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Search results for “Metals”

1,000+ results for "Metals"

Beyond sci-fi: manipulating liquid metals without contact

Scientists have successfully manipulated liquid metals in a non-contact manner by applying electromagnetic induction, allowing for the creation of unique shapes and structures. The discovery opens up new possibilities for advanced manufacturing and dynamic electronic structures.

SourceARC Centre of Excellence in Future Low-Energy Electronics Technologies·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateFeb 7, 2022

Precious metal commodities can enhance investment portfolio performance, say Pusan National University researchers

A study published in Applied Economics analyzed the relationship between precious metal commodities and equity markets, revealing that gold and aluminum are the most desirable metals for investment. The research also found that copper and zinc have the largest spillovers on global equity indices.

SourcePusan National University·JournalApplied Economics·TypeComputational simulation/modeling·DateFeb 3, 2022

Too much heavy metal stops stars producing

The ARC Centre of Excellence for All Sky Astrophysics in 3D has discovered that the youngest generation of stars will eventually stop contributing metals back to the universe. This change affects the composition of the galaxy over time, with around half of the carbon and all elements heavier than iron synthesized by stars like our Sun.

SourceARC Centre of Excellence for All Sky Astrophysics in 3D (ASTRO 3D)·JournalMonthly Notices of the Royal Astronomical Society·TypeComputational simulation/modeling·DateJan 11, 2022

Three-channel Kondo effect discovered in cubic holmium compound

Researchers have discovered a three-channel Kondo effect in a cubic holmium compound using numerical methods, predicting an exotic quantum ground state and potential applications. The study found a residual entropy value at ultra-low temperatures, matching the predicted value by the three-channel Kondo effect.

SourceTokyo Metropolitan University·JournalJournal of the Physical Society of Japan·TypeComputational simulation/modeling·DateOct 30, 2021

Urban mining for metals flashes forward

A new process recovers rhodium, palladium, gold and silver from electronic waste in seconds, producing a byproduct clean enough for agricultural land. The flash Joule heating method uses significantly less energy than traditional lab methods, making it an environmentally friendly alternative.

SourceRice University·JournalNature Communications·TypeExperimental study·DateOct 4, 2021

Non-toxic technology extracts more gold from ore

Researchers at Aalto University have developed a non-toxic alternative to traditional cyanide-based gold extraction processes. The new chloride-based method, called EDRR, achieves an impressive 84% gold recovery rate, surpassing the 64% recovered with traditional cyanide methods.

SourceAalto University·JournalChemical Engineering·DateOct 1, 2021

Mining waste could be used as an ingredient for cheaper hydrogen fuel production

Researchers have discovered a way to use mining waste as part of a potential cheaper catalyst for hydrogen fuel production. The new catalyst triggers water splitting reactions using aluminosilicate minerals found in mining waste, which could lead to lower production costs and increased efficiency.

SourceQueensland University of Technology·JournalAdvanced Energy and Sustainability Research·TypeExperimental study·DateSep 7, 2021

Lattice softness: Key to the identification of metals with high

Researchers have discovered that lattice softness is the dominant factor affecting a metal's ability to hydrogenate, enabling the expedited development of hydrogen storage materials. This parameter can also be used to evaluate the hydrogenation ability of intermetallic compounds.

SourceNational Institute for Materials Science, Japan·JournalJournal of the American Chemical Society·TypeComputational simulation/modeling·DateAug 30, 2021

New sensor detects valuable rare earth element terbium from non-traditional sources

Researchers at Penn State developed a luminescent sensor that can detect and quantify low concentrations of terbium in complex acidic samples. The sensor uses a protein called lanmodulin, which is selectively binding to rare earth elements, and has the potential to help develop a domestic supply of these metals.

SourcePenn State·JournalJournal of the American Chemical Society·TypeExperimental study·DateAug 25, 2021

Bringing order to chaotic bubbles can make mining more sustainable

Researchers at Columbia University School of Engineering and Applied Science have developed a new technique to structure chaotic bubbles, enabling more efficient separation of useful metals from useless particles. This method uses vibrations to control the motion of bubbles, leading to reduced energy and water usage in mining.

SourceColumbia University School of Engineering and Applied Science·JournalProceedings of the National Academy of Sciences·DateAug 23, 2021

Nanocluster discovery will protect precious metals

Researchers from the University of Nottingham have developed a novel catalyst that combines homogeneous and heterogeneous features, defying traditional categorization. The discovery holds promise for increasing the active surface area available for catalysis, leading to more efficient and sustainable production of molecules.

SourceUniversity of Nottingham·JournalNature Communications·TypeExperimental study·DateAug 17, 2021

Microplastics: A trojan horse for metals

Researchers have discovered that microplastics can serve as a transport vehicle for metals in the environment, accumulating and releasing these pollutants. The study found significant differences in metal accumulation between different types of plastics, with some metals attaching almost entirely to microplastics.

SourceHelmholtz-Zentrum Hereon·JournalJournal of Hazardous Materials·TypeExperimental study·DateAug 9, 2021

Researchers create switchable mirrors from liquid metal

Scientists developed a method to dynamically switch liquid metal surfaces between reflective and scattering states using electricity. This technology could be used to create electrically controllable mirrors or illumination devices, enabling new applications in art and advanced devices.

SourceOptica·JournalOptical Materials Express·DateJun 14, 2021

CO2 catalysis made more accessible

Researchers have discovered a new aerogel electrocatalyst formed from inexpensive metal alloys, enabling highly efficient electrochemical conversion of carbon dioxide. The process achieves an efficiency of 93% with minimal byproducts.

SourceWiley·JournalAngewandte Chemie International Edition·DateApr 30, 2021