Search results for impedance matching

Optics & Photonics Apr 22, 2024

Realization of an ideal omnidirectional invisibility cloak in free space

A team led by Prof. Dexin Ye and Prof. Hongsheng Chen from Zhejiang University, and Prof. Yu Luo from Nanyang Technological University conducted research on the practical implementation of full-parameter transformation optical ...

Ecology Apr 1, 2024

Can savanna emerge in the cold high latitudes and altitudes due to ongoing rapid warming?

Recent studies have shown that rising atmospheric CO2 concentrations and consequential warming may compromise the community structure and functioning of the cold tundra ecosystems. However, in addition to carbon uptake, natural ...

Nanomaterials Mar 26, 2024

Construction of dual heterogeneous interface between zigzag-like Mo-MXene nanofibers and small CoNi@NC nanoparticles

Two-dimensional transition metal carbides (MXene) possess attractive conductivity and abundant surface functional groups, providing immense potential in the field of electromagnetic wave (EMW) absorption. However, high conductivity ...

General Physics Nov 8, 2023

Researchers realize water-air acoustic communication based on broadband impedance matching

With increasing demand for exploration and utilization of marine resources, achieving direct and efficient communication between water and air has been an urgent need. Sound waves, as the only propagation way with low attenuation ...

Archaeology Jul 8, 2015

Neutron tomography shows that the Pristerodon adapted to hear airborne sound 260 million years ago

A recent study by means of neutron tomography revealed that some forerunners of mammals were already able to hear airborne sound, because these animals already possessed an eardrum at the lower jaw, an impedance-matching ...

Plants & Animals Sep 9, 2011

New study finds dolphins produce sounds in a similar way to humans

It has long been thought that dolphins produce sounds by means of "whistles," but a new analysis of a data gathered in the late 1970s has revealed that instead, dolphins make sounds by means of tissue vibrations, in a similar ...

Nanophysics May 22, 2015

Physicists develop efficient method of signal transmission from nanocomponents

Physicists have developed an innovative method that could enable the efficient use of nanocomponents in electronic circuits. To achieve this, they have developed a layout in which a nanocomponent is connected to two electrical ...

Condensed Matter Nov 10, 2020

Bioinspired metagel with broadband tunable impedance matching

Impedance matching is a concept that can maximize energy transmission from a source through a media, and is established across electrical, acoustic and optical engineering. It is frequently necessary to match a load impedance ...

Materials Science Jan 8, 2018

New model measures characteristics of carbon nanotube structures for energy storage and water desalination applications

Using electrodes made of carbon nanotubes (CNTs) can significantly improve the performance of devices ranging from capacitors and batteries to water desalination systems. But figuring out the physical characteristics of vertically ...

General Physics Feb 13, 2008

Desert Snake Hears Mouse Footsteps with its Jaw

Just a few decades ago, some scientists doubted that snakes could hear at all. Snakes lack an outer ear and external ear openings, making it difficult to understand how the reptiles receive acoustic vibrations.

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