Search results for etching

Earth Sciences May 28, 2025

Underground water channels preserve ancient climate records in their shape

Water reshapes Earth through slow, powerful erosion, carving intricate landscapes like caves and pinnacles in soluble rocks such as limestone. An international team from the Faculty of Physics at the University of Warsaw, ...

Earth Sciences May 26, 2025

Florida bill would ban 'chemtrails' and 'geoengineering.' But what are they?

When Florida Gov. Ron DeSantis recently said he'd sign into law a ban on "weather modification activities"—such as spreading tiny particles into the air from aircraft to control sunlight—it raised long-standing controversies ...

Plasma Physics May 21, 2025

Faster, more stable plasma simulations help advance chip manufacturing

Plasma—the electrically charged fourth state of matter—is at the heart of many important industrial processes, including those used to make computer chips and coat materials.

Bio & Medicine May 20, 2025

Cool science: Researchers craft tiny biological tools using frozen ethanol

Imagine drawing on something as delicate as a living cell—without damaging it. Researchers at the University of Missouri have made this discovery using an unexpected combination of tools: frozen ethanol, electron beams and ...

Archaeology May 12, 2025

Name diversity sheds light on social patterns in ancient Hebrew kingdoms

A new study has uncovered hidden social patterns in ancient Hebrew kingdoms by analyzing personal names from archaeological findings. Applying diversity statistics typically used in ecological studies, the researchers found ...

Nanophysics May 6, 2025

Deep-trench 3D printing enables next-gen RF devices with unprecedented precision

For decades, traditional lithography techniques—such as electron beam lithography and nanoimprinting—have struggled to meet the demand for ultra-fine, high-aspect-ratio structures in general. Similar difficulty also applies ...

Plasma Physics May 2, 2025

In extreme conditions, heat does not flow between materials—it bounces off

A new study published in Nature Communications shows, for the first time, how heat moves—or rather, doesn't—between materials in a high-energy-density plasma state.

Optics & Photonics Apr 22, 2025

Light fields with extraordinary structure: Plasmonic skyrmion bags

A research group at the University of Stuttgart has manipulated light through its interaction with a metal surface so that it exhibits entirely new properties. The researchers have published their findings in Nature Physics.

Nanomaterials Apr 14, 2025

MXene production goes green: Electricity replaces toxic acid

The nanomaterial MXene is used for battery technology or as a high-performance lubricant. Until now, its production was difficult and toxic. New methods for its creation have been developed at TU Wien.

Paleontology & Fossils Apr 14, 2025

Tiny cut marks on animal bone fossils reveal that human ancestors were in Romania 1.95 million years ago

Looking again through the magnifying lens at the fossil's surface, one of us, Sabrina Curran, took a deep breath. Illuminated by a strong light positioned nearly parallel to the surface of the bone, the V-shaped lines were ...

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