3/sqYVLT7weF4/

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'DWTS' destiny: Ortiz knew he was out

By Michael Maloney, TODAY contributor

Craig Sjodin / ABC

Victor Ortiz and his "Dancing With the Stars" pro partner Lindsay Arnold.

Former welterweight boxing champ Victor Ortiz knew he?d danced his last routine on "Dancing With the Stars" after performing a disappointing rumba with pro partner Lindsay Arnold on Monday night.

?My performance didn?t come through as it had in rehearsal,? Ortiz candidly shared with reporters after being eliminated Tuesday. "I accepted on Monday that we?d be eliminated.?

Ortiz said he doesn?t regret his "Dancing" run -- which included the video package that showed him opening up about a failed relationship. ?I don?t take any of this experience back,? he said. ?I loved every minute of it. I?m still winning because I made some great friends, and (met) a great gal, too. I?ll always be a fan of Miss Lindsay.?

Arnold, like other ejected pros, will return for results show performances. She also hopes to return next season with another star.

?I grew so much this season,? she said.

Meanwhile, Ortiz already has plans to return to the ring. ?I made a call a few weeks back because I had a feeling I?d be eliminated soon,? he revealed. ?I notified my management to get me a fight. I?ll be fighting again in the next couple of months for a world championship.?

Arnold and Ortiz will take to the dance floor one more time when all the ejected couples return for the season finale in May. While some eliminated stars don?t relish that thought, it?s actually fine with Ortiz. ?

?That?ll work to my advantage,? he said. ?I?ll have a break to do my thing for a while and then I?ll come back and say, ?Let?s charge at this!??

Related content:

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Source: http://theclicker.today.com/_news/2013/04/24/17895334-dancing-with-stars-destiny-victor-ortiz-knew-he-would-be-eliminated?lite

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The crystal's corners: New nanowire structure has potential to increase semiconductor applications

Apr. 23, 2013 ? There's big news in the world of tiny things. New research led by University of Cincinnati physics professors Howard Jackson and Leigh Smith could contribute to better ways of harnessing solar energy, more effective air quality sensors or even stronger security measures against biological weapons such as anthrax. And it all starts with something that's 1,000 times thinner than the typical human hair -- a semiconductor nanowire.

UC's Jackson, Smith, recently graduated PhD student Melodie Fickenscher and physics doctoral student Teng Shi, as well as several colleagues from across the US and around the world recently have published the research paper "Optical, Structural and Numerical Investigations of GaAs/AlGaAs Core-Multishell Nanowire Quantum Well Tubes" in Nano Letters, a journal on nanoscience and nanotechnology published by the American Chemical Society. In the paper, the team reports that they've discovered a new structure in a semiconductor nanowire with unique properties.

"This kind of structure in the gallium arsenide/aluminum gallium arsenide system had not been achieved before," Jackson says. "It's new in terms of where you find the electrons and holes, and spatially it's a new structure."

EYES ON SIZE AND CORNERING ELECTRONS

These little structures could have a big effect on a variety of technologies. Semiconductors are at the center of modern electronics. Computers, TVs and cellphones have them. They're made from the crystalline form of elements that have scientifically beneficial electrical conductivity properties. Many semiconductors are made of silicon, but in this case they are made of gallium arsenide. And while widespread use of these thin nanowires in new devices might still be around the corner, the key to making that outcome a reality in the coming years is what's in the corner.

By using a thin shell called a quantum well tube and growing it -- to about 4 nanometers thick -- around the nanowire core, the researchers found electrons within the nanowire were distributed in an unusual way in relation to the facets of the hexagonal tube. A close look at the corners of the tube's facets revealed something unexpected -- a high concentration of ground state electrons and holes.

"Having the faceting really matters. It changes the ballgame," Jackson says. "Adjusting the quantum well tube width allows you to control the energy -- which would have been expected -- but in addition we have found that there's a highly localized ground state at the corners which then can give rise to true quantum nanowires."

The nanowires the team uses for its research are grown at the Australian National University in Canberra, Australia -- one partner in this project that extends to disparate parts of the globe.

AFFECTING THE SCIENCE OF SMALL IN A BIG WAY

The team's discovery opens a new door to further study of the fundamental physics of semiconductor nanowires. As for leading to advances in technology such as photovoltaic cells, Jackson says it's too soon to tell because quantum nanowires are just now being explored. But in a world where hundreds of dollars' worth of technology is packed into a 5-by-2.5 inch iPhone, it's not hard to see how small but powerful science comes at a premium.

The team at UC is one of only about a half dozen in the US conducting competitive research in the field. It's a relatively young discipline, too, Jackson says, and one that's moving fast. For such innovative science, he says it's important to have a collaborative effort. The team includes scientists from research centers in the Midwest, the West Coast and all the way Down Under: UC, Miami University of Ohio and Sandia National Laboratories in California here in the US; and Monash University and the Australian National University in Australia.

The team's efforts are another example of how UC not only stands out as a leader in top-notch science, but also in shaping the future of the discipline by providing its students with high-quality educational and research opportunities.

"We're training students in state-of-the-art techniques on state-of-the-art materials doing state-of-the-art physics," Jackson says. "Upon completing their education here, they're positioned to go out and make contributions of their own."

Additional contributors to the paper are Jan Yarrison-Rice of Miami University, Oxford, Ohio; Bryan Wong of Sandia National Laboratories, Livermore, Calif.; Changlin Zheng, Peter Miller and Joanne Etheridge of Monash University, Victoria, Australia; and Qiang Gao, Shriniwas Deshpande, Hark Hoe Tan and Chennupati Jagadish of the Australian National University, Canberra, Australia.

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The above story is reprinted from materials provided by University of Cincinnati.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Melodie Fickenscher, Teng Shi, Howard E. Jackson, Leigh M. Smith, Jan M. Yarrison-Rice, Changlin Zheng, Peter Miller, Joanne Etheridge, Bryan M. Wong, Qiang Gao, Shriniwas Deshpande, Hark Hoe Tan, Chennupati Jagadish. Optical, Structural, and Numerical Investigations of GaAs/AlGaAs Core?Multishell Nanowire Quantum Well Tubes. Nano Letters, 2013; 13 (3): 1016 DOI: 10.1021/nl304182j

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/most_popular/~3/Rw930UopHIw/130423135720.htm

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Minaret of landmark mosque in Syria destroyed

This journalism image provided by Aleppo Media Center AMC which has been authenticated based on its contents and other AP reporting, shows the damaged famed 12th century Umayyad mosque without the minaret, background right corner, which was destroyed by the shelling, in the northern city of Aleppo, Syria, Wednesday April 24, 2013. The minaret of a famed 12th century Sunni mosque in the northern Syrian city of Aleppo was destroyed Wednesday, leaving the once-soaring stone tower a pile of rubble and twisted metal scattered in the tiled courtyard. President Bashar Assad's regime and anti-government activists traded blame for the attack against the Umayyad mosque, which occurred in the heart Aleppo's walled Old City, a UNESCO World Heritage site. It was the second time in just over a week that a historic Sunni mosque in Syria has been seriously damaged. (AP Photo/Aleppo Media Center, AMC)

This journalism image provided by Aleppo Media Center AMC which has been authenticated based on its contents and other AP reporting, shows the damaged famed 12th century Umayyad mosque without the minaret, background right corner, which was destroyed by the shelling, in the northern city of Aleppo, Syria, Wednesday April 24, 2013. The minaret of a famed 12th century Sunni mosque in the northern Syrian city of Aleppo was destroyed Wednesday, leaving the once-soaring stone tower a pile of rubble and twisted metal scattered in the tiled courtyard. President Bashar Assad's regime and anti-government activists traded blame for the attack against the Umayyad mosque, which occurred in the heart Aleppo's walled Old City, a UNESCO World Heritage site. It was the second time in just over a week that a historic Sunni mosque in Syria has been seriously damaged. (AP Photo/Aleppo Media Center, AMC)

COMBO - This combination of two citizen journalist images provided by Aleppo Media Center AMC which has been authenticated based on its contents and other AP reporting, shows at left: the damaged famed 12th century Umayyad mosque without the minaret, background right corner, which was destroyed by the shelling, in the northern city of Aleppo, Syria, Wednesday April 24, 2013; and at right, an undated view of the mosque with is minaret still intact. The minaret of a famed 12th century Sunni mosque in the northern Syrian city of Aleppo was destroyed Wednesday, April; 24, 2013, leaving the once-soaring stone tower a pile of rubble and twisted metal scattered in the tiled courtyard. President Bashar Assad's regime and anti-government activists traded blame for the attack against the Umayyad mosque, which occurred in the heart Aleppo's walled Old City, a UNESCO World Heritage site. It was the second time in just over a week that a historic Sunni mosque in Syria has been seriously damaged. (AP Photo/Aleppo Media Center, AMC)

In this image taken from video obtained from Aleppo Media Center AMC, which has been authenticated based on its contents and other AP reporting, shows the damaged famed 12th century Umayyad mosque, background, which was destroyed by shelling, in the northern city of Aleppo, Syria, Wednesday, April 24, 2013. The minaret of a famed 12th century Sunni mosque in the northern Syrian city of Aleppo was destroyed Wednesday, leaving the once-soaring stone tower a pile of rubble and twisted metal scattered in the tiled courtyard. President Bashar Assad's regime and anti-government activists traded blame for the attack against the Umayyad mosque, which occurred in the heart Aleppo's walled Old City, a UNESCO World Heritage site. It was the second time in just over a week that a historic Sunni mosque in Syria has been seriously damaged. (AP Photo/Aleppo Media Center, AMC)

Map locates Aleppo, Syria, where the minaret of a 12th century mosque was destroyed

This undated citizen journalism image provided by Aleppo Media Center AMC which has been authenticated based on its contents and other AP reporting, shows the minaret of a famed 12th century Umayyad mosque before it was destroyed by the shelling, in the northern city of Aleppo, Syria. The minaret of a famed 12th century Sunni mosque in the northern Syrian city of Aleppo was destroyed Wednesday, April; 24, 2013, leaving the once-soaring stone tower a pile of rubble and twisted metal scattered in the tiled courtyard. President Bashar Assad's regime and anti-government activists traded blame for the attack against the Umayyad mosque, which occurred in the heart Aleppo's walled Old City, a UNESCO World Heritage site. It was the second time in just over a week that a historic Sunni mosque in Syria has been seriously damaged. (AP Photo/Aleppo Media Center, AMC)

(AP) ? The minaret of a landmark 12th century mosque in the northern Syrian city of Aleppo was destroyed Wednesday, leaving the once-soaring stone tower a pile of rubble and twisted metal scattered in the tiled courtyard.

President Bashar Assad's regime and anti-government activists traded blame for the destruction to the Umayyad Mosque, which occurred in the heart Aleppo's walled Old City, a UNESCO World Heritage site.

It was the second time in just over a week that a historic Sunni mosque in Syria has been seriously damaged. Mosques served as a launching pad for anti-government protests in the early days of the country's 2-year-old uprising, and many have been targeted.

Syrian's state news agency SANA said rebels from the al-Qaida-linked Jabhat al-Nusra group blew it up, while Aleppo-based activist Mohammed al-Khatib said a Syrian army tank fired a shell that "totally destroyed" the minaret.

The mosque fell into rebel hands earlier this year after heavy fighting that damaged the historic compound. The area around it, however, remains contested. Syrian troops are about 200 meters (yards) away.

An amateur video posted online by the anti-government Aleppo Media Center activist group showed the mosque's archways, charred from earlier fighting, and a pile of rubble where the minaret used to be.

Standing inside the mosque's courtyard, a man who appears to be a rebel fighter says regime forces recently fired seven shells at the minaret but failed to knock it down. He said that on Wednesday the tank rounds struck their target.

"We were standing here today and suddenly shells started hitting the minaret," the man says. "They (the army) then tried to storm the mosque but we pushed them back."

The video appeared genuine and corresponded to other Associated Press reporting of the events depicted.

The destruction in Aleppo follows a similar incident in the southern city of Daraa, where the minaret of the historic Omari Mosque was destroyed more than a week ago. The Daraa mosque was built during the Islamic conquest of Syria in the days of Caliph Omar ibn al-Khattab in the seventh century.

In that instance as well, the opposition and regime blamed each other for the damage. SANA also accused Jabhat al-Nusra of positioning cameras around the area to record the event in that case.

Syria's civil war, with the use of everything from small arms to artillery and warplanes, poses a grave threat to the country's rich cultural heritage.

Last year, the medieval market in Aleppo, which is located near the Umayyad Mosque, was gutted by fire sparked by fighting last year.

Both rebels and regime forces have turned some of Syria's significant historic sites into bases, including citadels and Turkish bath houses, while thieves have stolen artifacts from museums.

Five of Syria's six World Heritage sites have been damaged in the fighting, according to UNESCO, the U.N.'s cultural agency. Looters have broken into one of the world's best-preserved Crusader castles, Crac des Chevaliers, and ruins in the ancient city of Palmyra have been damaged.

The damage is just part of the wider devastation caused by the country's crisis, which began more than two years ago with largely peaceful protests but morphed into a civil war as the opposition took up arms in the face of a withering government crackdown. The fighting has exacted a huge toll on the country, killing more than 70,000 people, laying waste to cities, towns and villages and forcing more than a million people to flee their homes and seek refuge abroad.

Aleppo, the country's largest city, and Damascus are two of the key fronts in the conflict, which pits the an Assad regime dominated by the president's Alawite sect, an offshoot of Shiite Islam, and a rebel movement drawn primarily from Syria's Sunni Muslim majority.

Aleppo has been carved into rebel- and regime-held zones, while Damascus remains firmly in government hands, although the rebels have established a foothold in the suburbs and hope to use their enclaves there to eventually push into the city itself.

On Wednesday, two mortar rounds slammed into the Damascus suburb of Jaramana, killing at least seven people and wounding dozens, state media and activists said.

The Britain-based Syrian Observatory for Human Rights said the shells hit near a municipality building and a school in Jaramana. The Observatory, which relies on reports from a network of activists on the ground, said 10 people were killed and 30 were wounded in the attacks.

Syrian state-run SANA news agency said seven people were killed in the attack.

The differences in the death tolls could not be immediately reconciled.

Also Wednesday, Syrian church officials said the whereabouts of two bishops kidnapped in northern Syria remain unknown, a day after telling reporters the priests had been released.

Bishop Tony Yazigi of the Damascus-based Greek Orthodox Church said Tuesday that the bishops, both of whom are based in the northern city of Aleppo, had been released. But later on Tuesday, the Syrian Orthodox Patriarchate in the capital said in a statement on its website that it had not received "any official document indicating the (bishops') release."

Gunmen pulled Bishop Boulos Yazigi of the Greek Orthodox Church and Bishop John Ibrahim of the Assyrian Orthodox Church from their car and killed their driver on Monday while they were traveling outside Aleppo. It was not clear who abducted the priests.

But Bishop Yazigi, who is the brother on one of the abductees, said the gunmen are believed to be Chechen fighters from Jabhat al-Nusra group, one of the most powerful of the myriad of rebel factions fighting in Syria. Yazigi declined to say what made it appear that the Nusra Front was involved.

That account corresponded to one provided by the Observatory, which said foreign fighters had abducted the bishops near a checkpoint outside Aleppo. Observatory director Rami Abdul-Rahman said Wednesday that activists in the area where the kidnapping took place say the gunmen were foreign fighters from the Caucuses.

However, the main opposition group, the Syrian National Coalition, condemned the kidnapping and blamed Assad's regime.

In Rome, Pope Francis called for the rapid release of the two bishops. In his appeal Tuesday, the pontiff called the abduction "a dramatic confirmation of the tragic situation in which the Syrian population and its Christian community is living."

There has been a spike in kidnappings in northern Syria, much of which is controlled by the rebels, and around Damascus in recent months. Residents blame criminal groups that have ties to both the regime and the rebels for the abductions of wealthy residents traveling to Syria from neighboring Turkey and Lebanon.

___

Associated Press writers Bassem Mroue and Ryan Lucas contributed to this report.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/cae69a7523db45408eeb2b3a98c0c9c5/Article_2013-04-24-Syria/id-3239e7afcfa14ec28d291ef31bab6527

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Tuesday, April 23, 2013

The crystal's corners: New nanowire structure has potential to increase semiconductor applications

Apr. 23, 2013 ? There's big news in the world of tiny things. New research led by University of Cincinnati physics professors Howard Jackson and Leigh Smith could contribute to better ways of harnessing solar energy, more effective air quality sensors or even stronger security measures against biological weapons such as anthrax. And it all starts with something that's 1,000 times thinner than the typical human hair -- a semiconductor nanowire.

UC's Jackson, Smith, recently graduated PhD student Melodie Fickenscher and physics doctoral student Teng Shi, as well as several colleagues from across the US and around the world recently have published the research paper "Optical, Structural and Numerical Investigations of GaAs/AlGaAs Core-Multishell Nanowire Quantum Well Tubes" in Nano Letters, a journal on nanoscience and nanotechnology published by the American Chemical Society. In the paper, the team reports that they've discovered a new structure in a semiconductor nanowire with unique properties.

"This kind of structure in the gallium arsenide/aluminum gallium arsenide system had not been achieved before," Jackson says. "It's new in terms of where you find the electrons and holes, and spatially it's a new structure."

EYES ON SIZE AND CORNERING ELECTRONS

These little structures could have a big effect on a variety of technologies. Semiconductors are at the center of modern electronics. Computers, TVs and cellphones have them. They're made from the crystalline form of elements that have scientifically beneficial electrical conductivity properties. Many semiconductors are made of silicon, but in this case they are made of gallium arsenide. And while widespread use of these thin nanowires in new devices might still be around the corner, the key to making that outcome a reality in the coming years is what's in the corner.

By using a thin shell called a quantum well tube and growing it -- to about 4 nanometers thick -- around the nanowire core, the researchers found electrons within the nanowire were distributed in an unusual way in relation to the facets of the hexagonal tube. A close look at the corners of the tube's facets revealed something unexpected -- a high concentration of ground state electrons and holes.

"Having the faceting really matters. It changes the ballgame," Jackson says. "Adjusting the quantum well tube width allows you to control the energy -- which would have been expected -- but in addition we have found that there's a highly localized ground state at the corners which then can give rise to true quantum nanowires."

The nanowires the team uses for its research are grown at the Australian National University in Canberra, Australia -- one partner in this project that extends to disparate parts of the globe.

AFFECTING THE SCIENCE OF SMALL IN A BIG WAY

The team's discovery opens a new door to further study of the fundamental physics of semiconductor nanowires. As for leading to advances in technology such as photovoltaic cells, Jackson says it's too soon to tell because quantum nanowires are just now being explored. But in a world where hundreds of dollars' worth of technology is packed into a 5-by-2.5 inch iPhone, it's not hard to see how small but powerful science comes at a premium.

The team at UC is one of only about a half dozen in the US conducting competitive research in the field. It's a relatively young discipline, too, Jackson says, and one that's moving fast. For such innovative science, he says it's important to have a collaborative effort. The team includes scientists from research centers in the Midwest, the West Coast and all the way Down Under: UC, Miami University of Ohio and Sandia National Laboratories in California here in the US; and Monash University and the Australian National University in Australia.

The team's efforts are another example of how UC not only stands out as a leader in top-notch science, but also in shaping the future of the discipline by providing its students with high-quality educational and research opportunities.

"We're training students in state-of-the-art techniques on state-of-the-art materials doing state-of-the-art physics," Jackson says. "Upon completing their education here, they're positioned to go out and make contributions of their own."

Additional contributors to the paper are Jan Yarrison-Rice of Miami University, Oxford, Ohio; Bryan Wong of Sandia National Laboratories, Livermore, Calif.; Changlin Zheng, Peter Miller and Joanne Etheridge of Monash University, Victoria, Australia; and Qiang Gao, Shriniwas Deshpande, Hark Hoe Tan and Chennupati Jagadish of the Australian National University, Canberra, Australia.

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The above story is reprinted from materials provided by University of Cincinnati.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Melodie Fickenscher, Teng Shi, Howard E. Jackson, Leigh M. Smith, Jan M. Yarrison-Rice, Changlin Zheng, Peter Miller, Joanne Etheridge, Bryan M. Wong, Qiang Gao, Shriniwas Deshpande, Hark Hoe Tan, Chennupati Jagadish. Optical, Structural, and Numerical Investigations of GaAs/AlGaAs Core?Multishell Nanowire Quantum Well Tubes. Nano Letters, 2013; 13 (3): 1016 DOI: 10.1021/nl304182j

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Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/Rw930UopHIw/130423135720.htm

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