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Monday, October 31, 2011

#CHEAP Proti Diet Tropical Fruits Concentrated Drink Mix (7 servings)Protidietbtl601001_s

Proti Diet Tropical Fruits Concentrated Drink Mix (7 servings)



Proti Diet Tropical Fruits Concentrated Drink Mix (7 servings)



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Proti Diet Tropical Fruits Concentrated Drink Mix (7 servings) Overview



Try all 7 flavors Wildberry, Green Tea & Cranberry, Tropical Fruit, Orange, Grape, Peach/Mango, and Kiwi/Melon concentrated drink mix pouches. Just add to bottled or fresh water to get instant 15 grams of protein. Perfect for on-the-go lifestyles.





Proti Diet Tropical Fruits Concentrated Drink Mix (7 servings) Feature



  • 15 grams of protein in each serving, just mix with 5-8 ounces of cold water!
  • 0grams of fat, only 60 calories each, Omg Cholesterol, 1-2 gram sugar
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Ombuds of Texas Will Discuss Compliance and Ethics Programs at Next Meeting

The OOT meeting on Wednesday, November 9, 2011 will focus on the interaction between the Ombuds and three other organizational functions: compliance, ethics and employee assistance programs. The group will also consider adding new members to the leadership team.

The three panels will be:

What Ombuds Need to Know About Compliance and Ethics Programs
  • Rudy Green, J.D., Director, University Compliance Services, University of Texas at Austin
  • Daniel J. Sullenbarger, Vice President of Corporate Compliance & Ethics, Marathon Oil
How Compliance and Ethics Programs and Ombuds’ Offices Can Work Together (Moderated by Jennifer Sims, Staff Ombuds, University of Texas at Austin, and Mary Steinhardt, Faculty Ombuds, University of Texas at Austin [bold not in original, see note below])
  • Rudy Green, J.D., Director, University Compliance Services, University of Texas at Austin
  • Daniel J. Sullenbarger, Vice President of Corporate Compliance & Ethics, Marathon Oil
Collaborating with Employee Assistance Programs
  • Jeff Stellmach, EAP, The University of Texas at Austin
  • Susan Harnden, EAP, The University of Texas at Austin 
The meeting will be hosted by the University of Texas at Austin. (Ombuds of Texas.)


Note: The Ombuds Blog has adopted a style rule of putting the names of Organizational Ombuds in bold type.  The original document from OOT did not distinguish the names of the participants. 

Job Posting: U.S. Navy

The Navy is hiring an Ombudsman Coordinator for its Commander Navy Installations Command, Fleet and Family Support Program. Based in Washington, DC, the position will be responsible for providing program/policy analysis and management expertise, including resource planning and development of program initiatives for the Navy's Ombudsman Program.

Applicants must have executive-level planning and budgeting experience. The position is open only to U.S. citizens and a Secret level security clearance is required. The GS-12 position pays $74,872-$97,333 per year. Applications are due November 7, 2011. (Federal Government Jobs, vacancy no. NW10343-12-553346K1186364.)

Update: Court Approves Settlement Creating Ombuds Program for Pfizer

The federal court has approved the settlement of a shareholder lawsuit against Pfizer, Inc., and its subsidiary Pharmacia & Upjohn Company, Inc., that will require the company to create an Ombuds program for employees.


The court's order states:
Separately, the proposed settlement requires Pfizer to create an Ombudsman program so as to provide the company's [*340] employees with an alternative, confidential means for bringing work-related concerns to the attention of senior management without fear of reprisal. See Corporate Governance Proposal at 6. The Ombudsman will operate a stand-alone office under the direction of Pfizer's Chief Compliance Officer, and is authorized to report his or her concerns directly to the Regulatory Committee. Id. All conversations with the Ombudsman will remain confidential, except where the employee raises an issue that risks harm to an individual or the company or where disclosure is required by law. Id.
The order also said, "Both plaintiffs' and defendants' experts also point to the Ombudsman program ... [**15] as likely to materially enhance the Company's ability to meet its compliance obligations." (The case cite is In re Pfizer Inc. S'holder Derivative Litig., 780 F. Supp. 2d 336, 341 (S.D.N.Y. 2011).)

Court Dismisses Lawsuit Filed by Ombuds Against The City College

The federal trial court in New York has dismissed a lawsuit filed by Diane Sank against The City College of New York. Sank claimed that the College retaliated against her after she, in her capacity as Ombudsperson, opposed the removal of a former of an academic appointee.

Sank was first elected as the College's Ombuds in 2003 and served through 2010. In 2005, Sank investigated the removal of Director of the Asian Studies Program and concluded it was improper. Over the next two years, the City College reduced the number of rooms where Sank had been permitted to store materials temporarily. Sank has stated that the college's action was wrongfully motivated by of her age, gender and disability, and in retaliation for her opinion in 2005. The court found that the claims were procedurally barred and lacked sufficient evidence of wrongdoing and thus dismissed the lawsuit. Sank was representing herself. (The case cite is Sank v. City Univ. of N.Y., 2011 U.S. Dist. LEXIS 125016, 2-3 (S.D.N.Y. Oct. 27, 2011).)

Note: The case did not address the role or duties of an Ombuds.

Composites centre holds promise for automotive

The Engineer
Oct 31, 2011

Transformers:The NCC’s autoclaves turn layers of material into solid components


A new centre of excellence is seeking to enhance the UK’s composites expertise.

Ever since the financial crisis took hold in 2007, politicians have been shouting over each other for a ’rebalancing of the economy’ away from financial engineering towards real engineering and high-value manufacturing.

This of course misses the point that the UK was already punching above its weight in manufacturing, with unique expertise in particular areas. Nevertheless the ensuing credit problem risks losing this position and missing out on valuable opportunities with fledgling technologies, as companies scale back on research and development.

Partly in response to this threat, the government has created the High Value Manufacturing Technology and Innovation Centre (HVM-TIC) a consortium of seven centres from across the UK (see panel one).

The newest of these and arguably the most ambitious in scope is the National Composites Centre (NCC) in Bristol. It will cater for a range of potential partners, from individual university research groups to global corporations, across different industrial sectors. As a corollary it also aims to drive down carbon emissions through the widescale uptake of composite components.

’One of the key reasons for the growth of composites is that you can make things lighter, and for anything that moves if you make it lighter you need less energy to make it move, to make it go round corners or stop it’s pretty fundamental Newtonian laws,’ said Peter Chivers, NCC chief executive.

Of course, the UK has decades of composite experience in specialist aerospace components and performance cars McLaren being the first company to use the technology in Formula 1 motorsport back in 1981. But this expertise has tended to be somewhat isolated and focused on particular processes or single components. Some believe that has prevented the transfer of technologies and the emergence of a unified ’UK composites industry’.
To read more click here...


Additional Information:

Engineer aims to create array of clean-energy jobs in Delaware

Delawareonline.com.
Oct 30, 2011



Yushan Yan's new laboratory in Newark is just starting to show signs of life -- vibrancy that state and University of Delaware officials hope will springboard innovation in coming years.

Yan is a new engineering professor at the university, and arrived here this summer with a 16-person crew: nine early-career scientists and seven eager doctoral candidates. They followed the renowned energy researcher across the country, from the University of California at Riverside.

Some had hung a sign in their new space at the Delaware Technology Park, a nonprofit campus for start-ups and established business: "Welcome to Yan's House of Science."

The house goal: commercialization. Yan, who has already licensed technology to start-up commercial ventures, says he hopes to market fuel cell membranes and catalysts that can help cheaply convert hydrogen into power for homes and cars, and lead to efficient batteries for clean energy storage. It's technology that could, theoretically, create a bounty of clean energy jobs in Delaware and elsewhere.

"I really want to commercialize technology that can improve society," said Yan, who is working on technology to replace platinum in fuel cell materials to drive down their price. "We don't wish to build a ninth floor on an eight story building. We want to start from the foundation."Some say Yan's recruitment -- and his $1.9 million setup, financed by the tech park campus and paid for by a lease to the university -- is yet another manifestation of the school's foray into state economic development. Babatunde A. Ogunnaike, a professor and interim dean of the university's chemical engineering department, said "a significant part of the driving force" behind Yan's recruitment was that the professor has skill in commercializing research ideas.
To read more click here...

Technology for Charging The Next-Generation of Environmentally Friendly Vehicles

Engineerblogger
Oct 31, 2011


APEI, Inc.'s award winning high performance silicon carbide (SiC) power module technology for increased efficiency and power density. Credit: Arkansas Power Electronics International, Inc.


Plug-in electric vehicles represent a new direction for environmentally friendly transportation. Unfortunately, plug-in electric cars are currently grid-tie power electronics that can require large quantities of energy--and time--to charge. As plug-in cars become more and more widely used, large amounts of power will be required to quickly charge these vehicles.

Arkansas Power Electronics International (APEI) is one of the companies working on a solution to this challenge. A small research and development company based in Fayetteville, Arkansas, APEI's goal is to build state-of-the-art technology for the development and application of power electronics.

The Department of Energy's research agency has included APEI as one of the agencies to fund, helping to develop more energy efficient power electronics. As part of the Agile Delivery of Electric Power Technology project, APEI's research will help create a power module that can support the demands of plug-in electric vehicles.

Improved semiconductors

APEI has spent the last 10 years working on a way to implement silicon carbide semiconductors into its power electronics to replace standard silicon semiconductors. Silicon carbide semiconductors are applied in situations where extreme heat and harsh environment are commonplace, such as the wing of an aircraft or the hood of a hybrid car. Because of the extreme conditions, silicon carbide semiconductors are built to withstand potential temperatures in excess of 600 degrees Celsius.

Modern silicon semiconductors generally can't handle temperatures higher than 150 degrees Celsius. Heat is no longer a limitation when designing silicon carbide power modules, but is instead a design factor. The silicon carbide power module that APEI helped develop along with the University of Arkansas won an R&D 100 award in 2009 for being one of 100 new global technological breakthroughs.

"Silicon carbide allows a lower on-resistance for a given blocking voltage versus traditional silicon," said Ty McNutt, director of business development at APEI. A lower on-resistance has profound advantages for a semiconductor. "Smaller and faster switches can be fabricated with less switching and conduction losses," said McNutt. APEI's silicon carbide semiconductors are more energy efficient than silicon semiconductors.

Performance power modules

As a result of the silicon carbide semiconductor's development, APEI also designed a new power module that can help provide the power conversion necessary to charge plug-in electric vehicles. "The advantages are many, from higher efficiency to reduced size and weight enabled by high frequency operation," said McNutt.

The new power module is called the multichip power module, and is designed to be a very compact, cost-efficient, lightweight solution for the plug-in vehicle's charging dilemma. APEI's patented power module technology integrates both the power and control circuitry into one compact power module.

The development of silicon carbide semiconductors has led to the need for power modules that will reduce cost and increase efficiency for power electronics. "APEI, Inc.'s multichip power module technology is designed around the silicon carbide components," said McNutt. Because of the "ultra-high speed switching for greater efficiency... the power modules are also capable of temperatures in excess of 250 degrees Celsius, offering the end user greater thermal headroom over traditional silicon electronics."

Taking the heat

Since silicon carbide semiconductors operate at such high temperatures, the thermal management system within the power module does not have to play such an integral role in the module's function. With a lighter and smaller thermal management system, the multichip power module can be much smaller.

APEI's new power modules aim to produce a power module that charges at an efficiency rate of greater than 96 percent while most modern power modules today only charge at efficiencies of less than 92 percent.

APEI's power module technology is also a very high power density module. The power output per kilogram for APEI's silicon carbide power module is 25 kilowatts, while other "state-of-the-art" power modules only put out 2.5 kilowatts per kilogram.

Future of plug-ins

"The higher temperature capability and higher switching frequency one can achieve by combining these two technologies will allow power electronics systems to obtain a tenfold reduction in size and weight if the system is designed around the technology," said McNutt.

APEI's charging module is one of the new technologies paving the way for green energy vehicles in the future. Weight reduction and increases in efficiency make the future look promising for technologies implementing silicon carbide technology. Electric vehicles offer an innovative direction for personal transportation, especially as rapid-charging is developed to make them more convenient.

As plug-in hybrids continue to become more and more widely available, it's very possible that gasoline-powered vehicles will no longer be the most popular option for personal transportation.

Source:  National Science Foundation (NSF)

Highly efficient oxygen catalyst found could prove useful in rechargeable batteries and hydrogen-fuel production

MIT News
Oct 31, 2011

Materials Science and Engineering Graduate Student Jin Suntivich (left) and Mechanical Engineering Graduate Student Kevin J. May (right) inspecting the electrochemical cell for oxygen evolution reaction experiment. Photo: Jonathon R. Harding


A team of researchers at MIT has found one of the most effective catalysts ever discovered for splitting oxygen atoms from water molecules — a key reaction for advanced energy-storage systems, including electrolyzers, to produce hydrogen fuel and rechargeable batteries. This new catalyst liberates oxygen at more than 10 times the rate of the best previously known catalyst of its type.

The new compound, composed of cobalt, iron and oxygen with other metals, splits oxygen from water (called the Oxygen Evolution Reaction, or OER) at a rate at least an order of magnitude higher than the compound currently considered the gold standard for such reactions, the team says. The compound’s high level of activity was predicted from a systematic experimental study that looked at the catalytic activity of 10 known compounds.

The team, which includes materials science and engineering graduate student Jin Suntivich, mechanical engineering graduate student Kevin J. May and professor Yang Shao-Horn, published their results in Science on Oct. 28.

The scientists found that reactivity depended on a specific characteristic: the configuration of the outermost electron of transition metal ions. They were able to use this information to predict the high reactivity of the new compound — which they then confirmed in lab tests.

“We not only identified a fundamental principle” that governs the OER activity of different compounds, “but also we actually found this new compound” based on that principle, says Shao-Horn, the Gail E. Kendall (1978) Associate Professor of Mechanical Engineering and Materials Science and Engineering.

Many other groups have been searching for more efficient catalysts to speed the splitting of water into hydrogen and oxygen. This reaction is key to the production of hydrogen as a fuel to be used in cars; the operation of some rechargeable batteries, including zinc-air batteries; and to generate electricity in devices called fuel cells. Two catalysts are needed for such a reaction — one that liberates the hydrogen atoms, and another for the oxygen atoms — but the oxygen reaction has been the limiting factor in such systems.
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Sarawak must keep to right path in building fairer, brighter future for all

Admittedly, the road ahead will not by any mean easy in spite of the fact that the Government both at the federal and State levels have formulated the right strategy for development towards attaining the objectives of vision 2020.

The task is being outlined in the development of New Economic Model (NEM) with the primary objective to transform the economy from the middle income to high income economy by the year 2020.  The target is have at least US15,000 or in today’s money about RM45,000 per capita income, which is the international measurement for the status of a developed nation, by the year 2020.  The State’s per capita income now is RM33,000.

Obviously, for Sarawak to meet the difference of RM12,000 in 10 years is not really an arduous task.  The target can be achieved with a modest growth of less than 5% in the next 10 years. However, the challenge to attain the status of a developed nation may cause some short –term pains but will pay off with a stronger Malaysian future. It will, among other things, demand Malaysians to be open to changes that can be painful and shortcuts will be tempting.

The development of the new economics model will be a defining moment. It will be a daunting task but an essential one for the future of the State and nation. But it necessitates the State to pursue an ambitious plan in the process. The State and the country must choose the right path, move forward and build a fairer, stronger and dynamic Malaysia.  The development will be guided by three principles – high income, sustainability and inclusiveness to drive the country’s economic progress to become a developed nation. 


As inclusiveness is one of the key components of NEM, the first priority must be to eradicate poverty irrespective of race. The country cannot have high income, sustainable and inclusive economy when disparities in income are not addressed to.  In this respect, the Bumiputra community, comprising of the Malays and other indigenous groups in Sarawak and Sabah, still form the majority of people, who risk being lagged behind if support and assistance are not being given to them. Hence, the implementation of NEM must help those in low income group based on needs instead of race; it will still largely benefit the Bumiputra community.

The development of New Economic Model will be carried out based on the following strategic initiatives as outlined by the Prime Minister, Dato Seri Mohd. Najib Tun Razak:  
  • Re-energising the private sector to lead growth;
  • Developing a quality workforce and reducing dependency on foreign labour;
  • Creating a competitive domestic economy;
  • Strengthening the public sector;
  • Putting in place transparent and market friendly affirmative action;
  • Building knowledge based infrastructure;
  • Enhancing the sources of growth; and
  • Ensuring sustainability of growth towards 2020 and beyond. 

Obviously, the new development will demand conscientious efforts to be made to marshal the people to share a common aim and learn to co-operate in the continuous development of the economy. The process must never stop even if the objectives have been met because the higher the economy goes up the more success that the people want to achieve; generally the people can never be satisfied with what they have already achieved. 

The people, on their part, must involve more actively in the development of New Economic Model. They must keep up the spirit of the struggle that has enabled the Government to lead the people from the bottom to move upwards.  Understandably, there must be sufficient machinery to monitor and identity groups that could be left out in the process of development. More importantly, ways must be found to overcome the problems that may crop up from time to time.

Chief Minister, Pehin Sri Haji Abdul Taib Mahmud, in his recent speech during a gathering of PBB members in Kuching, says he is committed to the struggle to upgrade the quality of life of the people, regardless of their ethnic origins and religious beliefs, through better quality of manpower. Therefore, conscientious efforts must continue to be made to build the confidence of the people in their own future. However, they must be prepared to adjust to the new demands of time. They must be mobile and be more receptive to new ideas and observant of the discipline.


He is happy that efforts to open up vast tracts of land for estates and set up more industries that can create jobs for young people have been able to accelerate the overall pace of economic development towards the year 2020 and beyond. The new industries can employ lots of people and pay them higher salaries.   Undoubtedly, the opening up of the vast tracts of land for commercial purposes serves as the best way to absorb people, who are considered to be under- employed in rural areas, to become gainfully employed .

Pehin Sri Abdul Taib says that Sarawak has been able to double labour force during the last 20 years to 1 million with the bright prospects to increase the number by another 1.5 million with the development of SCORE. All of these depend on the State’s ability to upgrade the quality of manpower.  In any case, the necessity to produce more workers with technical skills and expertise is coming up more and more in the development of human capital. 

He says the ICT revolution, though not fully developed in Sarawak, has helped to make learning for better education easier for the people, the new generation in particular.  The State government, during the last two or three years, has been developing YFi network to get every school in rural areas to have access to computer.  Thus far, Sarawak has been able to make 50% penetration of ICT to rural areas.

That was the outline, which was different from Peninsular Malaysia with slightly better infrastructure, in the development of ICT in Sarawak. The State has to fight all kinds of battles including physical as well as social and economic infrastructure in the development of ICT.  

Pehin Sri Abdul Taib says Sarawak, from the very beginning, cannot rely on domestic market as the population is small  and scattered over 5,000 settlements with 60% of them each has about 30 to 40 families only. It is not the kind of environment suitable to develop the country. But somehow, the State government has been able to formulate a long-term plan to develop a three -tier population centres namely towns, secondary towns and rural growth centres.  The development is based on a concept to have 5,000 people as the minimum size for the economic community for an area.

He says the people in Sarawak, unlike their counterparts in Peninsular Malaysia who can rely on domestic market, tend to focus on international market as the benchmark for progress in future. They are buoyed by the success to upgrade the timber industry to become more modern and sustainable.  The timber industry has been making conscientious efforts to produce niche products for the international market. 


Hence, the industry has been able market niche products like high quality plywood, processed timber, furniture and other things without depending on the strength of Indonesia as it used to do before.  Indonesia used to dump timber products any time the market trends are unfavourable to the industry. Such practices used to have adverse effects on the local timber industry.

He says the practice is to allow seven big timber companies to stock up timber until the situation in the market improves. The companies are big enough to do so and be specialized in the export market. The State will do the same thing with palm oil and the by-products.  For example, if palm oil has a flow price, which can be considered to be unfair to the commodity, the State will stock the commodity until it can command reasonable prices. 

Pehin Sri Abdul Taib says eventually, the State will process more palm oil to supply bio diesel. Besides, continuous research is being made to determine how much of the contents of palm oil can be converted into more sophisticated products. Obviously, the development of oil palm industry will require wide range of trained personnel at various levels.

Therefore, efforts must be made to encourage more young people to pursue graduate and post-graduate programs in areas like chemistry, bio-chemistry, agronomy, bio-technology and others related to agriculture in anticipation of all sorts of agro-based industries that will come up.

Obviously, manpower planning and development will remain a real challenge for future leaders of Sarawak. For example, they must be able to convince young people to prepare themselves for jobs that will come up with the development of a number of gigantic and downstream industries towards the year 2020 and beyond.

The young people must avoid pursuing courses that will not help them to find employment in the State and country from now onward. It is the only way to overcome the problem of mismatch between courses being pursued and jobs available in the market. Ultimately, manpower planning and development must be able to strike a balance between courses being pursued and jobs available in the market.  


benuasains


 *Photos Source: google.com.my






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The Organizational Ombudsman for the Ontario Workplace Safety and Insurance Board is hiring a Fair Practices Commission Specialist to start December 1, 2011 in Toronto.

The Commission provides an independent, neutral and confidential resource for injured workers, employers and service providers who have complaints about the fairness of the WSIB’s processes or services.  Applicants should have experience in impartial investigations and dispute resolution, and proficiency in Microsoft Office. Knowledge of legislation relevant to the WSIB is an asset. Applications are due by October 31, 2011. No salary indicated. (FPC Posting.)

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Boeing funds strategic carbon fibre recycling collaboration

Engineerblogger
Oct 28, 2011




In desert ‘aircraft graveyards’, where retired planes often go when flight service ends, good parts are removed and sold and many materials are recycled. Increasingly popular strong, light carbon fibre composites (or carbon fibre reinforced plastics) were once too difficult to recycle, so went to landfill.

In the past decade, researchers at Nottingham led by Dr Steve Pickering have developed ways to recycle carbon fibre composites. They have worked with Boeing since 2006. Now Boeing plans to invest $1,000,000 per year in a strategic research collaboration – an inclusive partnership in which Boeing will collaborate with Nottingham in all its composites recycling activities.

Roger Bone, President of Boeing UK, launched this major new collaborative investment in carbon fibre recycling research involving Boeing Commercial Airplanes and The University of Nottingham’s Faculty of Engineering when he visited Nottingham on Monday 24 October.

First introduced into military aircraft 30 years ago, carbon fibre composites are stronger and lighter than any other commonly available material. This helps reduce fuel consumption and carbon emissions in aircraft making modern passenger planes more efficient and cheaper to fly. Advanced composite materials comprise half the empty weight of Boeing’s new 787 Dreamliner.

“Boeing wants to be able to recycle composite materials from manufacturing operations to improve product sustainability and to develop more efficient ways of recycling aircraft retired from commercial service,” said Sir Roger Bone, President of Boeing UK Ltd.

“The ultimate aim is to insert recycled materials back into the manufacturing process, for instance on the plane in non-structural sustainable interiors applications, or in the tooling we use for manufacture. This work helps us create environmental solutions throughout the lifecycle of Boeing products.”

“Aerospace is a priority research area for this University,” said Professor Andy Long, Dean of the Faculty of Engineering, Professor of Mechanics of Materials and Director of the Institute for Aerospace Technology. “This recognises the sector’s potential for growth and our ability to deliver influential world-class research and knowledge transfer to address global issues and challenges.

“Our agreement formalizes a long-term working commitment between The University of Nottingham and Boeing. We have been working together for over six years on mutual R&D activities in aircraft recycling as well as novel applications for power electronics. We share the aims of improving environmental performance of aircraft and using materials more sustainably.

In the strategic collaboration on composites recycling Boeing will provide funding of $1,000,000 per year initially for three years, but with the intention to continue with a rolling programme. The collaboration with Boeing will further develop:

  • recycling processes
  • technology to process recycled fibre into new applications
  • and new products using recycled materials, in collaboration with other suppliers.

Boeing was a founding member six years ago of AFRA, the Aircraft Fleet Recycling Association. AFRA is a non-profit standards-setting association for the aerospace industry. Nottingham joined two years later, and a significant part of this agreement will involve working with several other AFRA member companies on the very difficult challenge of aircraft interiors recycling.

“Through this work, Boeing and Nottingham intend to develop quality and performance standards for recycled aerospace carbon fibre,” said Bill Carberry, Project Manager of Aircraft and Composite Recycling at Boeing and Deputy Director of the Aircraft Fleet Recycling Association.

“Our research at Nottingham has been developing recycling processes for carbon fibre composites for over 10 years in projects funded by industry, UK Government and EU,” said Dr Steve Pickering. “As well as recycling processes, we are creating applications to reuse recycled material.

“With Nottingham, Boeing is a partner in the ongoing Technology Strategy Board (TSB) funded project AFRECAR (Affordable Recycled CARbon fibre). With colleagues Professor Nick Warrior and Professor Ed Lester, and industrial collaborators including Boeing, we are developing high value applications for recycled carbon fibre along with new recycling processes.”

Source: University of Nottingham

The Energy that Drives the Stars – Different Technologies for Unique Demands

Lawrence Berkeley National Laboratory
Oct 27, 2011


The NDCX-II accelerator is specifically designed to study warm dense matter. By using an induction accelerator and a neutralized drift compression system, the ion pulse can be shaped to deliver most of its energy to the target surface.



A video simulation of how the NDCX-II accelerator and neutralized drift compression system shape ion pulses to deliver most of their energy on target.


 

Berkeley Lab, a partner in the Heavy Ion Fusion Sciences Virtual National Laboratory (HIFS VNL) with Lawrence Livermore and the Princeton Plasma Physics Laboratory, has been a leader in developing a special kind of accelerator for experiments aimed at fusion power, called an induction accelerator. The induction principle is like a string of transformers with two windings, where the accelerator beam itself is the second winding. Induction accelerators can handle ions with suitable kinetic energy at higher currents (many more charged particles in the beam), much more efficiently than RF accelerators.

“Choosing the best kind of accelerator and the best kind of target are just the start of the fusion-power challenge,” says Seidl. “To put the right amount of energy on the target in the right pattern, scores of beams are needed – and it must be possible to focus them tightly onto a target, only a few millimeters wide, at a distance of several meters. New targets have to be injected into the chamber five to ten times each second, and the chamber has to be designed so the energy from ignition is recovered. Meanwhile the final beam-focusing elements have to be protected from the explosion debris, the energetic particles, and the x-rays.”

Some of these challenges would be easier to meet if the target didn’t have to be hit from both sides at once. Researchers are encouraged by indications that target burning, hot enough to spark and sustain ignition, can be initiated with fewer beams illuminating the target from only one side.

This side of fusion: warm dense matter

While investigating approaches to heavy-ion fusion, Berkeley Lab and its partners in the HIFS VNL are also tackling other scientific questions related to heating matter to high temperatures with ion beams. The current research program is designed to produce a state of matter that’s on the way to fusion but not as hot – a state perhaps facetiously called warm dense matter, which is “warm” (10,000 degrees Kelvin or so) only by comparison to the millions of degrees typical of fusion reactions.

Not a heavy-ion experiment, the Neutralized Drift Compression Experiment II (NDCX-II) instead uses an induction linear accelerator to accelerate and compress bunches of very light lithium ions to moderate energies. NDCX-II confronts a problem common to all accelerators, the space-charge problem, in which particles of the same charge – positive, in the case of atomic ions – repel each other; the bunches try to blow themselves up. For a given number of ions per bunch, this sets a lower limit on the pulse length.
To read more click here...


Related Information:

    Robotic Technology to help precision eye-surgery

    Engineerblogger
    Oct 28, 2011


    Thijs Meenink and his eye surgery robot. Photo: Bart van Overbeeke


    Researcher Thijs Meenink at TU/e has developed a smart eye-surgery robot that allows eye surgeons to operate with increased ease and greater precision on the retina and the vitreous humor of the eye. The system also extends the effective period during which ophthalmologists can carry out these intricate procedures. Meenink will defend his PhD thesis on Monday 31 October for his work on the robot, and intends later to commercialize his system.

    Filters-out tremors
    Eye operations such as retina repairs or treating a detached retina demands high precision. In most cases surgeons can only carry out these operations for a limited part of their career. “When ophthalmologists start operating they are usually already at an advanced stage in their careers”, says Thijs Meenink. “But at a later age it becomes increasingly difficult to perform these intricate procedures.” The new system can simply filter-out hand tremors, which significantly increases the effective working period of the ophthalmologist.

    Same location every time
    The robot consists of a ‘master’ and a ‘slave’. The ophthalmologist remains fully in control, and operates from the master using two joysticks. This master was developed in an earlier PhD project at TU/e by dr.ir. Ron Hendrix. Two robot arms (the ‘slave’ developed by Meenink) copy the movements of the master and carry out the actual operation. The tiny needle-like instruments on the robot arms have a diameter of only 0.5 millimeter, and include forceps, surgical scissors and drains. The robot is designed such that the point at which the needle enters the eye is always at the same location, to prevent damage to the delicate eye structures(shown below in "Eye Surgery Video 1").

    Eye Surgery Video 1



    Quick instrument change
    Meenink has also designed a unique ‘instrument changer’ for the slave allowing the robot arms to change instruments, for example from forceps to scissors, within only a few seconds. This is an important factor in reducing the time taken by the procedure(shown below in "eye surgery video 2"). Some eye operations can require as many as 40 instrument changes, which are normally a time consuming part of the overall procedure.

    Eye Surgery Video 2


    High precision movements
    The surgeon’s movements are scaled-down, for example so that each centimeter of motion on the joystick is translated into a movement of only one millimeter at the tip of the instrument. “This greatly increases the precision of the movements”, says Meenink.
    Haptic feedback The master also provides haptic feedback. Ophthalmologists currently work entirely by sight – the forces used in the operation are usually too small to be felt. However Meenink’s robot can ‘measure’ these tiny forces, which are then amplified and transmitted to the joysticks. This allows surgeons to feel the effects of their actions, which also contributes to the precision of the procedure.


    Comfort
    The system developed by Meenink and Hendrix also offers ergonomic benefits. While surgeons currently are bent statically over the patient, they will soon be able to operate the robot from a comfortable seated position. In addition, the slave is so compact and lightweight that operating room staff can easily carry it and attach it to the operating table.
    New procedures Ophthalmologist prof.dr. Marc de Smet (AMC Amsterdam), one of Meenink’s PhD supervisors, is enthusiastic about the system – not only because of the time savings it offers, but also because in his view the limits of manual procedures have now been reached. “Robotic eye surgery is the next step in the evolution of microsurgery in ophthalmology, and will lead to the development of new and more precise procedures”, de Smet explains.

    Market opportunities

    Both slave and master are ready for use, and Meenink intends to optimize them in the near future. He also plans to investigate the market opportunities for the robot system. Robotic eye surgery is a new development; eye surgery robots are not yet available on the market.

    Source: Eindhoven University of Technology (TU/e)

    Engineer creates cartilage with 3D printer and living "ink"

    Engineerblogger
    Oct 28, 2011
     
     
    Lawrence Bonassar, Ph.D., Associate Professor of Biomedical Engineering, describes a cutting-edge process he has developed in which he uses a 3D printer and "ink" composed of living cells to create body parts such as ears.

    Bonassar's research group focuses on the regeneration and analysis of musculoskeletal tissues, including bone and cartilage.

    Source: Cornell University

    Graphene grows better on certain copper crystals

    Engineerblogger
    Oct 28, 2011


    An illustration of rendered experimental data showing the polycrystalline copper surface and the differing graphene coverages. Graphene grows in a single layer on the (111) copper surface and in islands and multilayers elsewhere. Graphic by Joshua D. Wood


    New observations could improve industrial production of high-quality graphene, hastening the era of graphene-based consumer electronics, thanks to University of Illinois engineers.

    By combining data from several imaging techniques, the team found that the quality of graphene depends on the crystal structure of the copper substrate it grows on. Led by electrical and computer engineering professors Joseph Lyding and Eric Pop, the researchers published their findings in the journal Nano Letters.

    “Graphene is a very important material,” Lyding said. “The future of electronics may depend on it. The quality of its production is one of the key unsolved problems in nanotechnology. This is a step in the direction of solving that problem.”

    To produce large sheets of graphene, methane gas is piped into a furnace containing a sheet of copper foil. When the methane strikes the copper, the carbon-hydrogen bonds crack. Hydrogen escapes as gas, while the carbon sticks to the copper surface. The carbon atoms move around until they find each other and bond to make graphene. Copper is an appealing substrate because it is relatively cheap and promotes single-layer graphene growth, which is important for electronics applications.

    “It’s a very cost-effective, straightforward way to make graphene on a large scale,” said Joshua Wood, a graduate student and the lead author of the paper.


    “However, this does not take into consideration the subtleties of growing graphene,” he said. “Understanding these subtleties is important for making high-quality, high-performance electronics.”

    While graphene grown on copper tends to be better than graphene grown on other substrates, it remains riddled with defects and multi-layer sections, precluding high-performance applications. Researchers have speculated that the roughness of the copper surface may affect graphene growth, but the Illinois group found that the copper’s crystal structure is more important.

    Copper foils are a patchwork of different crystal structures. As the methane falls onto the foil surface, the shapes of the copper crystals it encounters affect how well the carbon atoms form graphene.

    Different crystal shapes are assigned index numbers. Using several advanced imaging techniques, the Illinois team found that patches of copper with higher index numbers tend to have lower-quality graphene growth. They also found that two common crystal structures, numbered (100) and (111), have the worst and the best growth, respectively. The (100) crystals have a cubic shape, with wide gaps between atoms. Meanwhile, (111) has a densely packed hexagonal structure.

    “In the (100) configuration the carbon atoms are more likely to stick in the holes in the copper on the atomic level, and then they stack vertically rather than diffusing out and growing laterally,” Wood said. “The (111) surface is hexagonal, and graphene is also hexagonal. It’s not to say there’s a perfect match, but that there’s a preferred match between the surfaces.”

    Researchers now are faced with balancing the cost of all (111) copper and the value of high-quality, defect-free graphene. It is possible to produce single-crystal copper, but it is difficult and prohibitively expensive.
    The U. of I. team speculates that it may be possible to improve copper foil manufacturing so that it has a higher percentage of (111) crystals. Graphene grown on such foil would not be ideal, but may be “good enough” for most applications.

    “The question is, how do you optimize it while still maintaining cost effectiveness for technological applications?” said Pop, a co-author of the paper. “As a community, we’re still writing the cookbook for graphene. We’re constantly refining our techniques, trying out new recipes. As with any technology in its infancy, we are still exploring what works and what doesn’t.”

    Next, the researchers hope to use their methodology to study the growth of other two-dimensional materials, including insulators to improve graphene device performance. They also plan to follow up on their observations by growing graphene on single-crystal copper.

    “There’s a lot of confusion in the graphene business right now,” Lyding said. “The fact that there is a clear observational difference between these different growth indices helps steer the research and will probably lead to more quantitative experiments as well as better modeling. This paper is funneling things in that direction.”

    Source: University of Illinois

    Additional Information:

    A New Approach To Overcome Key Hurdle For Next-Generation Superconductors

    Engineerblogger
    Oct 28, 2011
     
    This snapshot of 3-D temperature distribution within YBCO tape during a quench illustrates that the temperature gradient can be very high locally, thus requiring the multiscale modeling approach Schwartz's team developed.

    Researchers from North Carolina State University have developed a new computational approach to improve the utility of superconductive materials for specific design applications – and have used the approach to solve a key research obstacle for the next-generation superconductor material yttrium barium copper oxide (YBCO).

    A superconductor is a material that can carry electricity without any loss – none of the energy is dissipated as heat, for example. Superconductive materials are currently used in medical MRI technology, and are expected to play a prominent role in emerging power technologies, such as energy storage or high-efficiency wind turbines.

    One problem facing systems engineers who want to design technologies that use superconductive materials is that they are required to design products based on the properties of existing materials. But NC State researchers are proposing an approach that would allow product designers to interact directly with the industry that creates superconductive materials – such as wires – to create superconductors that more precisely match the needs of the finished product.

    “We are introducing the idea that wire manufacturers work with systems engineers earlier in the process, utilizing computer models to create better materials more quickly,” says Dr. Justin Schwartz, lead author of a paper on the process and Kobe Steel Distinguished Professor and head of NC State’s Department of Materials Science and Engineering. “This approach moves us closer to the ideal of having materials engineering become part of the product design process.”

    To demonstrate the utility of the process, researchers tackled a problem facing next-generation YBCO superconductors. YBCO conductors are promising because they are very strong and have a high superconducting current density – meaning they can handle a large amount of electricity. But there are obstacles to their widespread use.

    One of these key obstacles is how to handle “quench.” Quench is when a superconductor suddenly loses its superconductivity. Superconductors are used to store large amounts of electricity in a magnetic field – but a quench unleashes all of that stored energy. If the energy isn’t managed properly, it will destroy the system – which can be extremely expensive. “Basically, the better a material is as a superconductor, the more electricity it can handle, so it has a higher energy density, and that makes quench protection more important, because the material may release more energy when quenched,” Schwartz says.

    To address the problem, researchers explored seven different variables to determine how best to design YBCO conductors in order to optimize performance and minimize quench risk. For example, does increasing the thickness of the YBCO increase or decrease quench risk? As it turns out, it actually decreases quench risk. A number of other variables come into play as well, but the new approach was effective in helping researchers identify meaningful ways of addressing quench risk.

    “The insight we’ve gained into YBCO quench behavior, and our new process for designing better materials, will likely accelerate the use of YBCO in areas ranging from new power applications to medical technologies – or even the next iteration of particle accelerators,” Schwartz says.

    “This process is of particular interest given the White House’s Materials Genome Initiative,” Schwartz says. “The focus of that initiative is to expedite the process that translates new discoveries in materials science into commercial products – and I think our process is an important step in that direction.”


    Source: North Carolina State University

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    Pi Mobility delivers The Difference with Autodesk 3D design software

    Engineerblogger
    Oct 19, 2011


    Electrifying the Bicycle - Pi Mobility

    In 2000, electric car industry veteran and Pi Mobility founder Marcus Hays set out to make a better and more environmentally friendly electric bike. The result was a vehicle 20-30 times more efficient than a conventional motorcycle.

    The key to making a product more sustainable is simply making it last longer. Electric bikes are traditionally made of thermoplastics, resulting in reliability issues in general, and dangerous cracks in particular. Using a solitary arch of recycled aluminum, Hays and team significantly increased the durability of their bike while dramatically reducing the amount of electricity required to produce it.

    Part of the Autodesk Clean Tech Partner Program, which supports clean technology innovators, Pi Mobility used the Autodesk solution for Digital Prototyping to produce a data-rich 3D digital prototype. Through the prototype, the company quickly realized how it could save $335,000 by adjusting its design, and calculated that over the next few years it would easily save seven figures, get to market much quicker than the competition, and attain profitability a full year ahead of schedule.

    Autodesk. Deliver The Difference that matters. Learn more at Autodesk.com/thedifference

    Thursday, October 27, 2011

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    Breakthrough Holds Promise for Hydrogen’s Use as Fuel Source

    Engineerblogger
    Oct 27, 2011

    The research team had to design and build ultra-high vacuum equipment to conduct the experiments.


    Imagine your car running on an abundant, environmentally friendly fuel generated from the surrounding atmosphere. Sounds like science fiction, but UT Dallas researchers recently published a paper in the journal Nature Materials detailing a breakthrough in understanding how such a fuel – in this case, hydrogen – can be stored in metals.

    “Hydrogen, which is in abundance all around us, has shown a lot of promise as an alternative fuel source in recent years,” said UT Dallas graduate student Irinder Singh Chopra. “Moreover, it’s environmentally friendly as it gives off only water after combustion.”

    Chopra is part of a collaborative effort among UT Dallas, Washington State University and Brookhaven National Laboratory to find ways to store hydrogen for use as an alternative fuel.

    Hydrogen has potential for use as an everyday fuel, but the problem of safely storing this highly flammable, colorless gas is a technological hurdle that has kept it from being a viable option.

    “We investigated a certain class of materials called complex metal hydrides (aluminum-based hydrides) in the hope of finding cheaper and more effective means of activating hydrogen,” Chopra said.

    “Our research into an aluminum-based catalyst turned out to be much more useful than just designing good storage materials,” he said. “It has also provided very encouraging results into the possible use of this system as a very cheap and effective alternative to the materials currently used for fuel cells.”

    This is the first step in producing many important industrial chemicals that have so far required expensive noble-metal catalysts and thermal activation. Essentially, the process can easily break apart molecular hydrogen and capture the individual atoms, potentially leading to a robust and affordable fuel storage system or a cheap catalyst for important industrial reactions.

    Chopra discovered that the key to unlocking aluminum's potential is to impregnate its surface with trace amounts of titanium that can catalyze the separation of molecular hydrogen.

    “It has long been theoretically predicted that titanium-doped aluminum can be used as an effective catalyst,” Chopra said. “We discovered, however, that a specific arrangement of titanium atoms was critical and made it possible to produce atomic hydrogen on aluminum surfaces at remarkably low temperatures.”

    For use as a fuel-storage device, aluminum could be made to release its store of hydrogen by raising its temperature slightly. This system presents a method for storing and releasing hydrogen at lower temperatures than what is currently available, which is critical for safe day-to-day applications.

    To perform these experiments, Dr. Jean-Francois Veyan, a research scientist in Chabal’s lab, greatly assisted Chopra in the design and construction of a sophisticated ultra-high vacuum equipment.

    “A critical aspect of the work was the ability to clean single crystal aluminum samples without damaging the arrangement of the surface atoms,” Veyan said. “Experience gathered from my earlier PhD work on aluminum was very important to help prepare these novel Ti-doped surfaces.”

    Dr. Yves Chabal, Texas Instruments Distinguished University Chair in Nanoelectronics and head of the University’s Department of Materials Science and Engineering, who oversaw the research program, praised the team’s achievements.

    “This is a good example of the kind of collaborative research that can lead to new advances in the field,” Chabal said, “and how painstaking work started five years ago can bring unexpected and exciting results.”

    UT Dallas researchers collaborated on the project with Dr. Santanu Chaudhuri, a theoretical senior scientist at Washington State University (funded by the Office of Naval Research). The UT Dallas researchers performed these experiments in Chabal’s Laboratory for Surface and Nanostructure Modification, fully supported by the Materials Sciences and Engineering Division of the office of Basic Energy Sciences, US Department of Energy (grant # DE-AC02-98CH10886).

    The research results will be presented by Chopra at the upcoming AVS: Science and Technology of Material, Interfaces, and Processing Symposium on Nov. 1 in Nashville, Tenn.


    Source: University of Texas at Dallas

    Canada's Largest Union Unveils Ombuds Program for Members

    The Canadian Union of Public Employees (Syndicat Canadien de la Fonction Publique), which counts more than half a million service workers as its members, will unveil an Ombuds program at its national convention next week. The Ombuds program was announced earlier this year and aims to respond to complaints of inappropriate behavior at national CUPE events.

    Volunteer Ombudspersons received a two-day training. According to conference materials, the Ombuds are confidential and do not take sides, but work with the parties involved to try and resolve the situation. (CUPE Union Education, Convention Program.)

    High-quality white light produced by four-color diode laser source

    Engineerblogger
    Oct 27, 2011

    Sandia researcher Jeff Tsao examines the set-up used to test diode lasers as an alternative to LED lighting. Skeptics felt laser light would be too harsh to be acceptable. Research by Tsao and colleagues suggests the skeptics were wrong. (Photo by Randy Montoya).


    The human eye is as comfortable with white light generated by diode lasers as with that produced by increasingly popular light-emitting diodes (LEDs), according to tests conceived at Sandia National Laboratories.

    Both technologies pass electrical current through material to generate light, but the simpler LED emits lights only through spontaneous emission. Diode lasers bounce light back and forth internally before releasing it.

    The finding is important because LEDs — widely accepted as more efficient and hardier replacements for century-old tungsten incandescent bulb technology — lose efficiency at electrical currents above 0.5 amps. However, the efficiency of a sister technology — the diode laser — improves at higher currents, providing even more light than LEDs at higher amperages.

    “What we showed is that diode lasers are a worthy path to pursue for lighting,” said Sandia researcher Jeff Tsao, who proposed the comparative experiment. “Before these tests, our research in this direction was stopped before it could get started. The typical response was, ‘Are you kidding? The color rendering quality of white light produced by diode lasers would be terrible.’ So finally it seemed like, in order to go further, one really had to answer this very basic question first.”

    Little research had been done on diode lasers for lighting because of a widespread assumption that human eyes would find laser-based white light unpleasant. It would comprise four extremely narrow-band wavelengths — blue, red, green, and yellow — and would be very different from sunlight, for example, which blends a wide spectrum of wavelengths with no gaps in between. Diode laser light is also ten times narrower than that emitted by LEDs.

    The tests — a kind of high-tech market research — took place at the University of New Mexico’s Center for High Technology Materials. Forty volunteers were seated, one by one, before two near-identical scenes of fruit in bowls, housed in adjacent chambers. Each bowl was randomly illuminated by warm, cool, or neutral white LEDs, by a tungsten-filament incandescent light bulb, or by a combination of four lasers (blue, red, green, yellow) tuned so their combination produced a white light.

    The experiment proceeded like an optometrist’s exam: the subjects were asked: Do you prefer the left picture, or the right? All right, how about now?

    In the test setup, similar bowls of fruit were placed in a lightbox with a divider in the middle. In this photo, the bowl on one side was illuminated by a diode laser light and the other was lit by a standard incandescent bulb. The aesthetic quality of diode laser lighting (left bowl) compares favorably with standard incandescent lighting (right). (Photo by Randy Montoya).


    The viewers were not told which source provided the illumination. They were instructed merely to choose the lit scene with which they felt most comfortable. The pairs were presented in random order to ensure that neither sequence nor tester preconceptions played roles in subject choices, but only the lighting itself. The computer program was written, and the set created, by Alexander Neumann, a UNM doctoral student of CHTM director Steve Brueck.

    Each participant, selected from a variety of age groups, was asked to choose 80 times between the two changing alternatives, a procedure that took ten to twenty minutes, said Sandia scientist Jonathan Wierer, who helped plan, calibrate and execute the experiments. Five results were excluded when the participants proved to be color-blind. The result was that there was a statistically significant preference for the diode-laser-based white light over the warm and cool LED-based white light, Wierer said, but no statistically significant preference between the diode-laser-based and either the neutral LED-based or incandescent white light.

    The results probably won’t start a California gold rush of lighting fabricators into diode lasers, said Tsao, but they may open a formerly ignored line of research. Diode lasers are slightly more expensive to fabricate than LEDs because their substrates must have fewer defects than those used for LEDs. Still, he said, such substrates are likely to become more available in the future because they improve LED performance as well.

    Also, while blue diode lasers have good enough performance that the automaker BMW is planning their use in its vehicles’ next-generation white headlights, performance of red diode lasers is not as good, and yellow and green have a ways to go before they are efficient enough for commercial lighting opportunities.

    Four laser beams — yellow, blue, green and red — converge to produce a pleasantly warm white light. Results suggest that diode-based lighting could be an attractive alternative to increasingly popular LED lighting, themselves an alternative to compact-florescent lights and incandescent bulbs. (Photo by Randy Montoya).


    Still, says Tsao, a competition wouldn’t have to be all or nothing. Instead, he said, a cooperative approach might use blue and red diode lasers with yellow and green LEDs. Or blue diode lasers could be used to illuminate phosphors — the technique currently used by fluorescent lights and the current generation of LED-based white light — to create desirable shades of light.

    The result makes possible still further efficiencies for the multibillion dollar lighting industry. The so-called ‘‘smart beams’’ can be adjusted on site for personalized color renderings for health reasons and, because they are directional, also can provide illumination precisely where it’s wanted.

    The research was published in the July 1, Optics Express. This work was conducted as part of the Solid-State Lighting Science Energy Frontier Research Center, funded by the U.S. DOE Office of Science.

    Source: Sandia National Laboratory