Tuesday, April 30, 2013

New simulation speed record on Sequoia Supercomputer

Apr. 30, 2013 ? Computer scientists at Lawrence Livermore National Laboratory (LLNL) and Rensselaer Polytechnic Institute have set a high performance computing speed record that opens the way to the scientific exploration of complex planetary-scale systems.

In a paper to be published in May, the joint team will announce a record-breaking simulation speed of 504 billion events per second on LLNL's Sequoia Blue Gene/Q supercomputer, dwarfing the previous record set in 2009 of 12.2 billion events per second.

Constructed by IBM, the 120-rack Sequoia supercomputer has a peak performance of 25 petaflops per second and is the second fastest supercomputer in the world, with a total speed and capacity equivalent to about one million desktop PCs. A petaflop is a quadrillion floating point operations per second.

In addition to breaking the record for computing speed, the research team set a record for the most highly parallel "discrete event simulation," with 7.86 million simultaneous tasks using 1.97 million cores. Discrete event simulations are used to model irregular systems with behavior that cannot be described by equations, such as communication networks, traffic flows, economic and ecological models, military combat scenarios, and many other complex systems.

Prior to the record-setting experiment, a preliminary scaling study was conducted at the Rensselaer supercomputing center, the Computational Center for Nanotechnology Innovations (CCNI). The researchers tuned parameters on the CCNI's two-rack Blue Gene/Q system and optimized the experiment to scale up and run on the 120-rack Sequoia system.

Authors of the study are Peter Barnes Jr. and David Jefferson of LLNL, and CCNI Director and computer science professor Chris Carothers and graduate student Justin LaPre of Rensselaer.

The records were set using the ROSS (Rensselaer's Optimistic Simulation System) simulation package developed by Carothers and his students, and using the Time Warp synchronization algorithm originally developed by Jefferson.

"The significance of this demonstration is that direct simulation of 'planetary scale' models is now, in principle at least, within reach," Barnes said. "'Planetary scale' in the context of the joint team's work means simulations large enough to represent all 7 billion people in the world or the entire Internet's few billion hosts."

"This is an exciting time to be working in high performance computing, as we explore the petascale and move aggressively toward exascale computing," Carothers said. "We are reaching an interesting transition point where our simulation capability is limited more by our ability to develop, maintain, and validate models of complex systems than by our ability to execute them in a timely manner."

The calculations were completed while Sequoia was in unclassified "early science" service as part of the machine's integration period. The system is now in classified service. Sequoia is dedicated to the National Nuclear Security Administration's (NNSA) Advanced Simulation and Computing (ASC) program for stewardship of the nation's nuclear weapons stockpile, a joint effort by LLNL, Los Alamos National Laboratory, and Sandia National Laboratories. The ASC program provided time on Sequoia to the LLNL-Rensselaer team as the capabilities tested have potential relevance to NNSA/DOE missions. This work also was supported by LLNL's Laboratory Directed Research and Development program.

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Story Source:

The above story is reprinted from materials provided by Rensselaer Polytechnic Institute (RPI).

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


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

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

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_technology/~3/uCPX-1pGsws/130430194045.htm

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Obama schedules news conference at the White House

BERLIN, April 29 (Reuters) - Barcelona will try every trick in the book to overturn a 4-0 first-leg deficit against Bayern Munich in their Champions League semi-final return leg on Wednesday, honorary Bayern president Franz Beckenbauer warned on Monday. Bayern crushed the Spaniards last week in a surprisingly one-sided encounter but Beckenbauer, former player, coach and president of Germany's most successful club, warned that Barcelona were not ready to surrender. "Barca will try everything to throw Bayern off balance," he told Bild newspaper. ...

Source: http://news.yahoo.com/obama-schedules-news-conference-white-house-124151567.html

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Activision CEO Kotick among top-paid CEOs in U.S

(Reuters) - Videogame publisher Activision Blizzard Inc's Chief Executive Robert Kotick received a total compensation of $64.9 million last year, making him one of the top paid CEOs in the United States.

Kotick's 2012 total compensation includes about $56 million in stock awards, while there were no stock awards for 2011. His base salary doubled to $2 million, according to regulatory filings on Friday. (http://r.reuters.com/bew67t)

The $56 million in stock awards will be paid over five years and is contingent upon meeting certain goals for company performance.

Kotick, 50, also a board member of Coca-Cola Co, was paid $8.33 million in 2011 by Santa Monica-based Activision.

The company's revenue and net income, however, rose only in single digits for 2012, slower than the growth rate it saw in 2011.

Activision's Kotick makes more than three times the $21 million pay package received by Goldman Sachs Group Inc's CEO Lloyd Blankfein in 2012, and it is 50 percent higher than Walt Disney Co CEO Robert Iger's $40.2 million compensation in 2012.

Kotick has been a director and CEO of Activision Inc since February 1991, and in July 2008, he became CEO of Activision Blizzard in connection with the combination of Activision and Vivendi Games.

(This story was corrected to show that $56 million will be paid over five years and is contingent upon company performance)

(Reporting by Thyagaraju Adinarayan in Bangalore; Editing by Lisa Shumaker and Maureen Bavdek)

Source: http://news.yahoo.com/activision-ceo-kotick-among-top-paid-ceos-u-200813305.html

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Plants moderate climate warming

Apr. 28, 2013 ? As temperatures warm, plants release gases that help form clouds and cool the atmosphere, according to research from IIASA and the University of Helsinki.

The new study, published in Nature Geoscience, identified a negative feedback loop in which higher temperatures lead to an increase in concentrations of natural aerosols that have a cooling effect on the atmosphere.

"Plants, by reacting to changes in temperature, also moderate these changes," says IIASA and University of Helsinki researcher Pauli Paasonen, who led the study.

Scientists had known that some aerosols -- particles that float in the atmosphere -- cool the climate as they reflect sunlight and form cloud droplets, which reflect sunlight efficiently. Aerosol particles come from many sources, including human emissions. But the effect of so-called biogenic aerosol -- particulate matter that originates from plants -- had been less well understood. Plants release gases that, after atmospheric oxidation, tend to stick to aerosol particles, growing them into the larger-sized particles that reflect sunlight and also serve as the basis for cloud droplets. The new study showed that as temperatures warm and plants consequently release more of these gases, the concentrations of particles active in cloud formation increase.

"Everyone knows the scent of the forest," says Ari Asmi, University of Helsinki researcher who also worked on the study. "That scent is made up of these gases." While previous research had predicted the feedback effect, until now nobody had been able to prove its existence except for case studies limited to single sites and short time periods. The new study showed that the effect occurs over the long-term in continental size scales.

The effect of enhanced plant gas emissions on climate is small on a global scale -- only countering approximately 1 percent of climate warming, the study suggested. "This does not save us from climate warming," says Paasonen. However, he says, "Aerosol effects on climate are one of the main uncertainties in climate models. Understanding this mechanism could help us reduce those uncertainties and make the models better."

The study also showed that the effect was much larger on a regional scale, counteracting possibly up to 30% of warming in more rural, forested areas where anthropogenic emissions of aerosols were much lower in comparison to the natural aerosols. That means that especially in places like Finland, Siberia, and Canada this feedback loop may reduce warming substantially.

The researchers collected data at 11 different sites around the world, measuring the concentrations of aerosol particles in the atmosphere, along with the concentrations of plant gases, the temperature, and reanalysis estimates for the height of the boundary layer, which turned out to be a key variable. The boundary layer refers to the layer of air closest to the Earth, in which gases and particles mix effectively. The height of that layer changes with weather. Paasonen says, "One of the reasons that this phenomenon was not discovered earlier was because these estimates for boundary layer height are very difficult to do. Only recently have the reanalysis estimates been improved to where they can be taken as representative of reality."

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The above story is reprinted from materials provided by International Institute for Applied Systems Analysis, via EurekAlert!, a service of AAAS.

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


Journal Reference:

  1. Pauli Paasonen, Ari Asmi, Tuukka Pet?j?, Maija K. Kajos, Mikko ?ij?l?, Heikki Junninen, Thomas Holst, Jonathan P. D. Abbatt, Almut Arneth, Wolfram Birmili, Hugo Denier van der Gon, Amar Hamed, Andr?s Hoffer, Lauri Laakso, Ari Laaksonen, W. Richard Leaitch, Christian Plass-D?lmer, Sara C. Pryor, Petri R?is?nen, Erik Swietlicki, Alfred Wiedensohler, Douglas R. Worsnop, Veli-Matti Kerminen, Markku Kulmala. Warming-induced increase in aerosol number concentration likely to moderate climate change. Nature Geoscience, 2013; DOI: 10.1038/NGEO1800

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

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

Source: http://feeds.sciencedaily.com/~r/sciencedaily/~3/dddfaVbmvBk/130428144921.htm

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Cyberattack suspect had 'bunker' in north Spain

MADRID (AP) ? A Dutch citizen arrested in northeast Spain on suspicion of launching what is described as the biggest cyberattack in Internet history operated from a bunker and had a van capable of hacking into networks anywhere in the country, officials said Sunday.

The suspect traveled in Spain using his van "as a mobile computing office, equipped with various antennas to scan frequencies," an Interior Ministry statement said.

Agents arrested him Thursday in the city of Granollers, 35 kilometers (22 miles) north of Barcelona, complying with a European arrest warrant issued by Dutch authorities.

He is accused of attacking the Swiss-British anti-spam watchdog group Spamhaus whose main task is to halt ads for counterfeit Viagra and bogus weight-loss pills reaching the world's inboxes.

The statement said officers uncovered the computer hacker's bunker, "from where he even did interviews with different international media."

The 35-year-old, whose birthplace was given as the western Dutch city of Alkmaar, was identified only by his initials: S.K.

The statement said the suspect called himself a diplomat belonging to the "Telecommunications and Foreign Affairs Ministry of the Republic of Cyberbunker."

Spanish police were alerted in March by Dutch authorities of large denial-of-service attacks being launched from Spain that were affecting Internet servers in the Netherlands, United Kingdom and the U.S. These attacks culminated with a major onslaught on Spamhaus.

The Netherlands National Prosecution Office described them as "unprecedentedly serious attacks on the nonprofit organization Spamhaus."

The largest assault clocked in at 300 billion bits per second, according to San Francisco-based CloudFlare Inc., which Spamhaus enlisted to help it weather the onslaught.

Denial-of-service attacks overwhelm a server with traffic, jamming it with incoming messages. Security experts measure the attacks in bits of data per second. Recent cyberattacks ? such as the ones that caused persistent outages at U.S. banking sites late last year ? have tended to peak at 100 billion bits per second, one third the size of that experienced by Spamhaus.

Netherlands, German, British and U.S. police forces took part in the investigation leading to the arrest, Spain said.

The suspect is expected to be extradited from Spain to face justice in the Netherlands.

Source: http://news.yahoo.com/cyberattack-suspect-had-bunker-north-spain-110421618.html

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Sunday, April 28, 2013

Tips To Incorporate Into Your Internet Marketing Strategy | Total ...


Tip! Do you research on how your affiliates track outside sales. If you are generating sales to that company you need to link them back to you.

You will be forced to change up with new types of techniques to stand out from the competition.Yet, even with all the differences from company to company, some things remain true to form that earn good profits and that information is listed below.

Tip! Some affiliates get their tasks through email, but this sometimes causes them to continually re-check their emails. Consider copying major points from your emails and reading them on a document program such as Microsoft Word.

It is important that neither you or your affiliate promotion partners take advantage of this process. This may just cause some irritation to your visitors. You could possibly spread viruses or break the customer tracking efforts.

Tip! You should choose an affiliate that offers several ways to access your payments. Some affiliate marketing companies only pay you when you have reached a particular quota while others may pay you immediately via online transfers.

An excellent online marketing tip is to search for a business who is constantly making new products. You are more affiliate revenue by working with businesses that create a multitude of products which are interesting to your consumers. Stay away from short-term fad products because these will fade.

Text services can help affiliates to use in order to earn commissions.

There is a great variety of affiliate programs. Each one offers different array of products or different flexibility limits.

Tip! Affiliate websites are not all the same. Some sites make it a pain to find anything.

There is great inequality in the design of affiliate. You will find that some difficulties when sites are frustrating or easy to navigate. A good affiliate marketer doesn?t allow a profit. This practice will build trust and seller if done correctly.

Tip! Paid advertising, such as Google Ads, is a good way to make money from affiliate marketing programs. By buying advertisements that target the right kind of customers, you will be able to increase traffic on your website and you will be able to get lots of customers that could purchase your products.

You need to be well educated in the field of internet marketing before you can be successful with it.You should want your site or blog to rank as high a search as possible. This can garner more reputable affiliate links and increase profits.

It is vital to see statistics for your site in real time statistics. They help you see visitor and how many bought something.

Be honest with readers about your readers about your affiliations. Being honest like this helps readers feel that they are sure to appreciate that.

They use those approaches because they are effective and attract customers. All that you need to propel your efforts is to determine what customizations your approach may require.

Source: http://talkonmovie.com/tips-to-incorporate-into-your-internet-marketing-strategy/

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Weekend legislative threefer (Offthekuff)

Share With Friends: Share on FacebookTweet ThisPost to Google-BuzzSend on GmailPost to Linked-InSubscribe to This Feed | Rss To Twitter | Politics - Top Stories News, News Feeds and News via Feedzilla.

Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/301961457?client_source=feed&format=rss

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Some say immigration bill is bad deal for the GOP

WASHINGTON (AP) ? Some feisty Republicans are challenging a claim widely held among GOP leaders that the party must support more liberal immigration laws if it's to be more competitive in presidential elections.

These doubters say the Republican establishment has the political calculation backward. Immigration "reform," they say, will mean millions of new Democratic-leaning voters by granting citizenship to large numbers of Hispanic immigrants now living illegally in the United States.

The argument is dividing the party as it tries to reposition itself after losing the popular vote in five of the past six presidential elections. It also could endanger President Barack Obama's bid for a legacy-building rewrite of the nation's problematic immigration laws.

Many conservatives "are scared to death" that the Republican Party "is committing suicide, that we're going to end up legalizing 9 million automatic Democrat voters," radio host Rush Limbaugh recently told Sen. Marco Rubio, R-Fla., a leader of the bipartisan team pushing an immigration overhaul.

Strategists in both parties say several factors, including income levels, would make many, and probably most, newly enfranchised immigrants pro-Democratic, at least for a time.

Rubio says the risk is worth taking.

"Every political movement, conservatism included, depends on the ability to convince people that do not agree with you now to agree with you in the future," he told Limbaugh.

Politically, Republicans face two bad options.

They can try to improve relations with existing Latino voters by backing a plan that seems likely to add many Democratic-leaning voters in the years ahead. Or they can stick with a status quo in which their presidential nominees are losing badly among the electorate's fastest-growing segment.

In 2012, Republican presidential nominee Mitt Romney, who suggested that vanishing job opportunities would prompt immigrants to "self deport," carried only 27 percent of the Hispanic vote. A Republican Party study of that election concluded, among other things, that the GOP must appeal to more Hispanics, and to do so it must "embrace and champion comprehensive immigration reform."

Party leaders say the harsh language that some Republicans use when discussing illegal immigration has angered many Americans with Hispanic heritages.

Rubio's bipartisan group has proposed legislation to strengthen border security, allow tens of thousands of new high- and low-skilled workers into the country, require all employers to check their workers' legal status, and provide an eventual path to citizenship for some 11 million immigrants now in the country illegally.

Even if the bill survives the Democratic-controlled Senate, stiff resistance is expected in the GOP-dominated House. Many House Republicans dislike the idea of "amnesty" for those who crossed the border illegally, and some say it's foolish to enfranchise likely Democratic voters.

Obama embraces the Rubio plan, and it won crucial praise from House Speaker John Boehner, R-Ohio, and Rep. Paul Ryan, R-Wis., last year's vice presidential nominee.

Rubio and his allies challenge the notion that creating a way to citizenship for millions of people here illegally will dramatically increase Democratic turnout in future elections.

"Not all 11 million illegal immigrants here today will qualify to become citizens, and not all of the 11 million illegal immigrants are Hispanic," according to Rubio's "Myth vs. Fact" website. The site says many immigrants will not choose to become citizens, and many new citizens, like many current ones, will not bother to vote.

Some Republican campaign strategists, however, say the political damage would be worse than party leaders acknowledge.

Republican consultant and pollster Mike McKenna said one of his surveys shows that most Americans favor "immigration reform" and they believe it will benefit Democrats more than Republicans.

In an interview, McKenna said Republican leaders are embracing Rubio's plan without sufficient data on where it might lead. "I think about two months from now, the folks in the establishment are going to wish they hadn't started this conversation," McKenna said.

Party leaders erred, he said, by couching the immigration debate in political rather than moral terms. "The argument that it's going to be politically advantageous is not going to be sustainable over time," McKenna said.

Political activists have swapped estimates of how many people now living here illegally might choose to become citizens, register to vote and turn out for Democratic candidates if a path to citizenship is opened. Even the most conservative guesses assume that Democrats would benefit more than Republicans, initially, at least.

Rubio's allies play it down.

"The status quo is not acceptable to Republican voters," said GOP consultant Kevin Madden, who has worked for Romney and others. Republican leaders, he said, must push for the best rewrite of immigration laws they can achieve.

Texas-based GOP consultant Matt Mackowiak noted that evangelical leaders, major business groups and others that opposed immigration changes in 2007 are now on board. He said the Republican Party should focus on attracting Hispanic voters with its standard message of small government and free enterprise, and not worry too much if a new law produces more Democratic-leaning voters for a while.

"If we don't win 40 to 45 percent of Hispanics," Mackowiak said, "we're not going to win elections regardless of whether this happens."

Limbaugh is among those who don't buy it.

"I see polling data again that suggests that 70 percent of the Hispanic population in the country believes that government is the primary source of prosperity," he told Rubio in their recent exchange. "I don't, therefore, understand this contention that Hispanics are conservatives-in-waiting."

___

Follow Charles Babington on Twitter: https://twitter.com/cbabington

Source: http://news.yahoo.com/immigration-bill-bad-deal-gop-132850249.html

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Business Highlights

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After near-stall in late 2012, US economy picks up

WASHINGTON (AP) -- After nearly stalling in late 2012, the American economy quickened its pace early this year despite deep government cutbacks. The strongest consumer spending in two years fueled a 2.5 percent annual growth rate in the January-March quarter.

The question is: Can it last?

Federal spending cuts, higher Social Security taxes and cautious businesses are likely to weigh on the economy in coming months.

Most economists say they think growth, as measured by the gross domestic product, is slowing in the April-June quarter to an annual rate of about 2 percent. Many predict growth will hover around that subpar level for the rest of the year.

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Controllers to return; flight delays sway Congress

WASHINGTON (AP) -- Furloughed air traffic controllers will soon be heading back to work, ending a week of coast-to-coast flight delays that left thousands of travelers frustrated and furious.

Unable to ignore the travelers' anger, Congress overwhelmingly approved legislation Friday to allow the Federal Aviation Administration to withdraw the furloughs. The vote underscored a shift by Democrats who had insisted on erasing all of this year's $85 billion in across-the-board budget cuts, not just the most publicly painful ones, for fear of losing leverage to restore money for Head Start and other programs with less lobbying clout and popular support.

With President Barack Obama's promised signature, the measure will erase one of the most stinging and publicly visible consequences of the budget-wide cuts known as the sequester.

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Big brands rejected Bangladesh factory safety plan

DHAKA, Bangladesh (AP) -- As Bangladesh reels from the deaths of hundreds of garment workers in a building collapse, the refusal of global retailers to pay for strict nationwide factory inspections is bringing renewed scrutiny to an industry that has profited from a country notorious for its hazardous workplaces and subsistence-level wages.

After a factory fire killed 112 garment workers in November, clothing brands and retailers continued to reject a union-sponsored proposal to improve safety throughout Bangladesh's $20 billion garment industry. Instead, companies expanded a patchwork system of private audits and training that labor groups say improves very little in a country where official inspections are lax and factory owners have close relations with the government.

In the meantime, threats to workers persist. In the five months since last year's deadly blaze at Tazreen Fashions Ltd., there were 41 other "fire incidents" in Bangladesh factories ? ranging from a deadly blaze to smaller fires or sparks that caused employees to panic, according to a labor organization affiliated with the AFL-CIO umbrella group of American unions. Combined, the recent incidents killed nine workers and injured more than 660, some with burns and smoke inhalation and others with injuries from stampedes while fleeing.

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Baby food shortage in Europe due to China demand

BERLIN (AP) -- Yong-Hee Kim still can't believe that in a prosperous country like Germany, powdered baby formula would ever be rationed and that she would have to scour shops in the German capital to find the right brand for her 13-month-old son.

But that's what has happened since major retailers in Germany this year began limiting sales of leading brands of baby formula. Parents in Britain, the Netherlands and Hong Kong have faced similar restrictions.

The reason for the sudden shortage is a quirk of globalization ? one that illustrates the complexities of supply and demand in a wired world.

Parents thousands of miles away in China have been using the Internet or tapping friends and relatives in Europe to buy up stocks of high quality European-produced formula ? often paying much higher prices than they would here.

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Burger King 1Q earnings soar, revenue shrinks

Burger King's first-quarter earnings more than doubled even though revenue fell, as the fast-food chain trimmed several restaurant-related expenses.

The Miami-based company had warned earlier this month that sales at established restaurants were expected to fall during the quarter, and they wound up declining 1.4 percent. That includes a 3 percent drop in the United States and Canada.

Burger King said competition and a strong first quarter last year hurt U.S. and Canadian sales comparisons to this year's quarter. But it said sales from those countries rallied in March due in part to promotions like the $1.29 Whopper Jr.

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Chevron profit down 4.5 percent on lower oil prices

NEW YORK (AP) -- Chevron Corp.'s net income fell 4.5 percent in the first quarter as oil prices fell and refinery output declined.

Chevron, the second largest U.S. oil company, has delivered better profit margins than the other energy majors in recent years because a big part of its production mix is oil, which has been fetching high prices. Rivals, like Exxon Mobil, produce more natural gas in the U.S, where gas prices have been low.

But crude prices fell across the globe in the first three months of this year as Europe remained mired in recession and growth in China slowed. That reduced Chevron's revenue and profit.

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Japan allows airlines set to resume 787 flights

TOKYO (AP) -- Japan's transport minister said Friday the government will allow Japanese airlines to resume flying grounded Boeing 787s once they complete installation of systems to reduce fire risk in problematic lithium ion batteries.

The ministry gave the official approval Friday evening following a formal safety order from U.S. Federal Aviation Administration.

The 50 Dreamliner jets in service worldwide were grounded in mid-January after incidents with smoldering batteries occurred aboard two different planes. Japan's All Nippon Airways was the launch customer for the technologically advanced airliner and has 17 of the jets. Japan Airlines has seven.

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Deals site LivingSocial says it's been hacked

WASHINGTON (AP) -- Online deals service LivingSocial said Friday that its website was hacked, and the personal data of more than 50 million customers may have been affected.

The company said customers' names, email addresses, dates of birth and encrypted passwords may have been compromised by the cyberattack. But it said the database that stores customer credit-card information was not accessed or affected.

The Washington, D.C-based company said it was working with law enforcement officials to investigate the attack and was contacting customers in nearly all of the countries where it operates.

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AT&T to sell home automation, security packages

NEW YORK (AP) -- AT&T Inc. is launching its home security and automation service in 15 cities Friday, with an eye toward getting customers hooked on security cameras, thermostats and locks they can control from phones and tablets.

AT&T's "Digital Life" packages will be sold in cellphone stores in markets including Los Angeles, Chicago, San Francisco and Miami. The company plans to roll the offering out to 50 markets by the end of the year.

The home monitoring and automation field is dominated by security firms such as ADT Corp. Other phone and cable companies sell security packages, but AT&T is going further than competitors by developing its own technology and selling it nationwide, not just where it provides local phone service. It has set up monitoring centers, in Dallas and Atlanta.

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Smartphones overtake 'dumb' phones worldwide

NEW YORK (AP) -- Research firm IDC said more smartphones than "dumb" phones are being made this year, a milestone in a shift that's putting computing power and Internet access in millions of hands worldwide.

Manufacturers shipped 216 million smartphones worldwide in the first three months of this year, compared with 189 million regular cellphones, according to a study IDC released late Thursday. IDC said smartphones made up 51.6 percent of the 419 million mobile phones shipped.

In the U.S., smartphones overtook regular cellphones in 2011. IDC analyst Ramon Llamas said Friday that the shift to a global majority of smartphones is now being driven by consumers in developing countries such as China, India and Indonesia.

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By The Associated Press(equals)

The Dow Jones industrial average dropped 11.75 points, or 0.1 percent, to 14,712.55. The S&P 500 index dropped 2.92 points, or 0.2 percent, to close at 1,582.24. The Nasdaq composite fell 10.72 points to 3,279.26, a decline of 0.3 percent.

Benchmark oil for June delivery fell 64 cents to $93 a barrel. Brent crude, which is used to price oil from the North Sea used by many U.S. refiners, dropped 25 cents to $103.16 a barrel on the ICE futures exchange in London.

Gasoline rose 2 cents to $2.83 per gallon. Heating oil was flat at $2.90 a gallon. Natural gas lost 2 cents to $4.15 per 1,000 cubic feet.

Source: http://news.yahoo.com/business-highlights-221928528.html

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Saturday, April 27, 2013

FBI removes boat used by Boston bombing suspect

By Karen Brooks

(Reuters) - Investigators have removed from its Watertown, Massachusetts, backyard the now-famous boat used as a hiding spot by one of the Boston Marathon bombing suspects, and have taken it to an evidence storage facility, the FBI said on Saturday.

The boat was the scene of high drama when Dzhokhar Tsarnaev, a 19-year-old ethnic Chechen charged with the April 15 bombing that killed three people and wounded 264, was captured by authorities on April 19 after a tense day of searching in the Boston area.

The owner of the boat called police after he lifted the tarp of the boat stored in his backyard and saw blood. Police found a wounded Tsarnaev inside the boat.

The boat was processed for evidence at the scene and then moved on Friday to an undisclosed FBI facility for storage, said FBI spokeswoman Laura Eimiller.

Tsarnaev's older brother, Tamerlan Tsarnaev, is also a suspect but was killed by police on April 18.

Also on Friday, the FBI concluded their search at a landfill in New Bedford for evidence connected to the bombings, she said. Eimiller declined to say what evidence investigators hoped to find and whether they found anything.

"We were seeking evidence but we are not commenting on the nature of what was being sought or what was found," she said. "We can confirm that we were there Thursday, Friday and left yesterday."

The landfill is near the University of Massachusetts-Dartmouth, attended by the younger Tsarnaev.

Local media reported the FBI were trying to find the younger Tsarnaev's laptop.

(Reporting By Karen Brooks; Editing by Sandra Maler)

Source: http://news.yahoo.com/fbi-removes-boat-used-boston-bombing-suspect-storage-152132969.html

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Presidents' Approval Ratings Often Rise After They Leave Office: Poll

  • Former president George W. Bush, wipes a tear after his speech during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. Left is President George H.W. Bush. (AP Photo/David J. Phillip)

  • Former President George W. Bush, accompanied by his wife former first lady Laura Bush, flashes the "W" sign after his speech during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • From left, former President Bill Clinton, his wife, former first lady and former Secretary of State Hillary Rodham Clinton, former President Jimmy Carter, and his wife, former first lady Rosalynn Carter listen during the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak)

  • Former president George W. Bush speaks during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • Former president George W. Bush speaks during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • Former president George W. Bush waves with his wife Laura speech during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • Former President George W. Bush, center, shares a laugh with his wife, former first lady Laura Bush and father, former President George H.W. Bush during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • Former President George H.W. Bush wears pink socks as he is seated in a wheelchair with, from left, first lady Michelle Obama, President Barack Obama, former first lady Barbara Bush, and former President George W. Bush, at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas on Thursday, April 25, 2013. (AP Photo/Charles Dharapak)

  • President Barack Obama and First Lady Michelle Obama watch as former first lady Barbara Bush gives the thumbs up to guests during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • President Barack Obama laughs as he sits between his wife, first lady Michelle Obama and former first lady Barbara Bush after his speech during the dedication of the George W. Bush presidential library on Thursday April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • President Barack Obama laughs with former first lady Barbara Bush during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • Former President George W. Bush, right, talks with his father, former President George H.W. Bush during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • Former President George W. Bush waves after speaking at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. From left are, first lady Michelle Obama, President Barack Obama, and his mother, former first lady Barbara Bush, and his wife, former first lady Laura Bush. (AP Photo/Charles Dharapak)

  • Former president George W. Bush, left, shakes hands with former president William J. Clinton during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • Former president George W. Bush, left, shakes hands with former president William J. Clinton during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • President Barack Obama speaks during the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. Seated, from left are, former first lady Barbara Bush, former President George H.W. Bush, former President George W. Bush, and his wife, former first lady Laura Bush. (AP Photo/Charles Dharapak)

  • From left, President Barack Obama, former president George W. Bush, former president William J. Clinton former President George H.W. Bush and former president Jimmy Carter arrive for the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • From left, President Barack Obama, former first lady Barbara Bush, President George H.W. Bush, former first lady Laura Bush, former president William J. Clinton, former first lady Hillary Clinton and former president Jimmy Carter applaud former president George W. Bush during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • President Barack Obama embraces former President George W. Bush after he spoke at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak)

  • From left, First Lady Michelle Obama, former first lady Laura Bush, former first lady Hillary Clinton, former first lady Barbara Bush, former first lady Rosalynn Carter arrive for the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • From left, President Barack Obama, former first lady Barbara Bush, former president George H.W. Bush and Laura Bush applaud former president George W. Bush after his speech during the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • First lady Michelle Obama, left, stands with, from second from left, former first ladies: Laura Bush; Hillary Rodham Clinton; Barbara Bush; and Rosalynn Carter; at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak)

  • From left, First Lady Michelle Obama, former first lady Laura Bush, former first lady Hillary Clinton, former first lady Barbara Bush and former first lady Rosalynn Carter arrive for the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • From left, President Barack Obama, former president George W. Bush, former president William J. Clinton former President George H.W. Bush and former president Jimmy Carter arrive for the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • Speaker of the House of Representatives John Boehner (R-Ohio) arrives for the dedication of the George W. Bush presidential library on Thursday, April 25, 2013, in Dallas. (AP Photo/David J. Phillip)

  • New Jersey Gov. Chris Christie (R) and wife Mary Pat arrive at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak)

  • Republican strategist and former White House senior adviser Karl Rove arrives at the dedication of the George W. Bush presidential library on the campus of Southern Methodist University in Dallas, Thursday, April 25, 2013. (AP Photo/Charles Dharapak)

  • Source: http://www.huffingtonpost.com/2013/04/26/presidential-approval-ratings_n_3164653.html

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    Friday, April 26, 2013

    Dual-SIM Samsung Galaxy S 4 launches in China with an Exynos 5 Octa inside

    Dual-SIM Samsung Galaxy S 4 launches in China with an Exynos 5 Octa inside

    Remember the leaked GT-i9502, that dual-SIM variant of the Galaxy S 4 that ultimately confirmed many rumors? That smartphone is at last exists beyond a collection of photos, as Samsung just launched it for China Unicom customers. The support for an extra cellular line is naturally the highlight, although there's another perk for GS 4 connoisseurs: the i9502 has the same 1.6GHz Exynos 5 Octa processor as the i9500, which might eke out more performance than the Snapdragon 600 models. There isn't any word on whether or not the i9502 edition will leave China, although we wouldn't count on European or North American editions when there isn't LTE inside to please 4G-obsessed carriers.

    Filed under: , ,

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    Via: GSMArena

    Source: Samsung (translated)

    Source: http://www.engadget.com/2013/04/26/dual-sim-samsung-galaxy-s-4-launches-in-china/?utm_medium=feed&utm_source=Feed_Classic&utm_campaign=Engadget

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    Japan's ANA to test fly Boeing 787 Dreamliner on Sunday

    By Tim Kelly and Mari Saito

    TOKYO (Reuters) - Japan's All Nippon Airways will conduct a test flight of Boeing Co's 787 Dreamliner on Sunday, as it prepares to bring back passengers on a plane that was grounded across the world following incidents of batteries overheating.

    The test flight by ANA, the Dreamliner's top customer, comes after U.S. and Japanese authorities gave approval for flights to resume and will be the first of some 230 flights the airline has planned before allowing the jet to carry passengers.

    Boeing Commercial Airplanes Chief Executive Ray Connor and ANA Group CEO Shinichiro Ito will be on board Sunday's flight.

    ANA has yet to decide when commercial flights would restart, President Osamu Shinobe said, but he reiterated the Dreamliner would remain a core part of its fleet strategy.

    "I believe that safety has been secured now, but only by flying the 787 smoothly will we be able to demonstrate its safety and reassure our passengers," Hiroyuki Ito, ANA senior executive vice president, told reporters.

    Local rival Japan Airlines Co Ltd said it would start its own test program from May with the aim of using the jets to carry passengers again from June.

    "We have had this trouble with the 787, but it is a great aircraft," JAL President Yoshiharu Ueki told reporters. JAL has seven Dreamliner planes.

    On Saturday, Boeing will hold a news conference in Tokyo. Mike Sinnett, Boeing's chief project engineer for the 787, is scheduled to brief media.

    Ethiopian Airlines is set to become the world's first carrier to resume flying the Dreamliner, with a commercial flight on Saturday to neighboring Kenya, two airline sources told Reuters on Wednesday.

    ANA, which has 17 Dreamliner jets, has not said how much the grounding has cost the company, though it has said it was losing $868,300 in revenue per plane in the last two weeks of January.

    ANA will renew compensation talks with Boeing after it resumes commercial flights and is able to calculate total losses, the company said.

    In addition to the battery fix approved by U.S. authorities, Japan's Civil Aviation Bureau has requested airlines meet the country's own safety standards when flying the 787, which include monitoring the battery current while the jet is in the air and checking used batteries.

    Teams of Boeing engineers began installing reinforced batteries on Dreamliners owned by ANA on Monday. The airline hopes to complete retrofitting its entire fleet by mid-May.

    (Additional reporting by Yoko Kubota, Yuka Obayashi and Maki Shiraki; Editing by Chris Gallagher and Mark Potter)

    Source: http://news.yahoo.com/japan-transport-minister-government-issue-permit-resume-boeing-001100848--finance.html

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    US man detained in Venezuelan post-vote crackdown

    CARACAS, Venezuela (AP) ? A 35-year-old filmmaker from California has been arrested by Venezuelan authorities who are accusing him of fomenting post-election violence on behalf of the U.S. government.

    President Nicolas Maduro said Thursday that he personally ordered Timothy Tracy's arrest on suspicion of "creating violence in the cities of this country." Venezuela's interior minister said Tracy was working for U.S. intelligence, paying right-wing youth groups to hold violent demonstrations in order to destabilize the country after Maduro's narrow election win last week.

    Friends and family of Tracy told The Associated Press that he had been in Venezuela since last year making a documentary about the country, which is bitterly divided politically as the socialist heirs of the late President Hugo Chavez struggle to maintain control of a country beset by economic and political turmoil

    The Georgetown University English graduate was a story consultant on the 2009 documentary "American Harmony," about competitive barbershop quartet singing, and produced the recent Discovery Channel program "Under Siege," about terrorism and smuggling across the U.S.-Canada border as well the History Channel series "Madhouse," on modified race-car drivers in North Carolina.

    "They don't have CIA in custody. They don't have a journalist in custody. They have a kid with a camera," said Aengus James, a friend and associate of Tracy's in Hollywood, California, and director of "American Harmony."

    James described Tracy as "fearless" but also somewhat quixotic.

    "This whole thing came about with him at a party in South Florida," he said. "He met this cute girl who says, 'If you really are a documentary filmmaker you'll come tell the story of what is happening in Venezuela,' and if you say something like that to Tim he goes, whether or not he knows a single person there or knows anything about the political situation or the consequences."

    Tracy had been detained at least twice before by Venezuela's SEBIN intelligence police. The last time was five days before the April 14 presidential election when he was taking video of a pro-government rally in the port city of Puerto Cabello, said an associate who spoke on condition of anonymity because he did not want to endanger people inside Venezuela.

    The U.S. Embassy in Caracas declined immediate comment, citing citizen privacy.

    Prosecutors said Tracy was arrested Wednesday evening as he tried to fly out of Simon Bolivar International Airport outside the capital, Caracas.

    Tracy's father Emmet, of Grosse Pointe Farms, Michigan, said that in his last email his son had asked for some airline miles so he could fly to the United States so they could be together for the father's 80th birthday.

    The prosecution said he would be brought to a court hearing Thursday to be formally charged under Venezuela's anti-terrorism laws.

    The police had been friendly to Tracy during the previous incidents, with some even agreeing to appear in his documentary, the filmmaker's father said. Emmet Tracy said, however, that the family had begun urging his son to leave the country in light of the volatile political situation.

    "Frankly it's the kind of scenario that we were concerned about and kept telling him," Emmet Tracy said.

    Tensions in the country have been rising since Maduro beat opposition candidate Henrique Capriles in the April 14 election by less than 2 percentage points. The government insists the opposition fomented violence directed at ruling party supporters and official buildings in the days after the election. The opposition is demanding an audit of the vote, which it says was stolen.

    Venezuela's government has long accused the United States of trying to undermine it, moving closer to Cuba, Iran and Russia after a failed 2002 coup attempt against Chavez that the George W. Bush administration initially recognized.

    Tracy is the first American in recent memory to be detained in Venezuela on politically related charges, however.

    "I gave the order that they detain him immediately, hand him to prosecutors with the proof that there is because nobody can be destabilizing this country, whatever they believe, because they're on the side of the bourgeoisie, no," Maduro said.

    James said Tracy's Spanish is passable but not great.

    He said Tracy "literally has no political agenda. He is very sympathetic to all sides. He's telling stories about people and what their life is like there."

    "He has been involved in telling stories that told that international component. But he certainly never worked for the government," said James.

    "He's trying to tell a human story," said James. "My fear is that he's gone in deeper than he should have."

    __

    Bajak contributed from Lima, Peru.

    __

    Frank Bajak on Twitter: http://twitter.com/fbajak

    Michael Weissenstein on Twitter: http://twitter.com/mweissenstein

    Source: http://news.yahoo.com/us-man-detained-venezuelan-post-vote-crackdown-202455776.html

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    Thursday, April 25, 2013

    Immigration Act: Dream Or Nightmare? (Powerlineblog)

    Share With Friends: Share on FacebookTweet ThisPost to Google-BuzzSend on GmailPost to Linked-InSubscribe to This Feed | Rss To Twitter | Politics - Top Stories Stories, RSS Feeds and Widgets via Feedzilla.

    Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/301389239?client_source=feed&format=rss

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    The Next Xbox Will Be Announced May 21

    Microsoft just announced that it's going to fill us in on the next Xbox, alias Durango, alias Nextbox, on May 21st. The event will take place at Microsoft's home base in Redmond, Washington, but streamed on Spike TV. Here's what we can expect. More »
        


    Source: http://feeds.gawker.com/~r/gizmodo/full/~3/rC8KkLG9vR8/the-next-xbox-will-be-announced-may-21

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    Robot & baby sea turtles reveal principles of motion

    Apr. 23, 2013 ? For sea turtle hatchlings struggling to reach the ocean, success may depend on having flexible wrists that allow them to move without disturbing too much sand. A similar wrist also helps a robot known as "FlipperBot" move through a test bed, demonstrating how animals and bio-inspired robots can together provide new information on the principles governing locomotion on granular surfaces.

    Both the baby turtles and FlipperBot run into trouble under the same conditions: traversing granular media disturbed by previous steps. Information from the robot research helped scientists understand why some of the hatchlings they studied experienced trouble, creating a unique feedback loop from animal to robot -- and back to animal.

    The research could help robot designers better understand locomotion on complex surfaces and lead biologists to a clearer picture of how seat turtles and other animals like mudskippers use their flippers. The research could also help explain how animals evolved limbs -- including flippers -- for walking on land.

    The research is scheduled to be published April 24 in the journal Bioinspiration & Biomimetics. The work was supported by the National Science Foundation, the U.S. Army Research Laboratory's Micro Autonomous Systems and Technology (MAST) Program, the U.S. Army Research Office, and the Burroughs Wellcome Fund.

    "We are looking at different ways that robots can move about on sand," said Daniel Goldman, an associate professor in the School of Physics at the Georgia Institute of Technology. "We wanted to make a systematic study of what makes flippers useful or effective. We've learned that the flow of the materials plays a large role in the strategy that can be used by either animals or robots."

    The research began in 2010 with a six-week study of hatchling loggerhead sea turtles emerging at night from nests on Jekyll Island, one of Georgia's coastal islands. The research was done in collaboration with the Georgia Sea Turtle Center.

    Nicole Mazouchova, then a graduate student in the Georgia Tech School of Biology, studied the baby turtles using a trackway filled with beach sand and housed in a truck parked near the beach. She recorded kinematic and biomechanical data as the turtles moved in darkness toward an LED light that simulated the moon.

    Mazouchova and Goldman studied data from the 25 hatchlings, and were surprised to learn that they managed to maintain their speed regardless of the surface on which they were running.

    "On soft sand, the animals move their limbs in such a way that they don't create a yielding of the material on which they're walking," said Goldman. "That means the material doesn't flow around the limbs and they don't slip. The surprising thing to us was that the turtles had comparable performance when they were running on hard ground or soft sand."

    The key maintaining performance seemed to be the ability of the hatchlings to control their wrists, allowing them to change how they used their flippers under different sand conditions.

    "On hard ground, their wrists locked in place, and they pivoted about a fixed arm," Goldman explained. "On soft sand, they put their flippers into the sand and the wrist would bend as they moved forward. We decided to investigate this using a robot model."

    That led to development of FlipperBot, with assistance from Paul Umbanhowar, a research associate professor at Northwestern University. The robot measures about 19 centimeters in length, weighs about 970 grams, and has two flippers driven by servo-motors. Like the turtles, the robot has flexible wrists that allow variations in its movement. To move through a track bed filled with poppy seeds that simulate sand, the robot lifts its flippers up, drops them into the seeds, then moves the flippers backward to propel itself.

    Mazouchova, now a Ph.D. student at Temple University, studied many variations of gait and wrist position and found that the free-moving mechanical wrist also provided an advantage to the robot.

    "In the robot, the free wrist does provide some advantage," said Goldman. "For the most part, the wrist confers advantage for moving forward without slipping. The wrist flexibility minimizes material yielding, which disturbs less ground. The flexible wrist also allows both the robot and turtles to maintain a high angle of attack for their bodies, which reduces performance-impeding drag from belly friction."

    The researchers also noted that the robot often failed when limbs encountered material that the same limbs had already disturbed. That led them to re-examine the data collected on the hatchling turtles, some of which had also experienced difficulty walking across the soft sand.

    "When we saw the turtles moving poorly, they appeared to be suffering from the same failure mode that we saw in the robot," Goldman explained. "When they interacted with materials that had been previously disturbed, they tended to lose performance."

    Mazouchova and Goldman then worked with Umbanhowar to model the robot's performance in an effort to predict how the turtle hatchlings should respond to different conditions. The predictions closely matched what was actually observed, closing the loop between robot and animal.

    "The robot study allowed us to test how principles applied to the animals," Goldman said. While the results may not directly improve robot designs, what the researchers learned should contribute to a better understanding of the principles governing movement using flippers. That would be useful to the designers of robots that must swim through water and walk on land.

    "A multi-modal robot might need to use paddles for swimming in water, but it might also need to walk in an effective way on the beach," Goldman said. "This work can provide fundamental information on what makes flippers good or bad. This information could give robot designers clues to appendage designs and control techniques for robots moving in these environments."

    The research could ultimately provide clues to how turtles evolved to walk on land with appendages designed for swimming.

    "To understand the mechanics of how the first terrestrial animals moved, you have to understand how their flipper-like limbs interacted with complex, yielding substrates like mud flats," said Goldman. "We don't have solid results on the evolutionary questions yet, but this certainly points to a way that we could address these issues."

    This research has been supported by the National Science Foundation under grant CMMI-0825480 and the Physics of Living Systems PoLS program, the U.S. Army Research Laboratory's (ARL) Micro Autonomous Systems and Technology (MAST) Program under cooperative agreement W911NF-08-2-0004, the U.S. Army Research Office (ARO) and the Burroughs Wellcome Fund Career Award. Any conclusions are those of the authors and do not necessarily represent the official views of the NSF, ARL or ARO.

    Video: http://www.youtube.com/watch?v=CkHA3tL4z5U&feature=youtu.be

    Share this story on Facebook, Twitter, and Google:

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    Story Source:

    The above story is reprinted from materials provided by Georgia Institute of Technology, Research Communications. The original article was written by John Toon.

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


    Journal Reference:

    1. Nicole Mazouchova, Paul B. Umbanhowar and Daniel I. Goldman. Flipper-driven terrestrial locomotion of a sea turtle-inspired robot. Bioinspiration & Biomimetics, 2013

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

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

    Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_technology/~3/qkoK9zihsW0/130423211711.htm

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    Wednesday, April 24, 2013

    Dzhokhar Tsarnaev Admits to Boston Marathon Bombing, FBI Source Claims

    Source: http://www.thehollywoodgossip.com/2013/04/dzhokhar-tsarnaev-admits-to-boston-marathon-bombing-fbi-source-c/

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    BitTorrent Sync: Secure File Sync Between Computers Using P2P ...

    BitTorrent Sync, a free to use (but not open source) tool that can be used to automatically synchronize files between computers using the BitTorrent protocol, is now available for all as public alpha. The application runs on Linux, Windows, Mac OS X and NAS.

    The tool, which has been in closed alpha for the past four months, is advertised as "a simple tool that applies p2p protocol for direct live folder sync with maximum security, network speed and storage capacity".

    And indeed, BitTorrent Sync is a great way of syncing and sharing files between computers, even files that you usually wouldn't trust with cloud sync tools such as Dropbox: besides the files being transferred directly between the users (so your files don't end up on some cloud server), the connection is encrypted with a AES cypher and a 256-bit key created on the base of your Secret, a random 20 byte or more string. For increased security, there's also an option to generate a Secret that expires after a day.

    Basically, this peer-to-peer (p2p) sync tool can be compared with cloud sync services such as Dropbox or Ubuntu One, but no server is involved which also means that the sync can be faster than such services and there are no space restrictions (except your HDD). This also means the computers need to be online for the sync to work, obviously.


    Arch Linux users can install BitTorrent Sync via AUR.

    To use BitTorrent Sync (or "BtSync") on Linux, download and extract the binary for your architecture (Ubuntu users: use the "Linux i386" or "Linux x64" links on the left; don't download the "glib 2.3" binaries), extract it and to run it, simply type the following in a terminal (assuming you've extracted the "btsync" binary in your home folder):

    cd ./btsync

    To see a list of available options, type:
    ./btsync --help

    And if you want to stop BitTorrent Sync, use:
    killall btsync

    BitTorrent Sync doesn't come with a GUI for Linux, but it can be configured through a web interface so once you've started BtSync like we've explained above, open a web browser and enter the following URL: http://localhost:8888/gui/


    Now let's add a folder to sync. To do this, click "Add folder", then browse for a folder you want to sync and also click "Generate" to generate a Secret for this folder. Then click "Add" to add the folder:

    If you want to connect to other devices / synchronize a folder from a remote computer on your machine, follow the same steps as above, but instead of clicking "Generate" for the Secret, paste the Secret generated for the folder from the remote computer.


    On Linux, most of the settings aren't available in the web interface. Instead, you can run:
    ./btsync --dump-sample-config > sync.conf

    Which will create a new "sync.conf" file with a sample configuration file. Modify the settings in this file to suit your needs and then run BtSync using the following command (which will make BtSync use the newly created configuration file):

    ./btsync --config sync.conf

    For more on how to use BitTorrent Sync on Linux but also on Windows and Mac OS X, see the User Guide PDF file.

    Download BitTorrent Sync for Linux, Windows, Mac OS X and NAS.

    Source: http://www.webupd8.org/2013/04/bittorrent-sync-secure-file-sync.html

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    SpaceX's Grasshopper VTOL rocket triples its previous best with 840-foot hop (video)

    SpaceX's Grasshopper hops to 840 feet, triples its previous height record video

    If it were in Aesop's fable, SpaceX's Grasshopper would probably be the ant instead, as the reusable rocket's team haven't stopped working since the 10-story craft launched back in September. It just tripled its previous altitude mark of 263 feet by soaring to 840 feet, hovering a tick, then gently landing on the exact spot it took off, all while making it look easy. Head after the jump for a video of the whole affair, which was captured rather dramatically by the company's hexacopter.

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    Source: SpaceX (YouTube)

    Source: http://www.engadget.com/2013/04/23/spacexs-grasshopper-vtol-rocket-hops-to-840-feet/?utm_medium=feed&utm_source=Feed_Classic&utm_campaign=Engadget

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