Search results for thermal diffusivity

General Physics May 23, 2024

From burns to the wave nature of heat—via the telegraph equation

When a train approaches or an ambulance with its siren blaring nears us, we hear the sound with an increased frequency, gradually decreasing slightly. As it passes, the frequency changes abruptly to a lower one, then decreases ...

Analytical Chemistry May 14, 2024

Exploring interface phenomena for more durable and effective nickel–tungsten alloys

Alloying is a key process in creating new materials. By combining metals with desirable traits, scientists can produce alloys with suitable properties. For example, stainless steel, formed by combining iron with chromium, ...

Astronomy May 13, 2024

Raspberry in the sky: Astronomers discover a new supernova remnant candidate

Astronomers from the Western Sydney University in Australia and elsewhere report the detection of a new supernova remnant (SNR) candidate. The newfound SNR candidate, dubbed "Raspberry" due to its morphology, was identified ...

Analytical Chemistry May 8, 2024

Solid-state reaction among multiphase multicomponent ceramic enhances ablation performance, study finds

Multicomponent ultra-high temperature ceramic (UHTC) has attracted much attention in research due to its superior high-temperature mechanical properties, lower thermal conductivity and enhanced oxidation resistance.

Astronomy Apr 15, 2024

Astronomers detect radio halo in a massive galaxy cluster

An international team of astronomers has performed radio observations of a massive galaxy cluster known as ACT-CL J0329.2-2330, which resulted in the detection of a new radio halo in this cluster. The finding was reported ...

Condensed Matter Apr 4, 2024

Team presents new path to long-term data storage based on atomic-scale defects

With the development of the internet, social media and cloud computing, the amount of data created worldwide on a daily basis is sky-rocketing. This calls for new technologies that could provide higher storage densities combined ...

Nanophysics Mar 15, 2024

New electron microscopy technique for thermal diffusion measurements

A NIMS research team has developed a technique that enables the nanoscale observation of heat propagation paths and behavior within material specimens. This was achieved using a scanning transmission electron microscope (STEM) ...

Condensed Matter Mar 13, 2024

New research on tungsten unlocks potential for improving fusion materials

In the pursuit of clean and endless energy, nuclear fusion is a promising frontier. But in fusion reactors, where scientists attempt to make energy by fusing atoms together, mimicking the sun's power generation process, things ...

Optics & Photonics Mar 1, 2024

Mass-produced, commercially-promising multicolored photochromic fiber

Fiber, as the wearable material with the longest application in the history of humankind, is currently an ideal substrate for wearable devices due to its excellent breathability, flexibility, and ability to adapt perfectly ...

Astronomy Feb 29, 2024

Diffuse hot gas detected around a potential super-star cluster

Using NASA's Chandra X-ray spacecraft, astronomers have inspected a potential super-star cluster, designated HSO BMHERICC J72.971176-69.391112, or H72.97−69.39 for short. The new observations resulted in the detection of ...

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