Tuesday, January 31, 2012

Venezuelans line up to switch PIP breast implants

In this photo taken on Jan. 26, 2012, plastic surgeon Dr. Ignacio Sousa holds two PIP breast implants after they were removed from a patient at a clinic in Caracas, Venezuela. The yellow implant at right is broken. Thousands of women throughout Latin America are consulting their doctors, fearing health risks due to faulty silicone implants made by the now-defunct French company Poly Implant Prothese, or PIP. The scandal has hit Venezuela particularly hard. About 16,000 Venezuelans have the PIP implants, making the country the per-capita leader in Latin America. (AP Photo/Ariana Cubillos)

In this photo taken on Jan. 26, 2012, plastic surgeon Dr. Ignacio Sousa holds two PIP breast implants after they were removed from a patient at a clinic in Caracas, Venezuela. The yellow implant at right is broken. Thousands of women throughout Latin America are consulting their doctors, fearing health risks due to faulty silicone implants made by the now-defunct French company Poly Implant Prothese, or PIP. The scandal has hit Venezuela particularly hard. About 16,000 Venezuelans have the PIP implants, making the country the per-capita leader in Latin America. (AP Photo/Ariana Cubillos)

In this photo taken on Jan. 26, 2012, a plastic surgeon holds a broken PIP breast implant after it was removed from a patient at a clinic in Caracas, Venezuela. Thousands of women throughout Latin America are consulting their doctors, fearing health risks due to faulty silicone implants made by the now-defunct French company Poly Implant Prothese, or PIP. The scandal has hit Venezuela particularly hard. About 16,000 Venezuelans have the PIP implants, making the country the per-capita leader in Latin America. (AP Photo/Ariana Cubillos)

In this photo taken on Jan. 24, 2012, Sania Arroyo, 33, sits next to the two PIP breast implants that she had removed, during an interview in Caracas, Venezuela. The yellow implant at left is broken. Thousands of women throughout Latin America are consulting their doctors, fearing health risks due to faulty silicone implants made by the now-defunct French company Poly Implant Prothese, or PIP. The scandal has hit Venezuela particularly hard. About 16,000 Venezuelans have the PIP implants, making the country the per-capita leader in Latin America. (AP Photo/Ariana Cubillos)

In this photo taken on Jan. 24, 2012, Sania Arroyo, 33, shows the two PIP breast implants she had removed in Caracas, Venezuela. The yellow implant at left is broken and sits in a case. Thousands of women throughout Latin America are consulting their doctors, fearing health risks due to faulty silicone implants made by the now-defunct French company Poly Implant Prothese, or PIP. The scandal has hit Venezuela particularly hard. About 16,000 Venezuelans have the PIP implants, making the country the per-capita leader in Latin America. (AP Photo/Ariana Cubillos)

(AP) ? The office of plastic surgeon Ignacio Sousa is so packed that women are lined up outside the door. College students in their 20s, housewives in their 40s, middle-class office workers: nearly all are fearful that their breast implants may be leaking.

Thousands of women worldwide are consulting their doctors about health concerns that have sprung up since December due to faulty silicone breast implants made by the now-defunct French company Poly Implant Prothese, or PIP. In some cases, the implants filled with industrial-grade silicone have split open, prompting growing demand for their removal.

"It's like a snowball," said Sousa, who has been receiving dozens of patients every day since the news broke that French authorities recommended the implants be removed.

The scandal has hit beauty-obsessed Venezuela particularly hard. An estimated 16,000 Venezuelans have the implants, one of the highest figures among Latin American countries, along with much-larger Brazil, where about 20,000 women have PIP-made implants.

Breast enlargement surgery is common in Venezuela and has grown in popularity in recent years among middle-class women, thanks in part to low-interest loans offered by private clinics for the operations.

The PIP brand was used frequently until the implants were pulled from the market in 2010.

Like many of those affected in Venezuela, Sania Arroyo has struggled with the mounting medical bills. The 33-year-old bank employee and single mother managed to save about 20,000 bolivars, or $4,600, for surgery to replace the implants in January, scraping together nearly four times what she paid to have them inserted in 2007.

She suspected a problem with the implants when she felt a tingling pain under her left breast, and an ultrasound exam confirmed one had ruptured and was leaking silicone into her body.

She said the replacement implants feel more comfortable, but she's still apprehensive about them.

"I feel so much better now, although I still have the fear something similar could happen again," Arroyo said, holding a plastic case containing the ruptured implant and the yellowish silicone that leaked out.

PIP's silicone gel is transparent, but doctors say the substance often turns yellow when it comes in contact with body tissues.

Arroyo is one of 495 Venezuelans who are suing companies that sold the implants, demanding payment of medical costs.

Venezuela's government offered to remove the implants for free, but many women say they won't take up the offer because they prefer to have new implants and the government won't pay for them.

French authorities say an estimated 300,000 women have the implants worldwide, including more than 42,000 in Britain, more than 30,000 in France, 9,000 in Australia and 4,000 in Italy.

The implants were never approved for sale in the United States, but tens of thousands of pairs were sold in Latin America. In Colombia, for instance, the association of plastic surgeons says about 14,000 pairs of PIP implants were sold.

On a per-capita basis, Venezuela appears to lead Latin America in the number of breast implants. That's no surprise to most people in the country, where beauty pageants are a source of national pride and where some teenagers receive implants as birthday presents. Middle-class women sometimes set aside large portions of their salaries for the surgery.

An estimated 35,000 to 40,000 women undergo breast enlargement surgeries in Venezuela each year, and doctors say the numbers have been rising.

"Terror has certainly gripped patients who have the implants, but I don't believe the desire for breast enlargement surgery is going to diminish," said Gabriel Obayi, a surgeon who has been answering many emails from women concerned about health risks.

Like most surgeons in Venezuela, Obayi recommends that PIP implants eventually be removed but advises that surgery is not urgent in most cases.

Regardless of the brand, breast implants are known to break down over time and rupture in some cases.

The U.S. Food and Drug Administration banned silicone-gel type implants in 1992 amid fears they might cause cancer, lupus and other diseases. But in 2006 the agency returned the implants to the U.S. market after most studies failed to find a link between silicone breast implants and disease.

The FDA began an investigation last year into a possible link between implants and a very rare form of cancer, known as anaplastic large cell lymphoma. The agency said it had learned of about 60 cases of the disease worldwide among women with implants.

France's Health Safety Agency has said the suspect PIP implants appear to be more rupture-prone than other types, but officials have not specified why.

French health authorities have said they don't know enough about the health effects of the industrial-grade silicone in the faulty implants, and have recommended that women get them removed after the implants ruptured in more than 1,000 cases. The government has agreed to pay for the procedure.

Investigators in France say PIP sought to save money by using industrial silicone rather than the medical-grade variety.

Last week, French authorities filed preliminary charges against PIP's founder, Jean-Claude Mas, who according to his lawyer is under investigation for "involuntary injury." His company went into bankruptcy proceedings shortly after the government in 2010 pulled the implants from the market.

The scandal has left many women asking about the risks they may face, and doctors so far have limited answers.

"We don't know, neither in Venezuela nor Latin America, what percentage of PIP implants rupture," said Dr. Carlos Nieto, a surgeon and board member of the Venezuelan Society of Plastic and Reconstructive Surgery.

It's also unclear how many women have had the implants removed so far.

In Argentina, about 300 women are negotiating with private clinics and a local distributor, Pro Estetica, demanding the defective implants be replaced for free, said attorney Virgina Luna, who represents the group.

Gabriela Febres, a 30-year-old financial analyst in Caracas, has joined the legal case against Venezuelan distributors. She suspects she needs to have surgery soon because her right breast has been hurting for weeks.

"This affects you in so many ways: your job, your finances and your psychological state," Febres said. "The uncertainty is the worst."

____

Associated Press writers Almudena Calatrava in Buenos Aires, Argentina, Stan Lehman in Sao Paulo, Brazil, Cesar Garcia in Bogota, Colombia, and Angela Charlton and Jamey Keaten in Paris, as well as AP Medical Writer Maria Cheng in London contributed to this report.

___

Christopher Toothaker on Twitter: http://twitter.com/ctoothaker

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/bbd825583c8542898e6fa7d440b9febc/Article_2012-01-31-LT-Latin-America-Breast-Implants/id-b30d8c07b2cc45549f7bb2f70c63b43e

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Canon's president steps down as earnings outlook falters (Reuters)

TOKYO (Reuters) ? Canon Inc said on Monday its president Tsuneji Uchida would step down and his role would be taken on by chairman and chief executive Fujio Mitarai after the camera and printer maker forecast much weaker-than-expected earnings growth for this year.

Like other Japanese exporters, Canon, which makes 80 percent of its revenue overseas, has been buffeted by the strong yen, a weak economic outlook and the floods in Thailand, although it has been quite aggressive in countering these challenges by cutting costs and increasing automation.

"Owing to the historically high valuation of the yen combined with the effects of the earthquake and floods, all of Canon's businesses faced extremely demanding conditions throughout the year," the company said in a statement.

Canon said Uchida would resign effective March 29, to be replaced by Mitarai, who served as president from 1995 to 2006 but has since held the post of chairman.

Canon forecast a full-year operating profit of 390 billion yen ($5.1 billion) for the current year to December 2012, below expectations of a 470 billion yen profit based on the average of 20 estimates by analysts surveyed by Thomson Reuters I/B/E/S.

The company also posted a slightly better-than-forecast 14 percent rise in fourth-quarter operating profit to 94.6 billion yen, in line with consensus expectations.

Operating profit for the full year to December was 378.1 billion yen, down from 387.5 billion yen in the previous year but beating the average of 20 analyst forecasts for a profit of 372 billion yen.

Canon, which competes with Xerox in printers and Nikon and Sony Corp in cameras, aims to sell 9.2 million interchangeable lens cameras and 22 million compact cameras in the year to December, compared with 7.2 million and 18.7 million, respectively, last year.

Its shares have fallen about 18 percent since the start of last year, slightly worse than the benchmark Nikkei average's 14 percent drop.

Xerox lowered its outlook for 2012 this month, on expectations that the debt crisis in Europe would hurt its business.

($1 = 76.67 yen)

(Reporting by Isabel Reynolds; Editing by Muralikumar Anantharaman and Edwina Gibbs)

Source: http://us.rd.yahoo.com/dailynews/rss/personaltech/*http%3A//news.yahoo.com/s/nm/20120130/bs_nm/us_canon_results

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Rapper Cory Gunz Tweets Apology After Gun Arrest

Rapper Cory Gunz Tweets Apology After Gun Arrest

Rapper Cory Gunz has issued an apology to his fans for letting them down following his arrest this weekend for gun possession. The Young Money [...]

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Monday, January 30, 2012

Iran vows to stop "some" oil sales as inspectors visit (Reuters)

TEHRAN (Reuters) ? Iran sent conflicting signals in a dispute with the West over its nuclear ambitions, vowing to stop oil exports soon to "some" countries but postponing a parliamentary debate on a proposed halt to crude sales to the European Union.

The Islamic Republic declared itself optimistic about a visit by U.N. nuclear experts that began Sunday but also warned the inspectors to be "professional" or see Tehran reducing cooperation with the world body on atomic matters.

Lawmakers have raised the possibility of turning the tables on the EU which will implement its own embargo on Iranian oil by July as it tightens sanctions on Tehran over the nuclear program.

But India, the world's fourth-largest oil consumer, said it would not take steps to cut petroleum imports from Iran despite U.S. and European sanctions against Tehran.

The International Atomic Energy Agency (IAEA) inspection delegation will try to advance efforts to resolve a row about the nuclear work which Iran says is purely civilian but the West suspects is aimed at seeking a nuclear weapon.

Tension with the West rose this month when Washington and the EU imposed the toughest sanctions yet in a drive to force Tehran to provide more information on its nuclear program. The measures take direct aim at the ability of OPEC's second biggest Oil exporter to sell its crude.

In a remark suggesting Iran would fight sanctions with sanctions, Iran's oil minister said the Islamic state would soon stop exporting crude to "some" countries.

Rostam Qasemi did not identify the countries but was speaking less than a week after the EU's 27 member states agreed to stop importing crude from Iran from July 1.

"Soon we will cut exporting oil to some countries," the state news agency IRNA quoted Qasemi as saying.

India, a major customer for Iranian crude, made clear it would not join the wider international efforts to put pressure on Tehran by cutting oil purchases.

"It is not possible for India to take any decision to reduce the imports from Iran drastically, because among the countries which can provide the requirement of the emerging economies, Iran is an important country amongst them," Finance Minister Pranab Mukherjee told reporters on a visit to the Unites States.

The United States wants buyers in Asia, Iran's biggest oil market, to cut imports to put further pressure on Tehran.

DISCUSSION POSTPONED

Iranian lawmakers had been due to debate a bill Sunday that could have cut off oil supplies to the EU in days, in a move calculated to hit ailing European economies before the EU-wide ban on took effect.

But Iranian MPs postponed discussing the measure.

"No such draft bill has yet been drawn up and nothing has been submitted to the parliament. What exists is a notion by the deputies which is being seriously pursued to bring it to a conclusive end," Emad Hosseini, spokesman for parliament's Energy Committee, told Mehr news agency.

Iranian officials say sanctions have had no impact on the country. "Iranian oil has its own market, even if we cut our exports to Europe," Oil Minister Qasemi said.

Another lawmaker said the bill would oblige the government to cut Iran's oil supplies to the EU for five to 15 years, the semi-official Fars news agency reported.

By turning the sanctions back on the EU, lawmakers hope to deny the bloc a six-month window it had planned to give those of its members most dependent on Iranian oil - including some of the most economically fragile in southern Europe - to adapt.

NUCLEAR WATCHDOG

Before departing from Vienna, IAEA Deputy Director General Herman Nackaerts said he hoped Iran would tackle the watchdog's concerns "regarding the possible military dimensions of Iran's nuclear program."

Mehr quoted Foreign Minister Ali Akbar Salehi as saying during a trip to Ethiopia: "We are very optimistic about the outcome of the IAEA delegation's visit to Iran ... Their questions will be answered during this visit."

"We have nothing to hide and Iran has no clandestine (nuclear) activities."

Striking a sterner tone, Iran's parliament speaker, Ali Larijani, warned the IAEA team to carry out a "logical, professional and technical" job or suffer the consequences.

"This visit is a test for the IAEA. The route for further cooperation will be open if the team carries out its duties professionally," said Larijani, state media reported.

"Otherwise, if the IAEA turns into a tool (for major powers to pressure Iran), then Iran will have no choice but to consider a new framework in its ties with the agency."

Iran's parliament has approved bills in the past to oblige the government to review its level of cooperation with the IAEA. However, Iran's top officials have always underlined the importance of preserving ties with the watchdog body.

The head of the state-run National Iranian Oil Company (NIOC) said late Saturday that the export embargo would hit European refiners, such as Italy's Eni, that are owed oil from Iran as part of long-standing buy-back contracts under which they take payment for past oilfield projects in crude.

The EU accounted for 25 percent of Iranian crude oil sales in the third quarter of 2011. However, analysts say the global oil market will not be overly disrupted if parliament votes for the bill that would turn off the oil tap for Europe.

Potentially more disruptive to the world oil market and global security is the risk of Iran's standoff with the West escalating into military conflict.

Iran has repeatedly said it could close the vital Strait of Hormuz shipping lane if sanctions succeed in preventing it from exporting crude, a move Washington said it would not tolerate.

(Additional reporting by Hashem Kalantari, Robin Pomeroy and Hossein Jaseb in Tehran, Svetlana Kovalyova in Milan and Fredrik Dahl in Vienna; Writing by Parisa Hafezi and Robin Pomeroy; Editing by William Maclean and David Stamp)

Source: http://us.rd.yahoo.com/dailynews/rss/world/*http%3A//news.yahoo.com/s/nm/20120129/wl_nm/us_iran

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Astronomers solve mystery of vanishing electrons

Monday, January 30, 2012

UCLA researchers have explained the puzzling disappearing act of energetic electrons in Earth's outer radiation belt, using data collected from a fleet of orbiting spacecraft.

In a paper published today in the journal Nature Physics, the team shows that the missing electrons are swept away from the planet by a tide of solar wind particles during periods of heightened solar activity.

"This is an important milestone in understanding Earth's space environment," said lead study author Drew Turner, an assistant researcher in the UCLA Department of Earth and Space Sciences and a member of UCLA's Institute for Geophysics and Planetary Physics (IGPP). "We are one step closer towards understanding and predicting space weather phenomena."

During powerful solar events such as coronal mass ejections, parts of the magnetized outer layers of sun's atmosphere crash onto Earth's magnetic field, triggering geomagnetic storms capable of damaging the electronics of orbiting spacecraft. These cosmic squalls have a peculiar effect on Earth's outer radiation belt, a doughnut-shaped region of space filled with electrons so energetic that they move at nearly the speed of light.

"During the onset of a geomagnetic storm, nearly all the electrons trapped within the radiation belt vanish, only to come back with a vengeance a few hours later," said Vassilis Angelopoulos, a UCLA professor of Earth and space sciences and IGPP researcher.

The missing electrons surprised scientists when the trend was first measured in the 1960s by instruments onboard the earliest spacecraft sent into orbit, said study co-author Yuri Shprits, a research geophysicist with the IGPP and the departments of Earth and space sciences, and atmospheric and oceanic sciences.

"It's a puzzling effect," he said. "Oceans on Earth do not suddenly lose most of their water, yet radiation belts filled with electrons can be rapidly depopulated."

Even stranger, the electrons go missing during the peak of a geomagnetic storm, a time when one might expect the radiation belt to be filled with energetic particles because of the extreme bombardment by the solar wind.

Where do the electrons go? This question has remained unresolved since the early 1960s. Some believed the electrons were lost to Earth's atmosphere, while others hypothesized that the electrons were not permanently lost at all but merely temporarily drained of energy so that they appeared absent.

"Our study in 2006 suggested that electrons may be, in fact, lost to the interplanetary medium and decelerated by moving outwards," Shprits said. "However, until recently, there was no definitive proof for this theory."

To resolve the mystery, Turner and his team used data from three networks of orbiting spacecraft positioned at different distances from Earth to catch the escaping electrons in the act. The data show that while a small amount of the missing energetic electrons did fall into the atmosphere, the vast majority were pushed away from the planet, stripped away from the radiation belt by the onslaught of solar wind particles during the heightened solar activity that generated the magnetic storm itself.

A greater understanding of Earth's radiation belts is vital for protecting the satellites we rely on for global positioning, communications and weather monitoring, Turner said. Earth's outer radiation belt is a harsh radiation environment for spacecraft and astronauts; the high-energy electrons can penetrate a spacecraft's shielding and wreak havoc on its delicate electronics. Geomagnetic storms triggered when the oncoming particles smash into Earth's magnetosphere can cause partial or total spacecraft failure.

"While most satellites are designed with some level of radiation protection in mind, spacecraft engineers must rely on approximations and statistics because they lack the data needed to model and predict the behavior of high-energy electrons in the outer radiation belt," Turner said.

During the 2003 "Halloween Storm," more than 30 satellites reported malfunctions, and one was a total loss, said Angelopoulos, a co-author of the current research. As the solar maximum approaches in 2013, marking the sun's peak activity over a roughly 11-year cycle, geomagnetic storms may occur as often as several times per month.

"High-energy electrons can cut down the lifetime of a spacecraft significantly," Turner said. "Satellites that spend a prolonged period within the active radiation belt might stop functioning years early."

While a mechanized spacecraft might include multiple redundant circuits to reduce the risk of total failure during a solar event, human explorers in orbit do not have the same luxury. High-energy electrons can punch through astronauts' spacesuits and pose serious health risks, Turner said.

"As a society, we've become incredibly dependent on space-based technology," he said. "Understanding this population of energetic electrons and their extreme variations will help create more accurate models to predict the effect of geomagnetic storms on the radiation belts."

Key observational data used in this study was collected by a network of NASA spacecraft known as THEMIS (Time History of Events and Macroscale Interactions during Substorms); Angelopoulos is the principal investigator of the THEMIS mission. Additional information was obtained from two groups of weather satellites called POES (Polar Operational Environmental Satellite) and GOES (Geostationary Operational Environmental Satellite).

A new collaboration between UCLA and Russia's Moscow State University promises to paint an even clearer picture of these vanishing electrons. Slated for launch in the spring of 2012, the Lomonosov spacecraft will fly in low Earth orbit to measure highly energetic particles with unprecedented accuracy, said Shprits, the principal investigator of the project. Several key instruments for the mission are being developed and assembled at UCLA.

Earth's radiation belts were discovered in 1958 by Explorer I, the first U.S. satellite that traveled to space.

"What we are studying was the first discovery of the space age," Shprits said. "People realized that launches of spacecraft didn't only make the news, they could also make scientific discoveries that were completely unexpected."

###

University of California - Los Angeles: http://www.newsroom.ucla.edu

Thanks to University of California - Los Angeles for this article.

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Source: http://www.labspaces.net/117164/Astronomers_solve_mystery_of_vanishing_electrons

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Wild homes of the future that are on the market now

We may not have flying cars yet, but a new residential construction project going up in Sunny Isles Beach, Fla., may make you think otherwise.

The Porsche Design Tower will feature an elevator to lift owners ? and their cars ? to their front doors in seconds. A co-production of developer Dezer Properties and Porsche Design Group, the retail-oriented spin-off company of the luxury German carmaker, it will be the first residential project affiliated with the Porsche name. These car-friendly condos will range from $2.9 million to $9 million.

?You will drive into the building, onto the elevator ramp, shut the ignition off and be magically whisked to the front door of your apartment in 45 seconds to a minute and 15 seconds depending on what floor you?re on,? explains Gil Dezer, president of Dezer Properties. The elevator will cover all 57 floors and include technology that automatically identifies the car and the unit owner once both are on board.

Forbes.com slideshow: See some futuristic homes that are for sale

It?s just one example of how modern design aesthetics have coupled with technology to birth innovative, cutting-edge homes that not so long ago would have been reserved only for the sets of films like "Minority Report" (or TV shows like "The Jetsons").

We rounded up a selection of futuristic abodes that challenge traditional McMansion layouts. Some are relatively new homes designed with green living in mind while others are the decades-old brick and mortar visions of celebrated artists. Realtor.com, Zillow.com, Coldwell Banker Previews International, Sotheby?s International Realty and others helped us sort through listings to handpick the sleekest, most avant-garde, in some cases zaniest, homes on the market. They conjure images of science fiction lore, and in many cases, have actually been rented out by movie and television studios for that express reason.

Perhaps not surprisingly, many architecturally famous homes fall into this category. For example, the Gantert Residence, also known as ?Case Study House #22,? graces our list. Constructed in the early 1980s, it was the last Pierre Koenig house constructed while the architect was still alive. The $2.3 million Los Angeles residence with its boxy upper floors and cantilevered base gives the impression of a residence floating, appearing ?as a giant Cubist sculpture from Hollywood Boulevard,? according to its listing.

California has many ultra-modern abodes up for grabs, particularly in Southern California. ?The trend in real estate right now is demand for contemporary homes,? says Chad Rogers, a real estate agent with Hilton & Hyland in L.A. (and formerly one of the stars on Bravo?s TV show "Million Dollar Listing"), noting that many of the most modern-looking structures tend to be "smart homes," fitted to be energy efficient, as well. ?People want easy living and these properties afford that: clean lines and open space so you can move about your house without having to go through a bunch of rooms.?

Rogers, who has listed a smattering of futuristic properties including a $9.5 million Malibu eco-estate, currently represents a $10 million Hollywood Hills mansion forged of steel, glass and concrete. The 10,000-square foot structure was built originally as an art gallery with live-in space. In addition to the stone display-ready walls, it boasts a home theater, a pool and 12-person spa, a koi pond and a detached guesthouse. The kitchen is comprised almost entirely of stainless steel, designed by Porsche Design Group.

?These concrete and steel properties are the most expensive type of architecture to build,? says Rogers, noting that foreign investors have shown much buying interest in ultra-modern estates. ?To duplicate a property like this you?re looking at a minimum of $1,500 per square foot to do it.?

Constructing architecturally outrageous homes can rack up costs. Take the Pottery House in Santa Fe, N.M. Originally the brainchild of Frank Lloyd Wright, the adobe dwelling?s construction was resuscitated in the 1980s by a developer eager to complete the project that had been designed by the famed late architect but never finished (the original owner had passed away). The builder reportedly ran out of money mid-construction and with no buyer in sight, the bank assumed ownership. Eventually the current owners bought the foreclosed estate, which is now listed for $4.75 million, and finished it.

The Pottery House?s design hinges on concentric circles. About 24,000 adobe bricks make up the structure and Scandinavian ship builders were actually brought in to craft the ceiling. ?It has a sort of mystique. Prior to listing, this house seemed more like a local rumor,? says David Fries, an associate broker with Santa Fe Properties and the listing agent for the Pottery House. It had remained quietly tucked away behind multiple gates in an anonymous subdivision. ?Even if someone could get their hands on the address, it no longer really relates to where it?s located since no one could really find the place without directions and gate codes.?

Fries and Rogers both think their listings will ultimately sell to affluent buyers who collect art or at least appreciate architecture as an art form. Some of the homes on our list will require buyers to appreciate geometry as well. A $19.5 million Vermilion, Ohio, spread called the Waterwood Estate is comprised of a series of triangular and rectangular buildings parsed together along the shore of Lake Erie. In Crystal Bay, Nev., a $43 million Dr. Seuss-esque house touts walls of glass, a glass elevator, a six-story glass stairwell and hidden garden rooms, all suspended off the edge of a promontory.

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Source: http://www.msnbc.msn.com/id/45987986/ns/business-us_business/

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Thousands rally for Putin in Russian industrial belt (Reuters)

YEKATERINBURG, Russia (Reuters) ? Thousands of supporters of Russian Prime Minister Vladimir Putin rallied on Saturday to back his bid to return to the Kremlin, a week before what are likely to be far larger opposition protests to demand greater political choice.

Police said around 10,000 people gathered in Yekaterinburg, Russia's fourth-largest city, with many brought on buses and trains from outlying towns in the Urals industrial belt to back Putin before the March 4 presidential vote.

Putin enjoys strong support in many Russian regions, but faces criticism from the urban middle class, especially in Moscow and St Petersburg. Effectively excluded from mainstream politics, middle class Russians have taken to the Internet to call for sweeping electoral reform.

Tens of thousands people from different parties and others, unaffiliated to any political organization, are expected to take part in a protest march on Feb 4 to press "For fair elections" in Moscow, which was approved by the city's authorities.

Tens of thousands protested in Moscow and other cities in December calling for a December 4 parliamentary election to be re-run, alleging the ruling United Russia party's victory was achieved through widespread ballot fraud.

In Yekaterinburg, demonstrators held placards with slogans such as 'We are for a stable tomorrow', swayed to pop music and enjoyed free food and drink.

"Buses were laid on for us at the factory, we saw lists in advance of those who would go to the rally," said Andrei Mandure, a worker at a chemical plant in the town of Lesnoy, a closed facility during the Soviet era. Putin did not attend the rally.

Public-sector workers were also out in the city's railway station square. One, a 59-year-old kindergarten worker who gave her name as Yevgeniya, told Reuters her boss had instructed her to attend.

Putin, president from 2000-08, is aiming to secure a further six-year term in March. He holds a clear lead in opinion polls, with Communist Gennady Zyuganov running a distant second.

The exclusion of liberal Grigory Yavlinsky from the slate on a technicality has further angered the opposition, which says the Kremlin has allowed billionaire Mikhail Prokhorov to run to capture protest votes without posing a threat to Putin.

"There are no good candidates. Yavlinsky was banned ... (so) who else if not Putin?" said Sergei, a 46-year old from Kirovgrad, when asked who he would vote for in March.

(Writing by Andrey Ostroukh; Editing by Douglas Busvine and Ben Harding)

Source: http://us.rd.yahoo.com/dailynews/rss/europe/*http%3A//news.yahoo.com/s/nm/20120128/wl_nm/us_russia_putin_rally

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PFT: Lions fear Best's career is over

ROETHLISBERGER ROONEYAP

So why is Steelers quarterback Ben Roethlisberger planning to park his rear end on the other side of Art Rooney?s desk and ask hard questions about the future of the offense?

It could be that Roethlisberger wants to ensure that quarterbacks coach Randy Fichtner replaces Bruce Arians as the next offensive coordinator of the Steelers.

?When I get back, I?m going to go up to Mr. Rooney?s office and ask him what he wants from me, what he wants from this offense, because I think that?s a viable question for him,? Roethlisberger said recently.? ?He?s our owner and our boss, so I really would like to know kind of what he wants and where he sees our offense going because I?d like to tell him where I see us going.?

Roethlisberger surely sees the offense going toward Fichtner, who has joined Ben in Hawaii for the Pro Bowl and who has worked with the quarterback since 2007, when coach Mike Tomlin hired him.? Fichtner previously ran a spread offense at Memphis, and Peter King explained last night on NBC SportsTalk that Fichtner was instrumental in helping Roethsliberger reintegrate into the roster after a four-game suspension to start the 2010 season.

And so the deeper question is whether Rooney wants to change the offense, or whether he simply wanted to change the coordinator.? If it was a matter of dumping Bruce Arians and promoting Fichtner, the move probably would have happened by now.

Some may wonder why Rooney would possibly want to retreat to a more traditional Steelers attack ? play great defense, run the ball extensively, and pass selectively not extensively.? That would seem to be an unusual decision, given the presence of three very good young receivers:? Mike Wallace, 2011 team MVP Antonio Brown, and Emmanuel Sanders.

But here?s the thing.? Receivers who catch a lot of passes eventually command a lot of money.? So if the Steelers continue to stretch the field, it could force them to stretch their wallet and/or salary cap in order to keep the pieces in place.? Competent running backs, generally speaking, are much cheaper, more interchangeable, and far easier to find.

Rooney offered no concrete clues during a recent interview with Steelers Digest editor Bob Labriola when commenting on the fact that the two Super Bowl teams have quarterbacks who passed for more than 10,000 yards combined this season and defenses that landed near the bottom of the league.

?There?s no question the league is changing and the league?s always evolving,? Rooney said.? ?And there?s no doubt that I think we?ve seen quarterback play in general this year at maybe the highest level we?ve ever seen it, from a number of players.? And so number one I think we?re fortunate to have a lot of very good quarterbacks in the league right now.? Number two, the rules have changed to allow more prolific passers.? And so I think that?s what we?re looking for for our quarterback, to be up there with the elite quarterbacks and to have that kind of production.? And so I think you have to recognize all those facts.

?The other side of the coin is I think if you look at these playoffs so far, we?re not seeing teams scoring 30 and 40 points a game.? And so I think you have to remember what playoff football is all about.? Defense still is a big part of the game.? And the games that we?ve seen for far in the playoffs, the defenses have made big plays.? And as I say, the scoring has been fairly consistent with past playoffs.? And so I think the game is evolving, but maybe not to the degree that some people would like to play it.?

Apart from the fact that the Giants scored 37 at Lambeau Field and the Pats scored 45 against the Broncos, who scored one point less than 30 against the Steelers, and the 49ers and Saints combined for 68 points and the Saints and Lions cominbed for 73 points, Rooney seems to be struggling to reconcile the recent explosion in offense with the time-honored notion that defense wins championships.

Of course, there?s also a chance that Rooney wants to continue to stretch the field, but that he doesn?t believe Fichtner is the right guy to orchestrate the attack.? Either way, these decisions about the future of the Steelers offense seem to be coming not from the top of the coaching staff, but from the top of the organization.? And it?ll be interesting to see whether Roethlisberger likes what he hears when he plops his caboose in Art Rooney?s office.

Source: http://profootballtalk.nbcsports.com/2012/01/28/report-many-in-lions-organization-fear-that-jahvid-bests-career-is-over/related/

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Friday, January 27, 2012

BlackBerry Curve 9360 review

The BlackBerry Curve 8300 emerged as one of the best smartphone ideas of 2007. It pre-dated the first Android handset by a full year, and unlike the original iPhone, it was priced within reach of the average consumer. It introduced the masses to the possibilities of a connected and capable handset, and was the primary catalyst for the BlackBerry's meteoric rise to household name. With each subsequent iteration, however, the Curve remained a handset geared toward first-time smartphone buyers, and that axiom feels particularly true today.

We're now presented with the Curve 9360 ($29.99, on contract), a device that's ostensibly hobbled in order to differentiate itself from RIM's higher-end offerings, most notably the Torch 9810 ($49), Torch 9860 ($99) and Bold 9900 ($199). Specifically, we refer to its lack of a touchscreen. The omission will certainly be a deal-breaker for some, but whether it causes the market to reject it as a whole remains unknown. For our part, we're most interested in the impact on the handset's usability and its relevance in an increasingly competitive environment. In other words, has RIM included enough improvements to keep its Curve franchise afloat, or will this iteration sink like a stone? Join us after the break, as we delve into the Curve 9360 and explore these finer details.

Continue reading BlackBerry Curve 9360 review

BlackBerry Curve 9360 review originally appeared on Engadget on Thu, 26 Jan 2012 12:00:00 EDT. Please see our terms for use of feeds.

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Obama's populist pitch unifies House Democrats (AP)

CAMBRIDGE, Md. ? President Barack Obama's populist election-year pitch and middle-class message have unified House Democrats. The bitter divisions among Republican White House hopefuls have helped bring them together, too.

"Long may it last," said Rep. Rob Andrews, D-N.J., on the prospect of a drawn-out, bare-knuckle GOP nomination fight between top candidates Mitt Romney and Newt Gingrich.

House Democrats, who gathered for their annual three-day retreat on Maryland's Eastern Shore, echoed many of the themes from Obama's State of the Union speech on economic fairness, boosting manufacturing and helping middle-class Americans, a reflection of campaign messaging and a recognition that their fate is inextricably linked to the president. They held a series of closed-door sessions on strategy for the coming year and later spoke to reporters.

Obama and Vice President Joe Biden will address the group on Friday. It's a more upbeat Democratic caucus than the one Obama encountered last year when backbiting and frustration split Democrats after a thrashing in the November 2010 midterm elections.

Being out of power for a year will do that. So will a week in which Democrats saw some positive signs, from Obama's address to polls showing more voters think the country is on the right track, to a daring hostage rescue of an American in Somalia. Signs of an economic rebound are prevalent; Commerce Secretary John Bryson told the Democrats that of the 3 million new jobs, 300,000 were in manufacturing.

As for the Democrats' own finances, the Democratic Congressional Campaign Committee raised more than $61 million last year and has $11.6 million cash on hand. It also eliminated a lingering debt.

"It's the first time I've seen Democrats this united," said Rep. Barbara Lee, D-Calif.

That unity will be tested by months of campaigning and legislative fights as well as clear signals from Obama that he will run against Congress.

While Democrats talked about message, Obama was on a three-day, five-state swing that included a stop in Aurora, Colo., where he told the crowd, "We're not going to wait for Congress," on some issues such as producing clean energy to power 3 million homes. He made similar arguments in his speech.

Democratic leaders said Obama should run against a "do-nothing Congress" to highlight for American voters how Republicans have obstructed his agenda. Yet that kind of campaign strategy could be equally damaging to Democrats, who hold 191 seats in the House and control the Senate by a narrow margin, 51-47, plus two independents who generally vote with them. Public approval ratings for Congress have hit all-time lows, dipping to the teens. Voters easily could send scores of members from both parties packing in November.

Republicans signaled they have a ready response to the White House strategy.

"The president can blame anyone he wants, but it won't change the fact that this year will be a referendum on his economic record," said Kevin Smith, a spokesman for House Speaker John Boehner, R-Ohio.

For now, Democrats will press ahead with an agenda and rhetoric that mirrors Obama's.

In his State of the Union speech, Obama called for requiring millionaires to pay at least 30 percent in taxes, the so-called Buffett rule, named after a recommendation by billionaire financier Warren Buffett, who benefits from a low 15 percent tax rate on investments, that he be required to pay a higher rate than his secretary. The president also pleaded for legislation that rewards companies that create jobs in the United States instead of shipping them overseas.

Senate Democrats said this week they will move ahead this year with legislation.

Obama also said he would sign a bill that would ban lawmakers from buying and selling stock based on insider information. Senate Democrats signaled they would consider a bill next week.

House Republicans, not Democrats, have the final say on what legislation comes to the floor. Still, House Democrats say the messaging is in sync.

"I think that's led to a real spirit of optimism for the election," Andrews said. "A realistic spirit but an optimistic one."

Democrats face a tough challenge in recapturing the House as Republicans have shored up their vulnerable lawmakers through redistricting. The GOP scoffs at the notion that Democrats can win the 25 seats necessary to take control.

Still, in a sign of Democratic boldness, Rep. Jan Schakowsky, D-Ill., sported a button that said "Thanks Obamacare," the derisive shorthand that Republicans use to describe the president's overhaul of the health care system.

Schakowsky said there may come a time when "Obamacare might be up there with Social Security."

Source: http://us.rd.yahoo.com/dailynews/rss/politics/*http%3A//news.yahoo.com/s/ap/20120127/ap_on_go_co/us_house_democrats

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NASA's NuSTAR ships to Vandenberg for March 14 launch

ScienceDaily (Jan. 25, 2012) ? NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, shipped to Vandenberg Air Force Base, Calif., on Tuesday, to be mated to its Pegasus launch vehicle. The observatory will detect X-rays from objects ranging from our sun to giant black holes billions of light-years away. It is scheduled to launch March 14 from an aircraft operating out of Kwajalein Atoll in the Marshall Islands.

"The NuSTAR mission is unique because it will be the first NASA mission to focus X-rays in the high-energy range, creating the most detailed images ever taken in this slice of the electromagnetic spectrum," said Fiona Harrison, the mission's principal investigator at the California Institute of Technology in Pasadena, Calif.

The observatory shipped from Orbital Sciences Corporation in Dulles, Va., where the spacecraft and science instrument were integrated. It is scheduled to arrive at Vandenberg on Jan. 27, where it will be mated to the Pegasus, also built by Orbital, on Feb. 17.

The mission will be launched from the L-1011 "Stargazer" aircraft, which will take off near the equator from Kwajalein Atoll in the Pacific. NuSTAR and its Pegasus will fly from Vandenberg to Kwajalein attached to the underside of the L-1011, and are scheduled to arrive on March 7.

On launch day, after the airplane arrives at the planned drop site over the ocean, the Pegaus will drop from the L-1011 and carry NuSTAR to an orbit around Earth.

"NuSTAR is an engineering achievement, incorporating state-of-the-art high-energy X-ray mirrors and detectors that will enable years of astronomical discovery," said Yunjin Kim, the mission's project manager at NASA's Jet Propulsion Laboratory in Pasadena.

NuSTAR's advanced telescope consists of two sets of 133 concentric shells of mirrors, which were shaped from flexible glass similar to that found in laptop screens. Because X-rays require large focusing distances, or focal lengths, the telescope has a lengthy 33-foot (10-meter) mast, which will unfold a week after launch.

These and other advances in technology will enable NuSTAR to explore the cosmic world of high-energy X-rays with much improved sensitivity and resolution over previous missions. During its two-year primary mission, NuSTAR will map the celestial sky in X-rays, surveying black holes, mapping supernova remnants, and studying particle jets travelling away from black holes near the speed of light.

NuSTAR also will probe the sun, looking for microflares theorized to be on the surface that could explain how the sun's million-degree corona, or atmosphere, is heated. It will even test a theory of dark matter, the mysterious substance making up about one-quarter of our universe, by searching the sun for evidence of a hypothesized dark matter particle.

"NuSTAR will provide an unprecedented capability to discover and study some of the most exotic objects in the universe, from the corpses of exploded stars in the Milky Way to supermassive black holes residing in the hearts of distant galaxies," said Lou Kaluzienski, NuSTAR program scientist at NASA Headquarters in Washington.

NuSTAR is a small-explorer mission managed by JPL for NASA's Science Mission Directorate. The spacecraft was built by Orbital Sciences Corporation. Its instrument was built by a consortium including Caltech, JPL, Columbia University, New York, N.Y., NASA's Goddard Space Flight Center in Greenbelt, Md., the Danish Technical University in Denmark, the University of California, Berkeley, and ATK-Goleta. NuSTAR will be operated by U.C. Berkeley, with the Italian Space Agency providing its equatorial ground station located at Malindi, Kenya. NASA's Explorer Program is managed by Goddard. JPL is managed by Caltech for NASA.

For more information, visit http://www.nasa.gov/nustar and http://www.nustar.caltech.edu/ .

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

Source: http://www.sciencedaily.com/releases/2012/01/120125160405.htm

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Obama Has Tense Exchange with Brewer (Taegan Goddard's Political Wire)

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Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/191763601?client_source=feed&format=rss

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Thursday, January 26, 2012

Holiday sales boost Apple profits to $1 billion a week

Story updated 3:50 a.m. ET: The iPhone accounts for more than half Apple's revenue for the first time, the Associated Press reports. Though Apple has other hit products, like MacBooks and the iPad, they can't keep up with the iPhone, whose sales more than doubled over last year from an already high level and accounted for 53 percent of Apple's revenue in the quarter.
Story published 5:00 p.m. ET: Apple Inc. Tuesday reported quarterly profits of $1 billion a week for its latest quarter, blowing past Wall Street expectations on robust holiday sales of its iPhones and iPads.

The consumer electronics giant posted earnings of $13 billion, or $13.87 per share, more than double the $6 billion, or $6.43 per share, a year ago. Analysts polled by FactSet were expecting earnings of $10.04 per share for the fiscal first quarter.

Apple's quarterly revenue of just over $46 billion handily beat the average Wall Street analyst estimate of $39 billion, according to Thomson Reuters I/B/E/S.

?We?re thrilled with our outstanding results and record-breaking sales of iPhones, iPads and Macs,? said Tim Cook, Apple?s CEO. ?Apple?s momentum is incredibly strong, and we have some amazing new products in the pipeline.?

Apple says it sold 37 million iPhones in the quarter, double the figure of the previous quarter, refelcting the introduction of the new iPhone 4s.? Apple sold 15 million iPads, compared with 11 million in the previous quarter.

Together iPhones and iPads accounted for more than $33 billion of the company's total $46 billlion in revenue.

"Apple's results were tremendous and the company continues to distance itself from industry peers," said Bill Kreher, an analyst at Edward Jones. "Just the magnitude of the iPhone beat is very impressive."

Apple shares, already trading near record levels, jumped 9 percent in after-hours trading on the earnings news.

"It's a monster quarter," said Colin Gillis, an analyst at BGC Financial. "Their guidance is strong too, it's a holiday quarter. There's just a worldwide demand for Apple products."

"Going into 2012 I expect strength of iPhone, iPod Touch and iPad should carry on into the year. said Hendi Susanto of Gabelli & Co. "Apple still has some tailwind including opening up new retail stores and expanding its distribution channels."

Story: Why Apple says it can't build an iPhone in the US

Reuters and The Associated Press contributed to this story.

Source: http://www.msnbc.msn.com/id/46121303/ns/business-us_business/

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Fire badly damages 19th century church in Ukraine (AP)

KIEV, Ukraine ? Emergency officials say a fire has badly damaged a 19th-century Orthodox church in southern Ukraine, including collapsing its dome.

No injuries have been reported.

The fire at the landmark Spaso-Preobrazhensky Cathedral in the town of Bolhrad outside the Black Sea port of Odessa broke out Thursday during renovation work, the Emergency Situations Ministry said on its website.

The church's dome collapsed before the fire was put out.

Officials say the fire could have been caused by a violation of safety rules during the renovation.

Source: http://us.rd.yahoo.com/dailynews/rss/europe/*http%3A//news.yahoo.com/s/ap/20120126/ap_on_re_eu/eu_ukraine_church_fire

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Iran eyes banning oil sales to Europe (AP)

TEHRAN, Iran ? Iran's parliament will begin debating a draft bill requiring the government to immediately halt oil exports to Europe, a prominent lawmaker said Wednesday, as Tehran weighs its options following the European Union's decision to stop importing oil from the country.

The EU embargo, announced on Monday, was the latest attempt to try to pressure Iran over a nuclear program the United States and its allies argue is aimed at developing nuclear weapons but which Iran says is for purely peaceful purposes. It came just weeks after the U.S. approved, but has yet to enact, new sanctions targeting Iran's Central Bank and, by extension, its ability to sell its oil.

Many Iranian lawmakers and officials have called for an immediate ban on oil exports to the European bloc before its ban fully goes into effect in July, arguing that the 27 EU nations account for only about 18 percent of Iran's overall oil sales and would be hurt more by the decision than Iran. China, a key buyer of Iranian crude, has blasted the embargo.

"The bill requires the government to stop selling oil to Europe before the start of European Union oil embargo against Iran," lawmaker Hasan Ghafourifard told the parliament's website, icana.ir. Debate on the bill is to begin on Sunday, he said.

The U.S. sanctions had outraged Iranian officials, prompting repeated threats from various officials that the country could shutter the vital Strait of Hormuz if measures are enacted that affect its oil exports. Roughly a fifth of the world oil passes through the narrow waterway, and the U.S. and others have warned Iran they will not allow it to impede the free flow of traffic in the area.

Iran is OPEC's fourth largest producer and most of its crude goes to Europe and Asia.

Iranian officials have said the sanctions will have no effect on the economy and they will find other willing buyers. Analysts and diplomats also have played down the likelihood that Iran will actually move to close the strait ? a step that could bring it into direct conflict with U.S. and other Western naval and ground forces stationed in and around the Persian Gulf.

"The door to dialogue remains open for Iran," German Foreign Minister Guido Westerwelle said in Berlin Wednesday. "But it also is clear that we in the world cannot accept Iran's government reaching for nuclear weapons. So the sanctions are necessary."

"If they are applied comprehensively and supported by as many as possible in the world, that makes the probability of success all the greater," Westerwelle said after meeting his Australian counterpart, Kevin Rudd.

The sanctions debate comes at a time when the country's economy and currency are under increasing pressure following a series of other economic sanctions that already have been imposed.

The rial has shed about 50 percent of its value relative to the dollar over the past month, a decline that the central bank governor, in a moment of rare candor, attributed at least partially to the "psychological effects" of the U.S. sanctions. The currency, which was trading at 15,000 rials to the dollar on the black market at the start of the year, hit a record low of 22,000 rials to the U.S. currency by the weekend.

After weeks of criticism over his inaction, President Mahmoud Ahmadinejad approved a decision by monetary authorities that would raise the interest rates on bank deposits to roughly 21 percent, the official IRNA news agency reported, quoting Economic Minister Shamseddin Hosseini.

The move was a reversal of his earlier opposition to the decision by Iran's Money and Credit Council that would have boosted the interest rates to a level above the inflation rate. Economists said such a step was crucial to absorbing market liquidity and buoying the rial.

Banks would be instructed to enact the new rates starting Thursday, Hosseini said.

The market reacted to the announcement immediately, with the rial trading at 19,000 rials to the dollar within hours of Hosseini's remarks.

Ahmadinejad's refusal to sign off on the council's decision stoked a rift between fiscal authorities and the president, with Central Bank Gov. Mahmoud Bahmani warning earlier in the month he may quit if the government continues to interfere in shaping monetary policies and does not approve an increase in bank deposit interest rates.

Bahmani was quoted on state television on Wednesday as saying that a single foreign currency rate will be offered within the next 48 hours as part of the central bank's measures to stabilize the currency exchange market.

Analysts say that the main reason behind the currency's depreciation was a decision to lower interest rates on one-year deposits to 14 percent from 17.5 percent. The rate cut prompted Iranians to pull their money out of banks and buy gold and foreign currency, instead.

Source: http://us.rd.yahoo.com/dailynews/rss/eurobiz/*http%3A//news.yahoo.com/s/ap/20120125/ap_on_bi_ge/ml_iran_economy

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Sensor sensibility -- better protection for concrete coastal structures

Sensor sensibility -- better protection for concrete coastal structures [ Back to EurekAlert! ] Public release date: 25-Jan-2012
[ | E-mail | Share Share ]

Contact: EPSRC Press Office
PressOffice@epsrc.ac.uk
44-179-344-4404
Engineering and Physical Sciences Research Council

Innovative sensors have been developed that will dramatically improve the ability to spot early warning signs of corrosion in concrete.

More resilient and much longer lasting than traditional corrosion sensors they will make monitoring the safety of structures such as bridges and vital coastal defences much more effective.

The carbon steel bars used to reinforce submerged concrete in tidal zone areas are at particular risk of corrosion caused by wet conditions*.

The breakthrough has been made by researchers based at City University London and Queen's University Belfast following several research projects funded by the Engineering and Physical Sciences Research Council (EPSRC).

Because the sensors can withstand long-term placement within concrete unlike any equivalent sensors currently available they can constantly monitor conditions, enabling a warning to be sent when conditions for corrosion threshold have been crossed.

Thanks to an internet connection, the notification can be sent in the form of an email or text to the structure's maintenance team.

A trio of novel, robust probes is at the heart of the team's work: one that monitors temperature, one for humidity while the other senses chloride and pH levels. Changes in these factors indicate the onset of the potentially destructive corrosion. Within the probes are advanced optical sensors specifically designed and built for this project in City's laboratories. These have been patented for potential commercial exploitation.

Tong Sun, Professor of Sensor Engineering at City and Principal Investigator on the project says: "Key to this successful prototype is our monitoring the variation of the sensor signals of a sample as an indicator of corrosion levels. This means we can use optical sensors made of polymer, which is much more resistant to the high alkaline environments of these structures than sensors currently on the market."

Traditional optical corrosion sensors have only a limited lifetime, usually of several weeks, because of the corrosive alkaline levels within concrete. The new sensors are expected to last for several years, with proper protection, even where pH levels are higher than 12. For comparison, domestic bleach has a pH value of between 12 and 13.

"Our design means several probes can be installed semi-permanently in a structure and then connected to a computer data logger, which will constantly collect readings.

This can be left until the readings indicate conditions have changed enough to warrant a full investigation. Remedial work will be simpler, cheaper and more effective at this stage, rather than waiting until there is visible damage, such as parts of the concrete coming away," said Professor Sun.

###

Notes for editors

The four-year project 'Corrosion Monitoring Systems for Structures in Extreme Marine Environments', began on 31 March 2006 and concluded on 30 March 2010. It received EPSRC funding of 243,145 to City University London and 244,788 to Queen's University Belfast.

The success of the sensor development and its potential value to industry means the research team were also awarded a follow on grant by the EPSRC (110,125 to City and 65,318 to Queen's University Belfast) to explore the commercial potential of these sensors. This project will see further improvement on the sensor design, especially chloride sensors and their subsequent testing of the probes which will then be put forward for the patent update before being made available for next-stage commercial exploitation.

The integrity of marine structures can face serious risks from a combination of chemical, biological and physical actions presented by the sea. The cost to the owners in the event of a failure can amount to millions of pounds annually for repair, replacement and for removing any sections that have fallen into surrounding water.

*In structures such as bridges it is the steel rebar embedded in the concrete that is at risk of corrosion: most at risk are the tidal and splash zones which experience continual wetting and drying.

Seawater contains a cocktail of dissolved inorganic material of which the chloride ion plays a major role in the corrosion of marine structures. This applies to the air above water as well as in the splash zone and below the surface.

The sensors within the temperature and humidity probe utilise the fibre Bragg grating. A fibre Bragg grating is a type of reflector made of a length of optical fibre that only reflects specific wavelengths of light while transmitting all others. This is created, usually by ultraviolet laser treatment, which alters the fibre core's refractive index. A pair of gratings, with one being coated with a polymer layer, was used to separate the temperature and humidity parameters.

Due to the commercial sensitivity of the design, details of the sensors inside the chloride / pH probe are not being disclosed. But it can be revealed that it is capable of measuring free chloride concentrations as low as 20 millimoles per litre (a mole is a unit measuring the concentration of a substance by counting the number of atoms or molecules in it).

Engineering and Physical Sciences Research Council (EPSRC)

The Engineering and Physical Sciences research Council (EPSRC) is the UK's main agency for funding research in engineering and the physical sciences. EPSRC invests around 800m a year in research and postgraduate training, to help the nation handle the next generation of technological change. The areas covered range from information technology to structural engineering, and mathematics to materials science. This research forms the basis for future economic development in the UK and improvements for everyone's health, lifestyle and culture. EPSRC works alongside other Research Councils with responsibility for other areas of research. The Research Councils work collectively on issues of common concern via Research Councils UK. . www.epsrc.ac.uk

City University London

City University London is an international university with a commitment to academic excellence, a focus on business and the professions and a central London location. It is placed in the top 5% of universities around the world by the Times Higher Education World University Rankings 2010-11 and is ranked in the top 30 UK higher education institutions by the Times Higher Education Table of Tables 2011. The University's Student Centre holds the 2011 Times Higher Education Leadership & Management Award for Outstanding Student Services Team. City is a broadly-based university with world leading strengths in business; law; engineering and mathematical sciences; informatics; health sciences and the arts including journalism and music. The University attracts over 21,000 students from more than 160 countries and academic and professional staff from over 50 countries. City University London's predecessor, the Northampton Institute, was founded in 1894. City will celebrate its first half century as a university in 2016. www.city.ac.uk

Queen's University Belfast

A member of the Russell Group of the UK's 20 leading research-intensive universities, Queen's University has gained global recognition for the impact of its research and education. The institution has won five Queen's Anniversary Prizes for Further and Higher Education for world-class achievement in cancer research, green chemistry, environmental research, palaeoecology and law.

Four prestigious Times Higher Education (THE) Awards further recognise the University's contribution to society. Queen's received the award for Excellence and Innovation in the Arts in 2008, was awarded the title of the UK's Entrepreneurial University of the Year in 2009, the Outstanding Engineering Research Team of the Year in 2010 and Most Innovative Teacher of the Year in 2011.

Founded as Queen's College in 1845, Queen's became a university in its own right in1908. An international centre of research and education rooted at the heart of Northern Ireland, it offers a life-changing student experience to students from more than 80 countries. Queen's is a magnet for inward investment, a patron of the arts and a global player in areas ranging from cancer studies to sustainability, and from pharmaceuticals to creative writing. www.qub.ac.uk

For further information contact:
Professor Tong Sun, at City University London, tel: 020 7040 8128, e-mail: t.sun@city.ac.uk
Dr Su Taylor, at Queen's University Belfast, tel: 028 9097 4010, e-mail: s.e.taylor@qub.ac.uk

Images are available from the EPSRC Press Office, e-mail: pressoffice@epsrc.ac.uk, tel: 01793 444404.


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Sensor sensibility -- better protection for concrete coastal structures [ Back to EurekAlert! ] Public release date: 25-Jan-2012
[ | E-mail | Share Share ]

Contact: EPSRC Press Office
PressOffice@epsrc.ac.uk
44-179-344-4404
Engineering and Physical Sciences Research Council

Innovative sensors have been developed that will dramatically improve the ability to spot early warning signs of corrosion in concrete.

More resilient and much longer lasting than traditional corrosion sensors they will make monitoring the safety of structures such as bridges and vital coastal defences much more effective.

The carbon steel bars used to reinforce submerged concrete in tidal zone areas are at particular risk of corrosion caused by wet conditions*.

The breakthrough has been made by researchers based at City University London and Queen's University Belfast following several research projects funded by the Engineering and Physical Sciences Research Council (EPSRC).

Because the sensors can withstand long-term placement within concrete unlike any equivalent sensors currently available they can constantly monitor conditions, enabling a warning to be sent when conditions for corrosion threshold have been crossed.

Thanks to an internet connection, the notification can be sent in the form of an email or text to the structure's maintenance team.

A trio of novel, robust probes is at the heart of the team's work: one that monitors temperature, one for humidity while the other senses chloride and pH levels. Changes in these factors indicate the onset of the potentially destructive corrosion. Within the probes are advanced optical sensors specifically designed and built for this project in City's laboratories. These have been patented for potential commercial exploitation.

Tong Sun, Professor of Sensor Engineering at City and Principal Investigator on the project says: "Key to this successful prototype is our monitoring the variation of the sensor signals of a sample as an indicator of corrosion levels. This means we can use optical sensors made of polymer, which is much more resistant to the high alkaline environments of these structures than sensors currently on the market."

Traditional optical corrosion sensors have only a limited lifetime, usually of several weeks, because of the corrosive alkaline levels within concrete. The new sensors are expected to last for several years, with proper protection, even where pH levels are higher than 12. For comparison, domestic bleach has a pH value of between 12 and 13.

"Our design means several probes can be installed semi-permanently in a structure and then connected to a computer data logger, which will constantly collect readings.

This can be left until the readings indicate conditions have changed enough to warrant a full investigation. Remedial work will be simpler, cheaper and more effective at this stage, rather than waiting until there is visible damage, such as parts of the concrete coming away," said Professor Sun.

###

Notes for editors

The four-year project 'Corrosion Monitoring Systems for Structures in Extreme Marine Environments', began on 31 March 2006 and concluded on 30 March 2010. It received EPSRC funding of 243,145 to City University London and 244,788 to Queen's University Belfast.

The success of the sensor development and its potential value to industry means the research team were also awarded a follow on grant by the EPSRC (110,125 to City and 65,318 to Queen's University Belfast) to explore the commercial potential of these sensors. This project will see further improvement on the sensor design, especially chloride sensors and their subsequent testing of the probes which will then be put forward for the patent update before being made available for next-stage commercial exploitation.

The integrity of marine structures can face serious risks from a combination of chemical, biological and physical actions presented by the sea. The cost to the owners in the event of a failure can amount to millions of pounds annually for repair, replacement and for removing any sections that have fallen into surrounding water.

*In structures such as bridges it is the steel rebar embedded in the concrete that is at risk of corrosion: most at risk are the tidal and splash zones which experience continual wetting and drying.

Seawater contains a cocktail of dissolved inorganic material of which the chloride ion plays a major role in the corrosion of marine structures. This applies to the air above water as well as in the splash zone and below the surface.

The sensors within the temperature and humidity probe utilise the fibre Bragg grating. A fibre Bragg grating is a type of reflector made of a length of optical fibre that only reflects specific wavelengths of light while transmitting all others. This is created, usually by ultraviolet laser treatment, which alters the fibre core's refractive index. A pair of gratings, with one being coated with a polymer layer, was used to separate the temperature and humidity parameters.

Due to the commercial sensitivity of the design, details of the sensors inside the chloride / pH probe are not being disclosed. But it can be revealed that it is capable of measuring free chloride concentrations as low as 20 millimoles per litre (a mole is a unit measuring the concentration of a substance by counting the number of atoms or molecules in it).

Engineering and Physical Sciences Research Council (EPSRC)

The Engineering and Physical Sciences research Council (EPSRC) is the UK's main agency for funding research in engineering and the physical sciences. EPSRC invests around 800m a year in research and postgraduate training, to help the nation handle the next generation of technological change. The areas covered range from information technology to structural engineering, and mathematics to materials science. This research forms the basis for future economic development in the UK and improvements for everyone's health, lifestyle and culture. EPSRC works alongside other Research Councils with responsibility for other areas of research. The Research Councils work collectively on issues of common concern via Research Councils UK. . www.epsrc.ac.uk

City University London

City University London is an international university with a commitment to academic excellence, a focus on business and the professions and a central London location. It is placed in the top 5% of universities around the world by the Times Higher Education World University Rankings 2010-11 and is ranked in the top 30 UK higher education institutions by the Times Higher Education Table of Tables 2011. The University's Student Centre holds the 2011 Times Higher Education Leadership & Management Award for Outstanding Student Services Team. City is a broadly-based university with world leading strengths in business; law; engineering and mathematical sciences; informatics; health sciences and the arts including journalism and music. The University attracts over 21,000 students from more than 160 countries and academic and professional staff from over 50 countries. City University London's predecessor, the Northampton Institute, was founded in 1894. City will celebrate its first half century as a university in 2016. www.city.ac.uk

Queen's University Belfast

A member of the Russell Group of the UK's 20 leading research-intensive universities, Queen's University has gained global recognition for the impact of its research and education. The institution has won five Queen's Anniversary Prizes for Further and Higher Education for world-class achievement in cancer research, green chemistry, environmental research, palaeoecology and law.

Four prestigious Times Higher Education (THE) Awards further recognise the University's contribution to society. Queen's received the award for Excellence and Innovation in the Arts in 2008, was awarded the title of the UK's Entrepreneurial University of the Year in 2009, the Outstanding Engineering Research Team of the Year in 2010 and Most Innovative Teacher of the Year in 2011.

Founded as Queen's College in 1845, Queen's became a university in its own right in1908. An international centre of research and education rooted at the heart of Northern Ireland, it offers a life-changing student experience to students from more than 80 countries. Queen's is a magnet for inward investment, a patron of the arts and a global player in areas ranging from cancer studies to sustainability, and from pharmaceuticals to creative writing. www.qub.ac.uk

For further information contact:
Professor Tong Sun, at City University London, tel: 020 7040 8128, e-mail: t.sun@city.ac.uk
Dr Su Taylor, at Queen's University Belfast, tel: 028 9097 4010, e-mail: s.e.taylor@qub.ac.uk

Images are available from the EPSRC Press Office, e-mail: pressoffice@epsrc.ac.uk, tel: 01793 444404.


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Source: http://www.eurekalert.org/pub_releases/2012-01/eaps-ss012512.php

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