On Oct. 5, 2020, the rapidly rotating corpse of a long-dead star about 30,000 light years from Earth changed speeds. In a cosmic instant, its spinning slowed. And a few days later, it abruptly started emitting radio waves.
Astronomy
Jan 27, 2023
27
496
A research team at the University of Göttingen has developed a new method to produce X-ray images in color. In the past, the only way to determine the chemical composition of a sample and the position of its components using ...
Optics & Photonics
Jan 24, 2023
0
165
For the first time since it was proposed more than 80 years ago, scientists from Nanyang Technological University, Singapore (NTU Singapore) have demonstrated the phenomenon of "quantum recoil," which describes how the particle ...
Optics & Photonics
Jan 19, 2023
1
644
The X-rays used to examine a broken leg in hospital are easy to produce. In industry, however, X-ray radiation of a completely different kind is needed—namely, X-ray laser pulses that are as short and high-energy as possible. ...
Optics & Photonics
Jan 18, 2023
0
36
In the eROSITA all-sky survey, scientists at the Max Planck Institute for Extraterrestrial Physics (MPE) have found an interesting repeating event. In an otherwise quiescent galaxy, an X-ray flare repeats every 220 days, ...
Astronomy
Jan 13, 2023
0
197
Hundreds of black holes previously hidden, or buried, have been found using NASA's Chandra X-ray Observatory. This result helps give astronomers a more accurate census of black holes in the universe.
Astronomy
Jan 12, 2023
0
123
The most well-known forms of carbon include graphite and diamond, but there are other more exotic nanoscale allotropes of carbon as well. These include graphene and fullerenes, which are sp2 hybridized carbon with zero (flat-shaped) ...
Analytical Chemistry
Jan 11, 2023
0
66
The COVID-19 pandemic, caused by the SARS CoV-2 virus, continues to threaten populations around the world, after killing over 1 million Americans. In recent weeks, XBB.1.5, the most transmissible variant to date, has started ...
Cell & Microbiology
Jan 10, 2023
0
128
Stable low-cost organic-based materials could transform X-ray imaging by improving fabrication methods and providing reliable high-resolution imaging results. Now, KAUST researchers have developed a novel approach for designing ...
Optics & Photonics
Jan 9, 2023
0
99
How can the component elements of an unknown material, such as a meteorite, be determined? X-ray fluorescence analysis can be used to identify an abundance of elements, by irradiating samples with X-rays and analyzing the ...
Analytical Chemistry
Jan 6, 2023
0
22
