Search results for crystal

Nanomaterials Jun 27, 2024

First comprehensive characterization of the extraordinary thermoelectric properties of cadmium arsenide thin films

If there's one thing we humans are good at, it's producing heat: significant amounts, and in many cases most of the energy we generate and put into our systems we lose as heat, whether it be our appliances, our transportation, ...

Environment Jun 27, 2024

Hail the size of golf balls and even grapefruit? The science of how tiny ice crystals grow dangerously large

Hail the size of grapefruit shattered car windows in Johnson City, Texas. In June, 2024, a storm chaser found a hailstone almost as big as a pineapple. Even larger hailstones have been documented in South Dakota, Kansas and ...

Environment Jun 27, 2024

Deep sea mining threatens sea life, environmentalists say: California law has a solution

As diplomats from around the world convene in Jamaica next month to discuss international guidelines on deep sea mining, environmental activists are urging nations to consider a California law they say could mitigate the ...

Quantum Physics Jun 27, 2024

Researchers find magnetic excitations can be held together by repulsive interactions

A group of physicists specialized in solid-state physics from the University of Cologne and international collaborators have examined crystals made from the material BaCO2V2O8 in the Cologne laboratory.

Materials Science Jun 27, 2024

Synthetic pathway for promising nitride compounds discovered

Ruddlesden-Popper compounds are a class of materials with a special layered structure that makes them interesting for numerous applications—as superconductors or catalysts, for example, or for use in photovoltaics. There ...

Cell & Microbiology Jun 27, 2024

Researchers determine that crystal cells in fruit flies help transport oxygen throughout the body

A team of life scientists at Hanyang University, in Korea, working with a pair of colleagues from the Korea Advanced Institute of Science and Technology, has found that fruit flies use crystal cells to transport oxygen throughout ...

Materials Science Jun 27, 2024

How scientists build rotatory machines with molecules

Machines have evolved to meet the demands of daily life and industrial use, with molecular-scale devices often exhibiting improved functionalities and mechanical movements. However, mastering the control of mechanics within ...

Materials Science Jun 27, 2024

Scientists uncover previously unknown properties of gallium

Nearly 150 years after gallium was discovered and added to the periodic table, University of Auckland scientists have uncovered previously-unknown aspects of the metal's structure and behavior.

Ecology Jun 27, 2024

How restoration can help coral reefs

Record-high sea temperatures are bleaching coral reefs worldwide and putting a new focus on attempts to restore these key marine ecosystems.

Materials Science Jun 26, 2024

Simple new process stores carbon dioxide in concrete without compromising strength

By using a carbonated—rather than a still—water-based solution during the concrete manufacturing process, a Northwestern University-led team of engineers has discovered a new way to store carbon dioxide (CO2) in the ubiquitous ...

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