Wednesday, July 25, 2012

Juggernaut Alpha with Windows Phone 8 appears in benchmarks, shows how sharp it might be

Juggernaut Alpha with Windows Phone 8 appears in benchmarks, shows how much sharp it is

A while back, we spotted the Juggernaut Alpha's unique and hard-to-forget moniker in a document listing a number of alleged upcoming Windows Phone 8 handsets, and now the device has managed to land itself in a purported set of early benchmarks. According to WMPoweruser, the Juggernaut Alpha results are from a Windows Phone app called WP Bench, where it clearly shows how much faster it is than its closest challenger -- nearly doubling its speeds when compared to those of the HTC Titan. Needless to say, if true, this kind of outcome is to be expected given all the improvements Microsoft announced last month, but this only gives us more to look forward to come that eventual WP8 fall release.

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Sunday, June 24, 2012

Is arm length the reason women need reading glasses sooner than men?

ScienceDaily (June 23, 2012) ? Studies have consistently reported that women require reading glasses or bifocal lenses earlier than men. According to a recent Investigative Ophthalmology & Visual Science paper, the gender difference is caused by factors other than focusing ability, such as arm length or preferred reading distance, which should be considered when prescribing readers or bifocals.

The new evidence was found by a team of researchers who performed a meta-analysis using nine cross-sectional studies to compare the prevalence and magnitude of presbyopia -- commonly described as the loss of near vision that occurs with age -- among men and women. The researchers further subdivided the analysis to determine what differences in presbyopia might exist between men and women.

The new evidence was found by a team of researchers who performed a meta-analysis using nine cross-sectional studies to compare the prevalence and magnitude of presbyopia -- commonly described as the loss of near vision that occurs with age -- among men and women. The researchers further subdivided the analysis to determine what differences in presbyopia might exist between men and women.

While the results of a subgroup of studies showed that there was no significant gender-related difference in the eye's ability to focus clearly on objects at near distances, the overall analysis provided evidence that women have a need for higher power reading glasses or bifocals than men of an equivalent age. According to the researchers, this discrepancy is likely due to differences in preferred reading distances or arm length as women tend to hold reading materials closer than men do.

"These findings could impact global vision care in multiple ways," said Hickenbotham. "The findings reinforce the need for presbyopia correction programs for women -- a group that often has greater unmet vision needs in developing countries. It also points out that presbyopia is a multi-factorial problem and requires solutions that are tailored to each individual."

While the researchers urge clinicians to do more than measure the eye's ability to focus when diagnosing presbyopia, they also suggest more carefully performed studies be conducted that better isolate and measure the various factors that contribute to its development. In particular, the paper states longitudinal studies that consider the interaction between the preferred reading distance and the change in accommodative amplitude across time for males and females could help determine to what extent biological factors or environmental factors plays a role in the loss of focusing ability with increasing age.

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Story Source:

The above story is reprinted from materials provided by Association for Research in Vision and Ophthalmology (ARVO).

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


Journal Reference:

  1. A. Hickenbotham, A. Roorda, C. Steinmaus, A. Glasser. Meta-Analysis of Sex Differences in Presbyopia. Investigative Ophthalmology & Visual Science, 2012; 53 (6): 3215 DOI: 10.1167/iovs.12-9791

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.

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New technique allows simulation of noncrystalline materials

ScienceDaily (June 23, 2012) ? A multidisciplinary team of researchers at MIT and in Spain has found a new mathematical approach to simulating the electronic behavior of noncrystalline materials, which may eventually play an important part in new devices including solar cells, organic LED lights and printable, flexible electronic circuits.

The new method uses a mathematical technique that has not previously been applied in physics or chemistry. Even though the method uses approximations rather than exact solutions, the resulting predictions turn out to match the actual electronic properties of noncrystalline materials with great precision, the researchers say. The research is being reported in the journal Physical Review Letters, published June 29.

Jiahao Chen, a postdoc in MIT's Department of Chemistry and lead author of the report, says that finding this novel approach to simulating the electronic properties of "disordered materials" -- those that lack an orderly crystal structure -- involved a team of physicists, chemists, mathematicians at MIT and a computer scientist at the Universidad Aut?noma de Madrid. The work was funded by a grant from the National Science Foundation aimed specifically at fostering interdisciplinary research.

The project used a mathematical concept known as free probability applied to random matrices -- previously considered an abstraction with no known real-world applications -- that the team found could be used as a step toward solving difficult problems in physics and chemistry. "Random-matrix theory allows us to understand how disorder in a material affects its electrical properties," Chen says.

Typically, figuring out the electronic properties of materials from first principles requires calculating certain properties of matrices -- arrays of numbers arranged in columns and rows. The numbers in the matrix represent the energies of electrons and the interactions between electrons, which arise from the way molecules are arranged in the material.

To determine how physical changes, such as shifting temperatures or adding impurities, will affect such materials would normally require varying each number in the matrix, and then calculating how this changes the properties of the matrix. With disordered materials, where the values of the numbers in the matrix are not precisely known to begin with, this is a very difficult mathematical problem to solve. But, Chen explains, "Random-matrix theory gives a way to short-circuit all that," using a probability distribution instead of deriving all the precise values.

The new method makes it possible to translate basic information about the amount of disorder in the molecular structure of a material -- that is, just how messy its molecules are -- into a prediction of its electrical properties.

"There is a lot of interest in how organic semiconductors can be used to make solar cells" as a possible lower-cost alternative to silicon solar cells, Chen says. In some types of these devices, "all the molecules, instead of being perfectly ordered, are all jumbled up." These disordered materials are very difficult to model mathematically, but this new method could be a useful step in that direction, he says.

Essentially, what the method developed by Chen and his colleagues does is take a matrix problem that is too complex to solve easily by traditional mathematical methods and "approximates it with a combination of two matrices whose properties can be calculated easily," thus sidestepping the complex calculations that would be required to solve the original problem, he explains.

Amazingly, the researchers found that their method, although it yields an approximation instead of the real solution, turns out to be highly accurate. When the approximation is plotted on a graph along with the exact solution, "you couldn't tell the difference with the naked eye," Chen says.

While mathematicians have used such methods in the abstract, "to our knowledge, this is the first application of this theory to chemistry," Chen says. "It's been very much in the domain of pure math, but we're starting to find real applications. It's exciting for the mathematicians as well."

The incredible accuracy of the method, which uses a technique called free convolution, led the team to investigate why it was so accurate, which has led in turn to new mathematical discoveries in free probability theory. The method derived for estimating the amount of deviation between the precise calculation and the approximation is new, Chen says, "driven by our questions" for the mathematicians on the team. "It's a happy accident that it worked out as well as it did," he adds.

"Our results are a promising first step toward highly accurate solutions of much more sophisticated models," Chen says. Ultimately, an extension of such methods could lead to "reducing the overall cost of computational modeling of next-generation solar materials and devices."

David Leitner, a professor of theoretical and biophysical chemistry and chemical physics at the University of Nevada at Reno who was not involved in this work, says the potential practical impact of this research "is great, given the challenge faced in calculating the electronic structure of disordered materials and their practical importance." He adds that the key test will be to see if this approach can be extended beyond the one-dimensional systems described in this paper to systems more applicable to actual devices. "Extension to higher dimensions is critical in assessing the work's significance," he says.

Such calculations "remain a big challenge," Leitner says, and further work on this approach to the problem "could be very fruitful."

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Story Source:

The above story is reprinted from materials provided by Massachusetts Institute of Technology. The original article was written by David Chandler.

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


Journal Reference:

  1. Jiahao Chen, Eric Hontz, Jeremy Moix, Matthew Welborn, Troy Van Voorhis, Alberto Su?rez, Ramis Movassagh, and Alan Edelman. Error analysis of free-probability approximations to the density of states of disordered systems. Physical Review Letters, May 09, 2012

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.

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Champion Article: The agency vs in-house conundrum...the impact of Google Panda on staff resourcing

Google panda However, recent Google updates, Panda for example, represent perhaps Google?s most aggressive attempt to clean up its search results and in turn, this is having a significant impact on the skill sets required to deliver an effective natural search strategy (also known as SEO if you prefer).

Essentially, Panda targets those websites creating and hosting poor quality content. In other words, content that is usually created purely for the purposes of gaming search engines. We?ve all seen this type of content; pretty pointless, keyword stuffed articles, for example, that too often find their way into prominent search engine positions impacting the quality and relevancy of search results.

Google has been hammering well known article sharing sites, as well as blog networks in recent months, which in turn has impacted search results for businesses overly reliant on links from these sites.

Continuing the animal theme, we?ve also seen the Penguin update, focused specifically on targeting web spam, as well as the introduction of ?over-optimisation? penalties.

What impact have these updates had on natural search?
The extent to which your natural search strategy needs to adapt as a result of these updates will very much depend on how you have historically approached the discipline.

Professionally, we have always lived by the mantra ?users first, search engines second?. In other words, we don?t subscribe to adopting any technique which is purely about garnering a search engine ranking. Instead, we ask the question; ?will this benefit the target audience?? As such, we have never bought links, subscribed to blog networks or ?spun? poor quality content because we deem these as techniques which offer no benefit to the target audience of a particular client. Therefore, we have seen very little, if any, of our clients negatively impacted by these updates.

But of course if you have subscribed to these techniques (and any others that go against Google?s published quality guidelines), then, in all likelihood, you are having to make significant changes to how your approach natural search and may even have found your website negatively impacted by these algorithm changes i.e. a drop in rankings and therefore traffic and sales.

Post Panda, today?s natural search strategies need to be underpinned by genuinely engaging and useful content and supported by social media and PR activity to deliver a sustainable and reputable search engine presence. As such, natural search, in the traditional sense, is not the stand-alone discipline it perhaps was once. The winners will ultimately be those that can join the dots between search, social media, content strategy and PR.

How have these updates impacted the skills required to deliver an effective natural search strategy?
In years gone by, it is fair to say you could probably hire one person to look after your natural search activity in-house. In all likelihood they probably came from a technical background and could do a pretty decent job in improving your search engine rankings.

However, in light of how search has evolved in the last couple of years, one person is no longer equipped to manage a highly effective search strategy on their own. Whilst there remains a technical aspect to search, there is now a multitude of other skill sets that have heightened in importance following the recent Google updates described above, for example:

The freelance world might disagree with me but I simply cannot see how one person can be an expert in all of the above areas, not to mention those disciplines that haven?t been cited above such as conversion optimisation and data analysis. Quite simply, the complexity of today?s search engines, along with ever-increasing competition, requires a skillset which is beyond the ability of one person alone.

What does this mean for a brand considering managing their search strategy in-house?
It means you will need to build a team probably consisting of at least four or five people. Broadly speaking, this might include a website optimisation expert, covering everything from keyword strategy through to testing. It would require a content strategist covering content creation, optimisation and an ability to market that content effectively using online PR skills. A social media expert would be integral to the team, not just because of the ?social search? angle but also to develop a community around the brand and products, whilst using social tools to communicate with customers at every stage of their buying journey from promotions to customer service. I?d also argue an analyst would be needed who can interrogate tools such as Google Analytics to understand the buying journey of customers and make informed decisions on how to optimise marketing channels and drive efficiency.

It will also need one of those people, or somebody senior to them, to have the expertise and vision to develop the strategy and ensure it is working in unison with offline marketing and PR activity. Nothing can work in a silo.

Of course, the specific skills required will differ from business to business and will be dependent on the sector but the point I seek to make here is that both in terms of skill and man hours, it is simply impossible for one person to deliver an effective search strategy on their own.

Inevitably, this means that the cost of taking search in-house is much higher than might be initially anticipated. Hiring a team of four or five is a very different proposition to hiring one person, not just in terms of salary but also the many other costs associated with recruitment and the wellbeing of staff. More often than not, it simply does not make commercial sense to build an in-house team. At least the same level of expertise and experience can be bought in at a significantly lower rate by partnering with an agency.

Another issue to consider when it comes to resourcing is the availability of skilled staff. In Econsultancy?s recent SEO Buyers Guide one of the key industry issues cited by agencies was the shortage of skilled and experienced workers. In short, there are just not enough digital marketers to satisfy a growing agency market. Therefore, brands will often find themselves competing with agencies for staff. Yet agencies can offer something that many brands cannot; the opportunity to work across a wide variety of clients and campaigns which adds greatly to the experience an employee can gain. So whilst it is by no means impossible to attract the best talent to work client side, it is by no means easy and will require a competitive package to do so.

Conclusion
As the recession continues to bite, brands will rightly question the value they receive from agencies and whether costs can be cut and efficiency improved by managing their search strategy in-house.

But to do so, requires a greater investment than many brands may plan for. Natural search has evolved greatly in recent years to require a broad range of skills that, in turn, impact the resource required to deliver an effective strategy. This needs to be carefully considered before brands make the decision to manage search marketing in-house.

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Former Constellation CEO launches online drinks retailer

22nd June, 2012 by Patrick Schmitt

New online wine and spirit retailer?CellarVieWines.com?has been declared formally launched.

The UK-based retail operation, which was conceived by former CEO of BRL Hardy Europe and Constellation Europe Christopher Carson, promises to offer consumers ?something different? and ?demystify wine for the younger audience?.

Speaking of the business, Christopher said, ?Mindful that there is a wealth of outstanding young talent seeking an opportunity to establish a career with a genuine chance to flourish, and noticing the advent of online sales growth and premium wines over ?5 recording a 30% plus market share, there appeared to be a great recipe for a new business.?

Working alongside Christopher at CellarVieWines.com is his son Jonathan, with support from Charlotte Hey, former publisher at the drinks business, and Nigel Barden, BBC food and drink broadcaster and the drinks editor for Reader?s Digest magazine.

?I strongly believe CellarVie Wines has the potential to offer consumers something different, and hopefully the website and our dynamic young team can breathe new life into the conventional perceptions of the wine industry,? added Christopher.

Click here to read more about CellarVieWines.com

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Saturday, June 23, 2012

Video: Crew compartment fits into Super Guppy

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Hayden coach Shawn Baumgartner delivers a playcall to his team during a scrimmage Friday in Hayden.

Photo detail

June 22, 2012

Hayden coach Shawn Baumgartner delivers a playcall to his team during a scrimmage Friday in Hayden. The Tigers are switching to 8-man football this year after declining enrollment pushed the school below the state?s 11-man classifications.

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