Diaz, Nelson and more: exclusive pictures from UFC 137

Check out exclusive pictures from UFC 137 by Tracy Lee. You'll see Nick Diaz's taunting, Roy Nelson's belly-rubbing, Donald Cerrone's overwhelming win and more from Saturday night's fights. Which is your favorite pic? Tell us in the comments or on Facebook.

Source: http://sports.yahoo.com/mma/blog/cagewriter/post/Diaz-Nelson-and-more-exclusive-pictures-from-U?urn=mma-wp8855

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GameStop Starts Selling Android Tablets Bundled With Games

galstopPerhaps realizing that re-selling other people's boxed games wasn't exactly a sustainable business model, GameStop decided a few months back that it was going to try selling devices as well. The iPhone and iPad can be bought there, and your games can be traded in credit for them as well. But what have they been missing, and what have their customers undoubtedly been clamoring for? Android tablets! Shortly after they announced they'd be inviting Apple into their stores, they announced that they were working with a device maker to bring a GameStop-branded Android tablet out as well. Hardcore gamers trembled with delight. And now their day has come!

Source: http://feedproxy.google.com/~r/Techcrunch/~3/svsL_SjedkE/

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New hybrid technology could bring 'quantum information systems'

Friday, October 28, 2011

The merging of two technologies under development - plasmonics and nanophotonics - is promising the emergence of new "quantum information systems" far more powerful than today's computers.

The technology hinges on using single photons the tiny particles that make up light for switching and routing in future computers that might harness the exotic principles of quantum mechanics.

The quantum information processing technology would use structures called "metamaterials," artificial nanostructured media with exotic properties.

The metamaterials, when combined with tiny "optical emitters," could make possible a new hybrid technology that uses "quantum light" in future computers, said Vladimir Shalaev, scientific director of nanophotonics at Purdue University's Birck Nanotechnology Center and a distinguished professor of electrical and computer engineering.

The concept is described in an article to be published Friday (Oct. 28) in the journal Science. The article will appear in the magazine's Perspectives section and was written by Shalaev and Zubin Jacob, an assistant professor of electrical and computer engineering at the University of Alberta, Canada.

"A seamless interface between plasmonics and nanophotonics could guarantee the use of light to overcome limitations in the operational speed of conventional integrated circuits," Shalaev said.

Researchers are proposing the use of "plasmon-mediated interactions," or devices that manipulate individual photons and quasiparticles called plasmons that combine electrons and photons.

One of the approaches, pioneered at Harvard University, is a tiny nanowire that couples individual photons and plasmons. Another approach is to use hyperbolic metamaterials, suggested by Jacob; Igor Smolyaninov, a visiting research scientist at the University of Maryland; and Evgenii Narimanov, an associate professor of electrical and computer engineering at Purdue. Quantum-device applications using building blocks for such hyperbolic metamaterials have been demonstrated in Shalaev's group.

"We would like to record and read information with single photons, but we need a very efficient source of single photons," Shalaev said. "The challenge here is to increase the efficiency of generation of single photons in a broad spectrum, and that is where plasmonics and metamaterials come in."

Today's computers work by representing information as a series of ones and zeros, or binary digits called "bits."

Computers based on quantum physics would have quantum bits, or "qubits," that exist in both the on and off states simultaneously, dramatically increasing the computer's power and memory. Quantum computers would take advantage of a strange phenomenon described by quantum theory called "entanglement." Instead of only the states of one and zero, there are many possible "entangled quantum states" in between one and zero.

An obstacle in developing quantum information systems is finding a way to preserve the quantum information long enough to read and record it. One possible solution might be to use diamond with "nitrogen vacancies," defects that often occur naturally in the crystal lattice of diamonds but can also be produced by exposure to high-energy particles and heat.

"The nitrogen vacancy in diamond operates in a very broad spectral range and at room temperature, which is very important," Shalaev said.

The work is part of a new research field, called diamond photonics. Hyperbolic metamaterials integrated with nitrogen vacancies in diamond are expected to work as efficient "guns" of single photons generated in a broad spectral range, which could bring quantum information systems, he said.

###

Purdue University: http://www.purdue.edu/

Thanks to Purdue University for this article.

This press release was posted to serve as a topic for discussion. Please comment below. We try our best to only post press releases that are associated with peer reviewed scientific literature. Critical discussions of the research are appreciated. If you need help finding a link to the original article, please contact us on twitter or via e-mail.

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Source: http://www.labspaces.net/114740/New_hybrid_technology_could_bring__quantum_information_systems_

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Two finance report updates ? Off the Kuff

by Charles Kuffner.

Since I?ve made a big deal out of who hasn?t filed their 30 Day campaign finance reports, I am compelled to note that as of October 27, Scott Boates in At Large #1 has now filed his. Eight day reports are due tomorrow, and the last 30 Day reports before this one were filed on the 11th, but nonetheless it has been filed.

And since I was one of several people to note Bo Fraga?s apparently illegal $35,000 loan from Lupe Fraga of Tejas Office Products, I am also compelled to note that on the same date, he filed an amended report which reports that the loan has been paid back in full. He now reports a cash on hand balance of $17,733 as of that report, which no longer puts him among the leaders in that race.

Anyway. The 8 Day reports are due tomorrow, and I expect the early filings will start to show up later in the day. I?ve been called for jury duty, so don?t expect me to get to them right away, but I will upload them as I can.

Related Posts:

Source: http://offthekuff.com/wp/?p=40867

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US natural gas supplies grew last week (AP)

NEW YORK ? The nation's natural gas supplies rose last week, the government said Thursday.

The Energy Department's Energy Information Administration said in its weekly report that natural gas in storage grew by 92 billion cubic feet to 3.716 trillion cubic feet for the week ended Oct. 21.

Analysts expected a rise of 88 billion to 92 billion cubic feet, according to a survey by Platts, the energy information arm of McGraw-Hill Cos.

The inventory level was 4.4 percent above the five-year average of 3.558 trillion cubic feet, and 0.7 percent below last year's level of 3.744 trillion cubic feet, according to the government data.

Natural gas fell 5 cents to $3.543 per 1,000 cubic feet in New York.

Source: http://us.rd.yahoo.com/dailynews/rss/energy/*http%3A//news.yahoo.com/s/ap/20111027/ap_on_bi_ge/us_natural_gas_storage

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Wall Street edges down after strong rally (Reuters)

NEW YORK (Reuters) ? Stocks edged lower on Friday as investors took a breather from a powerful rally that propelled the S&P to close above its 200-day moving average for the first time since August.

On Thursday, the market soared 3 percent after a long-awaited agreement was struck to help contain Europe's two-year debt crisis. The S&P 500 is up more than 13 percent this month, on pace for its biggest monthly gain since October 1974.

But investors remained skeptical over the debt deal as many details were still to be worked out before the region can show its ability to contain the crippling crisis.

"The rally really started even before we got the news from Europe. There is a strong (upside) bias in the market and people are acting on that basis," said Stanley J.G. Crouch, who oversees $2 billion as the chief investment officer of Aegis Capital in New York.

"But I think we have a long way to go with this (European debt) mess. I still see huge risks," he said.

The head of Europe's bailout fund played down hopes of a quick deal with China to throw its support behind efforts to resolve the crisis but said he expects Beijing to continue to buy bonds issued by the rescue fund.

The Dow Jones industrial average was down 21.64 points, or 0.18 percent, at 12,186.91. The Standard & Poor's 500 Index was down 5.93 points, or 0.46 percent, at 1,278.66. The Nasdaq Composite Index was down 11.62 points, or 0.42 percent, at 2,727.01.

The latest economic data showed U.S. consumer sentiment improved in October for the second month in a row as consumers felt more upbeat about the economy's prospects.

In earnings news, shares of Merck & Co Inc rose 1.8 percent to $34.93 after the No. 2 U.S. drugmaker reported quarterly profit and sales that beat estimates.

Chevron Corp, the second-largest U.S. oil company, said quarterly earning more than doubled, topping expectations, but The stock was off 0.4 percent at $108.58.

Shares of MF Global Holdings Ltd fell 6.3 percent to $1.34. Some customers are moving money from the futures brokerage, rivals, hedge fund officials and analysts said, though the extent of the outflows is unclear.

(Reporting by Angela Moon; editing by Kenneth Barry)

Source: http://us.rd.yahoo.com/dailynews/rss/stocks/*http%3A//news.yahoo.com/s/nm/20111028/bs_nm/us_markets_stocks

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Dropbox for Teams Brings Cloud Storage to Business Users

Dropbox for Teams Brings Cloud Storage to Business Users Dropbox, our favorite cloud storage provider, has introduced a new service aimed at businesses called Dropbox for Teams.

Five users can get access to 1 terabyte of shared cloud storage for a base price of $795 per year . Additional users cost $125 per year and add 200 gigabytes of storage. The service also includes a new control panel for IT administrators and dedicated phone support. Existing Dropbox users who add Dropbox for Teams will have the option of keeping their personal Dropbox accounts or merging them into the shared storage pool.

While $800 a year sounds pretty expensive by individual user standards, it might be worth looking into if you'd benefit from a more convenient file-sharing and collaboration solution at work.

Dropbox for Teams Information | Dropbox for Teams

Source: http://lifehacker.com/5853960/dropbox-for-teams-brings-cloud-storage-to-business-users

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An Introduction to Cancer Stem Cells

An Introduction to Cancer Stem Cells

The cancer stem cell hypothesis suggests that a majority of cancers are driven and supported by a small population of errant stem cells, and that these cells are characteristic in ways allowing them to be identified and destroyed. Without the cancer stem cells, a cancer would whither. In other words, cancer stem cells offer the hope that there are in fact broad commonalities in the mechanisms of different forms of cancer, and that this fact will lead to a unified, single technology platform and robust cures for even late-stage cancers.

The existence and universality of cancer stem cells is a hotly debated topic in medical research, and rightly so for the reasons given above. Good evidence and arguments can be found on either side. Is cancer something that can be solved through a single mechanism or group of very similar mechanisms? Or only some cancers? Or only few cancers? These are important questions, and the answers, when they arrive, will tell us whether the prospects are for many cures arriving soon or for a slow and incremental flow of therapies over decades.

Today I noticed a good introductory popular science article that walks through the present state of research and scientific thought on this topic, and provides copious references along the way. You might find it interesting:

Take some cells from a tough-to-treat tumor, sort them, and inject each fraction into a different immunodeficient mouse, and only a small percentage of those cells will thrive and form tumors. This sort of experiment illustrates a concept that has been gaining traction within the cancer research community. Tumors contain a diverse mixture of cells, and only a handful of them can bounce back after treatment. That deadly minority can reproduce indefinitely and differentiate into a wide variety of cell types, just like stem cells. And often they express many of the same genes that are active in induced or embryonic stem cells and inactive in mature tissue.

...

The logic of pursuing therapies that might zero in on cancer stem cells is compelling to many. But the methods to evaluate such therapies' effectiveness, or to personalize cancer treatments according to stem cell markers, are not nearly as well developed. Without an array of proper markers, it's hard to tell whether drugs that target cancer stem cells are working as intended. ... Things are looking up for genetic analysis, but the poor reliability of cancer stem-cell-surface markers remains a confounding problem. For nearly a decade, biologists have known that antigens such as CD133 can be found on the surfaces of cancer stem cells. But these markers are not particularly specific.

...

But for solid tumors, which account for about 85% of all cancer diagnoses, the search for such stem-cell-surface markers is still in the early days. In such [cancers] cell-surface markers can vary from one type of cancer to another or even from one cell within a tumor to another. Until better markers are discovered [the] cancer stem cell field will remain somewhat embryonic.

Source: http://www.fightaging.org/archives/2011/10/an-introduction-to-cancer-stem-cells-1.php

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Battlefield 3 review roundup

Battlefield 3 review scores are in. Take cover!

Battlefield 3, the long-awaited, mature-rated third installment in the popular EA series, hit shelves this week. On Xbox 360, the game ships with two discs, one containing a single-player campaign and the other containing a series of multiplayer maps. With the release of Call of Duty: Modern Warfare 3 is right around the corner, can Battlefield 3 stack up? Let's go to the scorecards.

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The graphics

"[T]he graphics in Battlefield 3 set a new standard, even on consoles," writes Tom Price of GamePro. "The lighting is amazing, and the level of details and textures you see on characters is very impressive. But I didn't really need the constant water spots that were supposed to be on my goggles (I guess, I'm pretty sure I wasn't always wearing them) ? they actually block a lot of the action."

The storyline

Battlefield 3, writes Ryan Fleming of Digital Trends, "boils down to the most generic of possible stories. It also borrows heavily from Call of Duty?s campaigns over and over again. Despite the primary focus on the soldier, Sgt. Blackburne, who is being interrogated, the game shifts focus to a handful of other characters, just like CoD. It even has you chasing a Russian named Kaffarov, a name that even sounds like Makarov, one of the antagonists of the Modern Warfare series. An incident about half way through feels so extremely similar to one of the big moments in CoD 4: Modern Warfare that the big shock it?s supposed to carry turns out not to be a shock at all."

The campaign, part 1

"From a battle set in the midst of a skyscraper-toppling geological event in Tehran to a mad dash through a stunningly recreated Paris en route to thwarting a nuclear explosion, there is no shortage of visual or psychological thrills," writes Chad Sapieha of the Globe and Mail, in Canada. "The globe-trotting narrative, which, similar to last year?s Call of Duty: Black Ops, is presented as a series of flashbacks from the perspective of an American soldier under interrogation, takes us on terrifyingly realistic tank runs, taut sniper missions, and even a ride as a gunner in a jet in a truly marvelous sequence in which the player must frantically spin his or her avatar's head left and right to track tailing MiGs through the cockpit window while the pilot performs dizzying barrel rolls, dives, and steep climbs."

The campaign, part 2

It's a shame," writes Martin Gaston of Videogamer.com, "that DICE's concentrated attempt at storytelling ? a 12-level single-player campaign ? falls completely flat, demanding a poignancy and emotional engagement it simply does nothing to earn. It's a bolt-on campaign so obsessed with military maneuvers that you spend more time watching your marines preen and posture than actually fight in an engaging setup, with your comrades masking loading screens by barking their orders before kicking down doors. The attention to detail is nothing short of magnificent, but it's a real shame to see the player's role marginalized because of it."

Source: http://rss.csmonitor.com/~r/feeds/csm/~3/KjshRUSXofE/Battlefield-3-review-roundup

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