Diplomats have agreed a four-month extension to the deadline for an agreement between Tehran and world powers on Iran's nuclear programme.

Lenovo's 8-inch Windows tablets can't get traction in the US. Peter Bright

Lenovo announced today that it will no longer sell its 8-inch Windows tablets in the US, less than a year after introducing both the lower-end Miix 2 8 and the high-end ThinkPad Tablet 8. IT World reports that Lenovo is stopping sales because of a general lack of interest but that the ThinkPad 8 in particular will continue to be sold in international markets where it has managed to gain more traction. The company will also continue to sell 10-inch Windows tablets, which it claims are performing better, as well as its 7- and 8-inch Android tablets.

This isn't great news for Microsoft, which came to the small-screen tablet market late but has devoted considerable energy to making Windows work on those screens. When first released, Windows 8 required 1366×768 screens and didn't work well in portrait mode, making it poorly suited for smaller tablets with lower-resolution screens that were easy to hold upright. Microsoft later loosened those resolution restrictions, and Windows 8.1 tweaked the OS to work better in portrait mode. After a rocky start, high-quality small-screened Windows tablets began to hit the market in late 2013.

Lenovo is only the third largest PC manufacturer in the US (though it's number one worldwide), so its exit from the 8-inch Windows tablet market isn't as worrisome as it would be if Dell were to pack up and leave. Still, it's probably a bad sign for the other OEMs, who are all selling similar Windows tablets running similar hardware in a market dominated by the iPad Mini, the Kindle Fire, and any number of Android tablets from the likes of Samsung and Asus.

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The Chrome OS "Athena" UI is obviously a work-in-progress. Francois Beaufort

Google-watchers may have already heard about "Project Athena," a Chrome OS-related experiment of Google's that has appeared in the Chromium source code a few times in the past. Today we got our first official look at the new interface via Francois Beaufort, a Chrome enthusiast who was hired by Google last year after leaking several high-profile Chrome features.

The new UI, pictured above, displays a cascading stack of cards, each of which appears to represent an individual browser tab. At the bottom of the screen, an app drawer full of dummy icons and a Search field will allow the user to jump quickly into other applications. The battery indicator and network status are in the upper-right corner of the screen. Putting aside the rough, obviously-a-work-in-progress aesthetic of the interface, it bears a strong resemblance to the new multitasking UI in the Android L release, which shows apps and individual browser tabs as a similar stack of cards.

The Android L developer preview's multitasking UI on a 2013 Nexus 7. Andrew Cunningham

The current Chrome user interface, codenamed "Aura," hews much closer to Windows 7 than to Android, and it works better with a traditional keyboard and mouse combo than with fingers. The Athena UI looks like a more touch-friendly take on Chrome OS—touchscreens are gradually beginning to show up on Chromebooks like the Pixel and one of Acer's C720 models, but as we pointed out in our Chromebook Pixel review the operating system isn't particularly touch-friendly. It's possible that Google is looking to give touchscreen Chromebooks a boost by developing an interface for them that's easier to use.

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The BBC Proms the world's biggest music festival started on Friday including for the first time the China Philharmonic Orchestra.

The number of people in Gaza seeking sanctuary from the conflict with Israel nearly doubled on Friday, the UN says.

The world is still reeling from the shock of the deaths of 298 people on Malaysian flight MH17, which was shot down in Ukraine yesterday, but the battle to write and rewrite history has already begun online.

Thanks to a Twitter bot that monitors Wikipedia edits made from Russian government IP addresses, someone from the All-Russia State Television and Radio Broadcasting Company (VGTRK) has been caught editing a Russian-language Wikipedia reference to MH17 in an article on aviation disasters.

Статья в Википедии Список авиационных катастроф в гражданской авиации была отредактирована ВГТРК http://t.co/peZ60q07Fj

— Госправки (@RuGovEdits) July 18, 2014

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Over the past few years, consumer-grade routers have emerged as a key security threat. Whether manufactured by Asus, Linksys, D-Link, Micronet, Tenda, TP-Link, or others, small office/home office (SOHO) routers have suffered a variety of real-world attacks that in some cases have allowed hackers to remotely commandeer hundreds of thousands of devices.

Now, security advocates are sponsoring "SOHOpelessly BROKEN," a no-holds-barred router hacking competition at next month's Defcon hacker conference in Las Vegas. The contest will challenge attendees to unleash novel exploits on 10 off-the-shelf SOHO routers running recent firmware versions.

"The objective in this contest is to demonstrate previously unidentified vulnerabilities in off-the-shelf consumer wireless routers," organizers said. "Contestants must identify weaknesses and exploit the routers to gain control. Pop as many as you can over the weekend to win. Contest will take place at Defcon 22, August 7-12, 2014 in the Wireless Village contest area."

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A federal appeals court upheld Thursday the child pornography conviction and accompanying 10-year prison term handed to a Nebraska man who superimposed the image of an underaged girl's face onto a picture of two adults having sex.

The 8th US Circuit Court of Appeals rejected (PDF) claims from 28-year-old Jeffrey Anderson that his actions were protected by the First Amendment. Anderson sent the doctored image to his 11-year-old half-sister via Facebook, resulting in the charge of distributing child pornography. Anderson had superimposed the half sister's face onto the photo, the court said.

Among other defenses, Anderson argued that because no minor engaged in sex, he should not have been charged.

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An artist's rendering of the SBIRS "High" geosynchronous infrared surveillance satellite, one of the newer additions to the DOD's constellation of missile launch detection satellites. Lockheed Martin

President Barack Obama today said without hesitation that the missile that shot down Malaysia Airlines Flight 17 was launched from within territory controlled by pro-Russian separatists in Eastern Ukraine. While he didn’t go into the sources the US used to pinpoint the launch, early reports say that US intelligence had identified the infrared signature of a missile launch just before contact with the airliner was lost.

That information likely came from one of a network of satellites operated by the Air Force and the National Reconnaissance Office (NRO), the US intelligence community’s spy satellite operations agency. Using highly sensitive infrared sensors and other electronic intelligence gathering sensors, these satellites can detect a variety of ground-based missile systems, as well as some aircraft, by their infrared signature. They also carry sensitive electronic intelligence sensors that can detect radar signals associated with anti-aircraft missile systems like the Buk launcher that has been widely pointed to as the culprit in the MH17 downing.

The latest of these satellite systems is the Space Based Infrared System (SBIRS), the successor to the long-running and euphemistically named “Defense Support Program” (DSP) satellite system. The DSP started in the late 1960s and continued in various forms through the last decade. A portion of the DSP constellation of satellites continues to function today and has been considered for use in tracking forest fires and potentially forecasting impending volcanic eruptions.

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Aurich Lawson

A recent Forbes report says that Chrome on Windows uses up more battery than competing browsers, thanks to a high system timer setting. Windows uses a timer to schedule tasks. At idle, the timer on Windows is set to about 15 ms, so if it has no work to do, it will go to sleep and only wake up every 15 ms to check if it needs to do something.

Applications can change this timer, and other browsers like Firefox and Internet Explorer don't mess with it until they need to do something processor intensive, like playing a video. After the video is done, the timer is set to return to 15 ms so that the computer can idle again. Chrome, though, boosts the timer to 1 ms and keeps it there forever. The difference means that on Firefox at idle, the CPU only wakes 64 times a second. On Chrome, it wakes up 1,000 times a second.

In its Windows documentation, Microsoft notes that setting the system timer to a high value can increase power consumption by “as much as 25 percent.” This means that on a laptop, you'll get a shorter runtime with Chrome than you will on a competing browser. And the issue has been around for a long time. Forbes links to a bug report documenting the problem that was first filed in 2010.

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At least 13,000 Chicago motorists have been cited with undeserved tickets thanks to malfunctioning red-light cameras, according to a 10-month investigation published Friday by the Chicago Tribune. The report found that the $100 fines were a result of "faulty equipment, human tinkering or both."

According to the investigation:

Cameras that for years generated just a few tickets daily suddenly caught dozens of drivers a day. One camera near the United Center rocketed from generating one ticket per day to 56 per day for a two-week period last summer before mysteriously dropping back to normal.

Tickets for so-called rolling right turns on red shot up during some of the most dramatic spikes, suggesting an unannounced change in enforcement. One North Side camera generated only a dozen tickets for rolling rights out of 100 total tickets in the entire second half of 2011. Then, over a 12-day spike, it spewed 563 tickets—560 of them for rolling rights.

Many of the spikes were marked by periods immediately before or after when no tickets were issued—downtimes suggesting human intervention that should have been documented. City officials said they cannot explain the absence of such records.

City officials and Redflex Traffic Systems of Arizona, the report said, "acknowledged oversight failures and said the explosions of tickets should have been detected and resolved as they occurred. But they said that doesn't mean the drivers weren't breaking the law, and they defended the red light camera program overall as a safety success story. The program has generated nearly $500 million in revenue since it began in 2003."

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Nigeria is booming, but a vast gap still exists between the growing middle-class and other Nigerians.

More than three months after the disclosure of the catastrophic Heartbleed vulnerability in the OpenSSL library, critical industrial control systems sold by Siemens remain susceptible to hijacking or crashes that can be triggered by the bug, federal officials have warned.

The products are used to control switches, valves, and other equipment in chemical, manufacturing, energy, and wastewater facilities. Heartbleed is the name given to a bug in the widely used OpenSSL cryptographic library that leaks passwords, usernames, and secret encryption keys. While Siemens has updated some of its industrial control products to patch the Heartbleed vulnerability, others remain susceptible, an advisory published Thursday by the Industrial Control Systems Cyber Emergency Response Team warned.

"The vulnerabilities identified could impact authenticity, integrity, and availability of affected devices," the notice stated. "The man-in-the-middle attack could allow an attacker to hijack a session between an authorized user and the device. The other vulnerabilities reported could impact the availability of the device by causing the web server of the product to crash."

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crocus08

In a recent experiment, scientists were able to observe quasiparticles propagating across a string of ions, creating waves of quantum entanglement in their wake. Experiments like this one, which study systems with multiple quantum bodies, are crucial to learning about the behavior of quasiparticles and their interactions with more traditional particles.

It’s tempting to think that quasiparticles are not particles at all. Quasiparticles are “objects” that emerge within a complex system, such as a solid object. The collective behavior of the particles in the solid can create the impression of a new particle. The impression—or quasiparticle—moves through the solid as if it were a real particle moving through empty space, and it behaves according to the same rules.

Nevertheless, within their system, quasiparticles can have real effects on their environment. Most recently, scientists were able to track the propagation of quasiparticles called magnons through a collection of atoms. Now, scientists have been able to watch as that propagation changed the behavior of these atoms. And in the process, the quasiparticles reached speeds where a conventional model, which we use to understand time, breaks down.

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A fugitive on the run for 21 years is learning the hard way that it's best not to have a Facebook account if you're trying to avoid the long arm of the law.

Apparently, fugitive Francisco Legaspi didn't get that memo. The former California tax-preparer pleaded guilty Thursday in a San Francisco federal court to charges (PDF) that he fled prosecution for filing false tax returns in 1993, initially landing in Mexico and eventually settling in Canada.

US Attorney Melinda Haag's office in San Francisco said the 61-year-old fugitive was apprehended "after the US Department of State's Bureau of Diplomatic Security researched social media websites and found Legaspi's Facebook page. The Royal Canadian Mounted Police used the information to apprehend Legaspi."

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If you weren't at QuakeCon, this content-free teaser is all you get to see of the new Doom for the time being.

The bad news is that only people who were actually at Dallas' QuakeCon last night were able to see the world-premiere gameplay footage from the next Doom game, which somehow hasn't been leaked online yet. The good news is that plenty of people that were there are reporting on the unveiling, which seemed to include a number of extremely un-Doom-like additions.

One of the bigger changes brought by the new Doom (which is notably not being called Doom 4 anymore) is a jet-pack powered double-jump, à la Crysis 3, Titanfall, Destiny and, now, presumably, every first-person shooter to come out in the next year or two. Players can also climb up the sides of "large crates and gaps" according to PC Gamer's report, adding even more ability to go vertical.

But it's the Mortal Kombat-style melee finishing moves that seem to have gotten the crowd the most riled up. PC Gamer describes how, once an enemy is low on health, the player can get close and activate moves that see "lower jaws pulled off, skulls stomped on, and hearts torn out with the level of detail usually reserved for those slow-mo bullet cams in the Sniper Elite series." Rock Paper Shotgun noted that "enemies break apart like moldy bread... literally tearing them in half sometimes." The outlet also reported scenes with "crushing heads, chunks flying everywhere."

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True to the webpages uncovered earlier in the week, Amazon has unveiled a new e-book subscription service. Dubbed Kindle Unlimited, the service gives access to both e-books and audiobooks, though with restrictions on the latter.

Kindle Unlimited is priced at $9.99 per month with a 30-day free trial, and it allows users to read any number of the 600,000 available titles. By saying audiobooks are available, Amazon means that "thousands of Kindle books come with the free professionally narrated Audible audiobook." Kindle Unlimited subscribers also get three months of an Audible membership (normally $14.95 per month), which translates to three free audiobooks. There are no standalone audiobooks available through the service.

Kindle Unlimited books are accessible on any Kindle or device that has a Kindle app. The program is more flexible than the Kindle Owners' Lending Library, a perk of Amazon Prime that allows only Kindle-owning Prime members to read a limited selection of free e-books.

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"Verizon made an enemy tonight" is the title of a new blog post by a FiOS customer who just discovered that using a VPN can vastly improve his Netflix performance.

Colin Nederkoorn, co-founder and CEO of e-mail software maker Customer.io, ran a Netflix test video and found that it "streams at 375 kbps (or 0.375 mbps – 0.5% of the speed I pay for) at the fastest. I was shocked."

Nederkoorn pays Verizon for 75Mbps download speed. How could he make the most of it?

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Actor Sir Patrick Stewart has joined campaigners on a march in support of assisted dying, as the House of Lords debate a new attempt to change the law.

Nettops and netbooks, as a class of products, have been on the decline over the last few years. However, the introduction of SoCs based on the new Silvermont Atom cores has given the segment a chance to reinvent itself. ECS is trying to take the lead here with their LIVA mini-PC kits. Read on to find out more about the ECS LIVA and how it performs in our evaluation.