Continue reading What?s new in Android 4.3 Jelly Bean? at Liliputing
Source: http://mobilitybeat.com/liliputing/118578/whats-new-in-android-43-jelly-bean/
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Sunday, June 30, 2013
What's new in Android 4.3 Jelly Bean?
Liliputing writes, Google has yet to officially launch Android 4.3 Jelly Bean yet, but leaked Android 4.3 firmware for the Samsung Galaxy S4 started making the rounds this week. At first glance, there?s not much new in the next version of Android ? Google has started making many of its updates available through individual app updates (Gmail, Calendar, Keyboard, Play Services and so on). But when you start digging beneath the surface, Android 4.3 has more than a new version number and a slightly tweaked camera. Here are some of the things that are new in Android 4.3 so far: Even when you turn off WiFi,?
Why don't spiral galaxies run out of gas? Look to the (extended) halo.
New research suggests that galaxies hold more 'normal matter' than scientists could image. This matter in the form of gas resides in halos that turn out to be about twice as vast as previously estimated.
This undated image, made by the Hubble Space Telescope and provided by the University of Utah, shows the Andromeda galaxy, the nearest neighbor to the Milky Way. New research signals that such spiral galaxies include much more 'ordinary matter' than previously estimated, which may help explain star formation.
University of Utah/AP
EnlargeSpiral galaxies like the Milky Way appear to host far more ordinary matter than previously estimated, according to a recent study. That may help explain why spiral galaxies in the nearby universe are still producing stars at respectable rates when, by all rights, star formation in these galaxies should have run out of gas billions of years ago.
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This matter resides as gas in an extended halo nearly 1 million light-years across. For a galaxy such as the Milky Way, whose disk is roughly 100,000 light-years wide, the halo holds as much ordinary, or baryonic matter as the Milky Way's disk, with all of its stars, gas, and dust.
Moreover, this gas, much of which is expelled from the galaxy itself, appears to get recycled ? returning to the galaxy to serve as the raw material for new stars and planets.
The evidence for this baryonic bonanza was gathered by an international team of astrophysicists and astronomers initially interested in some basic accounting, as well as in galaxy evolution.
Over the past decade, researchers have uncovered the recipe for the universe: 70 percent dark energy, a kind of anti-gravity that is accelerating the expansion of the universe; 25 percent dark matter, which astronomers can't see but infer because of its gravitational influence on matter astronomers can see; and ordinary, or baryonic, matter, which astronomers can see directly and exerts gravitational influence as well.
Theory suggests that the proportions of dark and baryonic matter in the universe should hold for galaxies as well. But the amount of baryonic matter astronomers detect in large spirals is only about 20 percent of what theory says should be there.
"Most of the matter is still out between the galaxies," either in a region around a galaxy where its gravity still holds sway, or beyond that in deep intergalactic space, says Michael Shull, an astrophysicist at the University of Colorado at Boulder and a member of the team, which was led by colleague John Stocke, also at the University of Colorado.
The gas is so tenuous, however,. that astronomers haven't been able to capture images of it. Instead, the team used the Hubble Space Telescope's exquisitely sensitive Cosmic Origins Spectrometer to detect the gas, using bright objects called quasars as backlights.
The quasars' light passes through the gas, producing spectra that reveal the gas's abundance, composition, and its motion and velocity.
Two years ago, another research team applied this backlighting technique to galaxies known to have quasars behind them and found evidence for the halos around 42 spiral galaxies. The team estimated that the halos held substantially more gas than the galaxies themselves did.
Dr. Stocke and?colleagues took another approach. In addition to using data from 11 targeted galaxies, the team, in effect,?randomly picked quasars first, then measured the halo of any galaxy that fell in between. That gave then roughly 60 more galaxies for their sample.
The earlier team, in effect, was looking for the lost car keys at night under the streetlight, Dr. Shull quips, while "we went and looked anywhere in the parking lot."
Both groups came up with similar results, he says.
Applied to the Milky Way, the results imply that the extent of the galaxy plus its halo is about twice as large as previously estimated, Shull says.
Temperatures in the halos were on the order of 1 million degrees Celsius, or 1.8 million degrees Fahrenheit. But the halo also held so-called warm clouds, which tended to populate the inner half of the halo and consisted of elements heavier than hydrogen and helium. The team estimates that the warm clouds lacked the mass to account for more than about 10 to 15 percent of the total baryonic matter spiral galaxies should have. But when the hotter halo gas was included, the books could be brought into balance.
The circumgalactic medium also is thought to play a key role in replenishing a spiral galaxy's reserves of gas for star formation, Shull explains.
The warm clouds, relatively rich in heavier elements, likely represents gas expelled from the galaxy, where stars form the heavier elements and enormous stellar explosions called supernovae eject the enriched gas into the circumgalactic medium. Some of that expelled gas doesn't move fast enough to escape the galaxy's gravitational tug and so rains back onto the galactic disk where it can help form new stars, he says.
The warm clouds that remain, however, may provide a vital service to the galaxy ? cooling some of the hotter gas that surrounds it, Shull suggests. This cooled, denser gas has lost energy and so stands a better change of getting drawn in to the galactic disk to serve as additional star fodder.
The team's results appeared recently in the Astrophysical Journal.
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China state media warnings on South China Sea "irresponsible", says Philippine minister
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Monday, June 24, 2013
Wing walker, pilot die in crash at Ohio air show
CINCINNATI (AP) ? A plane carrying a wing walker crashed at an air show and exploded into flames Saturday, killing the pilot and stunt walker, authorities said.
The crash of the 450 HP Stearman happened at around 12:45 p.m. at the Vectren Air Show near Dayton in front of thousands of horrified spectators. No one else was hurt.
A video posted on WHIO-TV shows the plane turn upside-down as the performer sits on top of the wing. The plane then tilts and crashes to the ground, erupting into flames as spectators screamed.
Ian Hoyt, an aviation photographer and licensed pilot from Findlay, was at the show with his girlfriend. He told The Associated Press he was taking photos as the plane passed by and had just raised his camera to take another shot.
"Then I realized they were too low and too slow. And before I knew it, they hit the ground," he said.
He couldn't tell exactly what happened, but it appeared that the plane stalled and didn't have enough air speed, he said. He credited the pilot for steering clear of spectators and potentially saving lives.
"Had he drifted more, I don't know what would have happened," Hoyt said. He said he had been excited to see the show because he'd never seen the scheduled performer ? wing walker Jane Wicker ? in action.
On the video, the announcer narrates as the plane glides through the sky and rolls over while the stuntwoman perches on a wing.
"Now she's still on that far side. Keep an eye on Jane. Keep an eye on Charlie. Watch this! Jane Wicker, sitting on top of the world," the announcer said, right before the plane makes a quick turn and nosedive.
Federal records show that biplane was registered to Wicker, who lived in Loudon, Va. A man who answered the phone at a number listed for Wicker on her website said he had no comment and hung up.
One of the pilots listed on Wicker's website was named Charlie Schwenker. A post on Jane Wicker Airshows' Facebook page announced the deaths of Wicker and Schwenker and asked for prayers for their families.
A message left at a phone listing for Charles Schwenker in Oakton, Va., wasn't immediately returned.
Dayton International Airport spokeswoman Linda Hughes and Ohio State Highway Patrol Lt. Anne Ralston confirmed that a pilot and stunt walker had died but declined to give their names. The air show also declined to release their identities.
The show was canceled for the rest of the day, but organizers said events would resume Sunday and follow the previous schedule and normal operations. The National Transportation Safety Board said it is investigating the crash.
Another spectator, Shawn Warwick of New Knoxville, told the Dayton Daily News that he was watching the flight through binoculars.
"I noticed it was upside-down really close to the ground. She was sitting on the bottom of the plane," he said. "I saw it just go right into the ground and explode."
Thanh Tran, of Fairfield, said he could see a look of concern on the wing walker's face just before the plane went down.
"She looked very scared," he said. "Then the airplane crashed on the ground. After that, it was terrible, man ... very terrible."
Wicker's website says she responded to a classified ad from the Flying Circus Airshow in Bealeton, Va., in 1990, for a wing-walking position, thinking it would be fun. She was a contract employee who worked as a Federal Aviation Administration budget analyst, the FAA said.
She told WDTN-TV in an interview this week that her signature move was hanging underneath the plane's wing by her feet and sitting on the bottom of the airplane while it's upside-down.
"I'm never nervous or scared because I know if I do everything as I usually do, everything's going to be just fine," she told the station.
Wicker wrote on her website that she had never had any close calls.
"What you see us do out there is after an enormous amount of practice and fine tuning, not to mention the airplane goes through microscopic care. It is a managed risk and that is what keeps us alive," she wrote.
In 2011, wing walker Todd Green fell 200 feet to his death at an air show in Michigan while performing a stunt in which he grabbed the skid of a helicopter.
In 2007, veteran stunt pilot Jim LeRoy was killed at the Dayton show when his biplane slammed into the runway while performing loop-to-loops and caught fire.
Organizers were presenting a trimmed-down show and expected smaller crowds at Dayton after the Air Force Thunderbirds and other military participants pulled out this year because of federal budget cuts.
The air show, one of the country's oldest, usually draws around 70,000 people and has a $3.2 million impact on the local economy. Without military aircraft and support, the show expected attendance to be off 30 percent or more.
___
Thomas reported from Philadelphia. Associated Press writers Kerry Lester in Chicago and Randy Pennell in Philadelphia contributed to this report.
___
Online:
Raw video of crash: http://bit.ly/11Vf7JA
Source: http://news.yahoo.com/wing-walker-pilot-die-crash-ohio-air-show-191655523.html
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Hong Kong says Snowden has left for third country
A TV screen shows a news report of Edward Snowden, a former CIA employee who leaked top-secret documents about sweeping U.S. surveillance programs, at a shopping mall in Hong Kong Sunday, June 23, 2013. The former National Security Agency contractor wanted by the United States for revealing two highly classified surveillance programs has been allowed to leave for a "third country" because a U.S. extradition request did not fully comply with Hong Kong law, the territory's government said Sunday. (AP Photo/Vincent Yu)
A TV screen shows a news report of Edward Snowden, a former CIA employee who leaked top-secret documents about sweeping U.S. surveillance programs, at a shopping mall in Hong Kong Sunday, June 23, 2013. The former National Security Agency contractor wanted by the United States for revealing two highly classified surveillance programs has been allowed to leave for a "third country" because a U.S. extradition request did not fully comply with Hong Kong law, the territory's government said Sunday. (AP Photo/Vincent Yu)
FILE - In this June 21, 2013 file photo, a banner supporting Edward Snowden, a former CIA employee who leaked top-secret documents about sweeping U.S. surveillance programs, is displayed at Central, Hong Kong's business district. The Hong Kong government says Snowden wanted by the U.S. for revealing two highly classified surveillance programs has left for a "third country." The South China Morning Post reported Sunday, June 23, 2013 that Snowden was on a plane for Moscow, but that Russia was not his final destination. Snowden has talked of seeking asylum in Iceland. (AP Photo/Kin Cheung, File)
A TV screen shows a news report of Edward Snowden, a former CIA employee who leaked top-secret documents about sweeping U.S. surveillance programs, at a shopping mall in Hong Kong Sunday, June 23, 2013. The former National Security Agency contractor wanted by the United States for revealing two highly classified surveillance programs has been allowed to leave for a "third country" because a U.S. extradition request did not fully comply with Hong Kong law, the territory's government said Sunday. (AP Photo/Vincent Yu)
A TV screen shows a news report of Edward Snowden, a former CIA employee who leaked top-secret documents about sweeping U.S. surveillance programs, at a shopping mall in Hong Kong Sunday, June 23, 2013. The former National Security Agency contractor wanted by the United States for revealing two highly classified surveillance programs has been allowed to leave for a "third country" because a U.S. extradition request did not fully comply with Hong Kong law, the territory's government said Sunday. (AP Photo/Vincent Yu)
A TV screen shows a news report of Edward Snowden, a former CIA employee who leaked top-secret documents about sweeping U.S. surveillance programs, at a shopping mall in Hong Kong Sunday, June 23, 2013. The former National Security Agency contractor wanted by the United States for revealing two highly classified surveillance programs has been allowed to leave for a "third country" because a U.S. extradition request did not fully comply with Hong Kong law, the territory's government said Sunday. (AP Photo/Vincent Yu)
HONG KONG (AP) ? A former National Security Agency contractor wanted by the United States for revealing highly classified surveillance programs has been allowed to leave for a "third country" because a U.S. extradition request did not fully comply with Hong Kong law, the territory's government said Sunday.
Hong Kong's government did not identify the country. Snowden, who has been in hiding in Hong Kong for several weeks since he revealed information on the highly classified spy programs, has talked of seeking asylum in Iceland.
However, Russia's ITAR-Tass news agency cited an unidentified Aeroflot official as saying Snowden would fly from Moscow to Cuba on Monday and then on to Caracas, Venezuela. The WikiLeaks anti-secrecy group tweeted that Snowden was "over Russian air space" and later said in a statement he was bound for an unnamed "democratic nation via a safe route for the purpose of asylum."
The White House had no immediate comment about the departure, which came a day after the United States made a formal request for his extradition and gave a pointed warning to Hong Kong against delaying the process of returning him to face trial in the U.S.
The Department of Justice said only that it would "continue to discuss this matter with Hong Kong and pursue relevant law enforcement cooperation with other countries where Mr. Snowden may be attempting to travel."
The Hong Kong government said in a statement that Snowden left "on his own accord for a third country through a lawful and normal channel."
It acknowledged the U.S. extradition request, but said U.S. documentation did not "fully comply with the legal requirements under Hong Kong law." It said additional information was requested from Washington, but since the Hong Kong government "has yet to have sufficient information to process the request for provisional warrant of arrest, there is no legal basis to restrict Mr. Snowden from leaving Hong Kong."
The statement said Hong Kong had informed the U.S. of Snowden's departure. It added that it wanted more information about alleged hacking of computer systems in Hong Kong by U.S. government agencies which Snowden had revealed.
WikiLeaks said it was providing legal help to Snowden at his request and that he was being escorted by diplomats and legal advisors from the group. Its founder, Julian Assange, who has spent a year inside the Ecuadorean Embassy in London to avoid extradition to Sweden to face questioning about sex crime allegations, told the Sydney Morning Herald that his organization is in a position to help because it has expertise in international asylum and extradition law.
Snowden's departure eliminates a possible fight between Washington and Beijing at a time when China is trying to deflect U.S. accusations that it carries out extensive surveillance of American government and commercial operations. Hong Kong, a former British colony, has a high degree of autonomy and is granted rights and freedoms not seen on mainland China, but under the city's mini constitution Beijing is allowed to intervene in matters involving defense and diplomatic affairs.
Hong Kong has an extradition treaty with the U.S., but the document has some exceptions, including for crimes deemed political.
The Obama administration on Saturday warned Hong Kong against delaying Snowden's extradition, with White House national security adviser Tom Donilon saying in an interview with CBS News, "Hong Kong has been a historically good partner of the United States in law enforcement matters, and we expect them to comply with the treaty in this case."
Snowden's departure came as the South China Morning Post released new allegations from Snowden that U.S. hacking targets in China included the nation's cellphone companies and two universities hosting extensive Internet traffic hubs.
He told the newspaper that "the NSA does all kinds of things like hack Chinese cellphone companies to steal all of your SMS data." It added that Snowden said he had documents to support the hacking allegations, but the report did not identify the documents. It said he spoke to the newspaper in a June 12 interview.
With a population of more than 1.3 billion, China has massive cellphone companies. China Mobile is the world's largest mobile network carrier with 735 million subscribers, followed by China Unicom with 258 million users and China Telecom with 172 million users.
Snowden said Tsinghua University in Beijing and Chinese University in Hong Kong, home of some of the country's major Internet traffic hubs, were targets of extensive hacking by U.S. spies this year. He said the NSA was focusing on so-called "network backbones" in China, through which enormous amounts of Internet data passes.
The Chinese government has not commented on the extradition request and Snowden's departure, but its state-run media have used Snowden's allegations to poke back at Washington after the U.S. had spent the past several months pressuring China on its international spying operations.
A commentary published Sunday by the official Xinhua News Agency said Snowden's disclosures of U.S. spying activities in China have "put Washington in a really awkward situation."
"Washington should come clean about its record first. It owes ... an explanation to China and other countries it has allegedly spied on," it said. "It has to share with the world the range, extent and intent of its clandestine hacking programs."
____
Sylvia Hui in London and Lynn Berry in Moscow contributed to this report.
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Monday, June 17, 2013
UK's Cameron rallies world leaders to NIreland
ENNISKILLEN, Northern Ireland (AP) ? British Prime Minister David Cameron says leaders gathering for the G-8 summit in Northern Ireland should reach speedy agreement on trade and tax reforms ? and draw inspiration from the host country's ability to resolve its own stubborn conflict.
Cameron says he expects formal agreement Monday to launch negotiations on a European-North American free trade agreement. He says a pact to slash tariffs on exports would boost employment and growth on both sides of the Atlantic.
Leaders from the United States, Canada, Russia, Germany, France, Italy and Japan are joining Cameron for trade-boosting talks ahead of Monday's ceremonial opening of the summit at a lakeside golf resort near the town of Enniskillen.
During a later working dinner, foreign policy issues ? especially Syria ? will be on the menu.
Source: http://news.yahoo.com/uks-cameron-rallies-world-leaders-nireland-052659289.html
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