বুধবার, ২২ মে, ২০১৩

Inhofe And Coburn: Red State Hypocrites

Salon:

Just a week ago, Oklahoma Sen. James Inhofe suggested that President Obama might be impeached over the Benghazi non-scandal. Now, Inhofe must watch as Obama declares Inhofe?s state a disaster area and promises Oklahomans ?all the resources they need at their disposal.?

Read the whole story at Salon

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Source: http://www.huffingtonpost.com/2013/05/22/inhofe-coburn_n_3316764.html

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শুক্রবার, ১৭ মে, ২০১৩

Tech News Headlines - Yahoo! News

Is half of America really mentally ill at some point? A Yahoo! News chat

Join Yahoo! News? Lizzie O?Leary, Dr. Sally Satel, psychiatrist and fellow at the American Enterprise Institute, and Dr. William Glazer, the president of More??

Yahoo! News - 3 hrs ago

Source: http://rss.news.yahoo.com/rss/techblog

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বৃহস্পতিবার, ১৬ মে, ২০১৩

Significant improvement in performance of solar-powered hydrogen generation

May 15, 2013 ? Using a powerful combination of microanalytic techniques that simultaneously image photoelectric current and chemical reaction rates across a surface on a micrometer scale, researchers at the National Institute of Standards and Technology (NIST) have shed new light on what may become a cost-effective way to generate hydrogen gas directly from water and sunlight.

Their quarry is a potentially efficient, cost-effective, photoelectrochemical (PEC) cell -- essentially a solar cell that produces hydrogen gas instead of electric current. "A major challenge with solar energy is dealing with solar intermittency," says NIST chemical engineer Daniel Esposito. "We demand energy constantly, but the sun's not always going to be shining, so there's an important need to convert solar energy into a form we can use when the sun's not out. For large-scale energy storage or transportation, hydrogen has a lot of benefits."

At its simplest, a PEC cell contains a semiconducting photoelectrode that absorbs photons and converts them into energetic electrons, which are used to facilitate chemical reactions that split water molecules into hydrogen and oxygen gases. It's not that easy. The best PEC cell has been demonstrated with an efficiency around 12.5 percent,* says Esposito. But, "it's been estimated that such a cell would be extremely expensive -- thousands of dollars per square meter -- and they also had issues with stability," he says. One big problem is that the semiconductors used to achieve the best conversion efficiency also tend to be highly susceptible to corrosion by the cell's water-based electrolyte. A PEC electrode that is efficient, stable and economical to produce has been elusive.

The NIST team's proposed solution is a silicon-based device using a metal-insulator-semiconductor (MIS) design that can overcome the efficiency/stability trade-off. The key is to deposit a very thin, but very uniform, layer of silicon dioxide -- an insulator -- on top of the semiconductor -- silicon -- that is well-suited for doing the photon-gathering work. On top of that is a polka-dot array of tiny electrodes consisting of platinum-covered titanium. The stable oxide layer protects the semiconductor from the electrolyte, but it's thin enough and transparent enough that the photons will travel through it to the semiconductor, and the photo-generated electrons will "tunnel" in the opposite direction to reach the electrodes, where the platinum catalyzes the reaction that produces hydrogen.

The MIS device requires good production controls -- the oxide layer in particular has to be deposited precisely -- but Esposito notes that they used fabrication techniques that are standard in the electronics industry, which has decades of experience in building low-cost, silicon-based devices.

To study the system in detail, the NIST team scanned the surface of the device with a laser beam, illuminating only a small portion at a time to record photocurrent with micrometer resolution. In tandem with the beam, they also tracked an "ultramicroelectrode" across the surface to measure the rate of molecular hydrogen generation, the chemical half of the reaction.** The combination allowed them to observe two bonus effects of the MIS photoelectrode design: a secondary mechanism for hydrogen generation caused by the channeling of electrons through the oxide layer, and a more efficient transport of electrons to the reaction site than predicted.

The NIST team calculates an efficiency of 2.9 percent for their device, which also exhibits excellent stability during operation. While this efficiency is far lower than more costly designs, they note that it is 15 times better than previously reported results for similar silicon-based MIS devices, and the new data from their microanalysis of the system points towards several potential routes to improving performance. The detailed results are found in Nature Materials.

Notes:

* In the 90s by the U.S. Department of Energy's National Renewable Energy Laboratory.

** Technically, scanning photocurrent microscopy (SPCM) and scanning electrochemical microscopy (SECM).

Source: http://feeds.sciencedaily.com/~r/sciencedaily/matter_energy/electronics/~3/vxDHSsxLN4Q/130515125118.htm

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Don't Go One More Day Without Health Insurance | Health Insurance

Health insurance is an ever-changing and confusing topic. It is very easy to become swamped with all the information that you need to know. The following advice will put you begin.

Health Insurance

You are going to need to know the full scope of your health coverage. Having health insurance that covers incidents such as these can make the difference in affording the downtime you may incur.

TIP! Think about your family?s health when considering a health insurance plan provided by your employer. If you do not have any health issues anticipated in the near future, this may enable you to pay a cheaper premium for your insurance.

When buying a health insurance policy, it is important to know what your coverage will encompass. Health insurance which covers incidents like these might make sure that you are covered for time off should it become necessary.

When thinking about health insurance via your employer, keep in mind your personal health status and that of your immediate family. This could lead you to purchasing insurance that has a cheaper premium if you do not have any anticipated health issues. While that may be cheaper upfront, it could prove risky if there are problems down the road.

A lot of employers have incentives when their employees in order to have their lifestyle and health assessed. You might be able to find fitness programs that will help your employer save money on insurance coverage, and some of that savings is passed on to you.

Your prescription coverage should be checked annually. Health insurance companies like to change what medications they are willing to cover, so make sure you read the fine print every time you re-enroll. If you take a medication daily that is not covered anymore by your insurer, you may need to find a new insurance company ? fast.

TIP! You can get catastrophic insurance instead of comprehensive to save cash. Catastrophic coverage is for emergency uses, and comprehensive coverage is for prescriptions and visits to the doctor.

Individual policies tend to cost quite a bit more than a group plan, so it is advised to plan accordingly. You may find yourself needing to plan for higher deductibles or less coverage. Shop around to get the best rates and rates.

Insurance Company

Health insurance carriers sometimes change which medicines they cover, so make sure you read the fine print every time you re-enroll. If you need medication on a regular basis and your insurance company no longer covers it, it?s time for you to find a new health insurance company.

Medical insurance can cut down on your taxes. Not everyone knows that premiums are deductions. You can deduct money that you pay in for your package?s deductible, as well as other health insurance-related items, like prescriptions and doctor visits. Be sure to check on the guidelines because state and federal taxes are different.

TIP! Health insurance policies often have loopholes or exemptions in them. Thoroughly peruse your policy in order to avoid being surprised when someone tells you that a particular issue is not covered under your policy.

Regardless of the kind of policy you have, you will save money if you always choose generic prescription drugs. There are a few instances that you won?t be able to get generics, but using them is no different than using the brand name, save the name.

As you now know, it may be a complicated field but there is much you can understand about the subject of health insurance. You should take some time to become educated about it. If you follow the advice written here, you will be ready to make smart decisions regarding your health insurance needs.

Source: http://www.tucsonteaparty.org/dont-go-one-more-day-without-health-insurance/

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Cambodian shoe factory collapse kills 2, injures 7

Cambodian rescuers work at the site of a factory collapse in Kai Ruong village, south of Phnom Penh, Cambodia, Thursday, May 16, 2013. The ceiling of the factory that makes Asics sneakers collapsed on workers early Thursday, killing two people and injuring seven, in the latest accident to spotlight lax safety conditions in the global garment industry. (AP Photo/Heng Sinith)

Cambodian rescuers work at the site of a factory collapse in Kai Ruong village, south of Phnom Penh, Cambodia, Thursday, May 16, 2013. The ceiling of the factory that makes Asics sneakers collapsed on workers early Thursday, killing two people and injuring seven, in the latest accident to spotlight lax safety conditions in the global garment industry. (AP Photo/Heng Sinith)

Cambodian rescuers work at the site of a factory collapse in Kai Ruong village, south of Phnom Penh, Cambodia, Thursday, May 16, 2013. The ceiling of the factory that makes Asics sneakers collapsed on workers early Thursday, killing two people and injuring seven, in the latest accident to spotlight lax safety conditions in the global garment industry. (AP Photo/Heng Sinith)

Cambodian rescuers work at the site of a factory collapse in Kai Ruong village, south of Phnom Penh, Cambodia, Thursday, May 16, 2013. The ceiling of the factory that makes Asics sneakers collapsed on workers early Thursday, killing two people and injuring seven, in the latest accident to spotlight lax safety conditions in the global garment industry. (AP Photo/Heng Sinith)

Cambodian rescuers work at the site of a factory collapse in Kai Ruong village, south of Phnom Penh, Cambodia, Thursday, May 16, 2013. The ceiling of the factory that makes Asics sneakers collapsed on workers early Thursday, killing two people and injuring seven, in the latest accident to spotlight lax safety conditions in the global garment industry. (AP Photo/Heng Sinith)

Cambodian rescuers work at the site of a factory collapse in Kai Ruong village, south of Phnom Penh, Cambodia, Thursday, May 16, 2013. The ceiling of the factory that makes Asics sneakers collapsed on workers early Thursday, killing two people and injuring seven, in the latest accident to spotlight lax safety conditions in the global garment industry. (AP Photo/Heng Sinith)

(AP) ? The ceiling of a Cambodian factory that makes Asics sneakers collapsed on workers early Thursday, killing two people and injuring seven, in the latest accident spotlighting the often lethal safety conditions faced by those toiling in the global garment industry.

About 50 workers were inside a workroom of the factory south of Phnom Penh when the ceiling caved in, said police officer Khem Pannara. He said heavy iron equipment stored on a mezzanine above them appeared to have caused the collapse.

Two bodies were pulled from the wreckage and seven people were injured, he said. Rescuers picked through rubble for several hours and after clearing the site said that nobody else was trapped inside.

At a clinic where she was being treated for her injuries, worker Kong Thary cried on the telephone as she recounted the collapse.

"We were working normally and suddenly several pieces of brick and iron started falling on us," the 25-year-old said.

The accident comes just a little more than three weeks after a building housing five garment factories in Bangladesh crashed down on thousands of workers, killing 1,127 people. That disaster is the deadliest in the history of the global garment business and has led to calls for Western retailers to do more to ensure the safety of those who make their products.

"This shows that the problem is not only isolated to Bangladesh, and that companies (elsewhere) are trying to drive prices down by taking shortcuts on workers' safety," said Phil Robertson of Human Rights Watch.

An initial investigation showed the ceiling that collapsed Thursday was poorly built and lacked the proper building materials to support heavy weight, said Ou Sam Oun, governor of Kampong Speu province, where the factory is located.

Chea Muny, chief of a trade union for factory workers, identified the factory as a Taiwanese-owned operation called Wing Star that produces sneakers for Asics, a Japanese sportswear label. He said shoes made at the factory were exported to the United States and Europe.

An Asics spokeswoman in Tokyo confirmed the factory was in contract to make Asics running shoes. She said Asics was trying to determine what happened.

"We understand that some people have died, so first we offer our condolences," said spokeswoman Masayo Hasegawa in Tokyo. She said she did not have information on the last time the building structure had been inspected but added, "We want the highest priority to be placed on saving lives."

The factory complex, which opened about a year ago, consists of several buildings and employs about 7,000 people, said Khem Pannara, the police officer. The structure where the collapse occurred was mainly used as a storage warehouse for shoe-production equipment but had a small work area for about two dozen people, Chea Muny said.

The garment industry is Cambodia's biggest export earner, employing about 500,000 people in more than 500 garment and shoe factories. In 2012, the Southeast Asian country shipped more than $4 billion worth of products to the United States and Europe.

The U.N.'s International Labor Organization, citing Commerce Ministry figures, says the number of footwear factories nearly doubled in four years to 45 in 2012, accounting for $268.66 million in exports, with further growth expected. The European Union, which allows Cambodian products duty-free and quota-free entry, represents almost half their market, with Japan the runner-up. The 45 factories employ 69,184 workers.

Although low pay and uncomfortable working conditions would cause some to describe many of the factories as sweatshops, Cambodian workers have several advantages over their Bangladeshi counterparts, including a sometimes feisty labor movement.

Cambodia also hosts a unique program of the International Labor Organization called "Better Factories Cambodia" that assesses and reports on working conditions in all the country's export garment factories, with plans to extend the monitoring to footwear facilities. The impetus for the program was an agreement under which Cambodia pledged better labor conditions in exchange for better trade privileges with the United States.

Critics says that the program is ineffective because it presents findings in an aggregate form rather than publicly naming and shaming factories that fail to meet proper standards. But the program says it is not intended to guarantee full compliance, and instead "brings about improvement on working conditions and compliance over time."

Last month, the program released a report that called for "urgent attention" to worker safety violations in Cambodia's garment and footwear industry.

It found "a worrying increase in fire safety violations," including that only 57 percent of factories kept paths free of obstructions. It reported "unacceptable" heat levels, abuse of overtime hours and a lack of worker access to drinking water.

A separate report on a pilot project on footwear factories found they were not in compliance with a host of labor standards, especially regarding occupational safety and health. Chemical safety is a special concern, because the use of toxic solvents is much more widespread than it is for clothing.

___

Associated Press writers Jocelyn Gecker and Grant Peck in Bangkok and Malcolm J. Foster in Tokyo contributed to this report.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/cae69a7523db45408eeb2b3a98c0c9c5/Article_2013-05-16-Cambodia-Factory%20Collapse/id-46ea4f964159453cbf0821c819964942

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