Have you ever worn a dark T-shirt on a sunny day and felt the fabric warm in the sun's rays? Most of us know dark colors absorb sunlight and light colors reflect it—but did you know this doesn't work the same way in the ...
Earth Sciences
May 17, 2021
0
10
A team of researchers at Shanghai Jiao Tong University, has found that the human hand can be used as a powerless infrared radiation (IR) source in multiple kinds of applications. In their paper published in Proceedings of ...
NIMS and the Tokyo Institute of Technology have jointly discovered that the chemical compound Ca3SiO is a direct transition semiconductor, making it a potentially promising infrared LED and infrared detector component. This ...
Materials Science
Mar 23, 2021
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6
Humans continuously observe and evaluate interactions between third parties to decide with whom to interact in the future. But it is difficult to measure what information animals gain when they eavesdrop on vocal interactions ...
Plants & Animals
Feb 3, 2021
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213
An international team of astronomers led by researchers from the Netherlands has discovered a whirlwind of dust and debris in orbit around a young star. It is possible that a planet is forming within the debris. The scientists ...
Astronomy
Jan 21, 2021
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2903
The use of face masks to help slow the spread of COVID-19 has been widely recommended by health professionals. This has triggered studies exploring the physics of face mask use and disease transmission, as well as investigations ...
Soft Matter
Nov 24, 2020
2
1188
Ordinary solid-state lasers, as used in laser pointers, generate light in the visible range. For many applications, however, such as the detection of molecules, radiation in the mid-infrared range is needed. Such infrared ...
Optics & Photonics
Nov 23, 2020
0
942
New research from Tel Aviv University will allow cameras to recognize colors that the human eye and even ordinary cameras are unable to perceive.
Optics & Photonics
Nov 5, 2020
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1862
A semiconductor device that is promising for both generating and detecting terahertz radiation has been demonstrated by physicists at RIKEN. This may aid the development of high-performance integrated solutions for terahertz ...
General Physics
Sep 18, 2020
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143
EPFL physicists propose a new path to detect infrared radiation with outstanding sensitivity, allowing detection of signals as low as that of a single quantum of light.
General Physics
Sep 18, 2020
0
274
