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Dr Dobbs - Memory Management as a Separate Thread - 0 views

  • Researchers at North Carolina State University have developed a new approach to software development that will allow common computer programs to run up to 20 percent faster and possibly incorporate new security measures. The researchers have found a way to run different parts of some hard-to-parallelize programs — such as word processors and web browsers — at the same time, which makes the programs operate more efficiently.
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NASA - Sunset Planet Alert - NASA Science - 0 views

  • This week, Mercury is emerging from the glare of the sun and making a beeline for Venus. By week's end, the two planets will be just 3o apart, an eye-catching pair in the deep-blue twilight of sunset. The best nights to look are April 3rd and 4th. Go outside at the end of the day and face west. Venus pops out of the twilight first, so bright it actually shines through thin clouds. Mercury follows, just below and to the right: April 3April 4 Venus is an old friend to most sky watchers; Mercury, less so. The first planet from the sun spends most of its time wrapped in painful sunlight. Seeing it so easily, and in the beautiful company of Venus no less, is a rare treat indeed. The next apparition this good won't come until Nov. 2011. By that time, however, we'll have much better view of Mercury all the time. NASA's MESSENGER probe is en route to Mercury now, and in March of 2011 it will become the first spacecraft to orbit the planet. During a year-long science mission, MESSENGER will beam back a stream of high-resolution pictures and data obtained using seven instruments designed to operate in the extreme environment near the Sun. This kind of coverage of planet #1 is unprecedented.
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NASA - An Avalanche of Dark Asteroids - NASA Science - 0 views

  • Imagine you're a Brontosaurus1 with your face in a prehistoric tree top, munching on fresh leaves. Your relatives have ruled planet Earth for more than 150 million years. Huge and strong, you feel invincible. You're not. Fast forward about 65 million years. A creature much smaller and weaker dominates the Earth now, with brains instead of brawn. Its brain is a lot larger relative to its body size – plenty big enough to conceive a way to scan the cosmos for objects like the colossal asteroid that wrought the end of your kind. Right: An artist's concept of NASA's Wide-field Infrared Survey Explorer (WISE). [more] The creature designed and built WISE, NASA's Wide-field Infrared Survey Explorer, to search for "dark" objects in space like brown dwarf stars, vast dust clouds, and Earth-approaching asteroids. WISE finds them by sensing their heat in the form of infrared light most other telescopes can't pick up.
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NASA - Equinox Sky Show - NASA Science - 0 views

  • March 19, 2010: When the sun sets on Saturday, March 20th, a special kind of night will fall across the Earth. It's an equal night. Or as an astronomer would say, "it's an equinox." It's the date when the sun crosses the celestial equator heading north. Spring begins in one hemisphere, autumn in the other. The day and night are of approximately equal length. To celebrate the occasion, Nature is providing a sky show. It begins as soon as the sky grows dark. The Moon materializes first, a fat crescent hanging about a third of the way up the western sky. Wait until the twilight blue fades completely black and you will see that the Moon is not alone. The Pleiades are there as well. The Moon and the Pleiades are having a close encounter of rare beauty. There's so little space between the two, the edge of the Moon will actually cover some of cluster's lesser stars. According to David Dunham of the International Occultation Timing Association, this is the best Moon-Pleiades meeting over the United States until the year 2023. Right: A similar Moon-Pleiades conjunction photographed by Marek Nikodem of Szubin, Poland, in July 2009.
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Recipe for Efficiency: Principles of Power-Aware Computing | April 2010 | Communication... - 0 views

  • Power and energy are key design considerations across a spectrum of computing solutions, from supercomputers and data centers to handheld phones and other mobile computers. A large body of work focuses on managing power and improving energy efficiency. While prior work is easily summarized in two words—"Avoid waste!"—the challenge is figuring out where and why waste happens and determining how to avoid it. In this article, I discuss how, at a general level, many inefficiencies, or waste, stem from the inherent way system architects address the complex trade-offs in the system-design process. I discuss common design practices that lead to power inefficiencies in typical systems and provide an intuitive categorization of high-level approaches to addressing them. The goal is to provide practitioners—whether in systems, packaging, algorithms, user interfaces, or databases—a set of tools, or "recipes," to systematically reason about and optimize power in their respective domains.
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ALSOK Security Robot Patrols Gallery - 0 views

  • ALSOK, a security firm that specializes in robot guards, has sent their drones into shopping malls, office buildings, and museums.  This video shows one of them patrolling an art gallery.  Not surprisingly, even in Japan, the sight of a robot patrolling its beat is more than enough to distract some of the visitors from the actual works of art!
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Gostai - robotics for everyone - 0 views

  • We are entering the robotic age. All over the world, we see research projects and companies working on realistic, market driven robots, with impressive realizations ranging from intelligent vacuum cleaners to humanoid robots.   This is a very exciting time and some people see in the current situation many common points with the early days of the computer industry. However, like PCs in the early 80's, today's robots are still incompatible in term of software. There is yet no standard way to reuse one component from one robot to the other, which is needed to have a real software industry bootstraping. And most attempts have been failing to provide tools genuinely adapted to the complex need of robot programming.   Here at Gostai, we believe that the industry needs a powerful robotics software platform, ready to face the challenges of Artificial Intelligence and autonomous robots programming.
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    This can be interesting...
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robots.net - Robots: URBI Software Platform - 0 views

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IEEE Spectrum: A Robot in the Kitchen - 0 views

  • Rosie, the robot who kept house for the title family in "The Jetsons," a 1960s animated television show, has at last come alive—sort of. Before you'll see a robot slicing cucumbers in your kitchen, researchers will need to make these mechanical servants smarter. Here's how three teams are tackling this challenge.
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EETimes.com - Plastic Logic, Merck to deploy novel organics - 0 views

  • Chemicals giant Merck KGaA (Darmstadt, Germany) and Plastic Logic GmbH (Dresden, Germany), the developer of the Que e-reader, have announced plans to develop, test and commercialize novel lisicon-type organic semiconductors from Merck in Plastic Logic's displays. The introduction and production of the materials is planned for 2011. Having shown the Que e-reader at the Consumer Electronics Show in January Plastic Logic was originally expected to ship the e-reader in April 2010 but that launch has now slipped to June, it is reported. Merck recently invested in the expansion of its Chilworth Technical Center chemicals research site in Southampton, England, by adding laboratories to intensify and accelerate display material developments based on plastic electronics.
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    Ok cool. I mean really really cool.
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Ubiktune :: Online chiptune music net-label - 0 views

shared by Aasemoon =) on 16 Apr 10 - Cached
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Embedded.com - The multicore SoC - will 2010 be the turning point? - 0 views

  • Predicting trends is difficult even by the most connected industry experts, but one trend that's easy to spot is the widespread acceptance of multicore SoC. This is happening for a number of reasons. First, it's been years since the workstation first adopted the multicore processor architecture to solve such issues as increasing performance and power concerns. While the adoption rate in workstations is now saturated and is fully supported by General Purpose OSs (GPOS), the embedded world is just now looking at ways to adopt multicore architecture. Second, several SoC vendors have been providing multicore solutions including Cavium, Freescale, MIPS, and ARM; but up until now, these solutions have been limited to networking and used for performance enhancements rather than for low power. The rest of the embedded industry has had limited hardware options available as low-power design is a driving factor. While the ARM 11 MPCore was ahead of its time, the Cortex-A9 MPCore design is ready for primetime and is gaining acceptance in the embedded marketplace. As a result, SoC vendors have adopted the Cortex-A9 MPCore hardware as a basis for their next generation designs. Over a year ago, Texas Instruments pre-announced their next-generation OMAP designs in the OMAP 4 with a dual-core Cortex-A9 MPCore, scheduled for production in the second-half of 2010. ST Microsystems has pre-announced their next generation consumer devices which will be based on the Cortex A9 MPCore.
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IEEE Spectrum: Torturing the Secret out of a Secure Chip - 0 views

  • A new chink has been found in the cryptographic armor that protects bank transactions, credit-card payments, and other secure Internet traffic. And although programmers have devised a patch for it, clever hackers might still be able to break through. The hack, presented in March at a computer security conference in Dresden, Germany, involves lowering the input voltage on a computer’s cryptography chip set and collecting the errors that leak out when the power-starved chips try and (sometimes) fail to encode messages. Crooks would then use those errors to reconstruct the secret key on which the encryption is based. More important, say the hack’s creators, the same attack could also be performed from afar on stressed systems, such as computer motherboards that run too hot or Web servers that run too fast.
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Roman-Era Mummy Uncovered in Egypt Oasis : Discovery News - 0 views

  • A bejeweled mummy dressed in Roman robes has emerged from the sands of Egypt's Bahariya Oasis, the Supreme Council of Antiquities said Monday. Entombed in a decorated gypsum sarcophagus, the 38-inch tall mummy  belonged to a woman or girl who died in the Greco-Roman period about 2,300 years ago. Unearthed in a rock-hewn tomb at a modern construction site near the town of Bawiti, in Bahariya Oasis, some 185 miles southwest of Cairo, the mummy points to the existence of a large Greco-Roman necropolis nearby, Mahmoud Affifi, director of Cairo and Giza antiquities, said in a statement.
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Coding 4 DNA | LarryLarsen | Channel 9 - 0 views

  • Andrew Phillips holds the title of Scientist with Microsoft Research Cambridge, and he's working on a method of programming that compiles into DNA. Part of this involves a visual programming language called Stochastic Pi Machine, or SPiM. This system models biological processes to help give researchers feedback on how organisms will react to modifications. The hope is that this can be used to help scientists program for large biological systems using modular components compiled to DNA. Yes, I’m in way over my head here, but I do my best to ask Andrew about the role this will play in medical treatment going forward, what it means to DNA computing, and the ability of back-engineering the genetic code we don’t use now.
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Erik Porter and Nathan Heskew: Introducing Orchard | Charles | Channel 9 - 0 views

  • Orchard will create shared components for building ASP.NET applications and extensions, and specific applications that leverage these components to meet the needs of end-users, scripters, and developers. Additionally, we seek to create partnerships with existing application authors to help them achieve their goals. Orchard is delivered as part of the ASP.NET Open Source Gallery under the CodePlex Foundation. It is licensed under a New BSD license, which is approved by the OSI. The intended output of the Orchard project is three-fold: Individual .NET-based applications that appeal to end-users , scripters, and developers A set of re-usable components that makes it easy to build such applications A vibrant community to help define these applications and extensions In the near term, the Orchard project is focused on delivering a .NET-based CMS application that will allow users to rapidly create content-driven Websites, and an extensibility framework that will allow developers and customizers to provide additional functionality through extensions and themes. Erik Porter and Nathan Heskew are two of the developers of Orchard. Do they look familiar? Sure they do. They used to be devs on the C9 team.
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concept robots: Concept robots by Robert Simons - 0 views

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    Ooo how lovely! ;)
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Henry Sowizral on Refacing C++ with WPF in Expression Design | Pete Brown | Channel 9 - 0 views

  • While on campus for the MVP Summit in February, I had a chance to visit Henry Sowizral over in building 41. Henry Sowizral is a Principal Architect in Microsoft Expression, and he and his team did something really cool: they converted an existing C/C++/MFC application to have a WPF front-end, while still leveraging all that existing code. If you have legacy code and are considering porting the UI to .NET, pick up some pointers from Henry. Once you've finished, check out Henry's presentation deck on how the team converted the Expression Design UI to WPF. See more WPF at Pete's site and blog http://10rem.net Follow Pete on twitter at @pete_brown
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IEEE Spectrum: Build a Custom-Printed Circuit Board - 0 views

  • Breadboarding a new circuit is a key skill and an important step in many projects—especially early on, when you need to move wires around and substitute components. But that very flexibility also makes it easy to knock wires out. Eventually, if your project is a keeper, you’re going to want something with a bit more permanence. Printed circuit boards (PCBs) solve all those shortcomings. But most people don’t even consider translating a one-off project into a PCB design. For one thing, PCB fabrication has traditionally been expensive, viable only in commercial quantities. (One alternative is to do it yourself with etches and silk screens, a messy and time-consuming process.) Also, there are technical constraints involved with PCB designs that are daunting to the casual hobbyist. But it turns out that nowadays you can produce a professional PCB very inexpensively.
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    This comes handy....
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