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Optics & Photonics Nov 11, 2024

Advanced terahertz neural network offers compact solution for AI challenges

An innovative planar spoof plasmonic neural network (SPNN) platform capable of directly detecting and processing terahertz (THz) electromagnetic signals has been unveiled by researchers at City University of Hong Kong (CityUHK) ...

Nanophysics Oct 18, 2024

Controlling sound waves with Klein tunneling improves acoustic signal filtration

In the context of sensory modalities, eyes work like tiny antennae, picking up light, electromagnetic waves traveling at blistering speeds. When humans look at the world, their eyes catch these waves and convert them into ...

Nanomaterials Oct 18, 2024

New fabrication strategy enhances graphene aerogel sensitivity and durability for human-machine interfaces

In recent years, researchers have synthesized various new materials that could be used to develop more advanced robotic systems, devices and human-machine interfaces. These materials include graphene aerogels, ultralight, ...

Condensed Matter Sep 12, 2024

Wave scattering simulation unlocks potential metamaterials

A new software package developed by researchers at Macquarie University can accurately model the way waves—sound, water or light—are scattered when they meet complex configurations of particles.

General Physics Sep 6, 2024

Researchers make sound waves travel in one direction only, with implications for electromagnetic wave technology

Researchers at ETH Zurich have managed to make sound waves travel only in one direction. In the future, this method could also be used in technical applications with electromagnetic waves.

Condensed Matter Aug 30, 2024

Non-Hermitian skin effect in all dimensions tied to point-gap topology

A study, published in the journal Science Bulletin and led by Dr. Haiping Hu from the Institute of Physics, Chinese Academy of Sciences (IOP, CAS), explores the non-Hermitian skin effect (NHSE) and non-Bloch bands.

Nanophysics Aug 22, 2024

Low-cost flexible metasurfaces to increase the efficiency of optoelectronic devices

Metasurfaces are two-dimensional counterparts of metamaterials, which are artificial materials that possess unusual characteristics. With a variety of fascinatingly innovative and diverse uses, these specially-prepared surfaces ...

Nanomaterials Aug 13, 2024

Advanced microscopy method reveals hidden world of nanoscale optical metamaterials

Scientists from the Department of Physical Chemistry at the Fritz Haber Institute of the Max Planck Society have made a significant discovery in the field of nanotechnology, as detailed in their latest publication in Advanced ...

Analytical Chemistry Aug 8, 2024

Versatile fluidic platform for programmable liquid processing

Society relies heavily on diverse fluidic technologies. The ability to precisely capture and release various chemical and biological fluids plays a fundamental role in many fields. A long-standing challenge is to design a ...

Biotechnology Jul 24, 2024

Novel biosensor could enable fast, precise disease diagnosis and prevention

A research team affiliated with UNIST has unveiled biosensor technology that uses light to quickly and accurately detect trace amounts of proteins. This breakthrough has significant implications for preventing the spread ...

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