The tropics hold most of the planet's biodiversity. In order to preserve this fragile and valuable asset, many individuals and communities need to get involved and be well informed. However, tropical ecology and conservation ...
Ecology
Feb 15, 2023
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4
The teeming life in the Southern Ocean, which encircles Antarctica, contributes to brightening the clouds that form there, according to a study published today in Atmospheric Chemistry and Physics. The clouds are bright because ...
Earth Sciences
Feb 7, 2023
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8
In 2013, Felipe Braga-Ribas and collaborators, using ground-based telescopes, discovered that Chariklo hosts a system of two thin rings. Such rings had been expected only around large planets such as Jupiter and Neptune.
Astronomy
Jan 25, 2023
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167
Lasers are transformational devices, but one technical challenge prevents them from being even more so. The light they emit can reflect back into the laser itself and destabilize or even disable it. At real-world scales, ...
Optics & Photonics
Dec 2, 2022
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68
Satellite ocean color instruments are used to characterize physical, chemical, and biological variabilities in oceanic, coastal, and inland waters. However, the massive loss and large uncertainty of remote sensing reflectance ...
Planetary Sciences
Nov 22, 2022
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19
In work published in npj Quantum Materials, a team led by Prof. Leonardo Degiorgi in the Department of Physics at ETH Zurich has studied the broadband charge dynamics (i.e., longitudinal optical conductivity) of the ferromagnetic ...
Quantum Physics
Nov 7, 2022
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29
Researchers have demonstrated a new visible light communication system that uses a single optical path to create a multi-channel communication link over the air. This approach could be used as a backup communication link ...
Optics & Photonics
Sep 14, 2022
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203
Controlling thermal radiation is crucial in various industries and applications. In particular, infrared emissions from the body are important since body temperature can be regulated without the use of external energy sources ...
Materials Science
Aug 25, 2022
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36
Researchers from Tokyo Metropolitan University have successfully enhanced technology to lift small particles using sound waves. Their "acoustic tweezers" could lift things from reflective surfaces without physical contact, ...
General Physics
Aug 22, 2022
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51
The past two election cycles have seen an explosion of attention given to "echo chambers," or communities where a narrow set of views makes people less likely to challenge their own opinions. Much of this concern has focused ...
Social Sciences
Aug 11, 2022
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