Armstrong May Testify Under Oath on Doping

Facing a federal criminal investigation and a deadline that originally was tonight to tell all under oath to anti-doping authorities or lose his last chance at reducing his lifetime sporting ban, Lance Armstrong now may cooperate.

His apparent 11th-hour about-face, according to the U.S. Anti Doping Agency (USADA), suggests he might testify under oath and give full details to USADA of how he cheated for so long.

"We have been in communication with Mr. Armstrong and his representatives and we understand that he does want to be part of the solution and assist in the effort to clean up the sport of cycling," USADA CEO Travis T. Tygart said in a written statement this evening. "We have agreed to his request for an additional two weeks to work on details to hopefully allow for this to happen."

Neither Armstrong nor his attorney responded to emails seeking comment on the USADA announcement.

The news of Armstrong's possible and unexpected cooperation came a day after ABC News reported he was in the crosshairs of federal criminal investigators. According to a high-level source, "agents are actively investigating Armstrong for obstruction, witness tampering and intimidation" for allegedly threatening people who dared tell the truth about his cheating.

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The case was re-ignited by Armstrong's confession last month to Oprah Winfrey that he doped his way to all seven of his Tour de France titles, telling Winfrey he used performance-enhancing drugs throughout his career and then lied about it. He made the confession after years of vehement denials that he cheated.

READ MORE: Armstrong Admits to Doping

READ MORE: Lance Armstrong May Have Lied to Winfrey: Investigators

WATCH: Armstrong's Many Denials Caught on Tape

If charges are ultimately filed, the consequences of "serious potential crimes" could be severe, ABC News legal analyst Dan Abrams said -- including "possible sentences up to five, 10 years."

Investigators are not concerned with the drug use, but Armstrong's behavior in trying to maintain his secret by allegedly threatening and interfering with potential witnesses.

Armstrong was previously under a separate federal investigation that reportedly looked at drug distribution, conspiracy and fraud allegations -- but that case was dropped without explanation a year ago. Sources at the time said that agents had recommended an indictment and could not understand why the case was suddenly dropped.

"There were plenty of people, even within federal law enforcement, who felt like he was getting preferential treatment," said T.J. Quinn, an investigative reporter with ESPN.

The pressures against Armstrong today are immense and include civil claims that could cost him tens of millions of dollars.

Armstrong is currently serving a lifetime ban in sport handed down by the U.S. Anti-Doping Agency, and today was the deadline he was given to cooperate under oath if he ever wanted the ban lifted.

READ MORE: 10 Scandalous Public Confessions

PHOTOS: Olympic Doping Scandals: Past and Present

PHOTOS: Tour de France 2012

ABC News' Michael S. James contributed to this report.

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Tunisia protests after government critic shot dead

TUNIS (Reuters) - A Tunisian opposition politician was shot dead on Wednesday, sending protesters onto the streets of cities nationwide two years after the uprisings that swept Tunisia's president from power and inflamed the Arab world.

The headquarters of the moderate Islamist Ennahda party, which rules in a fractious coalition with secularists, was set ablaze after Chokri Belaid, an outspoken critic of the government, was gunned down outside his home in the capital.

Prime Minister Hamadi Jebali, who said the identity of the attacker was not known, condemned Belaid's killing as a political assassination and a strike against the "Arab Spring" revolution. Ennahda denied any involvement by the part.

Despite calls for calm from the president, 8,000 protesters, massed outside the Interior Ministry, calling for the fall of the government, and thousands more demonstrated in cities including Mahdia, Sousse, Monastir and Sidi Bouzid, the cradle of the revolution, where police fired teargas and warning shots.

"This is a black day in the history of modern Tunisia ... Today we say to the Islamists, 'get out' ... enough is enough," said Souad, a 40-year-old teacher outside the Interior Ministry in Tunis. "Tunisia will sink in the blood if you stay in power."

The small North African state was the first Arab country to oust its leader and hold free elections as uprisings spread around the region, leading to the ousting of the rulers of Egypt, Yemen and Libya and to the civil war in Syria.

But like in Egypt, many who campaigned for freedom from repression under autocratic rulers and better prospects for their future now feel their revolutions have been hijacked by Islamists they accuse of clamping down on personal freedoms, with no sign of new jobs or improvements in infrastructure.

HARDSHIP

Since the uprising, the government has faced a string of protests over economic hardship and Tunisia's future path, with many complaining hardline Salafists were taking over the revolution in the former French colony dominated previously by a secular elite under the dictatorship of Zine al-Abidine Ben Ali.

Last year, Salafist groups prevented several concerts and plays from taking place in Tunisian cities, saying they violated Islamic principles, worrying the secular-minded among the 11 million Tunisians, who fear freedom of expression is in danger.

Declining trade with the crisis-hit euro zone has also left Tunisians struggling to achieve the better living standards many had hoped for following Ben Ali's departure. Any further signs of unrest could scare off tourists vital to an industry only just recovering from the revolution.

"More than 4,000 are protesting now, burning tires and throwing stones at the police," Mehdi Horchani, a Sidi Bouzid resident, told Reuters. "There is great anger."

Jobless graduate Mohamed Bouazizi set himself on fire in December 2010 in the city, 300 km (180 miles) southwest of Tunis, after police confiscated his unlicensed fruit cart, triggering the "Jasmine Revolution" that forced Ben Ali to flee to Saudi Arabia less than a month later, on January 14, 2011.

President Moncef Marzouki, who last month warned the tension between secularists and Islamists might lead to "civil war", canceled a visit to Egypt scheduled for Thursday and cut short a trip to France, where he addressed the European Parliament.

"We will continue to fight the enemies of the revolution," the secularist leader told European Union lawmakers in Strasbourg.

Belaid, who died in hospital, was a leading member of the opposition Popular Front party. A lawyer and human rights activist, he had been a constant critic of the government, accusing it of being a puppet of the rulers in the small but wealthy Gulf state of Qatar, which Tunisia denies.

"Chokri Belaid was killed today by four bullets to the head and chest," Ziad Lakhader, a leader of the Popular Front, told Reuters. "Doctors told us that he has died. This is a sad day for Tunisia."

DENIES INVOLVEMENT

Ennahda Prime Minister Jebali said the killers wanted to "silence his voice".

"The murder of Belaid is a political assassination and the assassination of the Tunisian revolution," he said.

Party President Rached Ghannouchi denied any involvement in the killing. Belaid said earlier this week that dozens of people close to the government attacked a meeting of his party.

"Is it possible that the ruling party could carry out this assassination when it would disrupt investment and tourism?" Ghannouchi told Reuters.

He blamed those seeking to derail Tunisia's democratic transition after a 2011 uprising. "Tunisia today is in the biggest political stalemate since the revolution. We should be quiet and not fall into a spiral of violence. We need unity more than ever," Ghannouchi said.

He accused secular opponents of stirring up sentiment against his party following Belaid's death. "The result is burning and attacking the headquarters of our party in many areas," he said.

French President Francois Hollande condemned the shooting, saying he was concerned by the rise of violence in Paris's former dominion, where the government says al Qaeda-linked militants linked to those in neighboring countries have been accumulating weapons with the aim of creating an Islamic state.

"This murder deprives Tunisia of one of its most courageous and free voices," Hollande's office said in a statement.

Riccardo Fabiani, Eurasia analyst on Tunisia, described it as a "major failure for Tunisian politics".

"The question is now what is Ennahda going to do and what are its allies going to do?" he said. "They could be forced to withdraw from the government which would lead to a major crisis in the transition."

Marzouki warned last month that the conflict between Islamists and secularists could lead to civil war and called for a national dialogue that included all political groupings.

Ennahda won 42 percent of seats in a parliamentary election in 2011 and formed a government in coalition with two secular parties, the Congress for the Republic, to which President Marzouki belongs, and Ettakatol.

Marzouki's party threatened on Sunday to withdraw from the government unless it dropped two Islamist ministers.

(Additional reporting by John Irish in Paris; Writing by Alison Williams; Editing by Alastair Macdonald)

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Thousands of Indonesian workers protest for better conditions

JAKARTA : In Indonesia, thousands of workers took to the streets in five major cities including the nation's capital Jakarta on Wednesday.

Those in Jakarta, who were mostly from the Federation of Metal Workers' Union, made several demands including having universal healthcare and their right to protest.

They are demanding that President Susilo Bambang Yudhoyono issue a presidential decree that would lead to universal health insurance for all Indonesians by 2019.

This health insurance programme has been approved and will start as of 2014 but the Presidential decree required has yet to be issued.

Said Iqbal, President, Federation of Indonesian Metal Workers' Union, said: "If a government regulation and Presidential decree, which was supposed to be issued last November, is not introduced then steps for universal healthcare cannot begin. That's why the government is obliged to introduce the necessary regulations by late February, which includes guaranteeing that employers pay for their workers' insurance premium fees and that the poor will be able to receive government's healthcare."

One of the other demands made is a guarantee for a pension fund for labour workers from 2015

The workers are also calling for the provincial government to raise the number of components in the reasonable cost index from around 60 to 80 components.

This index is used as a benchmark to determine minimum wage increases for next year.

The workers are also objecting to two bills on national security and social organisation being deliberated in Parliament

They claim that if these two bills are passed then it will curb their right to protest in the streets citing security reasons.

If their demands are not met, the next major rally will be on 26 February by the Indonesian Labour Workers Association, the biggest labour union in Indonesia.

The union has warned that if its demands are not met by the end of April, then there will be an all out labour rally across the nation on Labour Day, 1st May.

- CNA/ch

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Amateur effort finds new largest prime number

A tiny portion of the 48th Mersenne prime, a number more than 17 million digits long. Written as text, the entire number is a 22.5MB file.

(Credit:
illustration by Stephen Shankland/CNET)

The Great Internet Mersenne Prime Search (GIMPS) project has scored its 14th consecutive victory, discovering the largest prime number so far.

The number, 2 to the power of 57,885,161 minus 1, is a digit that's 17,425,170 digits long. That's big enough that if you want to see the full text, you'll have to brace yourself for a 22.5MB download.

GIMPS, a cooperative project splitting the search across thousands of independent computers, announced the find yesterday after it had been confirmed by other checks. At present, there are 98,980 people and 574 teams involved in the GIMPS project; their 730,562 processors perform about 129 trillion calculations per second.

The project has a lock on the market for mongo new prime numbers. The discoverer of this particular prime is Curtis Cooper, a professor at the University of Central Missouri who runs the prime-hunting software on a network of computers and who's found record primes in 2005 and 2006. It's not just his effort that's important, though; it relied also on others' machines ruling out other candidates.

A prime number is divisible only by itself and the number 1. Once a mathematical curiosity, primes now are crucial to encrypted communications. Mersenne primes are named after Marin Mersenne, a French monk born in 1588 who investigated a particular type of prime number: 2 to the power of "p" minus one, in which "p" is an ordinary prime number.

Cooper's find is the 48th Mersenne prime so far discovered. GIMPS has found the 14 largest Mersenne primes, the organization said.

Discovering Mersenne primes is not a get-rich-quick scheme, though Cooper won a $3,000 prize. It could be more lucrative at some point: An Electronic Frontier Foundation award of $150,000 will go to the discoverer of the first prime number with at least 100 million digits. It's already awarded prizes for primes 1-million and 10-million digits, and it's got a $250,000 prize queued up for a billion-digit prime.

GIMPS is steadily advancing on the bigger numbers.

In 1998, the project found 2^3021377-1, a number 909,526 digits long. By 2001, GIMPS found the 39th Mersenne prime, a number 4,053,946 digits long. The 43rd Mersenne prime, which Cooper's effort found, is a 9,152,052-digit numeral.

Searching for prime numbers is a project that can easily be split across countless computers through an idea called distributed computing. Not all computing chores are so amenable to cooperation, though.

Some, such fluid dynamics research that can be used to model nuclear weapons explosions or
car aerodynamics, can be run on closely independent computing nodes connected by a high-speed network.

Other computing chores can't be broken down into parallel tasks at all, a problem given that power-consumption limits stalled processor clock speed increases in recent years.

A computer-science idea called Amdahl's Law, named after mainframe computer designer Gene Amdahl, shows the limits of parallel computation. If some portion of a computer program can't be sped up by parallel processing, at a certain point throwing more processors at the problem will stop producing any speedup in the computation.

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Sandy storm victims react to proposed home buyout

(CBS News) STATEN ISLAND, N.Y. - One hundred days ago, the Northeast was hit by a left hook from superstorm Sandy.

This week, New York Gov. Andrew Cuomo proposed spending $400 million to buy up and demolish thousands of those homes, so the property can be turned back into wetlands.

Homeowners have mixed feelings about the proposal.

For 11 years, Joe Monte worked two jobs and spent weekends renovating his Staten Island home. Weeks after he finished last fall, superstorm Sandy swept eight feet of water inside.

"I came into the house with paper towels and some Fantastic, and I stood in the middle of the room and called my wife and I told my wife, 'There's nothing to clean here, there's nothing to do. It's done,'" Monte said.

A picture of a house heavily damaged by superstorm Sandy on Staten Island, 100 days after the storm hit.

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CBS News

Monte welcomes Cuomo's proposal to buy up properties like his in flood-prone areas.

"This isn't my dream, the poison that's in this home, the destruction that took this neighborhood. How could you even stay here?" he said. "How could you even live in this neighborhood?"

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But about 30 miles away in Long Beach, N.Y., Fran Adelson plans to stay and rebuild. She, too, lost almost everything in the storm.

"We live here. This is where our homes are, this is where our children were raised, this is where our families are, this is where the businesses that we go to are," she said.

Fran Adelson

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CBS News

She believes the governor should be looking at ways to help people stay in their communities.

"We would rather see Cuomo spend the money on helping us rebuild than offering to buy people's property," Adelson said.

But Joe Monte says he's had enough. He's walking away.

"I hate that I lost neighbors in my neighborhood," he said. "Three people died in this neighborhood. I hate everything about it. I could never come back here ever again."

Gov. Cuomo's buyout proposal still has to be approved by the federal government. If it is approved, the governor's office says they won't force people to sell their property -- but those who do decide to stay would be offered grants to rebuild their homes.

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Lance Armstrong Under Criminal Investigation

Federal investigators are in the midst of an active criminal investigation of disgraced former Tour de France champion Lance Armstrong, ABC News has learned.

The revelation comes in stark contrast to statements made by the U.S. Attorney for Southern California, Andre Birotte, who addressed his own criminal inquiry of Armstrong for the first time publicly on Tuesday. Birotte's office spent nearly two years investigating Armstrong for crimes reportedly including drug distribution, fraud and conspiracy -- only to suddenly drop the case on the Friday before the Super Bowl last year.

Sources at the time said that agents had recommended an indictment and could not understand why the case was suddenly dropped.

Today, a high level source told ABC News, "Birotte does not speak for the federal government as a whole."

According to the source, who agreed to speak on the condition that his name and position were not used because of the sensitivity of the matter, "Agents are actively investigating Armstrong for obstruction, witness tampering and intimidation."

An email to an attorney for Armstrong was not immediately returned.

READ MORE: Lance Armstrong May Have Lied to Winfrey: Investigators

AP Photo/Bas Czerwinski, File

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Earlier Tuesday, during a Department of Justice news conference on another matter, Birotte was confronted with the Armstrong question unexpectedly. The following is a transcript of that exchange:

Q: Mr. Birotte, given the confession of Lance Armstrong to all the things --

Birotte: (Off mic.)

Q: -- to all thethings that you, in the end, decided you couldn't bring a case about, can you give us your thoughts on that case now and whether you might take another look at it?

Birotte: We made a decision on that case, I believe, a little over a year ago. Obviously we've been well-aware of the statements that have been made by Mr. Armstrong and other media reports. That has not changed my view at this time. Obviously, we'll consider, we'll continue to look at the situation, but that hasn't changed our view as I stand here today.

The source said that Birotte is not in the loop on the current criminal inquiry, which is being run out of another office.

Armstrong confessed to lying and using performance-enhancing drugs throughout his career in an interview with Oprah Winfrey.

READ MORE: Armstrong Admits to Doping

WATCH: Armstrong's Many Denials Caught on Tape

READ MORE: 10 Scandalous Public Confessions

Investigators are not concerned with the drug use, but Armstrong's behavior in trying to maintain his secret by allegedly threatening and interfering with potential witnesses.

Armstrong is currently serving a lifetime ban in sport handed down by the U.S. Anti-Doping Agency. He has been given a Feb. 6 deadline to tell all under oath to investigators or lose his last chance at a possible break on the lifetime ban.

PHOTOS: Olympic Doping Scandals: Past and Present

PHOTOS: Tour de France 2012

Read More..

Iran's Ahmadinejad in Egypt on historic visit

CAIRO (Reuters) - Mahmoud Ahmadinejad arrived in Egypt on Tuesday on the first trip by an Iranian president since the 1979 revolution, underlining a thaw in relations since Egyptians elected an Islamist head of state.

President Mohamed Mursi, the Muslim Brotherhood politician elected in June, kissed Ahmadinejad as he disembarked from his plane at Cairo airport. The leaders walked down a red carpet, Ahmadinejad smiling as he shook hands with waiting dignitaries.

Visiting Cairo to attend an Islamic summit that begins on Wednesday, the president of the Shi'ite Islamist republic is due to meet later on Tuesday with the grand sheikh of al-Azhar, one of the oldest seats of learning in the Sunni world.

Such a visit would have been unthinkable during the rule of Hosni Mubarak, the military-backed autocrat who preserved Egypt's peace treaty with Israel during his 30 years in power and deepened ties between Cairo and the West.

"The political geography of the region will change if Iran and Egypt take a unified position on the Palestinian question," Ahmadinejad said in an interview with Al Mayadeen, a Beirut-based TV station, on the eve of his visit.

He said he wanted to visit the Gaza Strip, the Palestinian territory which neighbors Egypt to the east and is run by the Islamist movement Hamas. "If they allow it, I would go to Gaza to visit the people," Ahmadinejad said.

Analysts doubt that the historic changes that brought Mursi to power in Egypt will result in a full restoration of diplomatic ties between states whose relations were broken off after the Iranian revolution and the conclusion of Egypt's peace treaty with Israel in 1979.

OBSTACLES TO FULL TIES

At the airport the two leaders discussed ways of boosting relations between their countries and resolving the Syrian crisis "without resorting to military intervention", Egyptian state media reported.

Egypt is concerned by Iran's support for Syrian President Bashar al-Assad, who is trying to crush an uprising inspired by the revolt that swept Mubarak from power two years ago. Egypt's overwhelmingly Sunni Muslim population is broadly supportive of the uprising against Assad's Alawite-led administration.

The Mursi administration also wants to safeguard relations with Gulf Arab states that are supporting Cairo's battered state finances and are deeply suspicious of Iran.

Egyptian Foreign Minister Mohamed Kamel Amr reassured Gulf Arab allies that Egypt would not jeopardize their security.

"The security of the Gulf states is the security of Egypt," he told the official MENA news agency, in response to questions about Cairo's opening to Iran and its impact on other states in the region.

Mursi wants to preserve ties with the United States, the source of $1.3 billion in aid each year to the influential Egyptian military.

His government has established close ties with Hamas, a movement backed by Iran and shunned by the West because of its hostility to Israel, but its priority is addressing Egypt's deep economic problems.

"The restoration of full relations with Iran in this period is difficult, despite the warmth in ties ... because of many problems including the Syrian crisis and Cairo's links with the Gulf states, Israel and the United States," said one former Egyptian diplomat.

Speaking to Reuters on the sidelines of preparatory meetings for the two-day Islamic summit, Iranian Foreign Minister Ali Akbar Salehi said he was optimistic that ties could grow closer.

"We are gradually improving. We have to be a little bit patient. I'm very hopeful about the expansion of the bilateral relationship," he said. Asked where he saw room for closer ties, he said: "Trade and economics."

Ahmadinejad's visit to Egypt follows Mursi's visit to Iran in August for a summit of the Non-Aligned Movement.

Sheikh Ahmed al-Tayeb, head of the 1,000-year-old al-Azhar mosque and university, will meet Ahmadinejad at his offices in mediaeval Islamic Cairo, al-Azhar's media office said.

Salehi, the Iranian foreign Minister, stressed the importance of Muslim unity when he met Sheikh al-Tayeb at al-Azhar last month.

Egypt and Iran have taken opposite courses since the late 1970s. Egypt, under Mubarak's predecessor Anwar Sadat, concluded a peace treaty with Israel in 1979 and became a close ally of the United States and Europe. Iran from 1979 turned into a center of opposition to Western influence in the Middle East.

Symbolically, Iran named a street in Tehran after the Islamist who led the 1981 assassination of Sadat.

Egypt gave asylum and a state funeral to Iran's exiled Shah Reza Pahlavi, who was overthrown by the 1979 Iranian revolution. He is buried in a medieval Cairo mosque alongside his ex-brother-in-law, Egypt's last king, Farouk.

(Additional reporting by Ayman Samir and Alexander Diadosz; Editing by Andrew Roche and Paul Taylor)

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Ahmadinejad starts historic Egypt visit

CAIRO: Mahmoud Ahmadinejad arrived in Cairo on Tuesday, marking the first visit to Egypt by an Iranian president since Iran's 1979 Islamic revolution, Egyptian television footage showed.

Egypt's Islamist President Mohamed Morsi welcomed Ahmadinejad at Cairo airport as he disembarked from the plane, the footage showed.

Ahmadinejad, who is on a three-day visit, will attend an Organisation of Islamic Cooperation conference in Cairo and will hold talks with Egyptian officials, Iranian media said ahead of the trip.

Before leaving Tehran, Ahmadinejad told reporters that during his visit he would work towards strengthening bilateral ties with Cairo.

"I will try to pave the ground for developing cooperation between Iran and Egypt," Ahmadinejad was quoted as saying by Iran's official IRNA news agency.

Without elaborating, he said the visit would "definitely influence the bilateral ties" between Tehran and Cairo.

Tehran severed ties with Cairo in 1980 in protest at a peace agreement between Egypt and Israel by then Egyptian president Anwar Sadat.

But Egypt has responded cautiously to Iranian efforts to revive ties since Morsi took power in 2012, with the two nations adopting opposing positions on the Syrian conflict.

Iran supports the regime of Syrian President Bashar al-Assad, while Egypt has been a leading voice in urging his departure -- along with regional heavyweights Saudi Arabia, Turkey and Qatar.

"If Tehran and Cairo see more eye to eye on regional and international issues, many (issues) will change," IRNA quoted Ahmadinejad as saying.

- AFP/fa

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Netflix support coming to ARM-based Chromebooks

Samsung's ARM-based Chromebook

(Credit:
Sarah Tew/CNET)

Those who've bought the low-cost Samsung Chromebook will be able to watch Netflix streaming video -- at some point.

"We are collaborating with Google on a solution for ARM-based Chromebooks," said Netflix spokesman Joris Evers last night.

He didn't share details on the company's schedule or its technical approach to bringing its service to Chrome OS, Google's browser-based operating system.

Most Web apps work just fine on the $249 Samsung Chromebook even though it has a Samsung ARM processor rather than an x86 chip found in all other computers running Google's Chrome OS. That's because the Web is inherently a cross-platform medium -- Web sites, at least in principle, work on any PC, smartphone, or
tablet with a browser.

To bring its video-streaming service to Google's Chrome browser and Chrome OS operating system, however, Netflix took a different approach using platform-specific software. To do that, it uses a Google technology called Native Client.

Native Client, or NaCl, provides a means for developers to translate their C or C++ software into a special form so it will run like native code on an operating system like Windows but also so that it can be downloaded safely over the Web.

NaCl initially only worked on x86 chips like those from Intel and AMD that power PCs. Google, though, has just finished updating Native Client so that developers can write NaCl apps that run on ARM systems, not just x86 systems. That's an extra step for programmers, who'll have to build a separate NaCl file.

Later this year, Google plans to adopt a revised approach called Portable Native Client, or PNaCl, that will let programmers build a single file that will work on ARM- or x86-based systems, including smartphones and tablets.

It's not clear whether Netflix plans to extend Chrome OS support to ARM devices with NaCl or PNaCl; the former approach could be useful sooner, but the latter would offer more flexibility in the long run, especially if there comes a day when somebody wants to get Native Client working on PowerPC, MIPS, or other processor architectures.

Google plans to recraft plug-ins built into Chrome itself with NaCl. Chrome OS uses NaCl-based plug-ins and Chrome's related Pepper plug-in interface to read
Microsoft Office files, and Google is at work on rebuilding its PDF-reader software the same way. That latter project, though, awaits other engineering work.

"Our long-term goal is that all Pepper plugins be in the NaCl sandbox, so they can get the added security that comes with that," Google spokeswoman Veronica Navarrete said in a statement. "For the PDF viewer specifically, it's on hold for technical reasons."

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Signs of runaway heat seen in Dreamliner batteries

TOKYO An investigation into a lithium ion battery that overheated on a Boeing 787 flight in Japan last month found evidence of the same type of "thermal runaway" seen in a similar incident in Boston, officials said Tuesday.

The Japan Transportation Safety Board said that CAT scans and other analysis found damage to all eight cells in the battery that overheated on the All Nippon Airways 787 on Jan. 16, which prompted an emergency landing and probes by both U.S. and Japanese aviation safety regulators.

They also found signs of short-circuiting and "thermal runaway," a chemical reaction in which rising temperature causes progressively hotter temperatures. U.S. investigators found similar evidence in the battery that caught fire last month on a Japan Airlines 787 parked in Boston.

Photos distributed by the Japanese investigators show severe charring of six of the eight cells in the ANA 787's battery and a frayed and broken earthing wire — meant to minimize the risk of electric shock.

All 50 Boeing 787s in operation are grounded as regulators and Boeing investigate the problem. The Japanese probe is focusing on flight data records and on the charger and other electrical systems connected to the damaged battery.

Lithium ion batteries are more susceptible to catching fire when they overheat or to short-circuit than other types of batteries. Boeing built in safeguards to gain safety certification for use of the relatively light and powerful batteries to power various electrical systems on the 787, the world's first airliner made mostly from lightweight composite materials.

Investigators earlier said they found no evidence of quality problems with production of the 787's batteries by Kyoto, Japan-based, GS Yuasa, whose own aerospace ambitions are on the line.

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