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Quasiparticles carry entanglement to near infinite speeds

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. Read 13 remaining paragraphs | Comments

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Quasiparticles carry entanglement to near infinite speeds

Id shows off double-jumping, skull-crushing new Doom at QuakeCon

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.” Read 3 remaining paragraphs | Comments

Faulty red light cameras produced thousands of bogus traffic tickets

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.” Read 1 remaining paragraphs | Comments

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Faulty red light cameras produced thousands of bogus traffic tickets

Fossils of strange Cambrian predator preserved with brains preserved

The new species, showing the eyes (upper and lower center) and a single clawed appendage (top left). Peiyun Cong The animals of the Cambrian are noted for being a collection of oddballs that are sometimes difficult to match up with anything currently living on Earth. But even among these oddities, Anomalocarids stand out (as their name implies). The creatures propelled themselves with a series of oar-like paddles arranged on their flanks, spotted prey with enormous compound eyes , and shoveled them into a disk-like mouth with large arms that resided at the very front of their bodies—although some of them ended up as filter feeders . We’ve identified a large number of anomalocarid species, many of which appear to have been the apex predators of their ecosystems. Yet for all our knowledge of them, there’s a key issue we haven’t clarified: how do they relate to any species that might exist today? New fossils from a Cambrian era deposit in China have revealed three samples of a new species that are so exquisitely preserved that their discoverers can trace the animals’ nerves. And the structure of the brain reveals affinities for two completely different types of organisms. The new species, Lyrarapax unguispinus , is a relatively small anomalocarid at only about eight centimeters long. Like others of this group, it’s got a set of distinctive features, such as a neck, large compound eyes, and large frontal appendages, in this case shaped a bit like claws. Just past the neck, it’s got two large segments that look a bit like the fins on the sides of animals like dolphins. Read 6 remaining paragraphs | Comments

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Fossils of strange Cambrian predator preserved with brains preserved

GHCQ’s “Chinese menu” of tools spreads disinformation across Internet

Just a few of the “weaponized” capabilities from GCHQ’s catalog of information warfare tools. What appears to be an internal Wiki page detailing the cyber-weaponry used by the British spy agency GCHQ was published today by Glenn Greenwald of The Intercept . The page, taken from the documents obtained by former NSA contractor Edward Snowden, lists dozens of tools used by GCHQ to target individuals and their computing devices, spread disinformation posing as others, and “shape” opinion and information available online. The page had been maintained by GCHQ’s Joint Threat Research Intelligence Group (JTRIG) Covert Internet Technical Development team, but it fell out of use by the time Snowden copied it. Greenwald and NBC previously reported on JTRIG’s “dirty tricks” tactics for psychological operations and information warfare, and the new documents provide a hint at how those tactics were executed. GCHQ’s capabilities included tools for manipulating social media, spoofing communications from individuals and groups, and warping the perception of content online through manipulation of polls and web pages’ traffic and search rankings. Originally intended to inform other organizations within GCHQ (and possibly NSA) of new capabilities being developed by the group, the JTRIG CITD team noted on the page, “We don’t update this page anymore, it became somewhat of a Chinese menu for effects operations.” The page lists 33 “effects capability” tools, as well as a host of other capabilities for collecting information, tracking individuals, attacking computers, and extracting information from seized devices. Read 8 remaining paragraphs | Comments

Human memory-saving devices get $37.5m research boost from DARPA

Flickr user: Dierk Schaefer Two teams creating devices that stimulate the brain to restore memory function have been granted $37.5 million by DARPA to develop the technology. Both will initially work with people with epilepsy who have been given implants to locate where their seizures originate. The researchers will reuse the data gathered during this process to monitor other brain activity, such as the patterns that occur when the brain stores and retrieves memories. One team will then attempt to map these patterns by recording the brain activity of epilepsy sufferers with mild memory problems while they play a computer game about remembering things. The pattern differences between the best and worst scores among these patents will be used to develop an algorithm for a personalized stimulation pattern to keep the brain performing at an optimal level. Read 6 remaining paragraphs | Comments

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Human memory-saving devices get $37.5m research boost from DARPA

Seattle utility wants $17,500 refund after failure to scrub negative search results

John Tregoning Seattle’s publicly-owned electrical utility, City Light, is now demanding a refund for the $17,500 that it paid to Brand.com in a botched effort to boost the online reputation of its highly-paid chief executive, Jorge Carrasco. The project was concocted by the CEO’s chief of staff, Sephir Hamilton . In an interview with Ars, Hamilton said that the agency may even file a lawsuit to enforce this refund. “We’re leaving our options open,” he said. “I hope that they’ll see that what we signed up for was not the service that they delivered. We were sold one bill of goods and we were given another.” Read 26 remaining paragraphs | Comments

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Seattle utility wants $17,500 refund after failure to scrub negative search results

Deep-sea streaming: 500-mile NEPTUNE cabling brings Internet to the ocean floor

Your home Ethernet cable doesn’t deal with any of this ish—pictured here, a sea star and a squat lobster—behind some desk. NEPTUNE Canada The Juan de Fuca tectonic plate is by far one of the Earth’s smallest. It spans just a few hundred kilometers of the Oregon, Washington, and British Columbia coast. But what the Juan de Fuca lacks in size it makes up for in connectivity. It’s home to a unique, high-speed optical cabling that has snaked its way across the depths of the Pacific seafloor plate since late 2009. This link is called NEPTUNE—the North-East Pacific Time-Series Underwater Networked Experiment—and, at more than 800 kilometers (about 500 miles), it’s about the same length as 40,000 subway cars connected in a single, long train. A team of scientists, researchers, and engineers from the not-for-profit group Oceans Network Canada maintains the network, which cost CAD $111 million to install and $17 million each year to maintain. But know that this isn’t your typical undersea cable. For one, NEPTUNE doesn’t traverse the ocean’s expanse, but instead loops back to its starting point at shore. And though NEPTUNE is designed to facilitate the flow of information through the ocean, it also collects information about the ocean, ocean life, and the ocean floor. Read 52 remaining paragraphs | Comments

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Deep-sea streaming: 500-mile NEPTUNE cabling brings Internet to the ocean floor

$1,099 iMac review: lose 50% of your performance to save 18% of the money

Technically, this is the $1,299 iMac, not that you’d be able to tell the difference. Andrew Cunningham Apple’s new $1,099 iMac will undoubtedly be a popular computer. People in the know who want the most computing bang for their buck would be smarter to step up to a higher-end model, but there are plenty of people—casual users, schools, businesses—who just want an iMac that’s “fast enough,” not one that’s “as fast as it could possibly be.” For those people, we obtained one of the new entry-level iMacs so we could evaluate its performance. On paper, it sounds like a big step down—you’re going from a quad-core desktop processor and GPU to a dual-core Ultrabook processor and GPU. This new iMac and the base MacBook Air models in fact use the exact same processor, even though historically there’s been a big performance gap between MacBook Airs and iMacs. In practice, the story is more complicated. Let’s talk about what the new low-end iMac changes, and then we’ll spend some time looking at processor performance. Read 29 remaining paragraphs | Comments

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$1,099 iMac review: lose 50% of your performance to save 18% of the money

Goldman Sachs demands Google unsend one of its e-mails

Goldman Sachs has demanded a court order to get Google to unsend an e-mail that the bank sent in error, according to Reuters’ report Wednesday. The e-mail contained “highly confidential” information addressed to the wrong account, a mistake on Goldman Sachs’ part that Google hasn’t yet been tempted to rectify. Goldman Sachs did not specify to Reuters how many clients were affected in the situation, which occurred on June 23. Reportedly, the mistake happened while a Goldman Sachs contractor was testing internal changes made to Goldman Sachs’ system to meet new requirements from the Financial Industry Regulatory Authority. The contractor prepared a report with sensitive client information, including details on brokerage accounts, and e-mailed it to a gmail.com address, rather than the gs.com one she intended. Reuters says that it tried to “retrieve the report” and contact the owner of the Gmail account without success. Google told Goldman Sachs on June 26 that it couldn’t reach through Gmail and delete the e-mail without a court order. Goldman Sahcs filed with the New York Supreme Court, requesting “emergency relief” to both avoid a privacy violation and “avoid the risk of unnecessary reputational damage to Goldman Sachs.” Read on Ars Technica | Comments

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Goldman Sachs demands Google unsend one of its e-mails