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News articles about "Metals"

Good vibrations give electrons excitations that rock an insulator to go metallic

For more than 50 years scientists have debated what turns particular oxide insulators in which electrons barely move into metals in which electrons flow freely Some scientists sided with Nobel Prize winning physicist Nevill Mott ... - Read More

Researchers develop efficient method to produce nanoporous metals

Nanoporous metals foam like materials that have some degree of air vacuum in their structure have a wide range of applications because of their superior qualities They posses a high surface area for better electron ... - Read More

Scientists do glass a solid, with new theory on how it transitions from a liquid

How does glass transition from a liquid to its familiar solid state How does this common material transport heat and sound And what microscopic changes occur when a glass gains rigidity as it cools A ... - Read More

Chemists gain edge in next-gen energy: Flexible film can catalyze production of hydrogen

Rice University scientists who want to gain an edge in energy production and storage report they have found it in molybdenum disulfide The Rice lab of chemist James Tour has turned molybdenum disulfide's two dimensional ... - Read More

Scientists replicate the tide with two buckets, aquarium tubing, and a pump

Rachel MacTavish is growing salt marsh plants in microcosms that replicate the tide She assembled them in an outdoor greenhouse at the Sapelo Island National Estuarine Research Reserve in Georgia USA with buckets from a ... - Read More

New process transforms wood, crop waste into valuable chemicals

Scientists have disclosed a new method to convert lignin a biomass waste product into simple chemicals The innovation is an important step toward replacing petroleum based fuels and chemicals with biorenewable materials says Shannon Stahl ... - Read More

3-D printing incorporates quasicrystals for stronger manufacturing products

Researchers at the University of Lorraine in France say that quasicrystals a type of complex metal alloy with crystal like properties can be useful in the design of new composite materials Automotive aerospace and machinery ... - Read More

More energy efficient propellors for large ships

A Norwegian invention is reducing by a third the energy that foundries need to manufacture ship propeller blades Some of the propeller blades manufactured by Oshaug Metall AS in Molde are so big that if ... - Read More

Detecting cancer earlier is goal of new medical imaging technology

A new medical imaging method being developed at Rutgers University could help physicians detect cancer and other diseases earlier than before speeding treatment and reducing the need for invasive time consuming biopsies The potentially lifesaving ... - Read More

Imaging electric charge propagating along microbial nanowires

The claim by microbiologist Derek Lovley and colleagues at the University of Massachusetts Amherst that the microbe Geobacter produces tiny electrical wires called microbial nanowires has been mired in controversy for a decade but the ... - Read More

Wild molecular interactions in a new hydrogen mixture

Hydrogen the most abundant element in the cosmos responds to extremes of pressure and temperature differently Under ambient conditions hydrogen is a gaseous two atom molecule As confinement pressure increases the molecules adopt different states ... - Read More

Atomic trigger shatters mystery of how glass deforms

Throw a rock through a window made of silica glass and the brittle insulating oxide pane shatters But whack a golf ball with a club made of metallic glass a resilient conductor that looks like ... - Read More

Brain surgery, by robot, through the cheek

For those most severely affected treating epilepsy means drilling through the skull deep into the brain to destroy the small area where the seizures originate invasive dangerous and with a long recovery period Five years ... - Read More

Magnetic mirrors enable new technologies by reflecting light in uncanny ways

As in Alice's journey through the looking glass to Wonderland mirrors in the real world can sometimes behave in surprising and unexpected ways including a new class of mirror that works like no other As ... - Read More

Plasmonic paper for detecting trace amounts of chemicals, pollutants and more

Using a common laboratory filter paper decorated with gold nanoparticles researchers at Washington University in St Louis have created a unique platform known as plasmonic paper for detecting and characterizing even trace amounts of chemicals ... - Read More

Plasmonic Paper

at a level that the current incarnation of plasmonic paper can’t yet achieve “We expect this can be overcome by integrating biomimetic target recognition elements with plasmonic paper in the near future ” Tian said ... - Read More

Very low concentrations of heavy metals, antibiotics contribute to resistance

New Swedish research shows that plasmids containing genes that confer resistance to antibiotics can be enriched by very low concentrations of antibiotics and heavy metals These results strengthen the suspicion that the antibiotic residues and ... - Read More

Low-carbon energy future is clean, feasible

A future where electricity comes mostly from low carbon sources is not only feasible in terms of material demand but will significantly reduce air pollution a study published in the 6 October Proceedings of the ... - Read More

New material steals oxygen from air

Researchers from the University of Southern Denmark have synthesized crystalline materials that can bind and store oxygen in high concentrations The stored oxygen can be released again when and where it is needed We do ... - Read More

New material steals oxygen from the air: One spoonful absorbs all the oxygen in a room

Researchers from the University of Southern Denmark have synthesized crystalline materials that can bind and store oxygen in high concentrations Just one spoon of the substance is enough to absorb all the oxygen in a ... - Read More
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