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Monday, October 31, 2011
CELEBS ATTENDED PRIVATE 3D HALLOWEEN EVENT AT A CEMETERY IN LOS ANGELES
In the spirit of celebrating Halloween, VEVO presented a private ?Six Feet Deep? 3D experience at Hollywood Forever Cemetery powered by Dubset. Guests were handed 3D glasses when they arrived to enjoy the world?s first-ever private 3D experience with a celebrity DJ performance and were treated to snacks by popchips and an open bar with [...]
Study: Japan nuke radiation higher than estimated
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Sunday, October 30, 2011
Key expert to resume testimony for Jackson doctor (AP)
LOS ANGELES ? Jurors hearing the involuntary manslaughter case against Michael Jackson's doctor will hear an alternate version Friday of what may have occurred in the singer's bedroom in the hours before his death.
Dr. Paul White, an expert in the anesthetic propofol, will finally lay out his rationale for the defense theory that Jackson somehow gave himself a fatal dose of the drug when his doctor left the room.
White's testimony will likely be vigorously challenged by prosecutors, who spent four weeks laying out their case that Dr. Conrad Murray is a greedy, inept and reckless doctor who was giving Jackson propofol as a sleep aid. But cross-examination of White will be delayed until Monday to give prosecutors more time to review a new analysis prepared by the defense based on recently-conducted tests on samples taken during Jackson's autopsy.
"This is the entire crux of the defense case," Deputy District Attorney David Walgren said in arguing for a delay.
The judge hearing the case, which ends its fifth week on Friday, reluctantly agreed to delay the cross examination and said he is concerned about losing jurors. Superior Court Judge Michael Pastor however noted that the panel of has remained rapt throughout the trial.
"Every single member of that jury and all the alternates are paying extraordinary attention to every witness," Pastor said.
Murray has pleaded not guilty.
White's opinions will challenge those of the prosecution's main expert, Dr. Steven Shafer, who testified that the only scenario he believes explains Jackson's death is that Murray placed Jackson on an IV drip and left the room after he thought the singer was sleeping peacefully.
Murray told police he left Jackson's bedside, but claims he only gave the singer a small dose of propofol the morning of Jackson's death. He said he left the room and returned after two minutes to find the pop superstar unresponsive.
Murray's defense attorneys have repeatedly claimed that Jackson somehow gave himself the fatal dose, but it will be up to White to explain how that would be possible.
Defense attorney J. Michael Flanagan said that the new models White will show jurors on Friday will offer different simulations about the drugs propofol and sedative lorazepam. They are based on a new computer program and updated test results.
Flanagan did not reveal what conclusions White drew from the new models, or whether they would change his testimony.
White is a retired researcher and professor who performed clinical studies of propofol for years before it was approved for usage by the Food and Drug Administration in 1989. He said he was initially reluctant to become involved in the case, but after reading through more than a dozen expert reports, he couldn't figure out how others came to the conclusion that Murray would have had to leave Jackson on a propofol IV drip for the singer to have died with the anesthetic still coursing through his body.
He said the others' theories didn't make sense based on Murray's statement to police.
"I thought that there were questions if in fact Murray had administered the drugs that he described in his conversations with the police department in the doses he described, I would not have expected Michael Jackson to have died," White said.
He continued to work on the case after meeting with Murray, although White was not allowed to testify about his conversations with the Houston-based cardiologist.
Flanagan early in White's testimony on Thursday asked the doctor to address "the elephant in the room" ? whether he could justify Murray's actions if he left Jackson hooked to a propofol IV and then left the room.
"Absolutely not," White replied.
___
AP Special Correspondent Linda Deutsch contributed to this report.
___
McCartney can be reached at http://twitter.com/mccartneyAP
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Students stage anti-government protest in east Sudan (Reuters)
KHARTOUM (Reuters) ? Hundreds of students staged an anti-government rally in eastern Sudan on Sunday, protesting against poverty and rising food prices, witnesses said.
Protests are rare in the African country but anger has been building up over a severe economic crisis with spiraling food prices. Several small anti-government protests took place in the capital Khartoum in the past few weeks.
Hundreds of students took to the streets in the eastern city of Kassala late on Sunday, several witnesses told Reuters.
"They were chanting 'people are hungry' and 'people want the overthrow of the government," one witness said, declining to be identified.
There was no immediate comment from the government.
Kassala lies in an underdeveloped region near the border of Eritrea where anger has been simmering for a long time.
Opposition activists said a protest was held in Kassala two weeks ago when students initially demanded better study conditions. Since then anger has been building up over high inflation and a lack of economic development.
Last week, Sudan's President Omar Hassan al-Bashir visited Kassala to unveil government projects in the region.
Sudan has been struggling with an economic crisis since its former civil war foe South Sudan took away much of the oil production when it became independent in July.
The lack of oil revenues -- the dominant source of state income -- has driven up inflation as Sudan imports much of its food needs. The government is trying to diversify the economy but analysts say little has been achieved due to a U.S. trade embargo, corruption and lack of planning.
(Reporting by Khalid Abdelaziz; Writing by Ulf Laessing)
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Seven billion people are not the issue: Human development is what counts
ScienceDaily (Oct. 28, 2011) ? As the global media speculate on the number of people likely to inhabit the planet on October 31 an international team of population and development experts argue that it is not simply the number of people that matters but more so their distribution by age, education, health status and location that is most relevant to local and global sustainability.
Any realistic attempt to achieve sustainable development must focus primarily on the human wellbeing and be founded on an understanding of the inherent differences in people in terms of their differential impact on the environment and their vulnerabilities. These vulnerabilities are often closely associated with age, gender, lack of education, and poverty.
These are some of the messages formulated by twenty of the world's leading experts in population, development and environment who met at IIASA in Austria in September 2011, with the objective of defining the critical elements of the interactions between the human population and sustainable development. The Laxenburg Declaration on Population and Development as prepared by the Expert Panel, describes the following five actions as necessary to address sustainable development, achieve a 'green economy' and adapt to environmental change:
- Recognize that the numbers, characteristics, and behaviors of people are at the heart of sustainable development challenges and of their solutions.
- Identify subpopulations that contribute most to environmental degradation and those that are most vulnerable to its consequences. In poor countries especially, these subpopulations are readily identifiable according to age, gender, level of education, place of residence, and standard of living.
- Devise sustainable development policies to treat these subpopulations differently and appropriately, according to their demographic and behavioral characteristics.
- Facilitate the inevitable trend of increasing urbanization in ways that ensure that environmental hazards and vulnerabilities are under control.
- Invest in human capital -- people's education and health, including reproductive health -- to slow population growth, accelerate the transition to green technologies, and improve people's adaptive capacity to environmental change.
According to the Panel, "Education increases people's life opportunities in general, greatly contributes to technological and social innovation, and creates the mental flexibility required for a rapid transition to a green economy. This applies to both low- and high-income countries. Hence, the enhancement of human capital from early childhood to old age through formal and informal education and life-long learning is now known to be a decisive policy priority."
Joint convener of the Expert Panel, Professor Wolfgang Lutz from the International Institute for Applied Systems Analysis, IIASA, and the Wittgenstein Centre for Demography and Global Human Capital, states that the Panel's findings reaffirm research from several key demographic research teams around the world. "Female education and reproductive health services are the two factors that will bring down unsustainable population growth. There is also increasing evidence that 'human capital', the education and health of people, is one of the most important factors in the capacity of people to contribute to sustainable development and economic growth, and adapt to environmental change. These issues are becoming ever more profound, as the population grows and we start to see the consequences of climate change."
Rather than seeing the increase in the number of people sharing the planet merely as a 'problem' Lutz and the other members of the global panel believe that with the right policies and targeted investments in people, particularly the most vulnerable sectors or subpopulations, people will be seen as a resource and not simply a 'problem'.
As stated in the 1992 Rio Declaration on Environment and Development, "Human beings are at the centre of concern for sustainable development." Therefore, consideration of the changing numbers, characteristics, and distributions of human beings on the planet must be at the core of any serious analysis of the challenges and opportunities for sustainable development.
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Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/heeR941acsI/111028121228.htm
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Sam Sommers: Unmasking Halloween and the Power of Anonymity
For anyone with school-aged kids, one of the biggest days of the year is upon us. And as with so many of life's daily experiences, Halloween has interesting lessons to teach regarding human nature.
At my house, the schedule for this Monday includes morning Halloween school parade, afternoon trick-or-treating at local businesses, and, finally, the evening main event in the neighborhood. But even before the calendar turns to 10/31, Halloween has been a dominant topic of discussion at our place for months now.
First atop this list of talking points has been the rule at our daughters' school that prohibits students from wearing masks as part of their costume. Through informal channels, I've heard various explanations for the restriction: It allows teachers to keep an eye on where their students are. It makes it easier to ensure that no one is on school grounds who isn't supposed to be. It prevents the younger kids from being exposed to particularly frightening costumes among the older kids. And so on.
(Needless to say, the 1st and 3rd grader I live with aren't thrilled with the prohibition. In their minds, it rules out costume selections they otherwise would've considered. Darth Vader, for example, is a no-go, maintains my oldest, unswayed by my suggestion that she could simply go as Nearly Dead Darth Vader, helmetless as he is at the end of the final movie.)
But whether or not local school officials are aware of it, there's yet another, perhaps less obvious reason for banning Halloween masks (and ours hardly seems to be the only school to have such a rule): no mask means no anonymity.
While there may be a variety of reasons why Halloween has come to be a time of pranks, mischief, and even more serious forms of misbehavior, disguise certainly plays a major role. When people can't tell who you are, there's little reason to fear that your actions will lead to negative consequences. Moreover, simply feeling like we're anonymous is enough to free us from the normative constraints -- the unwritten rules of civilized society -- that usually govern behavior.
For example, in a clever Halloween research study conducted years ago by Ed Diener and colleagues, researchers unobtrusively observed over 1,000 kids trick-or-treating. The children were instructed that they could take one -- and only one -- piece of candy from a bowl inside a house. The researchers surreptitiously watched and recorded what happened next.
As you might expect, free candy is hard to resist. And visiting kids were all too eager to follow the lead of the costumed gluttons who preceded them: 83 percent took extra candy when the first kid in their group did likewise.
However, under some circumstances the kids were less likely to break the rules. Namely, when the adult at the door had previously asked the children their names and what street they lived on (stripping them of their anonymity and reminding them of their individuality) candy-theft conformity dropped to 67 percent.
And what about those little ghouls and goblins with the double confectionary misfortune of being asked their name and arriving to the house solo, without anyone to set a bad example before them? A paltry 8 percent left with extra candy.
The morals of the story? First, masks do more than make it less likely that we'll get caught when misbehaving. Wearing masks, hoods, costumes, and anything else that obscures identity or produces anonymity also makes it easier for us to do that which we might otherwise hesitate to do. Just ask Guy Fawkes acolytes. Or the Klan.
And second, it definitely pays to learn the names of the neighborhood kids. Doing so just might save you from overzealous candy withdrawals, toilet-papered trees, and a variety of other Halloween unpleasantries.
Like this post? Then check out the website for Sam's forthcoming book, "Situations Matter: Understanding How Context Transforms Your World" (available now for pre-order). You can also follow Sam on Facebook here and on Twitter here. Book trailer video below:
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Follow Sam Sommers on Twitter: www.twitter.com/samsommers
Source: http://www.huffingtonpost.com/sam-sommers/halloween-anonymity_b_1065341.html
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Saturday, October 29, 2011
LA Galaxy to play game in Philippines
DeMarco: Cardinals show guts, grab glory
DeMarco: They had the gutsiest of regular-season comebacks, followed by the unlikeliest of postseason runs. But the Cardinals' ?World Series championship was a fitting end to a captivating postseason.
Back from the brink: Cards win World Series
The Cardinals won a remarkable World Series they weren't even supposed to reach, beating the Texas Rangers 6-2 in Game 7 on Friday night with another key hit by hometown star David Freese and six gutty innings from Chris Carpenter.
Source: http://nbcsports.msnbc.com/id/45084042/ns/sports-soccer/
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Stocks finish mixed after Thursday's big rally (AP)
A quiet day on Wall Street ended Friday with major stock indexes little changed after a big rally the day before.
The Dow Jones industrial average gained 23 points, or 0.2 percent, to finish at 12,231.11. Stock indexes jumped more than 3 percent Thursday after European leaders unveiled a plan to expand their regional bailout fund and take other steps to contain the debt crisis in Greece.
Optimism ebbed on Friday as analysts raised questions about the plan, which left out many key details about how the fund would work. European markets mostly fell, and the euro declined against the dollar.
The S&P 500 rose less than a point to 1,285.09. The Nasdaq composite fell 1.48, or 0.1 percent, to 2,737.15.
"It's a kind of sobering-up after a day of partying," said Jerry Webman, chief economist with Oppenheimer Funds in New York. "We got back to what's more of a square position, closer to where we want to be, and now we're going to take a couple of deep breaths and reassess what this really means."
There are still plenty of obstacles to overcome before the crisis is resolved. One troubling sign: Borrowing costs for Italy and Spain increased, signaling that traders remain worried about their finances.
The Dow is up 12.1 percent this month, the S&P 13.6 percent. Both indexes are on pace to have their best month since January 1987.
In less than four weeks, the Dow has risen 14.8 percent from its 2011 low, reached on Oct. 3. The S&P has gained 17 percent in that time. However, the Dow remains 4.5 percent below this year's high, reached on April 29. The S&P is 5.8 percent below its high.
Whirlpool Corp. slumped 14 percent, the most in the S&P index, after the appliance maker said it would cut 5,000 jobs, citing weak demand and higher costs for materials. Another household name, Newell Rubbermaid Inc., soared 11 percent after its adjusted earnings beat Wall Street's expectations. The maker of tubs and markers maintained its outlook for the year.
Cablevision Systems Corp. fell 12.5 percent after reporting that its third-quarter net income dropped sharply and it lost cable TV subscribers.
Thursday's stock rally led to a sell-off in Treasurys, which traders hold to protect their money when other investments are falling. Demand for Treasurys increased sharply Friday, pushing the yield on the 10-year Treasury down to 2.33 percent from 2.39 percent late Thursday.
Markets have been roiled for months by fears about the impact of Europe's debt crisis. Greece couldn't afford to repay its lenders, and banks holding Greek bonds faced billions in losses. A disorganized default by Greece threatened to spook lenders to other countries with heavy debt loads such as Spain and Italy. Traders feared that a wave of defaults by countries would cause financial panic and mire the global economy.
Some analysts expect traders to refocus on U.S. economic news next week after months spent watching Europe. The government releases its jobs report for October next Friday. A news conference by Federal Reserve Chairman Ben Bernanke might offer clues about the Fed's economic outlook. Key reports on manufacturing and business sentiment are due out as well.
Declining stocks narrowly outnumbered rising ones on the New York Stock Exchange. Volume was slightly below average at 4.4 billion shares.
___
Daniel Wagner can be reached at http://www.twitter.com/wagnerreports
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Pakistan denies BBC report on Taliban links (Reuters)
RAWALPINDI, Pakistan (Reuters) ? Pakistan strongly denied Thursday a BBC report that alleged the Pakistani military, along with its intelligence arm, supplied and protected the Afghan Taliban and al Qaeda.
A number of middle-ranking Taliban commanders detailed what they said was extensive Pakistani support in interviews for a BBC documentary series, the first part of which was broadcast Wednesday.
Pakistan's Interior Minister Rehman Malik, on a visit to Britain, criticized the program, telling a London news conference that the Taliban were trying to create a wedge between their adversaries by making such allegations.
"We are victims, victims of war, we have lost over 35,000 innocent people, including senior officers, policemen, and normal foot soldiers. I think doubting us is really heartbreaking ... We have stood in the front line," Malik said, referring to Pakistan's fight against militant groups.
"We are facing daily these suicide bombers. If they had been trained by us, we should not be getting ourselves killed," he said.
A former Afghan intelligence head also told the BBC that Afghanistan gave former Pakistani president General Pervez Musharraf information in 2006 that Osama bin Laden was hiding in northern Pakistan, but the intelligence was not acted on. The al Qaeda leader was killed in the same area by U.S. special forces in May this year.
Pakistan's military denied the BBC report.
"We consider that this report is highly biased, it is one-sided, it doesn't have the version of the side which is badly hit or affected by this report," Major General Athar Abbas, spokesman for the Pakistani military, told Reuters.
"So therefore, other than that, it's factually incorrect."
CREDIBILITY QUESTIONED
One Taliban commander, Mullah Qaseem, told the BBC that Pakistan had played a significant role in providing supplies and a hiding place for Afghan Taliban fighters.
Abbas denied this, questioning Qaseem's credibility.
He said the head of Pakistan's spy agency, the Directorate of Inter-Services Intelligence (ISI), had already said "not a single bullet or financial support" had been given to groups named in the BBC report.
The United States has long suspected Pakistan, or elements within the ISI, of supporting militant groups in order to increase its influence in Afghanistan, particularly after NATO combats troops leave in 2014.
In September, Admiral Mike Mullen, then the top U.S. military officer, accused Pakistani intelligence of backing violence against U.S. targets including the U.S. embassy in Kabul. He said the al Qaeda-linked Haqqani network, blamed for a September 13 embassy attack, was a "veritable arm" of the ISI.
Pakistan denies the U.S. allegations.
Malik said that "if Pakistan has recruited some people for intelligence purposes," that did not mean it supported them.
He suggested the U.S. Central Intelligence Agency and Britain's security service also had connections with the Haqqani group or other militants because they were hunting for intelligence and recruiting sources.
Pakistan supported the Afghan Taliban before the September 11, 2001 attacks on the United States. It was one of only three countries to have diplomatic relations with the Islamist group.
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Friday, October 28, 2011
Treasury prices sink on hopes for Europe bank plan (AP)
WASHINGTON ? Spreading optimism about Europe's ability to solve its debt crisis sent Treasurys lower Wednesday as traders sought out riskier investments.
The price of the 10-year Treasury note dropped 81 cents for every $100 invested, pushing the yield up to 2.21 percent from 2.14 percent late Tuesday.
Traders were monitoring talks between European leaders at propping up the region's banks, bailing out Greece and preventing the crisis from spreading to other countries.
European banks will be forced to increase their capital cushions to help them survive choppy financial markets, officials said. The money-raising would be the first step of a larger plan aimed at stabilizing Europe's financial markets and preventing a deep recession there.
However, leaders and banks remain at odds over the size of losses banks will take on Greek bonds they hold. Greece can't afford to repay its lenders. Writing down the value of Greek debt will cause massive losses for French and German banks.
Signals that a plan is taking shape sent U.S. stocks higher and Treasury prices lower. Stocks offer a bigger upside for investors when the economy is growing. Treasurys are more attractive when traders fear losses on other investments.
Treasury prices began to rise sharply in February as the U.S. economy weakened and Europe's debt crisis threatened to spread to the U.S. Strong demand pushed the 10-year yield to a record low of 1.71 percent on Sept. 22. The yield has risen since then as the economy improved and European leaders appeared closer to solving the debt crisis.
Also Wednesday, an auction of five-year Treasury notes drew strong interest, as the uncertain economic and financial outlook kept demand high for investments seen as safe.
The Treasury Department auctioned $35 billion in notes at a yield of 1.055 percent, slightly lower than the yield of five-year notes trading in the market. That means traders' bids were higher than market prices for similar investments.
The ratio of bids to Treasurys sold was higher than the recent average, according to CRT Capital Group LLC. The higher ratio reflects rising demand.
The yield on the five-year Treasury note later rose to 1.07 percent from 0.99 percent late Tuesday.
The price of the 30-year Treasury bond fell $1.72 for every $100 invested, pushing its yield up to 3.21 percent from 3.15 percent.
The yield on the two-year Treasury note rose to 0.29 percent from 0.25 percent.
The yield on the three-month Treasury bill rose to 0.02 percent from 0.01 percent. Its discount wasn't available.
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Riot squads clear Wall St. protests in 2 cities (AP)
ATLANTA ? Police guarded newly-cleared plazas early Wednesday in Atlanta and Oakland, Calif., after clearing Occupy Wall Street protest camps in both cities. Dozens of demonstrators were arrested in swift crack-downs by riot squads after local authorities lost patience with the rallies.
Helicopters hovered and trained spotlights on downtown Atlanta as police in riot gear moved into a small city park just after midnight and arrested more than 50 protesters who had been there in tents for about two weeks.
Police and some neighbors in cities around the country have started losing patience as protesters prepare to settle in for winter in camps without running water or working toilets. Businesses and residents near New York's Zuccotti Park, the unofficial headquarters of the movement that began in mid-September, are demanding something be done to discourage the hundreds of protesters from urinating in the street and making noise at all hours.
In Oakland, riot police cleared protesters from in front of City Hall on Tuesday morning, leaving a sea of overturned tents, protest signs and trash strewn across the plaza. Hundreds of officers and sheriff's deputies went into the two week-old encampment with tear gas and beanbag rounds around 5 a.m., police said.
Eighty-five people were arrested, mostly on suspicion of misdemeanor unlawful assembly and illegal camping. About 170 protesters were at the site.
Early Wednesday, police stood guard and metal barricades surrounded Atlanta's Woodruff Park, which was where ? like in many American cities ? protesters had camped out to rally against what they see as corporate greed and a wide range of other economic issues. Before police marched in, protesters were warned a couple times around midnight to vacate the park or risk arrest.
Inside the park, the warnings were drowned out by drumbeats and chants of "Our park!"
Organizers had instructed participants to be peaceful if arrests came, and most were. Many gathered in the center of the park, locking arms, and sang "We Shall Overcome," until police led them out, one-by-one to waiting buses. Some were dragged out while others left on foot, handcuffed with plastic ties.
Oakland was less peaceful. Police fired tear gas and beanbag rounds as they cleared out the makeshift city Tuesday. After nightfall, protesters gathered at a downtown library and began marching toward City Hall in an attempt to re-establish a presence in the area of the disbanded camp.
They were met by police in riot gear. Officers cleared the area by firing tear gas over a roughly three-hour stretch of evening scuffles.
In Atlanta, State Sen. Vincent Fort was among those arrested after coming to the park in support of the protesters. He said the police presence was "overkill."
"He's using all these resources ... This is the most peaceful place in Georgia," Fort said, referring to Atlanta Mayor Kasim Reed. "At the urging of the business community, he's moving people out. Shame on him."
Police included SWAT teams in riot gear, dozens of officers on motorcycles and several on horseback. By about 1:30 a.m. Wednesday the park was mostly cleared of protesters.
"It's real simple: This is a crisis of priorities that this small group of campers ... is the greatest threat in this city. It's outrageous," said organizer Tim Franzen.
The protesters who were arrested have bond hearings at Atlanta Municipal Court starting at 8 a.m., the Atlanta Journal-Constitution reported. Several protesters with signs waited outside the courtroom for the hearings to begin.
Reed said he was upset over an advertised hip-hop concert that he said drew 600 people to the park over the weekend but didn't have a permit and didn't have security guards to work the crowd, calling it irresponsible.
Reed told reporters he had serious security concerns that he said were heightened Tuesday when a man was seen in the park with an assault rifle. The mayor said authorities could not determine whether the weapon was loaded, and were unable to get additional information about it.
An Associated Press reporter talked to the man with the gun slung across his back earlier Tuesday as he walked in the park. He wouldn't give his name, but said he was an out-of-work accountant who doesn't agree with the protesters' views, but was there, armed, because he wanted to protect the rights of people to protest. There's no law that prevents him from carrying the weapon in public, but several police followed him for about 10 minutes before moving off.
___
Associated Press reporters Terry Collins in Oakland, Calif., and Marcus Wohlsen contributed to this report
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Quantum computer components 'coalesce' to 'converse'
ScienceDaily (Oct. 26, 2011) ? If quantum computers are ever to be realized, they likely will be made of different types of parts that will need to share information with one another, just like the memory and logic circuits in today's computers do. However, prospects for achieving this kind of communication seemed distant -- until now. A team of physicists working at the National Institute of Standards and Technology (NIST) has shown for the first time how these parts might communicate effectively.
The goal to develop quantum computers -- a long-awaited type of computer that could solve otherwise intractable problems, such as breaking complex encryption codes -- has inspired scientists the world over to invent new devices that could become the brains and memory of these machines. Many of these tiny devices use particles of light, or photons, to carry the bits of information that a quantum computer will use.
But while each of these pieces of hardware can do some jobs well, none are likely to accomplish all of the functions necessary to build a quantum computer. This implies that several different types of quantum devices will need to work together for the computer or network to function. The trouble is that these tiny devices frequently create photons of such different character that they cannot transfer the quantum bits of information between one another. Transmuting two vastly different photons into two similar ones would be a first step toward permitting quantum information components to communicate with one another over large distances, but until now this goal has remained elusive.
However, the team has demonstrated that it is possible to take photons from two disparate sources and render these particles partially indistinguishable. That photons can be made to "coalesce" and become indistinguishable without losing their essential quantum properties suggests in principle that they can connect various types of hardware devices into a single quantum information network. The team's achievement also demonstrates for the first time that a "hybrid" quantum computer might be assembled from different hardware types.
The team connected single photons from a "quantum dot," which could be useful in logic circuits, with a second single-photon source that uses "parametric down conversion," which might be used to connect different parts of the computer. These two sources typically produce photons that differ so dramatically in spectrum that they would be unusable in a quantum network. But with a deft choice of filters and other devices that alter the photons' spectral shapes and other properties, the team was able to make the photons virtually identical.
"We manipulate the photons to be as indistinguishable as possible in terms of spectra, location and polarization -- the details you need to describe a photon. We attribute the remaining distinguishability to properties of the quantum dot," says Glenn Solomon, of NIST's Quantum Measurement Division. "No conceivable measurement can tell indistinguishable photons apart. The results prove in principle that a hybrid quantum network is possible and can be scaled up for use in a quantum network."
The research team includes scientists from the NIST/University of Maryland Joint Quantum Institute (JQI) and Georgetown University. The NSF Physics Frontier Center at JQI provided partial funding.
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Journal Reference:
- Sergey Polyakov, Andreas Muller, Edward Flagg, Alex Ling, Natalia Borjemscaia, Edward Van Keuren, Alan Migdall, Glenn Solomon. Coalescence of Single Photons Emitted by Disparate Single-Photon Sources: The Example of InAs Quantum Dots and Parametric Down-Conversion Sources. Physical Review Letters, 2011; 107 (15) DOI: 10.1103/PhysRevLett.107.157402
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://www.sciencedaily.com/releases/2011/10/111026162701.htm
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Thursday, October 27, 2011
FitDesk ? The Perfect Product for Keeping Fit and Reading The Gadgeteer at the Same Time
Do you find it difficult to tear yourself away from the great reviews and news here on The Gadgeteer to perform your daily workout? It’s understandable, but I might have a product that can solve that problem. The FitDesk is a stationary exercise bike that has a built-in platform that holds your laptop so that [...]
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Stocks end higher on reports of help for Europe (AP)
NEW YORK ? Stock indexes finished higher Wednesday following reports that China will come to the aid of Europe by investing in a financial rescue fund.
Agence France-Presse reported that China has agreed to invest in Europe's financial rescue fund, which will be used to support struggling countries and banks in the European Union. The Dow Jones industrial average jumped more than 100 points after the report came out in the early afternoon.
Stocks had been mixed for much of the day as investors weighed stronger earnings from Boeing and Corning with uncertainty about the outcome of a key meeting among European leaders.
Top European officials met in Brussels to discuss how to contain the region's debt crisis, which has festered for two years. One consideration is increasing the power of a financial rescue fund, which Germany's parliament approved shortly before U.S. stock markets opened.
European officials announced a plan after the U.S. market closed that will require the region's banks to increase their levels of cash to better protect themselves from losses on the Greek bonds they hold. European governments have been pressing the banks to forgive significant amounts of the Greek government's debt.
"This is a total news and rumor-driven market right now, and everyone's attention is focused on Europe," said Joe Bell, an analyst at Schaeffer's Investment Research.
The Dow Jones industrial average gained 162.42 points, or 1.4 percent, to 11,869.04. Boeing Co. led the way. It rose 4.5 percent after it reported a bigger profit for its latest quarter than analysts expected. It also raised its forecast for 2011 earnings.
The S&P 500 index rose 12.95, or 1.1 percent, to 1,242. The Nasdaq composite added 12.25, or 0.5 percent, to 2,650.67. Amazon.com Inc. slumped 12.7 percent after reporting a 73 percent drop in income. The retailer cited higher costs for expansion.
Strong economic reports also helped send stocks higher. Businesses ordered more heavy machinery and other long-lasting manufactured goods last month, after excluding aircraft orders, which can be volatile. That indicates businesses are still spending on equipment despite worries about a weak economy and Europe's debt problems. Sales of new homes rose in September after falling for four straight months. Lower home prices enticed buyers.
The yield on the 10-year Treasury note rose to 2.21 percent from 2.14 percent late Tuesday as demand diminished for assets perceived to be relatively safe.
Corning Inc. rose 3 percent after reporting a 3 percent increase in income last quarter on stronger sales of glass for flat-panel televisions. Its earnings and revenue beat analysts' expectations.
First Solar Inc. rose 6.6 percent. It reported results a week earlier than expected, and revenue and earnings both improved. That helped the stock recover some of its losses from Tuesday, when it fell 24 percent after the surprise departure of the company's chief executive.
Five stocks rose for every one that fell on the New York Stock Exchange. Volume was slightly above average at 4.8 billion shares.
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Stock indexes rise on Europe draft statement (Reuters)
NEW YORK (Reuters) ? Stocks briefly added to gains in afternoon trading on Wednesday as a draft statement obtained by Reuters said the euro zone aims to leverage its 440 billion euro bailout fund, the EFSF, "several fold."
Finance ministers will only agree the details of how that will be done in November. The statement is expected to be issued after a summit Wednesday. For details, see
The Dow Jones industrial average (.DJI) was up 113.41 points, or 0.97 percent, at 11,820.03. The Standard & Poor's 500 Index (.SPX) was up 7.86 points, or 0.64 percent, at 1,236.91. The Nasdaq Composite Index (.IXIC) was up 5.17 points, or 0.20 percent, at 2,643.59.
(Reporting by Caroline Valetkevitch; Editing by Kenneth Barry)
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Wednesday, October 26, 2011
Extra vitamin E linked to prostate cancer, but diet still merits study ...
UCSF researcher remains optimistic about identifying dietary, lifestyle interventions that prove beneficial to health.
June Chan, UC San Francisco
Taking vitamin E supplements appears to increase a man?s risk of prostate cancer, according to a study that appears in the Oct. 12 issue of the Journal of the American Medical Association.
A multi-institutional team of researchers reported findings from the Selenium and Vitamin E Cancer Prevention Trial (SELECT), a study begun in 2001. They found that men age 50 and older who took 400 units of vitamin E daily were diagnosed with prostate cancer at a 17 percent higher rate than men who popped placebos.
UCSF?s June Chan, Sc.D., is no stranger to studies of dietary supplements and cancer that turn out to be a bust, including studies of vitamin E.
Earlier, as a graduate student, Chan investigated vitamin E. Working with Harvard epidemiologist Walter Willet, she found no epidemiological evidence that vitamin E prevented prostate cancer in men generally. However, the researchers did see a trend toward fewer prostate cancers in smokers.
Chan remains optimistic about identifying dietary and lifestyle interventions that prove beneficial to health.
?Healthy eating habits, regular physical activity, not smoking, and avoiding overweight and obesity remain important tools for us to prevent several major chronic diseases,? she says.
Supplements, despite promising signs from earlier epidemiological studies, have fared poorly in controlled clinical trials, in which participants are randomly assigned to different treatment arms. These controlled clinical trials remain the gold standard by which to evaluate any health claims.
An early disappointing milestone in anti-oxidant supplement research was a 1994 study of vitamin E and beta-carotene as a means to lower lung cancer risks among smokers. Daily supplementation with 50 units of Vitamin E had no benefit, while beta-carotene was associated with an increased risk for lung cancer.
However, in that same clinical trial researchers observed that there were more than 30 percent fewer cases of prostate cancer and prostate cancer deaths among the men who took the vitamin E supplements. This association spurred interest in launching the SELECT trial, focused specifically on prostate cancer.
Although there were more cancers among men in SELECT who took supplements, it?s too soon to say whether Vitamin E or selenium supplementation will lead to more prostate cancer deaths among the study participants, Chan says. More cancers does not necessarily mean more deadly cancers.
?The majority of these cancers were earlier-stage disease detected by PSA screening. It is likely that a fair proportion of these are indolent tumors ? meaning cancers that would not cause morbidity or mortality if left undiagnosed.?
The study is another reminder that more is not always better, Chan says. ?Supplements are not the same as eating a healthy diet,? she adds.
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Rick Perry Dips His Toe into Obama Birther Conspiracy Theory (ContributorNetwork)
Texas Gov. Rick Perry talked about a conspiracy theory thought by many to have long put to rest. The birther theory is that President Barack Obama was not born in the United States but rather Kenya.
How did the birther conspiracy come up with Perry?
In an interview with Parade Magazine, Perry, answering a question as to whether he believed President Obama was born in the U.S. gave a less than definite answer in the affirmative. "I have no reason to think otherwise." Apparently Perry had just had dinner with Donald Trump, who was at one time a leading proponent of the birther theory. But Perry did suggest it was a nonissue and a distraction. Obama is president and that is that.
What is the birther conspiracy theory?
The birther theory suggests Obama was not born in Hawaii as is recorded in his biography but rather in Kenya. This controversy was stirred because of a lack of documentation, at least in the minds of the birther movement, for the place of the president's birth.
Why does the place where the president was born matter?
A confusion over whether or not Obama is a natural-born citizen led some people to believe Obama was not Constitutionally the president. It could be argued he was a natural-born citizen due to the fact of his mother being American, but birthers disputed this because she was a minor at the time. But a release of birth documentation in Hawaii, brought about largely by Trump's allegations, seemed to put the question to rest.
Why did Perry make a less than definite answer regarding the president's birthplace?
It is hard to understand what was in his mind at the time he made that answer. It is possible he is trying to attract the birther vote. As Hot Air suggests, Perry's answer has the potential of creating another round of conspiracy nonsense that would make Obama seem like a victim and Perry like an insane person. Fellow Texan Karl Rove has issued a similar warning.
Texas resident Mark Whittington writes about state issues for the Yahoo! Contributor Network.
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Tuesday, October 25, 2011
Video: How ?Our Bodies, Ourselves? changed women?s lives
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Source: http://www.msnbc.msn.com/id/21134540/vp/45039563#45039563
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Newborn found in bag in church parking lot
Authorities in a Chicago suburb were searching Monday for the mother of a newborn girl found abandoned Sunday inside a recyclable grocery bag in a church parking lot.
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Members of the Gospel Presbyterian Church in Schaumburg, Ill., were heading to their vehicles after services on Sunday afternoon when members of one family discovered a green canvas bag on the hood of their car, the Schaumburg Police Department said.
They looked inside, saw a teddy bear and towel, and turned the bag over to church officials, assuming another member of the congregation had left it behind.
But when other church members heard crying coming from inside the bag, they took another look and found a 7-pound baby girl of Asian ethnicity tucked underneath the teddy bear and towel, Schaumburg police said.
The baby, a few days old and in good health, according to police, was transported to a local hospital for observation. The Illinois Department of Children and Family Services will take custody of her once she has been released.
Illinois' so-called "safe haven" law allows parents to give up their newborn infants ? no questions asked ? if they feel they cannot provide for them.
But the law only provides parents with immunity from prosecution if the baby is left at a hospital, fire station or police station.
"We don't know who the mother is and are hoping that the public will help us identify her," said Sgt. John Nebl, public information officer for the Schaumburg Police Department.
"First and foremost we want to make sure that the mother is healthy mentally and physically, and that she voluntarily relinquished child."?
Hospital officials told Schaumburg police the baby likely was not born in a hospital because of the length of the unclamped umbilical cord. She appears to have been carried to full term, according to hospital officials.
Anybody with information about the baby or her mother is requested to call the Schaumburg Police Department Investigations Division at 847-882-3534.
Reuters and NBCChicago.com contributed to this report.
Source: http://www.msnbc.msn.com/id/45015781/ns/us_news-life/
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New York exhibit celebrates 150 years of the tux
TUXEDO PARK, New York (AP) ? An exhibit celebrating 150 years of the tuxedo is on display in the upstate New York town that lent its name to the iconic garment.
The first short dinner jacket was made on London's Savile Row in 1860 for the Prince of Wales, who later became King Edward VII.
When American millionaire James Potter visited England in the 1880s, he obtained one of the new-style jackets and brought it back home to his country club at Tuxedo Park in the town of Tuxedo. The male members of the club followed his example, and the style soon spread to New York City, where it was dubbed the "tuxedo."
The London College of Fashion has brought its traveling tuxedo history exhibit to the Tuxedo Historical Society. It's on display through Nov. 2.
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