রবিবার, ৩ ফেব্রুয়ারি, ২০১৩

Fujifilm's flexible Beat speaker diaphragm lets us roll up the rhythm

Fujifilm Beat allows for bendable speakers, lets us roll up the rhythm

While there's been no shortage of rollable displays, rollable speakers are rare -- the softness needed for a bendy design is the very thing that would usually neuter the sound. Fujifilm's new Beat diaphragm manages to reconcile those seemingly conflicting requirements. The surface depends on a polymer that stays soft when the surface is being curled or folded, but hardens when subjected to the 20Hz to 20kHz audio range we'd expect from a speaker. Piezoelectric ceramics, in turn, provide the sound itself. The Beat system doesn't have any known customers, but Fujifilm has already shown some creative possibilities such as a folding fan speaker or the portable, retractable unit shown above. If we ever see the day when we tuck a set of speakers into our pockets as neatly as we do our phones, we'll know who to thank.

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Source: Tech-On

Source: http://www.engadget.com/2013/02/01/fujifilm-beat-allows-for-bendable-speakers/

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শনিবার, ২ ফেব্রুয়ারি, ২০১৩

Is the PlayStation 4 Arriving on February 20th?

Well here's something we weren't expecting. Sony just teased us with a super secret, super mysterious, super probably a new PlayStation (because, what else?) event next month. Let's start speculating and freaking out about a new console war. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/aq2ya0fqmdM/is-the-playstation-4-arriving-on-february-20th

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If I Were Secretary of Education?(2) ? Diane Ravitch's blog

From a reader:

1, Dispose of Teach for America and alternative certification (except for vocational courses) or revise it completely as follows. Hire TFAs as paraprofessionals to work under experienced teachers for their first year.

2. Require a commitment of 5 years, not 2, so the schools get full benefit from them

3. Do not place them in schools with high percentages of disadvantaged and disabled students. Instead, put them in middle class schools and create incentives for the best teachers to go to the disadvantaged schools instead.

4. Expect that by the end of their second year they are taking education courses online or in person to earn certification if they intend to stay another year.

5. Charter schools: Hold them to the same standards as public schools and require them to hire ONLY certified teachers and to pay them at state rates and use approved curricula. Require them to provide full special education services including moderate and severe/profound/multihandicapped and autistic with NO quotas and taught ONLY by certified special educators (No first or second year TFA?s) and to follow IDEA and Section 504.

6. Require that all principals be teachers with at least 5 years in the classroom, a Masters or higher in Education and special ed. experience

7. Require that all superintendents have at least 10 years of classroom experience and special educaton certification, (original or add-on) and a Masters or higher. This includes and especially includes the state superintendent.

8. No taxpayer money for parochial or private schools. None for charters that do not meet standards.

9. Schools with high percentages of disadvantaged, disabled, ELL, or 504 students get 10% in extra funding beyond what other schools in the district receive.

10. School Board will consist of parents, grandparents or siblings of students in public schools in the district and teachers or retired teachers only.

11. State governing board consists of 1/2 parents, grandparents, siblings or students in the public schools and 1/2 teachers or administrators from the public schools who have been or are certified teachers.

12. The Mayor, Governor or other public official has no role in choosing the State Superintendent or other leader over the schools. The leader is picked by the school boards. The exception is when the Mayor or Governor IS a teacher (such as Zell Miller was in Georgia.)

13. Eliminate most standardized testing. Any standardized testing is normed on students of the area where the students who are tested live. Questions include equal numbers that are regionally based. In other words, don?t ask Louisiana children about mountains unless there are also questions about bayous. Include regional vocabulary among correct answers, i.e. ?pocketbook? as well as ?purse? and ?soda? or ?coke? as well as ?pop? for a cold drink.

14. Include the teachers? unions in policy development and require local and state boards to show evidence of their inclusion.

15. Universally available pre-k held in the public schools and taught by certified early childhood teachers.

16. Deemphasis on ?on time? graduation. Emphasis on graduating whether the student is 16 and took some courses on-line or 22.

17. Special education diplomas, state diplomas, for all students with IEPS even if they cannot pass standard courses as long as they complete the work required by their IEPS. NO Certificates of Achievement for students who have been in school all their lives?Real Special Education Diplomas and a Vocational Seal on those diplomas if they completed a vocational program, even with accommodations?-as long as they know the material.

18. Require EVERY administrator and policy maker who is or was a certified teacher above the level of principal to go back to the classroom for 1 year out of every 7 and to spend one week of each school year as a substitute teacher. Require every principal to spend 10 days per school year as a substitute in their own or a nearby school.

Well, that is more than a few. If the schools do not comply the risk losing federal funding or being taken over by a compliant school.

Source: http://dianeravitch.net/2013/01/31/if-i-were-secretary-of-education-2/

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Victorian Mustache Spoon: Your Nose Neighbor's Best Friend

With the trends of today's disaffected youth being what they are, mustaches have gained an unfortunate affiliation with hipsterdom and its ironic ramifications. This gloriously dignified mustache spoon, however, is a reminder that there was actually a time when your mustache was a symbol of honor and your mustache was your manhood. More »


Source: http://feeds.gawker.com/~r/gizmodo/full/~3/rkuxP5j2EAs/this-victorian-mustache-spoon-is-your-nose-neighbors-best-friend

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শুক্রবার, ১ ফেব্রুয়ারি, ২০১৩

China's struggle with sugar smugglers far from over

LONDON/BEIJING (Reuters) - China's battle against sugar smugglers working across southern borders is failing as it keeps domestic prices higher than the world market to support its own production, officials say.

Beijing's policy of stockpiling to support domestic prices and keep its farmers growing cane will also keep the profit incentive firmly in focus for the smugglers.

"As long as there is a big price gap, smuggling will continue," Liu Hande, vice chairman of the government-backed China Sugar Association, told Reuters.

Traders and analysts estimate that between 500,000 tonnes and 1 million tonnes of sugar was smuggled into China in 2011/12, mainly from the world's second largest exporter Thailand, but often via third countries.

That is in addition to official imports of 4.26 million tonnes.

The world's top sugar importer's policy is keenly watched and its impact complex. Cheaper world prices encourage China to import more, which supports global prices and helps cope a little with a surplus haunting the market for a third season. Rising Chinese stocks, boosted by smuggling and higher domestic output, may weigh on local prices.

The Sugar Association said domestic sugar prices are quoted at 5,500 yuan ($883.80) per tonne in top growing region Guangxi and for smuggled sugar, the price is about 4,000 yuan ($642.70) per tonne.

"If such a price gap remains for this year, we believe smuggling volumes would be more or less the same as last year," said Liu Hande.

The association last year offered a reward of as much as 500,000 yuan (about $80,000) for tips and information on smuggling, but monitoring movements of sugar across the vast borders is a difficult task. It estimates more than 100,000 tonnes had already been smuggled into China since the start of 2013.

SMALL BOATS AND TRACTORS

The Xinhua news agency reported earlier this month that border police in the south province of Fujian seized 1,700 tonnes of sugar smuggled from Vietnam on Jan 9.

The contraband sweetener was smuggled by a local trader, who bought at a market in Vietnam and used fake customs receipts to try to avoid duties. The smugglers said the profit for smuggling the sugar was between 600-800 yuan ($95.20-$127.00) per tonne.

"The border authorities are pretty strict in inspection these days," said one sugar trader in China's Guangdong.

Smuggled sugar was repacked with faked domestic brands which were sold at a much lower price than real domestic brands. Many smugglers use small boats, which carried up to 3 tonnes, via border rivers to ship the sugar.

"The government has been cracking down on smuggling all the time, but the result does not seem very satisfactory, partly because these smugglers, like ants move their homes, move a bit by a bit to the country," said the China Sugar Association's Liu Hande.

"They also carry some sugar inside the country with small packages or load it on a small tractor, they have been using various ways to do it, and it is hard for the authorities to stop it completely."

According to Thailand's Office of Cane and Sugar Board, China bought 934,000 tonnes of Thai sugar between January and August 2012, up from 239,000 tonnes in the same period of 2011.

Thai industry officials said additional Thai sugar was carried into Cambodia before being smuggled to China through Vietnam.

"Cambodia imports around 400,000 tonnes of Thai sugar, but consumption was unlikely to be that high. So there should be a significant amount sugar that was re-exported to Vietnam and China respectively," said an official at the Office of Cane and Sugar Board.

ACCIDENT OR DESIGN?

News last week that China will sell 300,000 tonnes of old white sugar stocks to the domestic market will narrow the price gap with international sugar prices.

The government has also stockpiled a total of 1.5 million tonnes of Chinese sugar since late December at a price of 6,100 yuan per tonne, half of the 3 million-tonne volume it promised to buy during the current marketing year as part of its efforts to shore up domestic prices.

"It may be an accident and it may be intentional but by trying to maintain domestic prices to help the farmers, they are sucking in much of the surplus from the world market," said Jonathan Kingsman, head of agriculture at information provider Platts.

"It's very difficult to tell which one it is, but they are holding a lot of stocks. It's helping keep world sugar prices steady."

The U.S. Department of Agriculture pegged China's sugar stocks at the start of the 2012/13 season at 3.605 million tonnes, up from 1.621 million tonnes a year earlier.

Kingsman estimated China holds around 4.7 million tonnes of sugar stocks, equivalent to around one third of its annual demand.

In the 2012/13 October-September crop year China is expected to produce around 20 percent more sugar on the year, with analysts pegging output at around 14 million tonnes.

"Last year the government knew there was a big shortage of sugar in the country so they turned a blind eye," said a trader.

"This year they are in a much stronger position so they may turn less of a blind eye because they know there's enough sugar in the country and they want to protect the domestic price."

Global raw sugar futures prices hit their lowest level in more than two years earlier this month as expectations for a third consecutive global surplus weighed.

(Additional reporting by Apornrath Phoonphongphiphat in Thailand and Ho Binh Minh in Veitnam; Editing by Veronica Brown and William Hardy)

Source: http://news.yahoo.com/chinas-struggle-sugar-smugglers-far-over-041142465--finance.html

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Nanoparticles that look and act like cells

Jan. 31, 2013 ? By cloaking nanoparticles in the membranes of white blood cells, scientists at The Methodist Hospital Research Institute may have found a way to prevent the body from recognizing and destroying them before they deliver their drug payloads. The group describes its "LeukoLike Vectors," or LLVs, in a recent issue of Nature Nanotechnology.

"Our goal was to make a particle that is camouflaged within our bodies and escapes the surveillance of the immune system to reach its target undiscovered," Tasciotti said. "We accomplished this with the lipids and proteins present on the membrane of the very same cells of the immune system. We transferred the cell membranes to the surfaces of the particles and the result is that the body now recognizes these particles as its own and does not readily remove them."

Nanoparticles can deliver different types of drugs to specific cell types, for example, chemotherapy to cancer cells. But for all the benefits they offer and to get to where they need to go and deliver the needed drug, nanoparticles must somehow evade the body's immune system that recognizes them as intruders. The ability of the body's defenses to destroy nanoparticles is a major barrier to the use of nanotechnology in medicine. Systemically administered nanoparticles are captured and removed from the body within few minutes. With the membrane coating, they can survive for hours unharmed.

"Our cloaking strategy prevents the binding of opsonins -- signaling proteins that activate the immune system," said Department of Medicine Co-Chair Ennio Tasciotti, Ph.D., the study's principal investigator. "We compared the absorption of proteins onto the surface of uncoated and coated particles to see how the particles might evade the immune system response."

Tasciotti and his group took metabolically active leukocytes (white blood cells) and developed a procedure to separate membranes from cell innards. By coating their nanoparticles with intact membranes in their native composition of lipids and proteins, the researchers created the first drug-carrying nanoparticles that look and act like cells -- leukolike vectors.

"Using the membranes of white blood cells to coat a nanoparticle has never been done before," Tasciotti said. "LLVs are half man-made -- the synthetic silicon core -- and half made of man -- the cell membrane."

Can the membrane be produced entirely via synthetic means?

"Being able to use synthetic membranes or artificially-created membrane is definitely something we are planning for the future," Tasciotti said. "But for now, using our white blood cells is the most effective approach because they provide a finished product. The proteins that give us the greatest advantages are already within the membrane and we can use it as-is."

As the technology is developed, Tasciotti said a patient's own white cells could be harvested and used to create personalized LLVs. "Cloaked by the patient's own cell membranes, the nanoparticles would be far more likely to reach their targets and avoid the activation of the immune system surveillance," he said. To test whether the LLVs would be protected from macrophage sequestration and destruction, Tasciotti's team tested LLVs coated with human membranes and found that human macrophages left the LLVs unharmed, thus confirming the preservation of the self-recognition principle.

Nanoparticle research has generally focused on getting the particles to recognize specific tissue and to release drugs there, and only there. Comparative studies of LLVs' interaction with healthy and inflamed blood vessel cells showed the LLVs selectively targeted the inflamed tumor blood vessels.

"LLVs are dotted with proteins that help the particles reach specific targets, from inflamed or damaged tissues to cancer cells recruiting blood vessels," Tasciotti said. "Over time the membrane lipids and proteins will break away, leaving the nanoparticles to degrade naturally after releasing their payload."

The research team also looked at how well the drugs traveled through the LLV membrane. They found that rather than introducing an obstacle to drug release, the membrane provides controllable release of the drug once the nanoparticles reach their target tissue.

The present study used white blood cells from cell cultures. Tasciotti said one of his group's goals is culturing enough cells from the patient to be useful in drug therapy.

"We are aware that we will not always have access to an infinite number of white blood cells," Tasciotti said. "For this reason, we are working to optimize our system by using as little material as efficiently as possible. I expect this technology to become a new player in the crowded world of drug delivery system thanks to the opportunities it offers for the personalization of drug therapies."

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Story Source:

The above story is reprinted from materials provided by Methodist Hospital, Houston.

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


Journal Reference:

  1. Alessandro Parodi, Nicoletta Quattrocchi, Anne L. van de Ven, Ciro Chiappini, Michael Evangelopoulos, Jonathan O. Martinez, Brandon S. Brown, Sm Z. Khaled, Iman K. Yazdi, Maria Vittoria Enzo, Lucas Isenhart, Mauro Ferrari, Ennio Tasciotti. Synthetic nanoparticles functionalized with biomimetic leukocyte membranes possess cell-like functions. Nature Nanotechnology, 2012; 8 (1): 61 DOI: 10.1038/nnano.2012.212

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_science/~3/PAAVP74IQbo/130131144114.htm

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One FC?s Peter Davis is a fighter, model, actor and a ?Hot Guy Who Cooks?

Peter Davis is a model, actor, and has worked in finance. He also once worked in finance, and appeared on an Asian television show called, "Hot Guys Who Cook." In addition to those roles, Davis will take his 5-1 record to One FC 7 this weekend, where he will fight Leo Krishna in Kuala Lumpur.

Davis said that fighting, acting and modeling are not as different as you would think.

"I'm in entertainment. In modeling, acting, film, and sometimes I do fighting," Davis told Cagewriter. "It's a bit of a strange thing to do, considering modeling and acting but it's still all entertainment."

He has had runway shows and commercial shoots after fights. When he told agents about fights, they rarely understood what MMA entailed. He has been asked if he wore headgear to fights.

"The agencies are usually quite concerned when I say I'm going to fight. Headgear? Kind of?"

He describes his style of fighting as unorthodox, comparing it to Lyoto Machida.

"If they're looking at me, and they're looking at my fighting style, it's just not very orthodox. I end up with lots of options with my striking. My ground game is quite reasonable. I can roll with brown belts and purple belts, but I'm a stand-up fighter who has the power to knock people out."

Being elusive helps him from getting too beat up in the face, which helps with modeling.

"It's really the modeling style," Davis joked.

The son of a British man and Malaysian woman, Davis started fighting in 2004 in the UK, but retired in 2006. He continued to train, but didn't fight again until the MMA scene heated up in Malaysia, where he now lives. Now, he fights to test himself and see where the fight world will take him.

"I want to see that what I know does work, but to win a title belt would be nice. That would be amazing. It's such a huge event. After that, I don't know what I'd like to do. Whether it's acting, modeling or fighting. I don't want a long and arduous career of being punched in the face. I'd like to do more fights, maybe get a title belt and see where it takes me."

This weekend, it means a bout with Leo Krishna at One FC 7. Check out pay-per-view information here.

Source: http://sports.yahoo.com/blogs/mma-cagewriter/one-fc-peter-davis-fighter-model-actor-hot-212749506--mma.html

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