UC Riverside scientists discovering new uses for tiny carbon nanotubes

Public release date: 14-May-2013
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Contact: Iqbal Pittalwala
iqbal@ucr.edu
951-827-6397
University of California - Riverside

Adding ionic liquid to nanotube films could build smaller gadgets, and create more cost effective 'Smart Windows' that darken in bright sun

RIVERSIDE, Calif. (http://www.ucr.edu) The atom-sized world of carbon nanotubes holds great promise for a future demanding smaller and faster electronic components. Nanotubes are stronger than steel and smaller than any element of silicon-based electronicsthe ubiquitous component of today's electrical devicesand have better conductivity, which means they can potentially process information faster while using less energy.

The challenge has been figuring out how to incorporate all those great properties into useful electronic devices. A new discovery by four scientists at the University of California, Riverside has brought us closer to the goal. They discovered that by adding ionic liquida kind of liquid saltthey can modify the optical transparency of single-walled carbon nanotube films in a controlled pattern.

"It was a discovery, not something we were looking for," said Robert Haddon, director of UC Riverside's Center for Nanoscale Science and Engineering. Scientists Feihu Wang, Mikhail Itkis and Elena Bekyarova were looking at ways to improve the electrical behavior of carbon nanotubes, and as part of their research they also looked at whether they could modulate the transparency of the films. An article about their findings was published online in April in Nature Photonics.

The scientists spent some time trying to affect the optical properties of carbon nanotube films with an electric field, with little success, said Itkis, a research scientist at the Center for Nanoscale Science and Engineering. "But when we applied a thin layer of an ionic liquid on top of the nanotube film we noticed that the change of transparency is amplified 100 times and that the change in transparency occurs in the vicinity of one of the electrodes, so we started studying what causes these drastic changes and how to create transparency in controlled patterns."

An ionic liquid contains negative and positive ions which can interact with the nanotubes, dramatically influencing their ability to store an electrical charge. That increases or decreases their transparency, similar to the way that glasses darken in sunlight. By learning how to manipulate the transparency, scientists may be able to start incorporating nanotube films into products that now rely on slower or heavier components, such as metal oxide.

For instance, using nanotube films meshed with a film of ionic liquid, scientists could create more cost effective Smart Windows, that darken when it's hot outside and become lighter when it's cold.

"Smart Windows are a new industry that has been shown to save 50 percent of your energy costs," said Itkis. "On a very hot day you can shade your window just by turning a switch, so you don't have to use as much air conditioning. And on a winter day, you can make a window more transparent to let in more light."

The scientists still need to study the economic viability of using nanotube film, but Bekyarova said one possible advantage would be that carbon nanotubes are ultra thinabout 1,000 times smaller than a single strand of hairso you would need very little to cover a large area, such as the windows of a large building.

Itkis said nanotube films also hold great promise in building lighter and more compact analytical instruments such as spectrometers, which are used to analyze the properties of light.

In this application, a nanotube film with an array of electrodes can be used as an electrically configurable diffraction grating for an infrared spectrometer, allowing the wavelength of light to be scanned without moving parts.

Furthermore, by using addressable electrodes, the spatial pattern of the induced transparency in the nanotube film can be modified in a controlled way and used as an electrically configurable optical media for storage and transfer of information via patterns of light.

Carbon nanotubes have great potential, but there is still plenty of work to be done to make them useful in electronics and optoelectronics, Haddon said.

"The challenge is to harness their outstanding properties," he said. "They won't be available at Home Depot next week, but there is continuing progress in the field."

###

The University of California, Riverside (http://www.ucr.edu) is a doctoral research university, a living laboratory for groundbreaking exploration of issues critical to Inland Southern California, the state and communities around the world. Reflecting California's diverse culture, UCR's enrollment has exceeded 21,000 students. The campus will open a medical school in 2013 and has reached the heart of the Coachella Valley by way of the UCR Palm Desert Center. The campus has an annual statewide economic impact of more than $1 billion. A broadcast studio with fiber cable to the AT&T Hollywood hub is available for live or taped interviews. UCR also has ISDN for radio interviews. To learn more, call (951) UCR-NEWS.

By Jeanette Marantos

---

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AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

Public release date: 14-May-2013
[ | E-mail | Share ]

Contact: Iqbal Pittalwala
iqbal@ucr.edu
951-827-6397
University of California - Riverside

Adding ionic liquid to nanotube films could build smaller gadgets, and create more cost effective 'Smart Windows' that darken in bright sun

RIVERSIDE, Calif. (http://www.ucr.edu) The atom-sized world of carbon nanotubes holds great promise for a future demanding smaller and faster electronic components. Nanotubes are stronger than steel and smaller than any element of silicon-based electronicsthe ubiquitous component of today's electrical devicesand have better conductivity, which means they can potentially process information faster while using less energy.

The challenge has been figuring out how to incorporate all those great properties into useful electronic devices. A new discovery by four scientists at the University of California, Riverside has brought us closer to the goal. They discovered that by adding ionic liquida kind of liquid saltthey can modify the optical transparency of single-walled carbon nanotube films in a controlled pattern.

"It was a discovery, not something we were looking for," said Robert Haddon, director of UC Riverside's Center for Nanoscale Science and Engineering. Scientists Feihu Wang, Mikhail Itkis and Elena Bekyarova were looking at ways to improve the electrical behavior of carbon nanotubes, and as part of their research they also looked at whether they could modulate the transparency of the films. An article about their findings was published online in April in Nature Photonics.

The scientists spent some time trying to affect the optical properties of carbon nanotube films with an electric field, with little success, said Itkis, a research scientist at the Center for Nanoscale Science and Engineering. "But when we applied a thin layer of an ionic liquid on top of the nanotube film we noticed that the change of transparency is amplified 100 times and that the change in transparency occurs in the vicinity of one of the electrodes, so we started studying what causes these drastic changes and how to create transparency in controlled patterns."

An ionic liquid contains negative and positive ions which can interact with the nanotubes, dramatically influencing their ability to store an electrical charge. That increases or decreases their transparency, similar to the way that glasses darken in sunlight. By learning how to manipulate the transparency, scientists may be able to start incorporating nanotube films into products that now rely on slower or heavier components, such as metal oxide.

For instance, using nanotube films meshed with a film of ionic liquid, scientists could create more cost effective Smart Windows, that darken when it's hot outside and become lighter when it's cold.

"Smart Windows are a new industry that has been shown to save 50 percent of your energy costs," said Itkis. "On a very hot day you can shade your window just by turning a switch, so you don't have to use as much air conditioning. And on a winter day, you can make a window more transparent to let in more light."

The scientists still need to study the economic viability of using nanotube film, but Bekyarova said one possible advantage would be that carbon nanotubes are ultra thinabout 1,000 times smaller than a single strand of hairso you would need very little to cover a large area, such as the windows of a large building.

Itkis said nanotube films also hold great promise in building lighter and more compact analytical instruments such as spectrometers, which are used to analyze the properties of light.

In this application, a nanotube film with an array of electrodes can be used as an electrically configurable diffraction grating for an infrared spectrometer, allowing the wavelength of light to be scanned without moving parts.

Furthermore, by using addressable electrodes, the spatial pattern of the induced transparency in the nanotube film can be modified in a controlled way and used as an electrically configurable optical media for storage and transfer of information via patterns of light.

Carbon nanotubes have great potential, but there is still plenty of work to be done to make them useful in electronics and optoelectronics, Haddon said.

"The challenge is to harness their outstanding properties," he said. "They won't be available at Home Depot next week, but there is continuing progress in the field."

###

The University of California, Riverside (http://www.ucr.edu) is a doctoral research university, a living laboratory for groundbreaking exploration of issues critical to Inland Southern California, the state and communities around the world. Reflecting California's diverse culture, UCR's enrollment has exceeded 21,000 students. The campus will open a medical school in 2013 and has reached the heart of the Coachella Valley by way of the UCR Palm Desert Center. The campus has an annual statewide economic impact of more than $1 billion. A broadcast studio with fiber cable to the AT&T Hollywood hub is available for live or taped interviews. UCR also has ISDN for radio interviews. To learn more, call (951) UCR-NEWS.

By Jeanette Marantos

---

[ | E-mail | Share ]

?

AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert! system.

Source: http://www.eurekalert.org/pub_releases/2013-05/uoc--urs051413.php

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Samsung working on '5G' technology to deploy by 2020

Adaptive array transceiver technology to offer several Gbps speeds on very high frequencies

Before most of the world has seen a consistent 4G LTE connection (or even 3G in many places), Samsung is already talking about its research into new 5G technologies. It's a lot of technical speak, but Samsung has developed what it is calling an "adaptive array transceiver technology" to deliver extremely high speed mobile data over millimeter-wave frequencies. Previously considered a poor choice for transmitting data because of their extremely high frequency when compared to what's being used today, Samsung has proven that it can send data in the millimeter-wave frequencies quite efficiently. Testing at a frequency of 28GHz (today's networks are in the 600MHz to 3GHz range), it has successfully made data transfers of 1.056 Gbps over the distance of 2 kilometers. Samsung says its 5G technology would be consistently several hundred times faster than current 4G tech.

Now these are the very early stages of just a proof of concept, as Samsung doesn't expect these technologies to be commercialized until at least 2020. That gives Samsung -- and other companies -- plenty of time to refine its processes to see what works best. If it can indeed take advantage of these previously unusable extremely high frequencies, it could be part of the solution to the "spectrum crunch" we seem to hear about all too often.

Source: Samsung

Source: http://feedproxy.google.com/~r/androidcentral/~3/cgYrkP8hgEE/story01.htm

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This Week On Twitter: Day In The Life Of The Internet, Social ...

Need a little weekend reading? We?ve compiled our top ten Twitter stories of the week, which includes a look at what happens over the course of a day on the internet, 10 social media personality types, a new Twitter-based sensor for diaper changing, a study which reveals how moms are using social media and thoughts on whether social media marketing has lost its way.

Here are our top 10 Twitter stories of the week.

1. A Day In The Life Of The Internet [INFOGRAPHIC]

There are close to two and-a-half billion people online around the world ? this number has grown a heady 566 percent since the year 2000 ? and 70 percent of them use the internet each and every day. As you might imagine, with that kind of presence, which amounts to more than a third of the global population, quite a lot happens over the course of each 24 hours. You want some examples? You got it. Each day, an average of 139,344 new websites go live. An incredible 144 billion emails are sent and received. 500 million people log into Facebook. Hundreds of millions of tweets* are written and exchanged, and, perhaps most amazingly, 60 hours of new video are uploaded to YouTube every single minute.

2. 10 Social Media Personality Types ? Which One Are You? [INFOGRAPHIC]

When you?ve been active on social media platforms such as Twitter and Facebook for a lengthy period of time, you start to develop a personality. This may not be something you?re even aware of. It usually isn?t contrived (although sometimes it blatantly is), but many people, like it or not, become (or slip into the habits of) a certain type of user as they become a veteran of their favourite social media service(s) and, while this will inevitably fluctuate on occasion, they usually revert back to that tried-and-tested social norm once the madness has passed.

3. Huggies Launches TweetPee, A Twitter-Based Sensor For Diaper Changing

Brazilian parents just got a new gadget to add to their parenting arsenal: TweetPee, a sensor + Twitter-based alert Huggies has rolled out in Brazil. A sensor gets attached to the baby?s diaper, and when it perceives an increase in humidity it sends a tweet out to the parent?s Twitter account to let them know the baby needs to be changed.

4. How Are Moms Using Social Media (And Why Does This Matter To Marketers)? [INFOGRAPHIC]

Did you know that a recent study showed that almost half (44 percent) of moms have gone on to make a purchase after a friend posted a recommendation or liked a product on a social media site? We?ve been here before, of course (many times), but it bears repeating ? moms and social media make a great mix, and if these socially savvy ladies are a demographic fit for your business then you should absolutely be engaging with them ? frequently ? within your marketing campaigns.

5. Has Social Media Marketing Lost Its Way? [INFOGRAPHIC]

Remember when it was exciting to receive an email? An email. One. Because, maybe twenty years ago, your email inbox didn?t get an awful lot of action. Heck, you probably didn?t even refer to it as in inbox. It was just ?my email?. Email zero as a concept did not exist, because it was a given. You received an email, and you read it. Done. No more email to read. Until the next time, which might be in another day or two. Of course, email now just part of your job. Something you have to do. And, accordingly and so often, impersonal, automated, and cold. Is this what?s happening to social media marketing, too?

6. Social Sharing Boosts Email Marketing Results By 158% [INFOGRAPHIC]

Email still converts better than social media marketing (or searchfor that matter), but do you know what really works? Combining them together. By adding social sharing icons to your email marketing messages you can increase your click-through rate (CTR) by as much as 158 percent.

7. Social Media And The Growth Of E-Commerce [INFOGRAPHIC]

Did you know that e-commerce, which already accounts for 8 percent of all retail states in the U.S., is expected to outpace sales growth at brick-and-mortar stores over the next 5 years, reaching an incredible $370 billion by 2017? Social media is playing its part, too ? sales of physical goods through social networks is pegged to grow at a furious pace over the next few years, with some $14 billion of U.S. sales expected to be accountable to social media by 2015.

8. Twitter-Owned TweetDeck Ltd Officially Closed Down By Business Regulators

We told you it was coming, and now TweetDeck Ltd, the company behind the once super-popular Twitter client of the same name that was acquired by Twitter in 2011 for a heady $40 million, has been officially shut down by UK regulators after the firm failed to file their business accounts on time.

9. A Look Inside Three Big Brands? Social Media Command Centers

Managing social media for major brands is a massive undertaking, involving vast teams of talented community managers, graphic designers, and social strategists implementing a variety of tools for everything from social listening to engagement tracking. Accordingly, some businesses have developed social media command centers, basically state-of-the-art monitoring hubs that concentrate that social media management energy into one central portal.

10. How Are Top Brands Doing With Twitter Customer Service? [REPORT]

Earlier this year, social media analytics specialists Simply Measured conducted an analysis of how Interbrand?s Top 100 Brands were performing customer service on Twitter. In a time when offering strong social customer service is directly tied to protecting brand identity, what steps are major brands taking to engage with their followers effectively on Twitter?

Did you know we have a newsletter? Sign-up to receive a daily digest of all things Twitter, sent straight to your inbox. Click here to sign up for the AllTwitter Newsletter.

(Twitter image via Shutterstock.)

Source: http://www.mediabistro.com/alltwitter/top-10-twitter-120513_b42275

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Better dyes for imaging technology

May 12, 2013 ? From microscopes to MRI scanners, imaging technology is growing ever more vital in the world's hospitals, whether for the diagnosis of illness or for research into new cures. Imaging technology requires dyes or contrast agents of some sort. Current contrast agents and dyes are expensive, difficult to work with and far from ideal. Now, Danish chemists have discovered a new dye and proved its worth against any of the dyes currently available.

Thomas Just S?rensen and Bo Wegge Laursen are chemists at the University of Copenhagen, Denmark. In a series of publications, they have shown that the aza-oxa-trangulenium dyes have the potential to outperform all fluorescent dyes currently used in imaging.

"Our dyes are ten times better, far cheaper and easier to use. The latter I believe, will lead to expanded opportunities and broadened use, by physicians and researchers in developing countries, for example." Says Thomas Just S?rensen.

Visual noise blocks correct diagnosis

It might seem odd, but one of the central challenges when taking pictures of cells and organs, is to avoid noise. The agents that make it possible to see microscopic biological structures are luminescent, but then, so is tissue. Consequently, the contrast agent's light risks being overpowered by "light noise." Just as the dial and hands of a watch might glow-in-the-dark, tissue becomes luminescent when exposed to light. Tissue and other organic structures luminesce, or lights up, for 10 nanoseconds after exposure to light. The light-life of an ordinary dye is the same -- 10 nanoseconds. But triangulenium dyes produce light for an entire 100 nanoseconds.

The long life of the triangulenium dyes means that an image can be produced without background noise. Furthermore, the extra 90 nanoseconds opens the possibility of filming living images of the processes occurring within cells, for example when a drug attacks an illness.

Neither expensive, nor difficult or technically demanding

Medical image analysis departments currently devote an incredible amount of time to staining samples, because all samples must be treated with two agents. The use of triangulenium dyes necessitates only one dye. And in contrast with typical dyes, no specialized equipment is needed to see the dyes in tissue samples. A lens from a pair of polarized sunglasses and an ordinary microscope are all that are required.

Open Source dye despite obvious competitiveness

When one compares the advantages of triangulenium dyes against the three million Danish kroner per gram price tag of traditional dyes,(500.000$US)(320.000?) you would expect that the new dye would immediately out-compete its predecessors. However, up to now S?rensen and Laursen have had to give their dye away. "I know that our dye is better, but biologists and physicians don't. Therefore, we are giving the dye away to anyone that wants to perform a comparison test. Someone who needs to assess the health of sick people wouldn't dare to rely on an untested substance. Only when several researchers have shown triangulenium dyes to perform just as effectively as its predecessors can we hope for our substance to become more widely adopted," concludes Thomas Just S?rensen.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/U277veoAGJY/130512105523.htm

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HK transgender woman wins legal battle to marry

HONG KONG (AP) ? Hong Kong's top court granted a transgender woman the right to marry her boyfriend Monday in a watershed ruling that falls short of allowing same-sex marriage.

The surprise decision only covers the right of a transgender person who was born male to marry a man, and for one who was born female to marry a woman.

The ruling by the Court of Final Appeal brings the semiautonomous Chinese city in line with many other places in the Asia-Pacific region, including mainland China, where transgender people are allowed to marry as their new gender.

The court ruled in favor of the woman, identified only as W. One of the judges on the five-member panel dissented.

W's lawyer, Michael Vidler, said his client was "overjoyed." W, who is in her 30s, was born a man but had surgery in 2008 to become a woman. The hospital issued a letter certifying her new gender.

Vidler read a statement by W to reporters in which she said that after the surgery she has lived her life "as a woman and been treated as a woman in all respects except as regards my right to marriage. This decision rights that wrong."

In a conference call later with reporters, W said, "I'm very glad that I can finally get married to my beloved boyfriend in Hong Kong." She added that she hopes the ruling will have a positive influence how sexual minorities are seen in Hong Kong, where many hold conservative views.

Vidler said the ruling won't take effect for 12 months, giving the government time to change marriage laws.

The judges noted that from evidence and submissions received, "it appears in the Asia-Pacific region, such marriages are permitted" in mainland China, Singapore, India, South Korea, Japan, Indonesia, Australia and New Zealand. Same-sex marriage remains rare in the region, though New Zealand approved it last month.

In China, the Ministry of Civil Affairs clarified the law in 2003 to make it clear that transgender marriage is legal.

Hong Kong, a former British colony, came back under Chinese control in 1997 but was granted a high degree of autonomy from Beijing and retains a separate legal system.

_____

Researcher Yu Bing in Beijing and Nick Perry in Wellington, New Zealand, contributed to this report.

Source: http://news.yahoo.com/hk-transgender-woman-wins-legal-battle-marry-072149587.html

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Stormy round at Players for Tiger and Sergio

Tiger Woods hits from the eighth tee during the third round of The Players championship golf tournament at TPC Sawgrass, Saturday, May 11, 2013 in Ponte Vedra Beach, Fla. (AP Photo/Gerald Herbert)

Tiger Woods hits from the eighth tee during the third round of The Players championship golf tournament at TPC Sawgrass, Saturday, May 11, 2013 in Ponte Vedra Beach, Fla. (AP Photo/Gerald Herbert)

David Lingmerth of Sweden, hits from the 16th tee during the third round of The Players championship golf tournament at TPC Sawgrass, Saturday, May 11, 2013, in Ponte Vedra Beach, Fla. (AP Photo/John Raoux)

Tiger Woods gestures as his putt misses the cup in the ninth green during the third round of The Players championship golf tournament at TPC Sawgrass, Saturday, May 11, 2013 in Ponte Vedra Beach, Fla. (AP Photo/Gerald Herbert)

Tiger Woods putts on the sixth green for par during the third round of The Players championship golf tournament at TPC Sawgrass, Saturday, May 11, 2013, in Ponte Vedra Beach, Fla. (AP Photo/Gerald Herbert)

Tiger Woods takes a drop on the fourth hole during the third round of The Players championship golf tournament at TPC Sawgrass, Saturday, May 11, 2013 in Ponte Vedra Beach, Fla. (AP Photo/Gerald Herbert)

PONTE VEDRA BEACH, Fla. (AP) ? Tiger Woods was surrounded by four rows of fans who stood shoulder-to-shoulder, curious to see how he was going to escape from the trees on the second hole at The Players Championship. Cheers erupted when he pulled out a 5-wood, a risky shot off the pine straw through a 15-foot gap of pines.

Woods said he didn't hear Sergio Garcia hit his shot from the fairway. He didn't see Garcia stare in his direction.

But he heard Garcia on television during a storm delay.

The Spaniard said the burst of cheers disrupted his swing, and he suggested that Woods was the instigator by thinking only of himself.

"Not real surprising that he's complaining about something," Woods said.

"That's fine," Garcia said when told of Woods' comments. "At least I'm true to myself. I know what I'm doing, and he can do whatever he wants."

A storm was brewing Saturday at Sawgrass even before the real storms rolled in and caused a two-hour delay, keeping eight players from finishing their round. And in the midst of the latest chapter in this Woods-Garcia rift, Swedish rookie David Lingmerth quietly went about his business and wound up atop the leaderboard.

Lingmerth finished a wild day with an 8-foot eagle putt on the par-5 16th and a 10-foot birdie on the island-green 17th to reach 12-under par when the third round was suspended because of darkness.

He was two shots ahead of three players who have won The Players Championship ? Woods, Garcia and Henrik Stenson.

"I'm aware of where they're at," Lingmerth said. "I try not to look at the leaderboard when I'm out there. I'm just trying to do my thing. But having those guys behind me, I know they're going to try to hunt me down, of course. But I'm just going to try to forget about all that and just try to do my thing."

That starts just after sunrise. Eight players ? including the top four ? had to return Sunday morning to complete the third round. Woods and Garcia were on the 15th hole.

The best action Saturday was during the rain delay when Garcia was asked about the par-5 second hole.

"Well, obviously Tiger was on the left and it was my shot to hit," Garcia said. "He moved all of the crowd that he needed to move. I waited for that. I wouldn't say that he didn't see that I was ready, but you do have a feel when the other guy is going to hit and right as I was in the top of the backswing, I think he must have pulled like a 5-wood or a 3-wood and obviously everybody started screaming. So that didn't help very much."

Woods said Garcia didn't have his facts straight.

"The marshals, they told me he already hit, so I pulled a club and was getting ready to play my shot," Woods said.

Asked if they talked it over when play resumed, Woods replied, "We didn't do a lot of talking."

Garcia wound up making a bogey on the second hole to lose the one-shot lead he had at the start of the round. Woods pulled off his shot, and then blasted out of the bunker to about 10 feet and made birdie to take the lead.

When storm clouds moved in, Garcia already hit a tough shot onto the green at No. 7, and Woods had to mark his ball in the fairway when the siren sounded to stop play. When they resumed, Wood hit onto the seventh green, and Garcia putted before Woods got there.

They were on the 15th hole when play was stopped because of darkness. Woods gave a brief TV interview, and Garcia came over to shake his hand.

Garcia didn't back away from his TV interview.

"It happens to me when I'm in Spain," he said of the large crowds. "Obviously, it happens to him everywhere he goes. He gets a lot of people following, and I think you have to be very careful because there's another guy playing. Sometimes you have to pay attention to what's going on because if the other guy's hitting and you do something when you're in the crowd, the crowd is going to respond and it's going to affect the other player.

"I think sometimes you have to be a bit more careful."

Meanwhile, The Players Championship was shaping up to be quite a finish.

Lingmerth, who began his rookie season by losing in a playoff at the Humana Challenge, poured in par putts along the back nine to stay around the leaders, and then he raced by them with his eagle-birdie finish. He returns Sunday to play the 18th hole.

Stenson was the first to reach 12 under when he made a 20-foot birdie putt at the par-5 ninth, but what appeared to be a shoo-in birdie on the par-5 11th turned into a bogey when his second shot when just long and down a steep slope. It took him two chips to reach the green and he made bogey, and Stenson made another bogey on the 15th.

Garcia made par from deep in the woods and bogey from the middle of the fairway. He came close to a hole-in-one on the 13th hole, and went bunker-to-bunker for bogey on the 14th hole. Woods was far steadier, though certainly not spectacular. That birdie he made on No. 2 was his only one of the day.

Jeff Maggert, who also had a share of the lead at one point early in the day, bogeyed the last hole for a 66 and was the clubhouse leader at 9-under 207. Casey Wittenberg and Ryan Palmer also were at 9-under and still had to finish their rounds.

Lee Westwood whiffed a shot on his opening hole then his club nicked a pine tree on his downswing and the club went nearly a foot past the ball, leading to double bogey. Westwood was 6-under with three holes to play.

Hunter Mahan's tee shot on the 15th hole got stuck high up in a tree, leading to double bogey, but then he rolled in an eagle putt from off the 16th green. He three-putted the 17th green for bogey and wound up with a 71, putting him at 8-under 208 with David Lynn of England, who had a 68. Lynn lost in a playoff last week at Quail Hollow.

Through all that, Woods and Garcia generated the biggest buzz.

The Woods-Garcia relationship already was frosty. In Tom Callahan's book on Woods, "His Father's Son," he writes about the time Woods saw Garcia in the clubhouse watching a TV monitor and trying to cheer a player's putt out of the hole.

Woods was said to be put off when Garcia celebrated wildly after winning a Monday night "Battle at Bighorn" exhibition in 2000. During the 2002 U.S. Open at Bethpage Black, which Woods won wire-to-wire, Garcia complained that play should have been stopped in the second round because of the rain.

"If Tiger Woods would have been out there, it would have been called," Garcia said that day.

Saturday was the sixth time Woods and Garcia have played together in the final group on the weekend. Woods went on to win the previous five tournaments.

There is plenty of work left at Sawgrass. And if there is no change on the leaderboard Sunday morning, Woods and Garcia get to play together again.

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/347875155d53465d95cec892aeb06419/Article_2013-05-11-GLF-Players-Championship/id-aa0d3c215bcf449e9f2914293966436e

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Sheriff: Boston Suspect's Burial Appears Legal | NBC4 Washington

Boston Marathon Bomber Buried in Virginia

A Christian woman from Richmond spearheads the effort to bury Boston Marathon bomber Tamerlan Tsarnaev, a Muslim, after hearing no cemeteries would take his body. News4 Northern Virginia Bureau Chief Julie Carey reports.

Bombing Suspect's Uncle Present at Burial in Virginia

Northern Virginia Bureau reporter David Culver spoke to Tamerlan Tsarnaev's uncle about the Boston Marathon bombing suspect's burial in Virginia.

More Photos and Videos

The Caroline County (Va.) Sheriff's Office said Saturday that it had found no evidence that any laws were broken when Tamerlan Tsarnaev, one of two suspects in last month's Boston Marathon bombings, was buried in a private Muslim cemetery in Doswell.

?It would appear that all paperwork is in order at this point. I am still awaiting return phone calls from the Islamic Society of Greater Richmond, Islamic Funeral Services and Worcester (Mass.) Police Chief Gary J. Gemme,? Sheriff Tony Lippa said in a statement released Saturday night.

Lippa said that his office had reviewed a number of documents related to Tsarnaev's death, including the suspect's death certificate, burial permit, a permit issued by the Commonwealth of Massachusetts allowing the body to be removed from that state, and deeds recorded in the Caroline County Circuit Court. Lippa said he met Friday night with David Storke, a funeral home owner and mayor of Bowling Green -- Caroline County's seat -- to review the relevant documents.

Tamerlan Tsarnaev, who was killed in a shootout with police in Watertown, Mass. in the early morning hours of April 19, was buried in a donated plot at the Al-Barzakh Cemetery. The burial was supervised by his uncle, Ruslan Tsarni, of Montgomery Village, Md., who told News4's David Culver off camera that he "buried him with my own hands." Tsarni traveled to Massachusetts last weekend to meet with funeral director Peter Stefan, who had been searching for a jurisdiction that would accept the body of the man believed to have planted one of two bombs that exploded near the Boston Marathon finish line April 15. Three people were killed and 264 were injured in the blasts.Tamerlan Tsarnaev's younger brother, Dzokhar, who officials believe planted the second bomb, was injured in the Watertown shootout and remains in custody.

Caroline County deputies guarded the cemetery for part of the day Friday, but Lippa said that he would not keep them there indefinitely.

"The Sheriff's Office will offer the same amount of protection, no more and no less, to this site as any other Cemetery in Caroline County," Lippa's statement read.

"There are many options available for the owners of the cemetery, at their own cost, to provide additional security should they choose to do so. The Caroline County Sheriff?s Office cannot, nor will we, divert our limited resources towards the protection of a single gravesite, especially one belonging to that of a terrorist.?

No incidents at the cemetery have been reported.

Source: http://www.nbcwashington.com/news/local/Officials-Boston-Suspects-Burial-Appears-Legal-207103591.html

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