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(Harvard University) Researchers at the Harvard School of Engineering and Applied Sciences, in collaboration with researchers from Worcester Polytechnic Institute, have demonstrated, for the first time, that the activation energy of impurities in semiconductor nanowires is affected by the surrounding dielectric and can be modified by the choice of the nanowire embedding medium.
Eurekalert.org news made popular on May 05 2009 by Thoughtbot
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(University of California - Davis) A lattice of vanadium dioxide molecules just six atoms thick in which electrons appear to be guided by conflicting laws of physics depending on their direction of travel has been modeled by a team of physicists at the University of California, Davis. Its unique properties could open up a new world of possibilities in the emerging field of spintronics technology, which takes advantage of the magnetic as well as th... More
Eurekalert.org news made popular on May 05 2009 by Thoughtbot
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The world's first robot with its own Facebook page (and that can use its information in conversations with "friends") has been developed by the Interactive Robots and Media Lab at the United Arab Emirates University. (Source: http://www.technologyreview.com/blog/arxiv/23480/)
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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Super-sensitive microwave detectors built at the National Institute of Standards and Technology (NIST) will look for faint polarization signals from primordial gravitational waves in the cosmic microwave background next year. If found, these waves would be the clearest evidence yet in support of the inflation theory, which suggests that all of the currently observable universe expanded rapidly from a subatomic volume, leaving in its wake the tellt... More
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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Now that neuroscientists have identified the brain's synchronizing mechanism, they've started work on therapies to strengthen attention.Ultimately, it may be possible to improve your attention by using pulses of light to directly synchronize your neurons, a form of direct therapy that could help people with schizophrenia and attention-deficit problems, said Dr. Desimone, the director of the McGovern Institute for Brain Research at MIT. In the near... More
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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Its unique characteristics could make graphene the successor to silicon in a whole new generation of microchips and as a replacement for copper interconnects in chips, and in solar cells and study of fundamental quantum-mechanical effects. Graphene superconducting field effect transistor (Jarillo-Herrero Group) (Source: http://www.nanowerk.com/news/newsid=10425.php)
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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Satellites and spent rocket stages could soon deploy "sails" to quickly guide them back to Earth, avoiding a collision threat to operational missions. (EADS ASTRIUM)Extending a sail on an old spacecraft would increase drag and pull it into the Earth's atmosphere to burn up. (Source: http://news.bbc.co.uk/2/hi/science/nature/8029899.stm)
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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University of California, San Diego researchers have developed the first nanoscale quantum-dot particle, based on mesoporous silica, that glows brightly enough to allow physicians to examine internal organs and lasts long enough to release cancer drugs before breaking down into harmless by-products. (Source: http://www.medgadget.com/archives/2009/05/nsf_safer_nano_cancer_detector.html)
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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University of Glasgow have developed a lab-on-chip device that takes one hour to identify what strain of malaria a patient has, allowing doctors to know if the particular infection can be treated with available medications.Currently it can take up to 48 hours to determine whether a patient has Malaria and even then, doctors are unable to tell whether the parasite is drug-resistant. (Source: http://www.medgadget.com/archives/2009/05/labonchip_det... More
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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the Fermi Gamma-ray Space Telescope has found indirect signs of dark matter: a puzzling excess of energetic positrons. (Source: http://www.sciencenews.org/view/generic/id/43413/title/Another_clue_in_the_case_for_dark_matter)
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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Self-cleaning walls, counter tops, fabrics, even micro-robots that can walk on water could be closer to reality because of research on super-hydrophobic materials by scientists at the University of Nebraska-Lincoln and at Japan's RIKEN institute.Using the supercomputer at RIKEN (the fastest in the world when the research started in 2005), the team designed a computer simulation to perform tens of thousands of experiments that studied how surfaces ... More
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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Scientists in Japan are reporting an advance toward giving artificial cells another hallmark of life: the ability to tap an energy source and use it to undergo sustained movement. They developed self-propelled oil droplets equipped with chemical "engines" (highly reactive catalysts) that provide self-propelled motion in the presence of a chemical "fuel": special substances that react in the presence of the catalyst. When the researchers placed dro... More
KurzweilAI.net news made popular on May 05 2009 by Thoughtbot
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(Penn State) An international science team has determined the structure of chlorophyll molecules in green bacteria, which are super-efficient at harvesting light energy. Because the interactions that lead to the assembly of the chlorophyll molecules are rather simple, so they provide good models for designing artificial systems. The research one day could be used to build artificial photosynthetic systems, such as those that convert solar energy... More
Eurekalert.org news made popular on May 04 2009 by Thoughtbot
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(University of Nebraska-Lincoln) Humans have marveled for millennia at how water beads up and rolls off flowers, caterpillars and some insects, and how insects like water striders are able to walk effortlessly on water. University of Nebraska and RIKEN research into super hydrophobic properties provide hints to researchers to develop these abilities in things like micro-robots, self-cleaning fabrics and other surfaces.
Eurekalert.org news made popular on May 04 2009 by Thoughtbot
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(Massachusetts Institute of Technology) It has long been known that heat is an effective weapon against tumor cells. However, it's difficult to heat patients' tumors without damaging nearby tissues. Now, MIT researchers have developed tiny gold particles that can home in on tumors, and then, by absorbing energy from near-infrared light and emitting it as heat, destroy tumors with minimal side effects.
Eurekalert.org news made popular on May 04 2009 by Thoughtbot
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Some fans believe James Cameron and colleagues may have finally crossed the "uncanny valley" (reality credibility barrier) with their 3-D science-fiction thriller "Avatar" movie, due out in December.Dr. Mario Mendez, a behavioral neurologist at the University of California, Los Angeles, School of Medicine, said it's possible Cameron's work could tap brain systems that are undisturbed by conventional 2-D movies. (Source: http://www.nytimes.com/20... More
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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Brain Mapping Foundation neurosurgeons have found that NASA's electronic nose, developed for air quality monitoring on the Space Shuttle Endeavor, can sense differences in odor from normal versus cancerous cells. Other research uses include cellular trafficking, stem cell migration, and intraoperative imaging. (Source: http://www.sciencedaily.com/releases/2009/04/09http://www.sciencedaily.com/releases/2009/04/090430065456.htm0430065456.htm)
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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University College London resarchers say crystalline carbon containing nitrogen vacancies can store qubits for relatively long periods of time and can house a relatively large number of qubits in a small volume and at room temperature. (Source: http://www.technologyreview.com/blog/arxiv/23479/)
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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The suicide rate is significantly lower in areas in Japan with the highest levels of lithium, scientists at the universities of Oita and Hiroshima have found. (Source: http://news.bbc.co.uk/2/hi/health/8025454.stm)
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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Amazon plans to introduce this week a larger version of its Kindle wireless device tailored for displaying newspapers, magazines and perhaps textbooks, according to Times sources, and other such e-reading devices are due out within the year from Hearst and Plastic Logic.(Plastic Logic)These devices from Amazon and other manufacturers would allow publishers to save millions on the cost of printing and distributing their publications, at precisely a... More
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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A startup called FriendFeed has created what they hope to be the next big form of communication online: flowing, multi-person, real-time conversations. (Source: http://www.nytimes.com/external/readwriteweb/2009/05/01/01readwriteweb-the-man-who-made-gmail-says-real-time-conve-12208.html)
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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"We might be entering an Age of Pandemics...a broad array of dangerous emerging 21st-century diseases, man-made or natural, brand-new or old, newly resistant to our current vaccines and antiviral drugs," says epidemiologist Dr. Larry Brilliant, chairman of the National Biosurveillance Advisory Subcommittee and chief philanthropy evangelist at Google. Astronomer Royal Martin Rees agrees, and bet $1,000 that bioterror or bioerror would unleash a cat... More
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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Mac/PC twitterers: Seesmic Desktop version 0.2 has launched (a preview but solid), finally integrating Facebook and Twitter updates. Seesmic is now the official Twitter/Facebook desktop app at @KurzweilAINews. Awesome. - Ed. (Source: http://blogs.zdnet.com/weblife/?p=569)
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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A team from Austria's Institute for Quantum Optics and Quantum Information (IQOQI) sent entangled photons 144 kilometers and suggests it is now feasible to send this kind of unbreakable encrypted communication through space using satellites. (Source: http://www.physorg.com/news160593524.html)
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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Canadian engineers have sent swimming magnetic MC-1 bacteria (swim 10 times faster than most species) through the bloodstreams of rats to test the idea of loading bacteria with a drug, targeting a particular tissue, and propelling the bacteria an MRI machine. (Source: http://www.newscientist.com/article/dn17071-bacteria-take-fantastic-voyage-through-bloodstream.html)
KurzweilAI.net news made popular on May 04 2009 by Thoughtbot
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