Minggu, 06 Maret 2011

ScienceDaily Technology Headlines

for Sunday, March 6, 2011

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Clean fuel worsens climate impacts for some vehicle engines (March 5, 2011) -- A pioneering program by one of the world's largest cities to switch its vehicle fleet to clean fuel has not significantly improved harmful vehicle emissions in more than 5,000 vehicles -- and worsened some vehicles' climate impacts -- a new study finds. ... > full story

New non-surgical autopsy technique set to revolutionize post-mortem practice (March 4, 2011) -- A new non-surgical post-mortem technique that has the potential to revolutionize the way autopsies are conducted around the world has been pioneered by forensic pathologists and radiologists. ... > full story

Nanotechnology: New 'frozen smoke' may improve robotic surgery, energy storage (March 4, 2011) -- A spongy substance that could be mistaken for packing material has the nanotechnology world buzzing. Scientists have engineered the world's lightest carbon material in such a way that it could be used to detect pollutants and toxic substances, improve robotic surgery techniques and store energy more efficiently. ... > full story

The dusty disc of NGC 247 (March 4, 2011) -- A new image of NGC 247 reveals the fine details of this highly inclined spiral galaxy and its rich backdrop. Astronomers say this highly tilted orientation, when viewed from Earth, explains why the distance to this prominent galaxy was previously overestimated. ... > full story

Scientists create cell assembly line: New technology synthesizes cellular structures from simple starting materials (March 4, 2011) -- Borrowing a page from modern manufacturing, scientists have built a microscopic assembly line that mass produces synthetic cell-like compartments. ... > full story

NASA's Glory satellite fails to reach orbit (March 4, 2011) -- NASA's Glory spacecraft launched aboard a Taurus XL rocket from Vandenberg Air Force Base in California March 4, 2011 at 5:09:45 a.m. EST failed to reach orbit. Telemetry indicated the fairing, the protective shell atop the Taurus XL rocket, did not separate as expected about three minutes after launch. ... > full story

Risks of chemical exposure: Scientists call for 'swifter and sounder' testing of chemicals (March 4, 2011) -- Scientific societies representing 40,000 researchers and clinicians are asking that federal regulators tap a broader range of expertise when evaluating the risks of chemicals to which Americans are being increasingly exposed. ... > full story

Method developed to match police sketch, mug shot: Algorithms and software will match sketches with mugshots in police databases (March 4, 2011) -- Researchers have developed a set of algorithms and created software that will automatically match hand-drawn facial sketches to mug shots that are stored in law enforcement databases. ... > full story

Two languages in peaceful coexistence in one society (March 4, 2011) -- Physicists and mathematicians have shown that two languages can remain stable in one society in the long-term. This research refutes earlier research which sought to show how one of two languages would inevitably die out. ... > full story

New kinds of superconductivity? Physicists demonstrate coveted 'spin-orbit coupling' in atomic gases (March 4, 2011) -- Physicists have for the first time caused a gas of atoms to exhibit an important quantum phenomenon known as spin-orbit coupling. Their technique opens new possibilities for studying and better understanding fundamental physics and has potential applications to quantum computing, next-generation "spintronics" devices and even "atomtronic" devices built from ultracold atoms. ... > full story

Nanofabrication tools may make silicon optical chips more accessible (March 4, 2011) -- In an effort to make it easier to build inexpensive, next-generation silicon-based electro-optical chips, which allow computers to move information with light and electricity, scientists are developing design tools and using commercial nanofabrication tools. ... > full story

Taking the heat: Silver-diamond composite offers unique capabilities for cooling powerful defense microelectronics (March 4, 2011) -- Researchers are developing a solid composite material to help cool small, powerful microelectronics used in defense systems. The material, composed of silver and diamond, promises an exceptional degree of thermal conductivity compared to materials currently used for this application. ... > full story

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