Wednesday, November 28, 2012

Sirius XM Radio (NASDAQ:SIRI) CFO David Frear to Present at the ...

Sirius XM Radio's (NASDAQ:SIRI) CFO David Frear to Speak at the UBS Global Media and Communications Conference

By Demian Russian

Sirius XM Radio Inc. (NASDAQ:SIRI)?announced this morning that?Executive Vice President and Chief Financial Officer?David Frear is scheduled to present at the 40th Annual UBS Global Media and Communications Conference?in?New York City, on?Monday, December 3rd, 2012?at approximately?9:00AM Eastern.

Sirius XM Radio will make a live audio stream of the presentation available in the Investor Relations section on the company?s website at?www.siriusxm.com.

Demian Russian is the Editor-in-Chief of?Satellite Radio Playground?and?Market Playground.?

Disclosure: Long SIRI
Contact the author:?DemianRussian@SatelliteRadioPlayground.com

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Source: http://satelliteradioplayground.com/2012/11/27/sirius-xm-radio-nasdaqsiri-cfo-david-frear-to-present-at-the-40th-annual-ubs-global-media-and-communications-conference/

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Federal Lending Push Swells Student Debt (WSJ)

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Source: http://news.feedzilla.com/en_us/stories/politics/top-stories/266831342?client_source=feed&format=rss

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Professional Reflections: A Service Delivery Issue I feel Strongly About


An issue I feel strongly about is using scores from standardized tests to determine (assess) an individual?s speech and language abilities. I learned about what validity and reliability mean in reference to using standardized testing tools early in my educational course work for this field. What is bothersome to me is that while it is common knowledge that most if not all exams, especially those for children, are not ?normed? on children I would test, many agencies and supervisors demand a score as part of an evaluation report.

Children I would test are those that live in New York City and the New York region (i.e., Long Island, Yonkers, Westchester). Further exasperating this topic are those children which are exposed to more than one language. These children do not follow the ?typical? speech and language developmental norms of any monolingual community. Therefore, why are SLPs using these testing tools to make an assessment? Some may think the SLP is monolingual and may not be aware. Let?s make it clear, there is no SLP that should graduate from any program, bilingual or not, that is not aware of reading a testing manual at the least. We are also taught, even if briefly, that testing tools should be scanned to remove or adjust bias questions/materials and that bilingual children should be tested by bilingual SLPs. Let me make another point clear: while a person is bilingual it does not qualify them to assess a bilingual person. For example, I am proficiently bilingual in English and Spanish. ??

What is especially worrisome is that while this is such a touchy subject, a certified SLP can actually lose their license over this issue/topic (using a score to report findings). I would venture and guess that one or two malefactions would not substantiate a license being revoked, however it baffles me as to how not more of an emphasis is made on using appropriate testing materials and informed clinical opinions to report findings instead of using scores from a test. In New York City there are rarely any children that would meet the reliability, validity, and norming standards for any test that I know of, yet I find that too often they are used to assess the child?s language abilities.

Catherine J. Crowley is not only the director of the Bilingual Institute at Teachers College, Columbia University but she is an advocate for this issue. In reality, I cannot say she is an advocate she is the leader who identifies what issues need to change and how to go about changing them. Last year when I started at the institute she informed us of some upcoming trainings and reforms regarding this precise topic: agencies forcing their employees to use scores to report a disorder/delay. Cate, as she likes to be addressed by her students, is still conducting trainings around the city to various agencies and changing policies as we speak. She has a lot of support, some of which is through her students and staff. Cate posts information on the institution?s Facebook page such as rallies, petitions, current events, etc. This is a person that I would reach out to about this issue and support for continuing to proctor this change.?

Source: http://anelonherbilingualslpmission.blogspot.com/2012/11/a-service-delivery-issue-i-feel.html

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Source: http://heatholiver.typepad.com/blog/2012/11/professional-reflections-a-service-delivery-issue-i-feel-strongly-about.html

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Source: http://allowably-differentiability.blogspot.com/2012/11/professional-reflections-service.html

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Android 4.2.1 update rolling out to Nexus devices

people 640x1024 Android 4.2.1 update rolling out to Nexus devices

Devices in Google?s Nexus line will soon be?receiving?a small update to fix some of the bugs with the earlier release.

With the release of Android 4.2 there was a bug that removed the month of December from the People app. Trying to enter a birthday or anniversary in December from within the app would skip straight from November to January. Also, there was an issue with Bluetooth connectivity. When streaming music from a handset running 4.2 (Jelly Bean) to a?Bluetooth?device, it would often stutter and fail to play music.

I am glad to say that it has not taken Google long to act. It has taken Google only two weeks to make these changes.??The small 1.1MB update (4.2.1) will add the month of December and will fix the issue regarding Bluetooth.

The update is now rolling out to the Nexus 4, Nexus 7, Nexus 10 and Galaxy Nexus.

Source: http://feedproxy.google.com/~r/BroBuffet/~3/3IMQqww2Q9g/

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Tuesday, November 27, 2012

Graphene/nanotube hybrid makes single-surface material for energy storage, electronics

ScienceDaily (Nov. 27, 2012) ? A seamless graphene/nanotube hybrid created at Rice University may be the best electrode interface material possible for many energy storage and electronics applications.

Led by Rice chemist James Tour, researchers have successfully grown forests of carbon nanotubes that rise quickly from sheets of graphene to astounding lengths of up to 120 microns, according to a paper published November 27 by Nature Communications. A house on an average plot with the same aspect ratio would rise into space.

That translates into a massive amount of surface area, the key factor in making things like energy-storing supercapacitors.

The Rice hybrid combines two-dimensional graphene, which is a sheet of carbon one atom thick, and nanotubes into a seamless three-dimensional structure. The bonds between them are covalent, which means adjacent carbon atoms share electrons in a highly stable configuration. The nanotubes aren't merely sitting on the graphene sheet; they become a part of it.

"Many people have tried to attach nanotubes to a metal electrode and it's never gone very well because they get a little electronic barrier right at the interface," Tour said. "By growing graphene on metal (in this case copper) and then growing nanotubes from the graphene, the electrical contact between the nanotubes and the metal electrode is ohmic. That means electrons see no difference, because it's all one seamless material.

"This gives us, effectively, a very high surface area of more than 2,000 square meters per gram of material. It's a huge number," said Tour, Rice's T.T. and W.F. Chao Chair in Chemistry as well as a professor of mechanical engineering and materials science and of computer science and a co-author with former postdoctoral researcher and lead author Yu Zhu, now an assistant professor at the University of Akron.

Tour said proof of the material's hybrid nature lies in the seven-membered rings at the transition from graphene to nanotube, a structure predicted by theory for such a material and now confirmed through electron microscope images with subnanometer resolution.

Carbon has no peer as a conductive material in such a thin and robust form, especially in the form of graphene or certain types of nanotubes. Combining the two appears to offer great potential for electronic components like fast supercapacitors that, because of the massive surface area, may hold a great deal of energy in a tiny package.

Rice chemist Robert Hauge and his team made the first steps toward such a hybrid over the past decade. Hauge, a distinguished faculty fellow in chemistry at Rice and co-author of the new work, discovered a way to make densely packed carpets of nanotubes on a carbon substrate by suspending catalyst-laced flakes in a furnace. When heated, the catalyst built carbon nanotubes like skyscrapers, starting at the substrate and working their way up. In the process, they lifted the aluminum oxide buffer into the air. The whole thing looked like a kite with many strings and was dubbed an odako, like the giant Japanese kites.

In the new work, the team grew a specialized odako that retained the iron catalyst and aluminum oxide buffer but put them on top of a layer of graphene grown separately on a copper substrate. The copper stayed to serve as an excellent current collector for the three-dimensional hybrids that were grown within minutes to controllable lengths of up to 120 microns.

Electron microscope images showed the one-, two- and three-walled nanotubes firmly embedded in the graphene, and electrical testing showed no resistance to the flow of current at the junction.

"The performance we see in this study is as good as the best carbon-based supercapacitors that have ever been made," Tour said. "We're not really a supercapacitor lab, and still we were able to match the performance because of the quality of the electrode. It's really remarkable, and it all harkens back to that unique interface."

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Story Source:

The above story is reprinted from materials provided by Rice University, via EurekAlert!, a service of AAAS.

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


Journal Reference:

  1. Yu Zhu, Lei Li, Chenguang Zhang, Gilberto Casillas, Zhengzong Sun, Zheng Yan, Gedeng Ruan, Zhiwei Peng, Abdul-Rahman O. Raji, Carter Kittrell, Robert H. Hauge, James M. Tour. A seamless three-dimensional carbon nanotube graphene hybrid material. Nature Communications, 2012; 3: 1225 DOI: 10.1038/ncomms2234

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/rB6NJZnJIoU/121127111342.htm

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English Honors for Grade 7 : ISM Grade Six

Dear Current Grade 6 Parents,

An English Honors Program is offered in Grade 7 in the Middle School. This program offers opportunities for students who want to enrich their English experience with literature and improve their reading, writing, listening and speaking skills. The published aims and objectives of the English Honors Program at ISM are:

To broaden and deepen student appreciation of literature by engaging in a study of challenging literary texts
To foster a greater sense of the artistry and artfulness of language and writing
To extend each student?s English skills beyond the regular English curriculum
To foster a deeper understanding of how communication skills enrich and enhance the learning experience across the curriculum

The Honors Program: What is it and why do we do it?

The English Honors Program is primarily about enrichment; it is not used as a prerequisite for future English courses such as the IB Program in the High School. The Middle School English Honors Program, however, is good preparation if a student wants to pursue English studies in the future.

While the English Honors Program focuses upon enrichment, it is not for everyone. Parents should talk to their child about the challenges of the class. You need to be honest and think deeply about your reasons to apply. Does your son or daughter fit the profile of an Honors student? Before you consider applying, look at the following criteria of what makes an ideal Honors student:

Honors profile: What does an Honors student look like?

Students in our Honors Program see the communication skills of reading, writing, speaking, and listening as essential components to their lives both in and out of an English classroom.
They consistently demonstrate mastery of the skills taught in English and therefore function more independently as English learners.
They achieve and maintain the highest standards of English at ISM as reflected by their English grades at ISM and in external testing.
They want to extend and deepen their English skills beyond the regular English curriculum.
They want greater formal exposure to challenging and varied literature.
They are avid readers and writers who practice these skills beyond required coursework.

How does my son or daughter apply for Honors?

If students presently in Grade 6 want to be considered for Honors in the next school year, they must first meet the minimum requirement of a first semester grade of A- to apply. If they have achieved this cutoff grade, they can then submit the slip at the end of this letter as an application of interest. This will allow each student to be assessed in the four areas of consideration:

First semester English grade: The minimum requirement is an A- in English.
Teacher Recommendation: Teachers will look at each student?s educational dispositions to determine whether they are reflective, self-directed critical thinkers and creative problem solvers.
External assessment scores: The first semester?s MAP scores for language and reading will be considered as another piece of data.
Cornerstone Writing Assessment: The Honors exam has been replaced this year with our second semester cornerstone writing assessment. All middle school students will participate in this writing assessment, and the results will be used to inform English instruction throughout the school; however, the results of this assessment will also be the final piece in determining our honors students for next year. The cornerstone will examine each student?s ideas through comprehension, analysis/interpretation, and evaluation as well as technical writing ability as described by voice, word choice, and sentence fluency. No preparation is possible or needed for the cornerstone assessment as all students will complete it.

A teacher panel will conduct a careful review of the information outlined in the four areas for each potential Honors student. After reviewing the criteria, the panel will select the top candidates for grade 6 to be offered a place in the English Honors class for next year.

Timeline:
Dates Actions
January Cornerstone Writing Assessment will be held
February 1 Deadline for Expression of Interest slip- turned into English teacher

(School must receive this slip for a student to be considered for Honors, including both parent and student signatures)
March Student applications considered and Honors lists decided
April Letters sent to parents on Honors decisions

What is my first step to apply for English Honors?

If you have read the requirements for the Honors Program, know that your son or daughter has met the minimum grade requirement and feel that he or she is a potential candidate, then please fill in and send back the intent slip at the bottom of this letter by February 1, 2013. This slip expresses your interest; you must hand this in if your child is to be considered for the program.

If you have any questions, please do not hesitate to contact me directly at burked@ismanila.org.

Sincerely,

David Burke Simon Gillespie

Middle School English Program Leader Middle School Principal

??????????????????????????????????????????????????????????????????????

English Honors Program

Expression of Interest

Full Name: _________________________________________________

Current Grade Level: _________________________________________

English Teacher: _____________________________________________

I am expressing interest for my son/daughter __________________________ (first name) to be considered for next year?s English Honors program. I have read the course rationale, student profile and schedule. I understand that applying for the program will allow my son or daughter to participate in the selection process and does not mean automatic inclusion in the Honors Program.

Parent Signature: Student Signature:

Please return to your grade level English teacher no later than February 1, 2013.

Source: http://grade6.ism-online.org/2012/11/27/english-honors-for-grade-7/

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Monday, November 26, 2012

Health and environmental risk in flame retardants in building insulation

ScienceDaily (Nov. 23, 2012) ? Researchers in the United States are calling for a change to the US building codes, following a study showing that the mandatory flame retardants routinely added to foam insulation are not only harmful to human health and the environment, but also make no difference to the prevention of fire in buildings where a fire-safe thermal barrier already exists. Such a change would bring the US building codes in line with regulations in Sweden and Norway.

The research team, which is drawn from US-based centres of excellence including the University of California and the Lawrence Berkeley National Laboratory, conducted a thorough review of fire safety literature since the mid-1970s and conclude that the addition of halogenated organic compounds to plastic insulation materials such as polystyrene, polyisocyanurate and polyurethane is costly, ineffective and environmentally damaging. Their conclusions are published in the latest issue of the journal Building Research and Information.

Led by internationally renowned fire expert Dr Vytenis Babrauskas of Fire Science & Technology Inc., the research team investigated the impact of the "Steiner Tunnel test," which is used to test the propagation of fire over the surface of all sorts of building materials in the early stages of fire (before flashover point is reached). Their paper suggests that changing the US building codes to exempt foam plastic insulation materials from the test would avoid the use of thousands of tonnes of flame retardants that are known or suspected to be persistent organic pollutants. They conclude:

"Such a change would ? decrease the cost of foam plastic insulation and encourage the use of insulation materials for increasing building energy efficiency and mitigating climate change. The potential for health and ecological harm from the use of flame retardant chemicals would be reduced and the fire safety of buildings would be maintained.

The Steiner Tunnel test, showing the flame being applied to the ceiling, is an inadequate and inappropriate method for testing insulation safety. Photo: IntertekTesting Services Inc.

Their article begins with a review of the development of the US building codes in relation to fire safety, and foam insulation in particular, and explains that foam plastics used for insulation have required a thermal barrier (usually 12.7 mm (1/2 inch) thick gypsum wallboard) since 1976. In addition, chemicals such as hexabromocyclododecane (HBCD) and Tris (1-chloro-2-propyl) phosphate (TCPP) are routinely added in order to meet the requirements of the Steiner Tunnel test. The building codes have never stipulated that chemicals be added to foam plastic insulation, however doing so is the most common way to meet the Steiner test. These additives are semi-volatile organic compounds (SVOCs) which do not bind to the insulation material and are known to be released into the environment throughout the life cycle of insulation. The chemicals can persist and accumulate, and have been implicated in thyroid hormone disruption and nervous system development problems and are potentially carcinogenic.

The experts suggest that exempting foam plastic insulation materials from the Steiner Tunnel test would mean there was no longer a need to add these flame retardants.

As well as presenting a detailed analysis of the problems associated with the Steiner Tunnel test, the article reviews the:

? Adequacy of the thermal barrier

? Fire propagation into a cavity constructed in violation of codes

? Behaviour of exposed foam insulation installed in violation of codes.

The article also discusses alternative courses of action, including the possible development of a more accurate test, the use of different flame retardant chemicals and a range of options for mitigating the impact of the flame retardants currently used.

Finally, the article says that such an action would not be without precedent. Flame retardants were once routinely added to children's pajamas, but their use was discontinued in many regions after a range of adverse environmental and health impacts were identified. Dr Babrauskas and his team conclude that, in the light of their evidence, an equivalent volte-face should be implemented in the US building codes as soon as possible. They also recommend a root and branch review of the process of designing fire standards and building codes, in particular to ensure that fire scientists, building code officials and other regulators consider the efficacy, life cycle, health and ecological impacts of building materials.

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Story Source:

The above story is reprinted from materials provided by Taylor & Francis, via AlphaGalileo.

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


Journal Reference:

  1. Vytenis Babrauskas, Donald Lucas, David Eisenberg, Veena Singla, Michel Dedeo and Arlene Blum. Flame retardants in building insulation: a case for re-evaluating building codes. Building Research and Information, 2012, 40(6), pp 738-755 DOI: 10.1080/09613218.2012.744533

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

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_health/~3/pfU8paCQF8U/121125192833.htm

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