Thursday, June 20, 2013

Adafruit smart helmet guides bike riders with Arduino-based light shows (video)

Adafruit smart helmet guides bike riders

Bike sharing systems like New York's Citi Bike may be taking off, but it's doubtful that many participants can find every station without checking a map. Thankfully, Adafruit has unveiled a smart helmet project that could help at least a few of those riders get to their destinations while keeping their eyes on the road. The DIY effort feeds locations to an Arduino-based Flora board and its positioning add-ons, which in turn use a string of NeoPixel LEDs on the helmet as turn indicators. Commuters just have to watch for blinking lights to know where to go next. While the system isn't easy to set up when cyclists have to manually enter coordinates, it is flexible: the open-source code lets it adapt to most any bike sharing system or headpiece. As long as you can get over looking like a Christmas tree on wheels while you navigate, you can build a smart helmet of your own using the instructions at the source link.

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Source: Adafruit

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New Virus Delivery Method Could Help Treat Blinding Diseases

Researchers have developed an easier method to insert viruses carrying special genes into the eye. Their eventual goal is restoring sight destroyed by blinding diseases.

The technique, developed by University of California, Berkeley scientists, could increase opportunities for gene therapy using viruses to treat serious vision disorders, according to Medical News Today. Prior research teams have treated patients with Leber's congenital amaurosis by injecting a virus engineered to carry a normal gene directly into the section of the eye with a defective gene.

Genetics Home Reference describes Leber's congenital amaurosis as a rare congenital illness that mainly affects the retina, the area at the back of the eye with specialized tissue for detecting color and light. Experts recognize at least 13 types of the disorder that vary according to patterns of vision loss, genetic cause, and other eye abnormalities. Leber's is one of the most common reasons for childhood blindness, even though it strikes just two to three children out of every 100,000 newborns.

Unfortunately, when earlier scientists injected Leber's patients with an engineered virus, the virus could not reach all retinal cells with defective genes. The California team considered the retinal injection a risky surgical procedure that could cause retinal detachment and sought a safer, more effective method.

They consider their procedure, which takes only about 15 minutes, safe and surgically non-invasive. It treats even difficult-to-reach retinal cells by injecting the virus into the vitreous humor, the liquid inside the eye.

The Berkeley scientists say their development could expand gene therapy and help restore sight to individuals who suffer from diseases such as retinitis pigmentosa. They also see the potential to treat degenerative disorders associated with aging, like age-related macular degeneration.

According to PubMed Health, age-related macular degeneration (AMD) develops after damage to blood vessels that feed the macula, a region of the retina linked to sharp, detailed vision. Around 90 percent of AMD patients have the dry form, in which small deposits of drusen form and distort central vision. The rest have wet AMD, in which new, abnormal blood vessels develop. Most vision loss is linked to the wet form.

Lead Berkeley researcher David Schaffer created 100 million variants of the virus needed to deliver healthy genes, then chose five that effectively penetrated the retina. His team further selected the best to carry genes to cells affected with two kinds of heredity blindness that have mouse models: X-linked retinoschisis and Leber's.

After injection into the vitreous humor, the virus delivered the new gene to all parts of the retina and made cells there almost normal. Tests showed it was able to penetrate the photoreceptor cells of monkeys, similar to those in human beings.

The researchers are currently working to identify patients likely to be helped by the new virus-delivery method. They anticipate clinical trials soon.

Vonda J. Sines has published thousands of print and online health and medical articles. She specializes in diseases and other conditions that affect the quality of life.

Source: http://news.yahoo.com/virus-delivery-method-could-help-treat-blinding-diseases-145700720.html

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Eye-Tracking Software May Reveal Autism and other Brain Disorders

The eyes of people with neurological conditions, including ADHD and Parkinson?s, have a distinctive motion that could form the basis of clinical diagnosis


blue eye

Image: Flickr/Ricardo Justus

  • Showcasing more than fifty of the most provocative, original, and significant online essays from 2011, The Best Science Writing Online 2012 will change the way...

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Eye-tracking has become the tech trend du jour. Advertisers use data on where you look and when to better capture your attention. Designers employ it to improve products. Game and phone developers utilize it to offer the latest in hands-free interaction.

But eye-tracking can do more than help sell products or give your finger a rest while playing Fruit Ninja. Years of research have found that our tiny, rapid eye movements called saccades serve as a window into the brain for psychologists just as for advertisers?but instead of giving clues about our preferred cookie brands (pdf), they elucidate our inner mental functioning. The question is, can capturing such movements help clinicians make diagnoses of mental and neurological disorders, such as autism, attention-deficit hyperactivity disorder, Parkinson?s disease and more? For many researchers in this growing field, the outlook so far looks positive.

?Visual scanning reflects a model of the world that exists inside the brain of each individual,? explains Moshe Eizenman, a leading eye-tracking researcher at the University of Toronto. ?People with mental disorders have a model of the world that is slightly different than that of normal people?and by moving their eyes, they provide information about this different model.? Autistic children, for example, tend to avoid social images in favor of abstract ones, and they also more rarely and fleetingly make eye contact when looking at faces in an image or video in comparison with nonautistic kids. Similarly distinct, abnormal eye-movement patterns occur in a number of mental disorders, scientists have found.

Until recently, such insights have remained relegated to the lab setting, where researchers traditionally rely on special tools (like mounted headgear) and instructed tasks (like following a moving target across a computer screen). Now, as the cost of the technology drops and accuracy of more common?and practical?tools improves, eye tracking may find wider use in the clinical setting. ?There is going to be a huge growth in the accessibility of eye-tracking devices to clinicians and others,? Eizenman predicts. ?It won?t remain the domain of experts.? But technological advancements themselves are not enough to make eye-tracking for mental health monitoring go mainstream. The big challenge ahead, he says, is meaningful analysis of eye movement information.

Laurent Itti of the University of Southern California?s iLab is a part of a team working on this very challenge. Along with a group of researchers from U.S.C. and Queen?s University in Ontario, last year Itti devised a data-heavy, low-cost method of identifying brain disorders via eye-tracking. Subjects in this ?free viewing? test sit and naturally watch a video on TV for 15 minutes while their eye-movements are recorded. The result is a deluge of data (the average person makes three to five saccadic eye movements per second), so Itti?s team uses advanced machine learning?algorithms that enable a computer to recognize patterns without explicit human instruction?to parse the results and distinguish deviant eye-movements from normal patterns.

In a small, proof-of-concept study (pdf) Itti?s team found that their algorithm could classify mental disorders through eye-movement patterns: They identified elderly Parkinson?s patients with nearly 90 percent accuracy as well as children with attention deficit hyperactivity disorder (ADHD) or fetal alcohol spectrum disorder with 77 percent accuracy. ?This is very different from what people have done before. We?re trying to have completely automated interpretation of the eye movement data,? Itti says. ?So you don?t need to have a scientist look at the data to figure out what?s going on; we?re using algorithms and machines to [identify] the linkage between eye-movement and cognition.?

Source: http://www.scientificamerican.com/article.cfm?id=eye-tracking-software-may-reveal-autism-and-other-brain-disorders

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Wednesday, June 19, 2013

Journalist Michael Hastings dead at 33

Hastings (Yahoo News/File)

Michael Hastings, the journalist whose explosive 2010 Rolling Stone profile of U.S. Gen. Stanley A. McChrystal ("The Runaway General") led to McChrystal's ouster, died in an early morning car accident in Los Angeles on Tuesday, the magazine said. He was 33.

"Hard-charging, unabashedly opinionated, Hastings was original and at times abrasive," Rolling Stone, where he was a contributing editor, said in an obituary. "He had little patience for flacks and spinmeisters and will be remembered for his enthusiastic breaches of the conventions of access journalism."

Hastings, who covered the 2008 presidential election for Newsweek, was hired by Buzzfeed last spring to cover President Barack Obama's 2012 re-election campaign.

"We are shocked and devastated by the news that Michael Hastings is gone," Buzzfeed editor-in-chief Ben Smith said in a statement. "Michael was a great, fearless journalist with an incredible instinct for the story, and a gift for finding ways to make his readers care about anything he covered from wars to politicians. He wrote stories that would otherwise have gone unwritten, and without him there are great stories that will go untold. Michael was also a wonderful, generous colleague and a joy to work with and a lover of corgis?especially his Bobby Sneakers."

Hastings is survived by his wife, Elise Jordan, a journalist and former speechwriter to Secretary of State Condoleezza Rice.

"Great reporters exude a certain kind of electricity," Rolling Stone managing editor Will Dana said in a statement. "The sense that there are stories burning inside them, and that there's no higher calling or greater way to live life than to be always relentlessly trying to find and tell those stories. I'm sad that I'll never get to publish all the great stories that he was going to write, and sad that he won't be stopping by my office for any more short visits which would stretch for two or three completely engrossing hours. He will be missed."

Hastings' "hallmark as reporter was his refusal to cozy up to power," the magazine said, pointing to an email exchange he had last fall with Hillary Clinton aide Philippe Reines in the aftermath of the Benghazi attacks:

Hastings' aggressive line of questioning angered Reines. "Why do you bother to ask questions you've already decided you know the answers to?" Reines asked. "Why don't you give answers that aren't bullshit for a change?" Hastings replied.

Hastings was the author of two books: "The Operators: The Wild and Terrifying Inside Story of America's War in Afghanistan" based, in part, on his coverage of McChrystal; and "I Lost My Love In Baghdad," detailing two tumultuous years covering the war in Iraq for Newsweek. (Hastings' then-girlfriend, Andi Parhamovich, was killed in a botched kidnapping after joining him in Baghdad.)

He also authored a recent e-book, "Panic 2012: The Sublime and Terrifying Inside Story of Obama's Final Campaign."

Source: http://news.yahoo.com/blogs/lookout/michael-hastings-dead-33-002300721.html

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Tuesday, June 18, 2013

Sprint files lawsuit against Dish, Clearwire to block strategic purchase

Sprint

Delaware law and Equity Holders Agreement both stand in the way of Dish's bid for Clearwire, claims Sprint

While it has publicly voiced its opposition to Dish's attempt to purchase a large portion of Clearwire, Sprint is taking things to the next level today by filing a lawsuit against the two companies to stop the deal once and for all. In a release put out to its official newsroom, Sprint details the fact that it has filed a complaint in Delaware against the two companies, citing that if the deal were to go through it would violate not only Delaware law but also Clearwire's Equity Holders Agreement (EHA).

The current deal, which could see Dish purchasing up to the 49.5-percent of Clearwire that Sprint doesn't already own, violates several different principles in Sprint's view.

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Source: http://feedproxy.google.com/~r/androidcentral/~3/qIfNm8tDroU/story01.htm

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Tuesday, June 11, 2013

Britain takes security gamble with Northern Ireland G8

By Conor Humphries

ENNISKILLEN, Northern Ireland (Reuters) - Prime Minister David Cameron is gambling that the remnants of the Irish Republican Army are too weak to trouble the world's most powerful leaders when they meet five miles (8 KM) from the scene of one of the worst killings in Northern Ireland's recent history.

Cameron's government has chosen a secluded lakeside hotel near Enniskillen to host U.S. President Barack Obama and his Group of Eight colleagues at a summit next week, banking on its remote location to deter anti-globalists, Islamists and any other potential trouble-makers.

In doing so, he is running a calculated risk that Irish militants, who do not accept the IRA's 1998 peace agreement with Britain, will be unable to trouble Northern Ireland's experienced security forces.

"In some ways it's more manageable. In some ways it's more of a gamble," said John Bew, a security expert at King's College London. "It's a golden opportunity (for the dissidents) in terrain they know very well."

Enniskillen, like Northern Ireland, has been transformed since an IRA bomb tore through a crowd of mainly Protestant Unionists laying wreaths to Britain's war dead in 1987, killing 11 and wounding 63.

The civilian deaths rocked support among Irish Catholics for the IRA and its bid to force Britain to withdraw from Northern Ireland and pushed its leaders towards dialogue with Unionists, which lead to a ceasefire and the peace deal.

Today tourists from a newly opened cross-border canal wander streets once patrolled by heavily armed British Army soldiers.

"Fermanagh Welcomes You" signs have replaced machine gun turrets that stood sentry on the Irish border, which surrounds the town on three sides.

'SAFER THAN UK'

"There's no way they could have done this 20 years ago. But today it (Northern Ireland) is safer than the rest of the UK," said Colin Whyte, a 43-year-old builder, walking past the site of the bomb which injured several of his relatives.

But fears that a network of a few hundred militant Irish nationalists could target the town once again were realised in March when bomb disposal experts defused a device containing 60 kilograms of homemade explosive.

The groups, one of which has reclaimed the name Irish Republican Army, have a much lower level of technical sophistication and support in the community than the Provisional IRA, which had around 1,500 active members at its peak.

Northern Ireland police last year said the threat from the dissidents is at its highest level since the ceasefire with a threat level of "severe" compared to the lower "substantial" level for international terrorism.

Justice Minister David Ford said last month it would be foolish not to plan for the potential of significant trouble and police have made a number of arrests of people in recent weeks and on Monday seized a cache of weapons.

Ireland is to put 900 police on duty, setting up eight checkpoints to seal the border and the government recently approved new rules to allow the blockage of phone signals in case of emergency.

Security analysts said the dissidents would be unlikely to attack the venue itself, which has been secured with a 7 km fence and police monitoring roads for miles around.

Instead they may repeat attempts in recent months to detonate a car bomb elsewhere in northern Ireland, attack a police station with mortar bombs or target one of the 3,600 officers being brought from Britain to help protect the event.

"You can't say 100 percent that something will happen, but if you look at it through their warped thinking, you would assume that is what they are planning," said Peter Shirlow, an expert in Republican violence at Queen's University in Belfast.

"They have so little support that the only way they can get recognition is by creating a media event. That's why they are so dangerous."

GLOBALISTS STAY AWAY

But by hosting the leaders in Northern Ireland, they are keeping them far from the anti-globalist activists that have dominated past G8 meetings.

And eight years after the July 7, 2005, attacks in London during the last G8 in the United Kingdom, the summit will take place in a region with one of the smallest Muslim populations in the country.

The fear that Northern Ireland police might use force against protesters combined with the logistical difficulties of reaching a rural location with no major airport nearby has discouraged many anti-capitalists from travelling, said Chris Bay, 26, a member of the Socialist Youth Front of Denmark.

"Most of people I speak with across Europe are not going," said Bay, who is travelling but is worried about being turned back at one of three border checkpoints he has to cross.

Protest organisers admit rallies will be much smaller than other years. One of them, Daniel Waldron, 27, said he is hoping to get thousands of people to attend.

On the small country road that leads to the hotel through rolling green hills there is little sign of the huge security operation police are undertaking across the province other than a wire fence and a small police checkpoint.

Raymond McKenzie, who runs an architectural salvage business yards from the security fence, said locals were sanguine about the threat of violence and were determined to make the most of their window on the world stage.

"In the circumstances of a recession, it should be more a plus than a minus," he said. "I'm intending to set up a burger joint for the protesters and I'll stick up two white flags for peace."

(Additional reporting by Maurice Neill and Costas Pistas; Editing by Guy Faulconbridge and Angus MacSwan)

Source: http://news.yahoo.com/britain-takes-security-gamble-northern-ireland-g8-170306564.html

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Syrian war enters new phase but no end in sight

By Khaled Yacoub Oweis and Crispian Balmer

AMMAN/BEIRUT (Reuters) - Forces loyal to President Bashar al-Assad are massing around Aleppo in preparation for an offensive to retake the city and build on battlefield gains that have swung the momentum of Syria's war to Assad and his Hezbollah allies.

Rebels reported signs of large numbers of Shi'ite Muslim fighters flowing in from Iraq to help Assad end the civil war that has killed at least 80,000 people and forced 1.6 million Syrians to flee abroad.

The move to a northern front comes as Syria's war is increasingly infecting its neighbors - Iraq, Lebanon, Jordan and Israel - and widening a regional sectarian faultline between Sunni and Shi'ite Muslims.

For the first time since the start of the uprising in March 2011, an Israeli minister suggested on Monday that Assad might prevail in the war, thanks in large part to support from Shi'ite Iran and the Lebanese guerrilla group Hezbollah.

However, efforts to dislodge rebels in Aleppo will be a much tougher proposition than last week's capture of the town of Qusair, with military analysts predicting that the conflict will probably drag on for months or years as Assad's many foes are likely to be galvanized by recent rebel reversals.

Alarmed by Assad's swift advances and hoping to turn the tide, Washington might decide later this week on whether to start arming the rebels, a U.S. official said.

Assad's army is preparing to lift sieges on areas close to Aleppo before turning its sights on the country's second city, according to the semi-official Syrian al-Watan daily

"Any battle in Aleppo will be huge and most certainly prolonged," said Charles Lister, an analyst at IHS Jane's Terrorism and Insurgency Centre.

"You have large numbers of rebels in several areas of the city. There will have to be a lot of very close combat fighting that always takes a lot of time and leaves many casualties."

Rebel brigades poured into Aleppo last July and have more than half the great merchant city under their control. The front lines are largely stable and a growing number of radicalized, Islamist foreign fighters have joined rebel ranks.

PINCER MOVEMENT

Opposition activists and military sources said the army was airlifting troops to Aleppo airport and to the Kurdish area of Ifrin behind rebel lines, as well as reinforcing two rural Shi'ite Muslim enclaves, Zahra and Nubbul, north of the city.

"The regime appears to be making a pincer movement to try and regain the major cities across the north and east of Syria ahead of the Geneva conference," said Abu Taha, a northern rebel commander, referring to proposed international peace talks.

The United States and Russia hope to hold the conference in Switzerland next month, but Britain has warned that Assad's recent success might make him reluctant to offer the sort of compromises believed necessary to end the bloodshed.

After appearing to seize the initiative in 2012, the rebels have suffered a series of setbacks this year, with Assad's demoralized forces significantly bolstered by the arrival of well-trained fighters from the Shi'ite Muslim group, Hezbollah.

Rebels said these guerrillas had played a determining role in the emphatic victory last week in Qusair, which controls vital supply routes across Syria and into Lebanon.

A security source in Lebanon said Hezbollah would continue to assist Assad, but unlike the battle for Qusair, which lies close to its home turf, it might not dispatch its troops north to Aleppo, preferring instead to offer training.

Looking to relieve the growing pressure on Aleppo, rebels attacked on Monday two major military compounds in northern Syria -- on the outskirts of the city of Raqqa and the Minnig airport in the adjacent province of Aleppo.

"The rebels have raised pressure ... in the last two days to pre-empt any attack on Aleppo," said Abdelrazzaq Shlas, a member of the opposition administrative council for the province.

Activists said the army had retaliated by bombing Raqqa, killing at least 20 civilians and fighters.

"There is a big loss of lives, but the aim is to deflate the morale boost that the regime received after Qusair and not allow it to go to Geneva as a victor," Shlas said.

But in a worrying development for the rebels, Shlas said there were reports of militiamen loyal to Iraqi Shi'ite Cleric Moqtada al-Sadr streaming into Syria to bolster Assad's forces.

Their arrival would underline the increasingly regionalized nature of the war following Hezbollah's entry into the fray.

JIHAD

Lister, who monitors Sunni Muslim Jihadist forums, said it seemed a growing number of Sunni men appeared ready to take up arms in Syria with the mainly Sunni rebel forces.

"If you believe what you read in the forums, then there are a lot of people heading to Syria to take up the fight," he said, adding that there were also a growing number of death notices for foreign fighters appearing on the web, including six in one day last week.

Israel, which shares a tense border with Syria, has regularly predicted the fall of Assad. But on Monday, Minister for Intelligence Yuval Steinitz offered a very different view.

Speaking to foreign reporters in Jerusalem, he said Assad's government "might not just survive but even regain territories".

Western nations, including the United States, have said Assad must stand down, but have thus far refused to arm the rebels, worried the weaponry might fall into the hands of radical elements, including groups tied to al Qaeda.

On a visit to Aleppo earlier this month, a Reuters correspondent saw a marked increase in the number of hardcore Islamist groups, who seemed to have gained ascendancy over the more moderate Free Syrian Army that led the initial combat.

Rebels in the city also seemed more focused on resolving day-to-day issues rather taking the fight to Assad.

"The biggest problem we have is thievery. There are thieves who pretend to be rebels and wear rebel clothes so they can steal from civilians," said Abu Ahmed Rahman, head of the Revolutionary Military Police in Aleppo, an organization set up to resolve disputes between rebels and civilians.

But there were also signs of anti-Assad forces digging in, preparing for an eventual army onslaught.

"This conflict has no discernable end point at the moment," said Lister.

(Additional reporting by Oliver Holmes in Aleppo and Dan Williams in Jerusalem; Editing by Giles Elgood)

Source: http://news.yahoo.com/syrian-war-enters-phase-no-end-sight-150220753.html

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Hong Kong Covert Surveillance Law Allows Wiretapping, Bugging Homes, Reading Email (Little green footballs)

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