The Visible Infrared Imaging Radiometer Suite sensor on the NOAA-NASA Suomi NPP satellite captured this image of the aurora borealis, or northern lights, over western Canada at 3:23 a.m. MST (5:23 a.m. EST) on November 5, ...
Planetary Sciences
Jan 18, 2024
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Researchers at the Georgia Institute of Technology have developed a light-based means of printing nano-sized metal structures that is significantly faster and cheaper than any technology currently available. It is a scalable ...
Nanophysics
Jan 18, 2024
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37
The powerful gravity fields of black holes can devour whole planets' worth of matter—often so violently that they expel streams of particles traveling near the speed of light in formations known as jets. Scientists understand ...
Astronomy
Jan 17, 2024
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34
On 15 December, the Large-Sized Telescope (LST) Collaboration announced through an Astronomer's Telegram (ATel) the detection of the source OP 313 at very high energies with the LST-1. Although OP 313 was known at lower energies, ...
Astronomy
Dec 27, 2023
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26
The search for and development of efficient terahertz (THz) sources is one of the major scientific goals of the 21st century. The THz region of the electromagnetic spectrum is composed of light frequencies in between the ...
Optics & Photonics
Dec 21, 2023
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20
Microscopic magnetic probes that change shape in response to their environment may greatly enhance magnetic resonance imaging (MRI). However, producing the probes, which are still experimental and have not yet been used in ...
Analytical Chemistry
Dec 20, 2023
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17
The shimmering green, red and purple curtains of the northern and southern lights—the auroras—may be the best-known phenomena lighting up the nighttime sky, but the most mysterious are the mauve and white streaks called ...
Earth Sciences
Dec 9, 2023
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Our sun actively produces solar flares that can impact Earth, with the strongest flares having the capacity to cause blackouts and disrupt communications—potentially on a global scale. While solar flares can be powerful, ...
Astronomy
Dec 6, 2023
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85
Chains of fused carbon-containing rings have unique optoelectronic properties that make them useful as semiconductors. These chains, known as acenes, can also be tuned to emit different colors of light, which makes them good ...
Biochemistry
Dec 5, 2023
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182
Phosphorus chemist Prof. Jan J. Weigand from the Dresden University of Technology, in collaboration with an interdisciplinary team, has developed a method to introduce phosphorus and nitrogen atoms into polycyclic molecules. ...
Analytical Chemistry
Nov 24, 2023
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