Search results for etching

Nanomaterials May 20, 2024

This modified stainless steel could kill bacteria without antibiotics or chemicals

An electrochemical process developed at Georgia Tech could offer new protection against bacterial infections without contributing to growing antibiotic resistance.

Nanophysics May 15, 2024

A thousand times smaller than a grain of sand—glass sensors 3D-printed on optical fiber

In a first for communications, researchers in Sweden 3D printed silica glass micro-optics on the tips of optic fibers—surfaces as small as the cross section of a human hair. The advance could enable faster internet and improved ...

Plants & Animals May 14, 2024

Preventable loss: A billion birds die each year from window strikes

University of Cincinnati ornithologist Ron Canterbury displayed dozens of birds that died from striking glass windows in the city.

General Physics May 14, 2024

'Dancing' raisins: A simple kitchen experiment reveals how objects can extract energy from their environment

Scientific discovery doesn't always require a high-tech laboratory or a hefty budget. Many people have a first-rate lab right in their own homes—their kitchen.

Condensed Matter May 8, 2024

Fundamental and photodetector application of van der Waals Schottky junctions

The junction composed of traditional metals and 2D semiconductors is a key component of semiconductor devices.

Materials Science May 2, 2024

Chemists develop highly reflective black paint to make objects more visible to autonomous cars

Driving at night might be a scary challenge for a new driver, but with hours of practice it soon becomes second nature. For self-driving cars, however, practice may not be enough because the lidar sensors that often act as ...

Planetary Sciences Apr 24, 2024

Signs of 'spider' phenomenon on Mars

ESA's Mars Express has snapped the telltale traces of "spiders" scattered across the southern polar region of Mars.

General Physics Apr 16, 2024

Physicists explain, and eliminate, unknown force dragging against water droplets on superhydrophobic surfaces

Microscopic chasms forming a sea of conical jagged peaks stipple the surface of a material called black silicon. While it's commonly found in solar cell tech, black silicon also moonlights as a tool for studying the physics ...

Nanomaterials Apr 16, 2024

A single atom layer of gold—researchers create goldene

For the first time, scientists have managed to create sheets of gold only a single atom layer thick. The material has been termed goldene. According to researchers from Linköping University, Sweden, this has given the gold ...

Optics & Photonics Apr 3, 2024

Reimagining quantum dot single-photon sources: A breakthrough in monolithic Fabry-Perot microcavities

Self-assembled semiconductor quantum dots (QDs) represent a three-dimensional confined nanostructure with discrete energy levels, which are similar to atoms. They are capable of producing highly efficient and indistinguishable ...

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