By analyzing the data from ESA's XMM-Newton satellite, astronomers from the Astronomical Observatory of the Jagiellonian University in Kraków, Poland, and elsewhere, have investigated X-ray intraday variability of a nearby ...
In the last few years, astronomers have achieved an incredible milestone: the detection of gravitational waves, vanishingly weak ripples in the fabric of space and time emanating from some of the most cataclysmic events in ...
Astronomy
Jun 7, 2022
0
271
X-rays make it possible to explore inside human bodies or peer inside objects. The technology used to illuminate the detail in microscopically small structures is the same as that used in familiar situations—such as medical ...
Optics & Photonics
Jun 6, 2022
0
67
Tetraphenylammonium, with all four hydrogens of ammonium (NH4+) replaced with benzene rings, has neither been discovered in nature nor chemically synthesized, calling into question whether it could exist. Here, we succeeded ...
Analytical Chemistry
Jun 3, 2022
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122
For tens of thousands of years, Aboriginal Australians have created some of the world's most striking artworks. Today their work continues long lines of ancestral traditions, stories of the past and connections to current ...
Archaeology
May 27, 2022
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49
An international team of astronomers used a database combining observations from the best telescopes in the world, including the Subaru Telescope, to detect the signal from the active supermassive black holes of dying galaxies ...
Astronomy
May 27, 2022
2
656
Scientists from the Tokyo Medical and Dental University (TMDU) used photoelectrochemical measurement and X-ray photoelectron spectroscopy to clarify the source of titanium's biocompatibility when implanted into the body, ...
Biochemistry
May 24, 2022
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44
Unlike fictional laser swords, real laser beams do not interact with each other when they cross—unless the beams meet within a suitable material allowing for nonlinear light-matter interaction. In such a case, wave mixing ...
Optics & Photonics
May 20, 2022
2
295
European astronomers have conducted a detailed, long-term X-ray monitoring campaign of a magnetar known as SGR J1935+2154, since it entered its active phase, experiencing numerous X-ray outbursts. Results of the study, published ...
X-ray detection is of great importance in diverse applications, such as radiation detection, medical diagnosis, and security inspection. A popular way to achieve X-ray detection is to integrate a photodetector with a luminescent ...
Polymers
May 17, 2022
0
39
