Search results for materials science

Quantum Physics 17 hours ago

A new dissipation-based method to probe quantum correlations

Quantum systems are known to be prone to dissipation, a process that entails the irreversible loss of energy and that is typically linked to decoherence. Decoherence, or the loss of coherence, occurs when interactions between ...

Analytical Chemistry Apr 7, 2025

Nacre-like ceramic-metal composite achieves superior strength and mass-production potential

Mollusks possess sturdy protective shells, thanks to their internal nacre structure. Nacre, the natural nanocomposite, demonstrates outstanding mechanical properties through both high strength and high toughness. Nacre, therefore, ...

Polymers Apr 7, 2025

Q&A: Scientists uncover process behind plastic's dangerous fragment shedding

The world is littered with trillions of micro- and nanoscopic pieces of plastic. These can be smaller than a virus—just the right size to disrupt cells and even alter DNA. Researchers find them almost everywhere they've ...

Astrobiology Apr 7, 2025

Want to know how to survive in space? Ask a tardigrade

The 2025 Lunar and Planetary Science Conference, which took place from March 10–14 in The Woodlands, Texas, witnessed some very interesting proposals for space exploration and science. In addition to bold mission concepts, ...

Earth Sciences Apr 7, 2025

Dust in the wind: How cities alter natural airborne particles

Airborne dust pollution is a growing problem for residents of Utah and other Western states, especially with the exposed lakebed of Great Salt Lake potentially becoming more hazardous as the lake dries. Natural dust blows ...

Economics & Business Apr 7, 2025

A football field of shelving: Recordkeeping and standardization at the Royal Observatory, Greenwich

In the Royal Greenwich Observatory Archives at Cambridge University Library, one man's papers take up a staggering 110 meters of shelving. In a new article from Isis: the Journal of the History of Science Society, "George ...

Soft Matter Apr 7, 2025

From ketchup to concrete, rolling particles make suspensions more fluid

Lacquers, paint, concrete—and even ketchup or orange juice: Suspensions are widespread in industry and everyday life. By a suspension, materials scientists mean a liquid in which tiny, insoluble solid particles are evenly ...

Archaeology Apr 7, 2025

A large, sustainable and egalitarian community at the height of the Copper Age

The Chalcolithic site of Valencina de la Concepción in Seville was permanently occupied for a thousand years, between 3300 and 2150 BCE, by a community of several thousand inhabitants who organized themselves in an egalitarian ...

Cell & Microbiology Apr 7, 2025

How cells repair their mitochondria: Research uncovers a specialized recycling system

Damage to the genetic material of mitochondria—the mitochondrial DNA or mtDNA for short—can lead to diseases such as Parkinson's, Alzheimer's, amyotrophic lateral sclerosis (ALS), cardiovascular diseases and type 2 diabetes. ...

Condensed Matter Apr 7, 2025

Physicists uncover a metallic altermagnet with d-wave spin splitting at room temperature

For many years, physics studies focused on two main types of magnetism, namely ferromagnetism and antiferromagnetism. The first type entails the alignment of electron spins in the same direction, while the latter entails ...

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