News tagged with metal fragments

Mock atoms prove attractive: Researchers added first pseudo atoms to electronegativity scale

(PhysOrg.com) -- When studying an atom's ability to attract nearby electrons, scientists rely on electronegativity scales, which describe each atom's ability to pull in these negatively charged particles. ...

Chemistry / Materials Science

created Jan 06, 2012 | popularity 4 / 5 (9) | comments 1 | with audio podcast




Search results for metal fragments


Open, Ring! Highly electrophilic cationic complexes as catalysts in immortal ring-opening polymerization of lactide

(Phys.org) -- Certain complexes of large alkaline earth elements such as calcium, strontium, and barium are efficient catalysts for various organic reactions. However, the stability of these heteroleptic complexes ...

Chemistry / Materials Science

created May 18, 2012 | popularity not rated yet | comments 0

NASA survey counts potentially hazardous asteroids

(Phys.org) -- Observations from NASA's Wide-field Infrared Survey Explorer (WISE) have led to the best assessment yet of our solar system's population of potentially hazardous asteroids. The results reveal ...

Space & Earth / Space Exploration

created May 17, 2012 | popularity 4.8 / 5 (4) | comments 0 | with audio podcast

Functional coatings from the plasma nozzle

These coatings offer protection against rust, scratches and moisture and improve adhesion: Surfaces with a nano coating. A new plasma process enables these coatings to be applied more easily and cost-efficiently ...

Technology / Engineering

created May 10, 2012 | popularity 5 / 5 (1) | comments 0

Colors burst into contemporary architecture

White stopped being the official colour of architecture a while ago. New buildings have now been transformed and fragmented and they display movement and innovation thanks to the versatility of colour. This ...

Biology / Plants & Animals

created May 04, 2012 | popularity not rated yet | comments 0

New study shows early North Americans lived with extinct giant beasts

(Phys.org) -- A new University of Florida study that determined the age of skeletal remains provides evidence humans reached the Western Hemisphere during the last ice age and lived alongside giant extinct mammals.

Other Sciences / Archaeology & Fossils

created May 03, 2012 | popularity 4 / 5 (6) | comments 21 | with audio podcast

Double chemical action yields double success

Molecules containing silicon double bonds, or disilenes, can be nearly twice as responsive to light as double-bonded hydrocarbons—a feature that makes them irresistible to researchers developing novel ...

Chemistry / Materials Science

created Mar 16, 2012 | popularity 5 / 5 (2) | comments 0

Ice giant planets have more water volume than believed

(PhysOrg.com) -- The idea of compressing water is foreign to our daily experience. Nevertheless, an accurate estimate of water’s shrinking volume under the huge gravitational pressures of  large planets is essential ...

Space & Earth / Astronomy

created Mar 15, 2012 | popularity 5 / 5 (7) | comments 7 | with audio podcast

Understanding bacterial sensors: Researchers piece together model of chemoreceptor arrays

(PhysOrg.com) -- Nearly all motile bacteria can sense and respond to their surroundings—finding food, avoiding poisons, and targeting cells to infect, for example—through a process called chemotaxis. ...

Biology / Cell & Microbiology

created Feb 29, 2012 | popularity not rated yet | comments 0 | with audio podcast

Breakthrough in designing cheaper, more efficient catalysts for fuel cells

University of California, Berkeley, chemists are reimagining catalysts in ways that could have a profound impact on the chemical industry as well as on the growing market for hydrogen fuel cell vehicles.

Chemistry / Materials Science

created Feb 23, 2012 | popularity 4.8 / 5 (13) | comments 5 | with audio podcast

DNA nanorobot triggers targeted therapeutic responses

Researchers at the Wyss Institute for Biologically Inspired Engineering at Harvard University have developed a robotic device made from DNA that could potentially seek out specific cell targets within a complex ...

Nanotechnology / Bio & Medicine

created Feb 16, 2012 | popularity 5 / 5 (9) | comments 8 | with audio podcast


List of search results for metal fragments