Red supergiants are a class of star that end their lives in supernova explosions. Their lifecycles are not fully understood, partly due to difficulties in measuring their temperatures. For the first time, astronomers have ...
Astronomy
Mar 1, 2021
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253
YAN Dongdong, GUO Jianheng and Xing Lei from Yunnan Observatories of the Chinese Academy of Sciences, collaborating with Huang Chenliang from University of Arizona, deduced that there is an expanding and escaping thermal ...
Astronomy
Feb 18, 2021
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32
Current electronic components in computers, mobile phones and many other devices are based on microstructured silicon carriers. However, this technology has almost reached its physical limits and the smallest possible structure ...
Nanophysics
Feb 11, 2021
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65
Photoionization of water involves the migration and solvation of electrons, with many transient and highly active intermediates. The process results in a large blue shift in the absorption spectrum, from the THz or gigahertz ...
Optics & Photonics
Feb 9, 2021
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0
In hyperthermia treatments, the temperature is raised above physiological levels to induce the death of cancerous cells. The local application of hyperthermia is key for a successful treatment and to reduce damage to the ...
Bio & Medicine
Feb 9, 2021
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0
Optical sensors can quantitatively analyze chemical and biological samples by measuring and processing the optical signals produced by the samples. Optical sensors based on infrared absorption spectroscopy can achieve high ...
Analytical Chemistry
Jan 13, 2021
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7
Lawrence Livermore National Laboratory (LLNL) researchers have developed an X-ray source that can diagnose temperature in experiments that probe conditions like those at the very center of planets.
General Physics
Jan 7, 2021
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136
Recently, Prof. Gao Xiaoming's group from the Anhui Institute of Optics and Fine Mechanics (AIOFM) of the Hefei Institutes of Physical Science (HFIPS) designed and manufactured a photoacoustic spectroscopy-based sensor to ...
Analytical Chemistry
Jan 6, 2021
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6
Single-atom catalyst (SAC) is a conceptual bridge between homo- and heterogeneous catalysis. It offers new opportunities for capturing the reaction intermediates by identifying the active sites, and even monitoring the dynamic ...
Materials Science
Dec 29, 2020
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10
Melanin's high refractive index (RI) and broadband absorption capability contribute to the pigment's ability to protect against ultraviolet radiation (UV). These optical properties also contribute to the vibrant structural ...
Materials Science
Nov 26, 2020
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