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News articles about "Science"

Broadening the scope for synthesizing optically active compounds

Chiral compounds are increasingly important in chemical manufacturing They are distinguished by a special kind of asymmetry in their molecular structure Yutaka Ukaji and colleagues at Kanazawa University have now developed a method for desymmetrising ... - Read More

The promise of purple for enhanced bioimaging

Newly detected 'energy clustering' structures inside rare earth nanoparticles generate intense violet light which is ideal for studying photon induced transformations Labeling biomolecules with light emitting nanoparticles is a powerful technique for observing cell movement ... - Read More

Making it big: Metamaterial applications a step closer to reality

Metamaterials are engineered to interact with light and sound waves in ways that natural materials cannot They thus have the potential to be used in exciting new applications such as invisibility cloaks high resolution lenses ... - Read More

Catalytic upgrade: Better and cheaper renewable biofuels

New catalysts to remove oxygenated compounds from bio derived oils may lead to better and cheaper renewable biofuels Dwindling crude oil reserves accompanied by rising prices and environmental concerns have led to increased interest in ... - Read More

Toxicologists outline key health and environmental concerns associated with hydraulic fracturing

Date May 9 2014 Source Society of Toxicology Summary Since the rise in the use of hydraulic fracturing of shale to produce natural gas and oil many have debated the merits and detractions of the ... - Read More

Exploring the magnetism of a single atom

Magnetic devices like hard drives magnetic random access memories MRAMs molecular magnets and quantum computers depend on the manipulation of magnetic properties In an atom magnetism arises from the spin and orbital momentum of its ... - Read More

Detecting trace amounts of explosives with light

University of Adelaide research may help in the fight against terrorism with the creation of a sensor that can detect tiny quantities of explosives with the use of light and special glass fibres Published in ... - Read More

Nanoscope to probe chemistry on the molecular scale

For years scientists have had an itch they couldn't scratch Even with the best microscopes and spectrometers it's been difficult to study and identify molecules at the so called mesoscale a region of matter that ... - Read More

Regenerating plastic grows back after damage

Looking at a smooth sheet of plastic in one University of Illinois laboratory no one would guess that an impact had recently blasted a hole through it Illinois researchers have developed materials that not only ... - Read More

Fueling aviation with hardwoods

A key challenge in the biofuels landscape is to get more advanced biofuels fuels other than corn ethanol and vegetable oil based biodiesel into the transportation pool Utilization of advanced biofuels is stipulated by the ... - Read More

Discovery offers new possibilities for clean energy research: New high-efficiency thermoelectric material

University of Houston physicists have discovered a new thermoelectric material offering high performance at temperatures ranging from room temperature up to 300 degrees Celsius or about 573 degrees Fahrenheit This new material is better than ... - Read More

Greenland melting due equally to global warming, natural variations

The rapid melting of Greenland glaciers is captured in the documentary Chasing Ice The retreat of the ice edge from one year to the next sends more water into the sea Now University of Washington ... - Read More

Revealing the healing of 'dino-sores': Examining broken bones in 150-million-year-old predatory dinosaur

Scientists have used state of the art imaging techniques to examine the cracks fractures and breaks in the bones of a 150 million year old predatory dinosaur The University of Manchester researchers say their groundbreaking ... - Read More

Sprites form at plasma irregularities in the lower ionosphere

Atmospheric sprites have been known for nearly a century but their origins were a mystery Now a team of researchers has evidence that sprites form at plasma irregularities and may be useful in remote sensing ... - Read More

Study validates air sampling techniques to fight bioterrorism

Air and surface sampling techniques currently used by the US government are effective in fighting bioterrorism and potentially saving lives a Saint Louis University researcher finds Results published in Biosecurity and Bioterrorism by Alexander Garza ... - Read More

Predator-prey made simple: Simplifying studies of predator-prey interactions and other 'bistable' systems

A team of U K researchers has developed a way to dramatically reduce the complexity of modeling bistable systems which involve the interaction of two evolving species where one changes faster than the other slow ... - Read More

Graphene for real-world devices: New research in phonon scattering sheds more light on graphene as a replacement for silicon

Graphene a one atom thick form of the carbon material graphite has been hailed as a wonder material strong light nearly transparent and an excellent conductor of electricity and heat But a number of practical ... - Read More

Terahertz imaging on the cheap: Fewer sensors required for high-resolution imaging systems

Terahertz imaging which is already familiar from airport security checkpoints has a number of other promising applications from explosives detection to collision avoidance in cars Like sonar or radar terahertz imaging produces an image by ... - Read More

Genetic approach helps design broadband metamaterial

A specially formed material that can provide custom broadband absorption in the infrared can be identified and manufactured using genetic algorithms according to Penn State engineers who say these metamaterials can shield objects from view ... - Read More

Clues for superconductivity in an iron-based material

For the first time scientists have a clearer understanding of how to control the appearance of a superconducting phase in a material adding crucial fundamental knowledge and perhaps setting the stage for advances in the ... - Read More
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