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(Northwestern University) Northwestern University researchers have designed a high-performing photoconducting material that uses zinc oxide -- an environmentally friendly inorganic compound found in baby powder and suntan lotion -- instead of lead sulfide. The best performing photoconductor is based on lead sulfide nanoparticles. The new material converts light into electricity but, unlike conventional materials, also features a novel combination ... More
Eurekalert.org news made popular on March 18 2009 by Thoughtbot
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Researchers at Rensselaer Polytechnic Institute have developed a new technique for growing slimmer copper nanorods, a key step for advancing integrated 3-D chip technology.Slimmer nanorods, by virtue of their smaller diameters, require less heat to anneal. These lower temperatures won't damage or degrade the delicate semiconductors, leading to a less expensive, more reliable device. (Source: http://www.physorg.com/news156522913.html)
KurzweilAI.net news made popular on March 18 2009 by Thoughtbot
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Trapping nanoparticles in cages made of DNA could finally allow them to self-assemble into transistors, metamaterials and even tiny robots by preventing the nanoparticles from clumping together at random, one of the biggest problems with nanoscale self-assembly, University of Michigan scientists suggest.The nanopoarticle is trapped inside a tetrahedral cage that has a single strand of DNA sticking out at each vertex. This symmetrical arrangement o... More
KurzweilAI.net news made popular on March 18 2009 by Thoughtbot
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A University of Michigan electrical engineer has built the first array of nanoscale memristors, allowing for it to store up to 1 kilobit of information.Memisters could open the door to universal memory. Memristor memory is non-volatile, the density of a memristor-based memory chip could be at least 10 times higher than current transistor-based chips, and you could save data to a memristor memory 1000 times faster than saving to today's flash memor... More
KurzweilAI.net news made popular on March 18 2009 by Thoughtbot
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(National Oceanography Centre, Southampton (UK)) Autosub, a robot submarine built and developed by the UK's National Oceanography Center, Southampton, has successfully completed a high-risk campaign of six missions traveling under an Antarctic glacier. Autosub has been exploring Pine Island Glacier, a floating extension of the West Antarctic ice sheet, using sonar scanners to map the seabed and the underside of the ice as it juts into the sea. Sci... More
Eurekalert.org news made popular on March 17 2009 by Thoughtbot
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(Rensselaer Polytechnic Institute) Researchers at Rensselaer Polytechnic Institute have developed a new technique for growing slimmer copper nanorods, a key step for advancing integrated 3-D chip technology. These thinner copper nanorods fuse together, or anneal, at about 300 degrees Celsius. This relatively low annealing temperature could make the nanorods ideal for use in heat-sensitive nanoelectronics, particularly for "gluing" together the sta... More
Eurekalert.org news made popular on March 17 2009 by Thoughtbot
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The Seattle Post-Intelligencer will produce its last printed edition on Tuesday and become an Internet-only news source, reducing news staff from 165 to about 20. (Source: http://www.nytimes.com/2009/03/17/business/media/17paper.html?_r=1&ref=technology)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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George Church and his colleagues have developed a new technology that can make 50 changes to a bacterial genome nearly simultaneously--an advance that could be used to greatly speed the creation of bacteria that are better at producing drugs, nutrients, or biofuels.(George Church) (Source: http://www.technologyreview.com/biomedicine/22299/)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Hadoop, a free software program, is making it easier and cheaper than ever Google, Yahoo, and others to analyze and access the unprecedented volumes of data churned out by the Internet. By mapping information spread across thousands of cheap computers and by creating an easier means for writing analytical queries, engineers no longer have to solve a grand computer science challenge every time they want to dig into data. Instead, they simply ask a ... More
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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A new Rice University-developed technicque for sampling signals produces 5-megapixel 2D images compressed into 50KB JPEG images using a single pixel -- the image is reflected off a randomized array of micromirrors before being focused onto the single pixel. (Source: http://www.technologyreview.com/blog/arxiv/23144/)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Image-recognition software and an infrared camera developed at Brown University let a robot follow people in different environments. (Source: http://www.technologyreview.com/blog/editors/23132/)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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A new form of crystalline carbon made entirely of Mobius-molecules of graphene is suggested by calculations by Universidade Estadual de Campinas scientists.Strips with an odd number of half twists (and one with six half turns) ought to have a magnetic dipole moment, making the molecules crystalise. (Source: http://www.technologyreview.com/blog/arxiv/23139/)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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IBM's Indian research arm has developed a new protocol, Hyperspeech Transfer Protocol (HSTP), that will allow people to create voice websites. (Source: http://economictimes.indiatimes.com/Infotech/Internet-/IBM-develops-a-technology-that-will-allow-users-to-talk-to-web/rssarticleshow/4267597.cms)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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The CBS TV show Numb3rs' "First Law" episode featured a Ramona-like AI supercomputer given the Turing test. Stephen Wolfram is science advisor for the series. (Source: )
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Lawrence Livermore National Laboratory scientists have converted terahertz- frequency sounds into light, using piezoelectric materials.Applications include characterizing semiconductor devices more accurately, explosives detection, and medical uses such as detection of skin cancer. (Source: http://www.physorg.com/news156432003.html)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Recent research by scientists in Italy and France shows that that single molecules have the ability to store information via their magnetic state --a first step toward a new generation of ultra-compact data storage technologies based on individual molecules.Fe4 molecule on gold surface (A. Cornia and M. Mannini) (Source: http://www.physorg.com/news155820171.html)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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European researchers are building a neuromorphic computer that will work similar to the brain, at smaller scale.The first effort is a network of 300 artificial neurons and half a million "synapses" on a single chip. (Source: http://www.physorg.com/news156440026.html)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Case Western Reserve researchers have embedded light-activated nanoparticles directly into non-human brain tissue and were able to activate neurons. Objective: noninvasively repair injury or restore function to severed or damaged nerves. Next step: activate dispersed groups of neurons at the same time to generate the complex activity patterns that normally occur in the brain. (Source: http://www.physorg.com/news156443682.html)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Purdue University scientists have developed nanoscale multifunctional probes with Herceptin antibodies (for treating breast cancer) on board to search out and attach to cancer cells.The probes use gold nanorods (for precision tracing via microscopy) and magnetic particles for MRI tracking in deep tissue. (Source: http://www.physorg.com/news156437147.html)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Japanese researchers have unveiled a female humanoid walking robot named HRP-4C, with 42 motors in its body programmed to mimic the movements of fashion models. (Source: http://news.bbc.co.uk/2/hi/science/nature/7946780.stm)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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DARPA's National Cyber Range will mimic the hardware that might be used to inflict cyber-attacks and the likely behaviors of the people behind them. (Source: http://www.newscientist.com/article/mg20126994.600-pentagon-readies-its-cyberwar-defences.html?DCMP=OTC-rss&nsref=online-news)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Powerful new software tools such as Photosynth and Gigapan are making megapixel photos into seamless 3D environments and creating new movie post-production techniques.(Microsoft) (Source: http://www.newscientist.com/article/dn16770-innovation-what-next-after-the-megapixel-wars.html?DCMP=OTC-rss&nsref=online-news)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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DNA origami (a single, long artificial DNA molecule with many smaller strands that can create a 2D "canvas") can also be made to build itself into larger, more complex structures that could provide new ways of manufacturing on a small scale (for nanoelectronics or nanocomputing), Cal Tech researchers have found. (Source: http://www.newscientist.com/article/dn16776-dna-origami-comes-to-life.html?DCMP=OTC-rss&nsref=online-news)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Consciousness arises from the coordinated activity of the entire brain, research headed by INSERM in France has found, taking us closer to finding an objective "consciousness signature" that could be used to probe for brain damage without inserting electrodes. (Source: http://www.newscientist.com/article/dn16775-consciousness-signature-discovered-spanning-the-brain.html?DCMP=OTC-rss&nsref=online-news)
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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Random networks, such as the Internet and global flight connections, have the potential for extreme behavior never seen before, suddenly gaining a central backbone of connections that make it simple to travel between any two points, researchers at the University of California at Santa Cruz and elsewhere have found.The addition of just one link triggers an instantaneous phase change and the network becomes fully connected. (Source: http://www.ne... More
KurzweilAI.net news made popular on March 17 2009 by Thoughtbot
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