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Search results for metamaterials

Ecology Jun 22, 2023

How moths create invisibility cloaks preventing detection by predators using biosonar

Researchers from University of Bristol and Diamond Light Source have uncovered how moths create a powerful stealth cloak preventing detection by biosonar. This work (Bio-Inspired Urban Adaptations: What Insects Can Teach ...

Condensed Matter Jun 19, 2023

New research on self-locking light sources presents opportunities for quantum technologies

In a paper published today in Nature Communications, researchers from the Paul Drude Institute in Berlin, Germany, and the Instituto Balseiro, Bariloche, Argentina, demonstrated that light emitters with different resonance ...

Nanophysics Jun 15, 2023

Ultrafast and tunable conversion of high-frequency signals into visible light

A study carried out by a research team from the Helmholtz-Zentrum Dresden-Rossendorf (HZDR), the Catalan Institute of Nanoscience and Nanotechnology (ICN2), University of Exeter Centre for Graphene Science, and TU Eindhoven ...

Condensed Matter Jun 14, 2023

Physicists design metamaterials with built-in frustration for mechanical memory

Researchers from the UvA Institute of Physics and ENS de Lyon have discovered how to design materials that necessarily have a point or line where the material doesn't deform under stress, and that even remember how they have ...

Nanophysics Jun 14, 2023

Breaking barriers: Advancements in meta-holographic display enable ultraviolet domain holograms

The term meta means a concept of transcendence or surpassing, and when applied to materials, metamaterials encompass artificially engineered substances that exhibit properties not naturally found in the environment. Metasurfaces, ...

Optics & Photonics Jun 13, 2023

A new technique to detect invisibility cloaks

A study developed by researchers from the Universitat Politècnica de València (UPV), associated with the Nanophotonics Technology Center (NTC) and the company DAS Photonics, promises to revolutionize the design of so-called ...

Materials Science Jun 2, 2023

Buckle up: A new class of materials is here

Usually, the two characterizations of a material are mutually exclusive: something is either stiff, or it can absorb vibrations well—but rarely both. However, if we could make materials that are both stiff and good at absorbing ...

Optics & Photonics May 31, 2023

Study demonstrates one of the world's fastest electron microscopes in action

Electron microscopes give us insight into the tiniest details of materials and can visualize, for example, the structure of solids, molecules or nanoparticles with atomic resolution. However, most materials in nature are ...

Optics & Photonics May 26, 2023

Hybrid bound states in the continuum in terahertz metasurfaces

The quality factor (Q) is a critical parameter that characterizes the strength of light-matter interactions. Cavities with higher quality factors have the ability to efficiently confine light and thus enhance light-matter ...

General Physics May 18, 2023

Smart material prototype challenges Newton's laws of motion

For more than 10 years, Guoliang Huang, the Huber and Helen Croft Chair in Engineering at the University of Missouri, has been investigating the unconventional properties of "metamaterials"—an artificial material that exhibits ...

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