ScienceDaily Technology Headlines
for Saturday, August 13, 2011
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NASA's asteroid photographer beams back science data (August 12, 2011) -- The Dawn spacecraft has completed a graceful spiral into the first of four planned science orbits during the spacecraft's yearlong visit to Vesta. The spacecraft started taking detailed observations on Aug. 11 at 9:13 a.m. PDT (12:13 a.m. EDT), which marks the official start of the first science-collecting orbit phase at Vesta, also known as the survey orbit. ... > full story
New anti-censorship scheme could make it impossible to block individual Web sites (August 12, 2011) -- A radical new approach to thwarting Internet censorship would essentially turn the whole Web into a proxy server, making it virtually impossible for a censoring government to block individual Web sites. ... > full story
Darkest known exoplanet: Alien world is blacker than coal (August 12, 2011) -- Astronomers have discovered the darkest known exoplanet -- a distant, Jupiter-sized gas giant known as TrES-2b. Their measurements show that TrES-2b reflects less than one percent of the sunlight falling on it, making it blacker than coal or any planet or moon in our solar system. ... > full story
Bilayer graphene: Another step towards graphene electronics (August 12, 2011) -- The Nobel Prize winning scientists Professor Andre Geim and Professor Kostya Novoselov have taken a huge step forward in studying the wonder material graphene and revealing its exciting electronic properties for future electronic applications. ... > full story
Engineers redefine how the brain plans movement (August 12, 2011) -- New neurological measurement technologies and algorithms are allowing researchers a more complete look into how the brain functions. Engineers are using these tools to better understand how the brain prepares to initiate a body motion and why sometimes we react more quickly than others. ... > full story
Tracking illegal online pharmacies: Evidence of web manipulation (August 12, 2011) -- A research team found rogue websites were rediercting consumers to illicit pharmacies. ... > full story
Smart skin: Electronics that stick and stretch like a temporary tattoo (August 12, 2011) -- Engineers have developed a device platform that combines electronic components for sensing, medical diagnostics, communications and human-machine interfaces, all on an ultrathin skin-like patch that mounts directly onto the skin with the ease, flexibility and comfort of a temporary tattoo. ... > full story
Researchers fight cholera with computer forecasting (August 12, 2011) -- Just as the rainy season is driving a new surge of cholera cases in Haiti, a new computational model could forecast where outbreaks are likely to occur. Researchers hope to target anti-cholera efforts where they are most needed in the earthquake-ravaged country. ... > full story
Steering a beam of 'virtual particles' to manipulate ultra-small-scale particles in real time (August 11, 2011) -- The steady improvement in speed and power of modern electronics may soon hit the brakes unless new ways are found to pack more structures into microscopic spaces. To do this, researchers are looking into precisely steering, in real time, a curve-shaped beam of weird "virtual particles" known as surface plasmons. This technique opens the possibility of even smaller, faster communications systems and optoelectronic devices. ... > full story
Software predicted risk in California West Nile virus epidemic (August 11, 2011) -- A computer model of the spread of West Nile virus was able to predict areas where human cases would be concentrated, especially around Sacramento in 2005. The success of the model, say researchers, depended on its focus on biological factors and on a high volume of reports from members of the public. ... > full story
Shooting light a curve: New tool may yield smaller, faster optoelectronics (August 11, 2011) -- Paving the way for fast-as-light, ultra-compact communication systems and optoelectronic devices, scientists have developed a technique for steering the curved path of plasmonic Airy beams -- combinations of laser light and quasi-particles called surface plasmon polaritons. ... > full story
Wikipedia gender biases revealed (August 11, 2011) -- Computer science researchers have confirmed a substantial gender gap among editors of Wikipedia and a corresponding gender-oriented disparity in the content. ... > full story
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