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Search results for impedance matching

Condensed Matter Jul 14, 2025

A new mechanism to realize spin-selective transport in tungsten diselenide

Spintronics are promising devices that work utilizing not only the charge of electrons, like conventional electronics, but also their spin (i.e., their intrinsic angular momentum). The development of fast and energy-efficient ...

Plants & Animals Jul 2, 2025

Illegal shark product trade evident in Australia and New Zealand

Research from the University of Adelaide's School of Biological Sciences and Wildlife Crime Research Hub has highlighted evidence of shark products entering both Australia and Aotearoa/New Zealand, including clear patterns ...

Nanomaterials Apr 1, 2025

New flexible nanofiber material combines strong microwave absorption with exceptional thermal insulation

Recently, a research team led by Prof. Huang Zhulin from the Hefei Institutes of Âé¶¹ÒùÔºical Science of the Chinese Academy of Sciences successfully synthesized a flexible nanofiber felt with ultralow thermal conductivity and ...

Ecology Jan 22, 2025

'Buzz me in:' Bees wearing itty bitty QR codes reveal hive secrets

Several hundred bees in rural Pennsylvania and rural New York are sporting tiny QR codes on their backs. More than the latest in apiarian fashion, the little tags serve a scientific purpose: tracking when bees go in and out ...

Social Sciences Jan 5, 2025

Urban sprawl's hidden cost: How it affects economic mobility and inequality

Urban sprawl is not just unsightly. It could also be impeding intergenerational mobility for low-income residents and reinforcing racial inequality, according to a series of recent studies led by a University of Utah geographer.

Plants & Animals Oct 29, 2024

Commercial whaling and climate change are inhibiting evolutionary change in Arctic whales

Bowhead whales are the longest-lived mammals on Earth with some able to live hundreds of years. What's more, Inuit hunters have observed these whales breaking ice over half a meter thick—ice strong enough to support a fully-loaded ...

Plants & Animals Jul 10, 2024

Study shows leaf shape and size can't reliably distinguish wild coca plants from those grown to make cocaine

A new paper in Molecular Biology and Evolution indicates that while the United Nations Office on Drugs and Crime has collected annual data on areas of coca cultivation in South America for decades to monitor the establishment ...

Social Sciences Jun 7, 2024

Laws meant to keep different races apart still influence dating patterns, decades after being invalidated

If you are single and looking for a romantic partner, chances are that you have used a dating app. But the likelihood that others will like, or even see, your profile may depend on your race.

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 ...

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