বুধবার, ২৪ এপ্রিল, ২০১৩

'Teen Mom 2' star arrested for heroin

MTV file

Jenelle Evans on season two of MTV's "Teen Mom 2

By Ashley Majeski, TODAY contributor

Less than 24 hours after she told a fan on Twitter Monday that she was "doing great...and I'm sober!" "Teen Mom 2" star Jenelle Evans was arrested in Brunswick County, N.C., and charged with possession of heroin, simple possession of a Schedule II controlled substance and possession of drug paraphernalia.

The troubled MTV star's lawyer, Dustin Sullivan, tells TODAY.com that Evans also was charged with simple assault, and failure to pay her child support payment to her mother, Barbara Evans.

Evans' husband, Courtland Rogers, was also arrested Tuesday, and has been charged with possession of heroin, as well as assault on a female.

"Courtland is currently on probation for the assault on a female charge that Jenelle filed against him in January," Sullivan said. "He recently pleaded guilty to that charge and was on probation for it when he was arrested today."

Sullivan said that Evans' charges were split up and that she received two separate court dates: one in May for the misdemeanor charges, and one in June to deal with the felony drug charges.

"She was very upset when I saw her in court," Sullivan tells TODAY.com. "She was crying in court and she denies having any involvement with the drugs that were found."

Evans, who has made two trips to rehab in the past two years, was shown on Monday night's episode of "Teen Mom 2" discussing her drug use, and took to her Twitter account Monday night to defend herself.

Sullivan said that while Evans has been bonded out of jail, Rogers was still behind bars when Evans left jail. Coincidentally, Evans' former fiance, Gary Head, turned himself into the Brunswick County Jail today to begin serving a sentence for a DWI charge.

"At one point today, Gary, Jenelle and Courtland were all in the jail behind bars at the same time," Sullivan said.

According to Sullivan, Evans wasn't on probation at the time of her arrest, but is currently prohibited from having any contact with Rogers.?

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Source: http://theclicker.today.com/_news/2013/04/23/17883386-teen-mom-2-star-jenelle-evans-tweets-about-sobriety-before-arrest-for-heroin-possession?lite

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মঙ্গলবার, ২৩ এপ্রিল, ২০১৩

New material approach should increase solar cell efficiency

Apr. 23, 2013 ? "When designing next generation solar energy conversion systems, we must first develop ways to more efficiently utilize the solar spectrum," explained Lane Martin, whose research group has done just that.

"This is a fundamentally new way of approaching these matters," said Martin, who is an assistant professor of materials science and engineering (MatSE) at Illinois. "From these materials we can imagine carbon-neutral energy production of clean-burning fuels, waste water purification and remediation, and much more."

Martin's research group brought together aspects of condensed matter physics, semiconductor device engineering, and photochemistry to develop a new form of high-performance solar photocatalyst based on the combination of the TiO2 (titanium dioxide) and other "metallic" oxides that greatly enhance the visible light absorption and promote more efficient utilization of the solar spectrum for energy applications.

Their paper appears in the journal Advanced Energy Materials.

According to Martin, the primary feature limiting the performance of oxide-based photovoltaic and/or photocatalytic systems has traditionally been the poor absorption of visible light in these often wide band gap materials. One candidate oxide material for such applications is anatase TiO2, which is arguably the most widely-studied photocatalyst due to its chemical stability, non-toxicity, low-cost, and excellent band alignment to several oxidation-reduction reactions. As the backbone of dye-sensitized solar cells, however, the presence of a light-absorbing dye accounts for a large band gap which limits efficient usage of all but the UV portion of sunlight.

"We observed that the unusual electronic structure of SrRuO3 is also responsible for unexpected optical properties including high absorption across the visible spectrum and low reflection compared to traditional metals," stated Sungki Lee, the paper's first author. "By coupling this material to TiO2 we demonstrate enhanced visible light absorption and large photocatalytic activities."

"SrRuO3 is a correlated electron oxide which is known to possess metallic-like temperature dependence of its resistivity and itinerant ferromagnetism and for its widespread utility as a conducting electrode in oxide heterostructures," Lee added. Referring to this material as a "metal," however, is likely inappropriate as the electronic structure and properties are derived from a combination of complex electronic density of states, electron correlations, and more.

Using a process called photo-excited hot-carrier injection from the SrRuO3 to the TiO2, the researchers created new heterostructures whose novel optical properties and the resulting high photoelectrochemical performance provide an interesting new approach that could advance the field of photocatalysis and further broaden the potential applications of other metallic oxides.

This work provides an exciting new approach to the challenge of designing visible-light photosensitive materials and has resulted in a provisional patent application. The work was primarily supported by the ongoing International Institute for Carbon Neutral Energy Research (I2CNER) program, a partnership between Kyushu University in Japan and the University of Illinois.

"The I2CNER project brings together some of the leading energy researchers from around the globe," explained I2CNER Director Petros Sofronis, who is also a professor in the Department of Mechanical Science and Engineering at Illinois. "Results from Dr. Martin's research group and others demonstrate that I2CNER is not only an experiment on international collaboration. It is a concerted institutionalized effort to pursue green innovation and reduced CO2 emissions, as well as to advance fundamental science and develop science-based technological solutions for the reorganization of sustainable and environmentally friendly society."

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The above story is reprinted from materials provided by University of Illinois College of Engineering. The original article was written by Rick Kubetz.

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


Journal Reference:

  1. Sungki Lee, Brent A. Apgar, Lane W. Martin. Strong Visible-Light Absorption and Hot-Carrier Injection in TiO2/SrRuO3Heterostructures. Advanced Energy Materials, 2013; DOI: 10.1002/aenm.201201116

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

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

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/T_2AUjCLfdU/130423135839.htm

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Nike+ FuelBand app for iOS adds friends and sharing, no small amount of bragging

Nike FuelBand app for iOS adds friends and sharing for some healthy bragging

Where's the fun in owning an exercise tracker like the Nike+ FuelBand if you can't lord your healthiness over others? Nike must have wondered the same thing, as it just updated the FuelBand's iOS app to add Nike+ Friends. Wearers can now learn where their step count places them relative to their peers and share the results for all to see. Should there be any doubters, owners can attach photos, locations and mentions of nearby friends to back up their boasting. Yes, it's an upgrade that's primarily focused on oneupmanship, but it's good in our book if it makes us walk just a bit further each day.

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Source: http://www.engadget.com/2013/04/22/nike-fuelband-app-for-ios-adds-friends-and-sharing/?utm_medium=feed&utm_source=Feed_Classic&utm_campaign=Engadget

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সোমবার, ২২ এপ্রিল, ২০১৩

D.C. Budget Autonomy Coming Soon? Referendum Could Grant District Control Of Budget

WASHINGTON ? Voters in the nation's capital are all but certain to approve a charter amendment on Tuesday that would grant the city more control over its municipal budget.

In theory, the amendment would take effect unless Congress passes a disapproval resolution and President Barack Obama signs it. But both the White House and Senate Democrats have shown strong support for greater independence for the district, so that is highly unlikely.

Delegate Eleanor Holmes Norton, a Democrat who represents the District of Columbia in Congress says it's unclear what will happen if the referendum passes.

Some fear the amendment will backfire or that it won't get the district any closer to its long-stated goal of spending local tax dollars without congressional approval.

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Source: http://www.huffingtonpost.com/2013/04/21/dc-budget-autonomy_n_3128414.html

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বুধবার, ১৭ এপ্রিল, ২০১৩

NREL survey shows dramatic improvement in B100 biodiesel quality

NREL survey shows dramatic improvement in B100 biodiesel quality [ Back to EurekAlert! ] Public release date: 16-Apr-2013
[ | E-mail | Share Share ]

Contact: David Glickson
david.glickson@nrel.gov
303-275-4097
DOE/National Renewable Energy Laboratory

The latest national survey of 100% biodiesel (B100) "blend stock" samples by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) found that 95% of the samples from 2011-12 met ASTM International fuel quality specifications. The ASTM standards serve as guidelines for industry and are designed to ensure quality at the pump for consumers along with reliable operation of the nation's vehicles powered by biodiesel blends.

"The survey showed a major improvement over results from previous years," NREL Senior Chemist Teresa Alleman said. "In our 2007 survey of B100 biodiesel, less than half of the samples met quality specifications. More stringent quality requirements, along with the voluntary BQ-9000 quality management program, are among the reasons for this marked improvement."

B100 is not commonly used as a fuel, but is blended with petroleum diesel, typically in blends up to 20%, and has been part of the industry's steady growth in the past decade. B100 production increased from 27.9 million gallons in 2004 to more than 1 billion gallons in 2012.

For the most recent survey conducted from August 2011 to February 2012, NREL researchers collected fuel samples from 53 producers and 14 terminals from across the United States. Terminals from the East and West Coasts, the Rocky Mountain region, and the Midwest were tested for a range of critical properties, such as free and total glycerin content, metals content, and cloud point that could have an immediate impact on operability.

To ensure product quality, ASTM published the first B100 quality standards in 2002. ASTM International does not enforce fuel quality, but it is a leader in the development and delivery of international voluntary consensus standards. Its specifications are frequently adopted by state and local governments to ensure fuel quality and are monitored by industry members. NREL is among the organizations participating in the development of standards.

###

The anonymous data from the NREL study "Quality Parameters and Chemical Analysis for Biodiesel Produced in the United States in 2011"PDF are in publication and available on NREL's website for use by interested parties.

NREL is the U.S. Department of Energy's primary national laboratory for renewable energy and energy efficiency research and development. NREL is operated for DOE by the Alliance for Sustainable Energy, LLC.

Visit NREL online at http://www.nrel.gov


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


NREL survey shows dramatic improvement in B100 biodiesel quality [ Back to EurekAlert! ] Public release date: 16-Apr-2013
[ | E-mail | Share Share ]

Contact: David Glickson
david.glickson@nrel.gov
303-275-4097
DOE/National Renewable Energy Laboratory

The latest national survey of 100% biodiesel (B100) "blend stock" samples by the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) found that 95% of the samples from 2011-12 met ASTM International fuel quality specifications. The ASTM standards serve as guidelines for industry and are designed to ensure quality at the pump for consumers along with reliable operation of the nation's vehicles powered by biodiesel blends.

"The survey showed a major improvement over results from previous years," NREL Senior Chemist Teresa Alleman said. "In our 2007 survey of B100 biodiesel, less than half of the samples met quality specifications. More stringent quality requirements, along with the voluntary BQ-9000 quality management program, are among the reasons for this marked improvement."

B100 is not commonly used as a fuel, but is blended with petroleum diesel, typically in blends up to 20%, and has been part of the industry's steady growth in the past decade. B100 production increased from 27.9 million gallons in 2004 to more than 1 billion gallons in 2012.

For the most recent survey conducted from August 2011 to February 2012, NREL researchers collected fuel samples from 53 producers and 14 terminals from across the United States. Terminals from the East and West Coasts, the Rocky Mountain region, and the Midwest were tested for a range of critical properties, such as free and total glycerin content, metals content, and cloud point that could have an immediate impact on operability.

To ensure product quality, ASTM published the first B100 quality standards in 2002. ASTM International does not enforce fuel quality, but it is a leader in the development and delivery of international voluntary consensus standards. Its specifications are frequently adopted by state and local governments to ensure fuel quality and are monitored by industry members. NREL is among the organizations participating in the development of standards.

###

The anonymous data from the NREL study "Quality Parameters and Chemical Analysis for Biodiesel Produced in the United States in 2011"PDF are in publication and available on NREL's website for use by interested parties.

NREL is the U.S. Department of Energy's primary national laboratory for renewable energy and energy efficiency research and development. NREL is operated for DOE by the Alliance for Sustainable Energy, LLC.

Visit NREL online at http://www.nrel.gov


[ Back to EurekAlert! ] [ | E-mail | Share Share ]

?


AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.


Source: http://www.eurekalert.org/pub_releases/2013-04/drel-nss041613.php

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রবিবার, ১৪ এপ্রিল, ২০১৩

Investigators probe Lion Air crash in Bali

BALI, Indonesia (AP) ? Indonesian investigators on Sunday began working to determine what caused a new Lion Air passenger jet to miss a runway while landing on the resort island of Bali, crashing into the sea without causing any fatalities among the 108 on board.

The National Transportation Safety Committee is examining the wreckage of the Boeing 737-800 that snapped in half before coming to a stop in shallow water near Bali's airport on Saturday, said Transportation Ministry spokesman Bambang Ervan.

He said aviation authorities have already removed the plane's flight data recorder and are now planning to tow the aircraft to a beach. Divers were searching for the cockpit voice recorder located in the tail. Some experts are questioning what could have caused the crash, including whether wind shear may have played a role.

All 101 passengers and seven crew members were safely evacuated from the budget carrier flight coming from Bandung, the capital of West Java province. Some swam from the wreckage while others were plucked from the water by rescuers in rubber boats. Dozens suffered injuries, but most had been released from local hospitals by Sunday.

"I couldn't wait to land in Bali when the cabin suddenly turned dark. I heard a sound like an explosion and water was coming in," recalled Irawati, a 60-year-old woman who uses one name like many Indonesians. "I heard people shouting frantically: 'The plane crashed! Get out! Get out!' I did not even have the energy to move my body. I was so weak and frightened, and I was asking a flight attendant for help before I passed out."

She told The Associated Press from her hospital bed that when she regained consciousness, the pilot and co-pilot were putting a life jacket on her and helping her down a rubber ladder. She was then pulled onto a surf board by rescuers. She suffered neck injuries.

Another survivor, Andi Prasetyo, who is now staying at a hotel, said everything appeared fine and there was no warning of any problem.

"The cabin crew had already announced that we would be landing shortly, and I was so excited when I saw the ocean getting closer, but suddenly ... it fell," he said. "I can't believe that the plane actually landed on the sea, and everything changed to dark. It was full of horrific screaming. None of us remembered about the life jackets under our seats. Everybody rushed to get out of the plane."

Officials said there were three foreigners on board ? two Singaporeans and a French national ? all of whom suffered slight injuries.

Authorities initially said the plane overshot the runway before hitting the water, but Lion Air spokesman Edward Sirait later said that the plane crashed about 50 meters (164 feet) ahead of the runway. The weather was cloudy with rain at the time of the incident.

"It apparently failed to reach the runway and fell into the sea," said Sirait.

He said the Boeing 737-800 Next Generation plane was received by the airline last month and was declared airworthy. The plane had landed in two other cities on Saturday prior to the crash.

Given the aircraft was new, Sydney-based aviation expert Tom Ballantyne said a technical or mechanical problem seems unlikely. He said it was lucky that the plane landed flat in shallow water rather than nosediving or hitting deep water where it could have quickly been submerged.

"I'm surprised. The airplane split in two upon impact," he said, estimating it was likely traveling close to 300 mph. "It was coming into land and hit the water very hard. It's a miracle nobody was killed."

The pilot was experienced, logging 10,000 flying hours, Sirait said. It was unclear whether human error may have played a role in the accident. However, Indonesian aviation analyst Ruth Simatupang, a former investigator at the National Safety Transportation Committee, suspects some sort of miscalculation involving the landing.

"Something was obviously wrong with the pilot, and wind shear is a possibility that could lead to an unstable approach," she said. Sudden changes in wind speed or direction, known as wind shear, can lift or smash aircraft into the ground during landing.

The pilots will be grounded for two weeks for tests to ensure they were healthy during the flight and for questioning by investigators. They have also undergone alcohol and drug testing, and the preliminary results were negative, Herry Bakti Gumay, a Transportation Ministry official, told a news conference Sunday. Five pilots from Lion Air have been arrested for illicit drug use in the past two years.

Rapidly expanding Lion Air is Indonesia's top discount carrier, holding about a 45 percent market share in the country, a sprawling archipelago of 240 million people that's seeing a boom in both economic growth and air travel. The airline has been involved in six accidents since 2002, four of them involving Boeing 737s and one resulting in 25 deaths, according to the Aviation Safety Network's website.

Lion Air is currently banned from flying to Europe due to broader safety lapses in the Indonesian airline industry that have long plagued the country. Last year, a Russian-made Sukhoi Superjet-100 slammed into a volcano during a demonstration flight, killing all 45 people on board.

Indonesia is one of Asia's most rapidly expanding airline markets, but is struggling to provide qualified pilots, mechanics, air traffic controllers and updated airport technology to ensure safety.

Lion Air, which started flying in 2000, signed a $24 billion deal last month to buy 234 Airbus planes, the biggest order ever for the French aircraft maker. It also gave Boeing its largest-ever order when it finalized a deal for 230 planes last year. The aircraft will be delivered from 2014 to 2026 as the airline positions itself to take on AirAsia, which dominates budget travel in the region.

___

Karmini reported from Jakarta, Indonesia along with Associated Press writer Margie Mason, who contributed to this report.

Source: http://news.yahoo.com/investigators-probe-lion-air-crash-bali-043454778.html

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