Monday, June 24, 2013

Zimmerman portrayed as vigilante in Fla. shooting

SANFORD, Fla. (AP) ? George Zimmerman was fed up with "punks" getting away with crime and shot 17-year-old Trayvon Martin "because he wanted to," not because he had to, prosecutors argued Monday, while the neighborhood watch volunteer's attorney said the killing was self-defense against a young man who was slamming Zimmerman's head against the pavement.

The prosecution began opening statements in the long-awaited murder trial with shocking language, repeating obscenities Zimmerman uttered while talking to a police dispatcher moments before the deadly confrontation.

The defense opened with a knock-knock joke about the difficulty of picking a jury for a case that stirred nationwide debate over racial profiling, vigilantism and Florida's expansive laws on the use of deadly force.

"Knock. Knock," said defense attorney Don West.

"Who is there?"

"George Zimmerman."

"George Zimmerman who?"

"All right, good. You're on the jury."

Zimmerman, 29, could get life in prison if convicted of second-degree murder for gunning down Martin on Feb. 26, 2012, as the unarmed black teenager, wearing a hoodie on a dark, rainy night, walked from a convenience store through the gated townhouse community where he was staying.

The case took on racial dimensions after Martin's family claimed that Zimmerman had racially profiled Martin and that police were dragging their feet in bringing charges. Zimmerman, whose mother is Hispanic and whose father is white, has denied the confrontation had anything to do with race.

Prosecutor John Guy's first words to the jury recounted what Zimmerman told a dispatcher in a call shortly after spotting Martin: "F------ punks. These a-------. They always get away."

Zimmerman was profiling Martin as he followed him, Guy said. He said Zimmerman viewed the teen "as someone about to a commit a crime in his neighborhood."

"And he acted on it. That's why we're here," the prosecutor said.

Zimmerman didn't have to shoot Martin, Guy said. "He shot him for the worst of all reasons: because he wanted to," he said.

The prosecutor portrayed the watch captain as a vigilante, saying, "Zimmerman thought it was his right to rid his neighborhood of anyone who did not belong."

West told jurors a different story: Martin sucker-punched Zimmerman and then pounded the neighborhood watch volunteer's head against the concrete sidewalk, and that's when Zimmerman opened fire.

Showing the jury photos of a bloodied and bruised Zimmerman, the defense attorney said, "He had just taken tremendous blows to his face, tremendous blows to his head."

West said the story that Martin was unarmed is untrue: "Trayvon Martin armed himself with a concrete sidewalk and used it to smash George Zimmerman's head."

The prosecutor, however, disputed elements of Zimmerman's story, including his claim that Martin put his hands over Zimmerman's mouth and reached for the man's gun. Guy said none of Zimmerman's DNA was found on Martin's body, and none of the teenager's DNA was on the weapon or the holster.

But West said that doesn't prove anything, arguing that crime-scene technicians didn't properly protect Martin's hands from contamination.

Two police dispatch phone calls that could be important evidence for both sides were played for the jury by the defense. Martin's mother, Sybrina Fulton, left the courtroom before the second recording, which has the sound of the gunshot that killed Martin.

The first was a call Zimmerman made to a nonemergency police dispatcher, who told him he didn't need to be following Martin.

The second 911 call, from a witness, captures screams in the distant background from the struggle between Zimmerman and Martin. Martin's parents said the screams are from their son, while Zimmerman's father contends they are his son's.

Circuit Judge Debra Nelson ruled last weekend that audio experts for the prosecution won't be able to testify that the screams belong to Martin, saying the methods used were unreliable.

On Monday, one of the first witnesses for the prosecution was a custodian of police dispatch calls. During the witness' testimony, prosecutors started playing police calls Zimmerman had made in the months before he shot Martin. The defense objected, arguing the calls were irrelevant.

The judge said she would address the matter Tuesday and sent the jurors to the hotel where they are being sequestered for the duration of the trial, which could last several weeks

Other witnesses who testified Monday included a convenience store clerk and the 911 dispatcher who took Zimmerman's call when he was following Martin. Martin had gone to the convenience store to buy Skittles and a can of iced tea.

The 911 dispatcher, Sean Noffke, testified that he had advised Zimmerman not to follow Martin.

Randy McClean, a criminal defense attorney in Florida with no connection to the case, called the prosecution's opening statement "brilliant" in that it described Zimmerman's state of mind. But he described the knock-knock joke as less than stellar.

"If you're defending your client for second-degree murder, you probably shouldn't start your opening with a joke," McClean said.

___

Follow Kyle Hightower on Twitter at http://twitter.com/KHightower

Follow Mike Schneider on Twitter at http://twitter.com/MikeSchneiderAP

Source: http://news.yahoo.com/zimmerman-portrayed-vigilante-fla-shooting-204339598.html

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Sunday, June 23, 2013

The Weekly Roundup for 06.17.2013

You might say the week is never really done in consumer technology news. Your workweek, however, hopefully draws to a close at some point. This is the Weekly Roundup on Engadget, a quick peek back at the top headlines for the past seven days -- all handpicked by the editors here at the site. Click on through the break, and enjoy.

The Weekly Roundup for 12032012

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Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/wj3dCSHigHI/

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Graphene-based system could lead to improved information processing

June 21, 2013 ? Researchers at MIT have proposed a new system that combines ferroelectric materials -- the kind often used for data storage -- with graphene, a two-dimensional form of carbon known for its exceptional electronic and mechanical properties. The resulting hybrid technology could eventually lead to computer and data-storage chips that pack more components in a given area and are faster and less power-hungry.

The new system works by controlling waves called surface plasmons. These waves are oscillations of electrons confined at interfaces between materials; in the new system the waves operate at terahertz frequencies. Such frequencies lie between those of far-infrared light and microwave radio transmissions, and are considered ideal for next-generation computing devices.

The findings were reported in a paper in Applied Physics Letters by associate professor of mechanical engineering Nicholas Fang, postdoc Dafei Jin and three others.

The system would provide a new way to construct interconnected devices that use light waves, such as fiber-optic cables and photonic chips, with electronic wires and devices. Currently, such interconnection points often form a bottleneck that slows the transfer of data and adds to the number of components needed.

The team's new system allows waves to be concentrated at much smaller length scales, which could lead to a tenfold gain in the density of components that could be placed in a given area of a chip, Fang says.

The team's initial proof-of-concept device uses a small piece of graphene sandwiched between two layers of the ferroelectric material to make simple, switchable plasmonic waveguides. This work used lithium niobate, but many other such materials could be used, the researchers say.

Light can be confined in these waveguides down to one part in a few hundreds of the free-space wavelength, Jin says, which represents an order-of-magnitude improvement over any comparable waveguide system. "This opens up exciting areas for transmitting and processing optical signals," he says.

Moreover, the work may provide a new way to read and write electronic data into ferroelectric memory devices at very high speed, the MIT researchers say.

Dimitri Basov, a professor of physics at the University of California at San Diego who was not connected with this research, says the MIT team "proposed a very interesting plasmonic structure, suitable for operation in the technologically significant [terahertz] range. ? I am confident that many research groups will try to implement these devices."

Basov cautions, however, "The key issue, as in all of plasmonics, is losses. Losses need to be thoroughly explored and understood."

In addition to Fang and Jin, the research was carried out by graduate student Anshuman Kumar, former postdoc Kin Hung Fung (now at Hong Kong Polytechnic University), and research scientist Jun Xu. It was supported by the National Science Foundation and the Air Force Office of Scientific Research.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/~3/4eQl1-5Fu_M/130621095620.htm

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Saturday, June 22, 2013

Ex-inmate recalls Gandolfini?s quiet support

James Gandolfini (AP)James Gandolfini (AP)James Gandolfini, who passed away on Tuesday, will long be remembered for his consummate acting chops. For wrongly convicted Marty Tankleff of Long Island, however, the "Sopranos" star left an entirely different kind of legacy.

Years after Tankleff was convicted as a teenager for killing his parents in 1988, Gandolfini became a quiet supporter of the Long Islander as he fought for two decades to overturn the double-murder charge, the New York Daily News reports.

?Jim was loyal?it wasn?t like he did it for the publicity,? said Tankleff, 41.

Gandolfini learned about the case through Jay Salpeter, a former New York Police Department detective, while researching a role for the 2006 movie "Lonely Hearts." Gandolfini met Tankleff soon afterward, driving several hours upstate to see him at Great Meadow Correctional Facility.

?He was a genuine, nice person you could sit down and eat dinner with,? said Tankleff. ?He got involved with my situation when others were reluctant.?

At the upstate facility, Gandolfini spent two hours talking with Tankleff and showed up to support him in a Brooklyn courtroom two months later. While the actor declined to do media interviews, Lonnie Soury, the PR executive who led the campaign to free Tankleff, told the Daily News that his presence alone delivered a powerful, unspoken message.

?My feeling was we were going to have a friend for the life of Marty?s case,? recalled Salpeter

Tankleff?s sentence was overturned by an appeals court in December 2007. According to the Daily News, Tankleff is a now a paralegal working toward a law degree.

Source: http://news.yahoo.com/blogs/lookout/gandolfini-leaves-legacy-support-ex-inmate-135820547.html

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Instagram video: Parents need not change their approach with the new feature

Instagram now has video (15 seconds compared to Vine's six). Parents need not develop a new approach to Instagram's new video feature, though, and ConnectSafely's guide to Instagram still holds up.?

By Anne Collier,?Guest Blogger / June 21, 2013

Instagram founder Kevin Systrom talks about an added video feature to the Instagram program at Facebook headquarters in Menlo Park, Calif., June 20.

Marcio Jose Sanchez/Associated Press

Enlarge

Facebook?s little photo-sharing app just became a video-sharing app too. Whether they?re using Apple or Android phones, Instagram?s 130 million users can now simply pick whether that image they want to capture is better static or in motion, then click on either the little camera or videocam icon. If they go with video, they can capture up to 15 seconds (no looping over and over as in other video-sharing apps like Vine). The filters that have always added to the fun in this app are there for video too (13 of them for it), and they can pick the frame they want to use to represent that little video on their profile or wherever they share it. If their shooting isn?t very steady, there?s a pretty amazing feature called Cinema (for now just for iPhone 4s and 5) that stabilizes the video for them.

Skip to next paragraph Anne Collier

Guest Blogger

Anne Collier is editor of NetFamilyNews.org and co-director of ConnectSafely.org, a Web-based interactive forum and information site for teens, parents, educators, and everybody interested in the impact of the social Web on youth and vice versa. She lives in Northern California and has two sons.

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Everything else about this new addition is a lot like the photo part of Instagram ? which is almost more about illustrated conversations than mere photo-sharing. ?We?re still committed to making sure you have control over all of your content. Only the people who you let see your photos will be able to see your videos,? wrote Instagram co-founder Kevin Systrom in the?IG blog. And we ConnectSafely folk have written a straightforward, 5-page?parents? guide to Instagram?that tells you how to help your kids keep it fun and constructive (we?re in the middle of updating it as I write this). Here?s coverage of the video announcement at?TechCrunch.

Source: http://rss.csmonitor.com/~r/feeds/csm/~3/hcqrt289UXk/Instagram-video-Parents-need-not-change-their-approach-with-the-new-feature

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SkinVision App Turns Your Smartphone Into A Skin Cancer Scanner

skinvision-app-skin-cancer-scanner

There are so many apps to help us monitor our health these days. Some of them are even used by doctors to improve the quality of our heathcare. It?s no surprise that the lifespan of human beings is increasing almost as fast as technology itself. I would like to share with you another app that was designed to help us monitor our heath (although it?s not to be used as a replacement for a doctor). It?s an app that turns your smartphone into a skin cancer scanner.

It?s called SkinVision, and since this is an app with a lot of science and research behind it (it was also a finalist in the 2013 INDEX Awards), I wanted to take a closer look at it. It was designed in collaboration with dermatologists, and its purpose is to allow users a mobile way to track their skin health and UV exposure.

The way it works is simple. The app first determines your skin type and local UV index. Then, you take a photo of any moles or other skin lesions of concern. You will basically be using your smartphone like a skin cancer scanner. At that point, the app will be able to determine what kind of mole is in your picture. Again, this is not to replace a doctor visit. It?s just a way to check any concerns in a quick and easy way before you?re able to schedule a doctor?s visit.

Since the SkinVision database has more than 100,000 moles in it (4,000 of which have been reviewed more than once by a dermatologist), it?s pretty comprehensive. Their algorithm takes into consideration the fractal dimensions of the skin lesion and the surrounding tissue. If it seems abnormal, the user is alerted immediately. The algorithm is constantly being improved upon, and the developers of this app want it to become even better than it is now.

If you would like to turn your own smartphone into a mobile skin cancer scanner, you can pick SkinVision up on iTunes or Google Play.

Again, this app is not to be used in place of a doctor.
(Click Images To Enlarge)

skinvision-app-skin-cancer-scanner

skinvision-app-skin-cancer-scanner

skinvision-app-skin-cancer-scanner

Via: [Inhabitat] [The Next Web]

Source: http://www.bitrebels.com/apps/skinvision-app-skin-cancer-scanner/

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