By definition, the Internet of Things (IoT) should connect with anything -- even writhing, kinda gross, but often delicious eels. SK Telecom's latest project is aimed at showcasing its IoT skills with a pilot connected eel farm that uses a network of sensors to monitor thousands of eels, mostly autonomously. Sensors dotted across multiple 20-foot-wide tanks check on water temperature, pH and oxygen levels, Data is then collated and analyzed by the Korean carrier's cloud system, and bounced to a simplified smartphone app - all in pretty much real time. "Why?" is a good question, but there's a good answer too: apparently minute changes in those factors above can be fatal to young eels. Before, this meant regular tank checks by workers every two-to-six hours. Now, it's mostly automated and sudden changes will even ping a warning to eel farmers' smartphones when needed. SK Telecom is planning to roll out the system commercially next year -- who knew eel farming was big business?

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NASA's ironman Mars rover Opportunity, like your five-year-old PC, is about to get reformatted. Problems have been causing the aging vehicle to reboot and scientists suspect that worn-out cells in the flash memory are to blame. Opportunity's been running for 10 years despite an expected mission life of three months, so even having such problems is a bonus -- and its now-defunct twin, Spirit, had a similar procedure in 2009. Scientists will back up the rover's memory, then send a format command to prevent the bad cells from being accessed. They'll use a slower-than-normal data rate to reinstall the software, since Mars is currently 212 million miles away and the signal will take 11.2 minutes just to reach it. NASA said that Martian winds have kept the rover's solar panels surprisingly clean since it hit the ground rolling in 2004 (see the video below). As the picture above from August 10th shows, it's still doing science and exploration like a boss.

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If WiFi can track a heartbeat through walls, why can't I get internet in my corner bathroom? Jason Cole was trying to figure that out too, but unlike me, he's a PhD student in physics. So he mapped his own apartment and assigned refraction values to the walls (shown above), then applied so-called Hemholtz equations to model the electromagnetic waves. As detailed in his (math-drenched) blog, the best spot for his router was where you'd expect: directly in the center. Since that was out of the question, he was still able to get "tendrils" of internet by placing it in the corner of the apartment. His experiment implies that even in a distant room you could eke some connectivity by judiciously shifting around your laptop. Some commenters want him to turn his equations into a WiFi mapping web service -- unfortunately, he thinks the idea is "unfeasible" due to the processing time and assumptions made.

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We've heard music made from bats' echolocation signals and the sounds of glaciers before, but what about tunes composed with something a little more, say, industrial? And no, we aren't talking about Nine Inch Nails' classic The Downward Spiral. Think more along the lines of a song comprised of sounds from pneumatic equipment and welders and you're most of the way there. As spotted by Laughing Squid, musician Matthew Dear partnered with GE and recorded the acoustics used to diagnose the performance of turbines and jet engines, among other things, and the result is a dance-ready electronic track dubbed "Drop Science." Sure, artists including Amon Tobin have done similar sorts of things before, but not at such a grand scale. Curious to hear what it sounds like when thousands of machines are humming at peak performance? Check out the video and audio embedded below.

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Pizza is essentially the perfect food. Well, so long as you aren't lactose intolerant or have problems with gluten. We realize that those are pretty big caveats, but stay with us for a second -- it'll be worth it: NPR spotted a study of why different cheeses diverge in looks and taste when baked. Seriously. In a paper called "Quantification of Pizza Baking Properties of Different Cheeses, and Their Correlation with Cheese Functionality," researchers found that, among other things, the reason why mozzarella is so unique of a topping has to do with the way it's prepared. The cheese bubbles and browns because of its inherent elasticity due to stretching. In contrast, cheddar isn't as ideal because it isn't very elastic, thus it doesn't bubble as well. The same apparently goes for Edam and Gruyere, too.

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As the saying goes, a picture is worth a thousand words. In this case, though, let's say it's worth millions and millions of internet connections. Thanks to John Matherly, founder of Shodan, a search engine which focuses on helping companies locate internet-connected devices, we are getting a pretty detailed look at how the web looks on a map. While Matherly's tweet says the picture shows where "all devices on the internet" were located after he pinged them, that might be a bit of a stretch. Still, the image manages to give us a really good idea of the internet traffic across different parts of the world. And we reckon it's beautiful.

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We've all got memories we wish we could view less negatively. Some are trivial, like that drunken display at the office party; some are serious and create genuine psychological challenges. So far, researchers have figured out how to create false ones, or remove them entirely. Now -- in mice at least -- scientists have converted a bad memory into a good one. The researches established good and bad memories in the mice (with food rewards, or light shocks) and recorded the parts of the brain that dealt with the location (hippocampus) of those events, and the emotional recording part (amygdala). To switch the memories, when the mice returned to the location where they received the shock or food, they triggered the location memory of the other event. The mice then displayed behaviours consistent with the opposite memory (quickly moving from, or remaining calm in the current location). While the work gives us a new insight into the mechanics of memory, the process is too complex and invasive for there to be any hope of it being used for treatment of obvious conditions like PTSD. It could however lead to further validation of other therapies (like CBT) that work on similar principles.

[Image credit: rduffy/Flickr]

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Schrodinger's cat, the good ole thought experiment that's been twisting (non-Quantum physicist) brains for decades. Scientists might have just caught it. Or not. Typical. What you see above is a combined image where a stencil was bombarded with cosmic rays photons, but the photons that generated the image actually never interacted with the stencil -- stay with us. It was separate photons (which shared the same quantum state as the ones that hit the camera) which arrived at the stencil. The science goes that when two separate particles are entangled, their physical properties appear to correlate and they share a single quantum state.

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Surgeons and medical assistant wearing mask and uniform operating patient.?

For all the advancements we've made with technology and medicine, a cure for cancer still eludes us. But maybe that's because we haven't enlisted nanoparticles to attack tumors just yet. New research from the University of California's Davis Cancer Center, spotted by PhysOrg, suggest that could be a reality sometime soon. By attaching a tumor-recognition module to a nanorobot, doctors would be able to both diagnose a cancerous growth and inject drugs directly into the carcinoma. This would effectively target only the malignant cells and leave the surrounding areas unharmed -- taking things a few steps further than, say, the nanodiamonds we've heard of. It's a stark contrast to how chemotherapy treatment typically works, too, which is a blanket attack on all of a certain type of cell that often inflicts as much collateral damage as it does good. Who knows, a world where cancer patients don't have their hair or bone marrow destroyed during treatment might not be too far off after all.

[Image credit: Shutterstock / StockLite]

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Journalist

Over the past few years, social networks have become an extremely powerful tool for every journalist, whether it's here in the United States or elsewhere across the world. But social networks like Twitter and Facebook aren't just a venue for sharing links or live-tweeting breaking news events, as great as that is -- it's also about the engagement one can have with readers and other fellow journalist. Knowing this, The Times of India has recently implemented a new policy that requires its journalism employees to hand over Twitter and Facebook passwords, as it looks to gain control of what they can and cannot post on their social accounts.

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1968. It was the year of the Tet Offensive; of Martin Luther King Jr.'s and Robert Kennedy's assassinations; of the Democratic National Convention riots. It was also the first time humans had photographed the Earth from deep space. It was a year of great innovation and devastation. American values were in upheaval and the sexual revolution was well underway, calling into question outmoded sexual stereotypes.

In the midst of all of this, an unlikely star was born.

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The Engadget Live tour continued last week, with the latest stop taking place in Boston. Just like at our previous two events, in Austin and Seattle, Beantown didn't disappoint and the reader turnout was incredible. Attendees were treated to a night filled with a myriad of activities, giveaways and social mingling. Want to know what you missed? Check out the picture gallery bellow, where you'll also get a glimpse of what the sponsors brought over to the Royale venue to share with the Engadget aficionados in attendance.

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Orbotix, now simply known as Sphero, had the world in awe when it introduced its smartphone-controlled, ball-shaped toy back in 2010. Back then, we were still getting used to the concept of "connected" things. Today, nearly four years after making its debut at the Consumer Electronics Show, Sphero is one of the most popular peripherals around, on iOS and Android alike. But while the robotic ball may have started off as a knickknack for kids, or adults, to play with, it has recently started to break into another, more serious field: education. In an effort to boost that, Sphero launched an initiative called SPRK about five months ago, with the goal of letting schools adopt its product into education curriculum. Simply put, kids could not only learn about programming, but also have fun doing so.

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While we've seen some pretty big advancements (and even bigger installations) in solar-energy collection lately, unless you're looking for privacy, one of the biggest light-catchers -- windows -- have to go largely under-utilized. Researchers at Michigan State University might have a solution for that, though. The Spartan scientists have developed a transparent, colorless method for collecting the sun's rays and converting them to electricity, claiming that the tech's applications could be used pretty much wherever clear materials are needed. The system relies on a coating of organic molecules that soak up ultraviolet and near-infrared rays. From there, the rays are pushed to photovoltaic solar cells at the edge of the surface where they're converted into electricity.

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As surely as the seasons turn and the sun races across the sky, the Large Scale Visual Recognition Competition (or ILSVRC2014, for those in the know) came to a close this week. That might not mean much to you, but it does mean some potentially big things for those trying to teach computers to "see". You see, the competition -- which has been running annually since 2010 -- fields teams from Oxford, the National University of Singapore, the Chinese University of Hong Kong and Google who cook up awfully smart software meant to coax high-end machines into recognizing what's happening in pictures as well as we can.

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